GOVERNMENT OF INDIA North Eastern Railway ... - Tenders India

Dy.CSTE/Con/ IZN/02 of 2011 North Eastern Railway 

Serial No. _____________ 

GOVERNMENT OF INDIA 

North Eastern Railway 

TENDER DOCUMENT 

FOR 

OPEN TENDER 

Name of work : Shifting of existing working Telecom Equipment to new 

locations (Remote Hut) at Izzatnagar , Dohna , Bhojipura , Deorania , Baheri, 

Kichha,Pantnagar station in Bareilly – Lalkuan section of Izzatnagar division of 

N.E.Railway due to shifting of alignment as a result of Gauge conversion, 

Dismantling of overhead alingment between Bareilly city –BPR ( 20 Km ) of 

IZN Divn. and installation of ELD in BE-LKU section. 

TENDER No.DY.C S.T./CON/IZN / 02 of 2011 

(Not Transferable) 

PRICE RS. 3000/- per set 

POSTAGE EXTRA 

( Rs.500.00 for Registered Post) 

M/s…………………………………….. 

………………………………………… 

………………………………………… 

………………………………………… 

Dy.C. S.T. E. (Con), 

N. E. RLY, Izzatnagar 

Signature of Tenderer(s) 

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IMPORTANT INFORMATIONS 

TENDER No.DY.C .S.T.E./CON/IZN/02 of 2011 

NAME OF THE WORK : As mentioned on first page. 

APPROXIMATE COST OF THE WORK : Rs. 39,35,674.50 

EARNEST MONEY: Rs. 78800.00 

PLACE, DATE & TIME OF GETTING,SUBMITTING & OPENING OF THE TENDER DOCUMENT: 

Place : Office of the Date Time 

Getting Dy.C.S.T.E./CON/N.E.RAILWAY/Lucknow 15.12.11 Up to 13.00 Hrs. 

Submission As per para 1.4 of page No. 3 or 1.2.1 of 16.12.11 Up to 14.30 Hrs. 

Opening page No. 6 16.12.11 At 15.00 Hrs. 

CONSIGNEE: - SSE / CON / TELE / BADSHAH NAGAR/N.E.Rly. at BAREILLY CITY. 

FIELD OFFICER (Engineer In Charge) : Dy.CSTE / Con / NERly. / Izzatnagar or his nominee. 

COMPLETION PERIOD: 03 MONTHS 

ADDRESS OF CORRESPONDENCE: 

Prior to award of the contract: The DY.Chief Sig. & Telecom. Engineer/Con/ N.E.Railway 

/Izzatnagar -273012 or his successors / nominee (whose address will be indicated in due course). 

After the award of the contract: The Dy. Chief Sig. & Telecom. Engineer / Con / N.E.Railway / 

Izzatnagar or his successors/nominee (whose address will be intimated in due course). 


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INSTRUCTIONS TO TENDERER(S) FOR SUBMITTING TENDER DOCUMENTS AFTER 

DOWNLOADING FROM WEBSITE GIVEN BELOW. 

1.0 INSTRUCTIONS : 

1.1 Tenderer(s) who are submitting downloaded (from website) tender documents 

must enclose with the tender form a non-refundable prescribed tender fee of in form of 

Bank Draft issued by any Nationalized Bank in favour of FA&CAO/Construction, North 

Eastern Railway, Gorakhpur. Tender offers not accompanying with the requisite tender fee 

shall be summarily rejected. 

1.2 A certified copy of original tender document is available in the tender section of 

Dy.CSTE/Con, N. E. Railway, Lucknow, which may be seen on any working day during 

prescribed period for sale of tender form. Tenderer(s) on award of contract will have to enter 

into agreement with Railway in format of above mentioned original tender documents. 

Tenderer(s) shall not have any right/claim to insist on signing of contract agreements in 

format on which tender document were submitted by him after downloading from website. 

1.3 If during process of tender finalization, it is detected that tenderer has submitted 

tender documents after making any changes / additions / deletions in the tender documents 

downloaded from website, then, the earnest money deposited by the tenderer shall be 

forfeited by the Railway. Further, if after award of contract, it is detected that tenderer has 

submitted tender documents after making any changes/additions/deletions in the tender 

documents downloaded from website then Railway will take action to remove the contract 

from the work in terms of clause 62 of GCC 1999 and initiate such further legal action against 

contractor as it considered necessary. 

1.4 Tender must be submitted in the tender document (non- transferable) supplied by 

the Railway, along with other relevant enclosure in a sealed cover super-scribed “Tender No 

as mentioned in page no. 2” and must be deposited in the special Box allotted for this purpose 

in the Dy. Chief Signal & Telecommunication Engineer/Construction/ N.E.Railway / 

Lucknow-226001 or sent by Registered Post / Speed Post to the Dy.Chief Signal & 

Telecommunication Engineer/Construction / N. E. Railway/ Lucknow-226001 so as to reach 

the office not later than 14:30Hrs of prescribed date. The Tender box will be sealed at 14-30 

hrs of prescribed date. The tender will be opened on prescribed date at 15-00 hrs. If the date 

of opening happens to be holiday/bandh, the tender will be opened at 15-00 Hrs on the next 

working day. 


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1. NAME OF WORK : AS CAPTIONED 

2. SCOPE OF WORK : 

SECTION – I 

PREAMBLE 

The work covered in this tender is for Shifting of existing working Telecom Equipment to 

new locations (Remote Hut) at Izzatnagar , Dohna , Bhojipura , Deorania , Baheri, 

Kichha,Pantnagar station in Bareilly – Lalkuan section of Izzatnagar division on N.E.Railway 

due to shifting of alignment as a result of Gauge conversion, Dismantling of overhead alingment 

between Bareilly city –BPR ( 20 Km ) of IZN Divn. and installation of ELD in BE-LKU section. 

2.1 The Railway shall supply HDPE pipe 

2.2 The contractor shall be required to carry out all the remaining works . 

2.3 All the work shall be executed as per details given in technical supplement/specification. 

3. TENDER BID: 

Tender bid shall be submitted in sealed cover. The details are given in Para 1.2 of “instructions to 

tenders & conditions of tendering ” (section II chapter I ). 

4. ELIGIBILITY CRITERIA: Already specified at page No. 2 . 

5. LAST DATE OF SUBMISSION: Already specified at page No. 2 

6. DATE OF OPENING OF TENDER: Already specified at page No. 2 

7. COMPLETION PERIOD OF THE WORK: Already specified at page No. 2 

8. THE LIST OF ADDRESS TO WHICH CORRESPONDENCE AND DOCUMENTS RELATING 

TO THE CONTRACT SHOULD BE SENT: Already specified at page No. 2 

9. SUPPLY OF MATERIALS: 

All materials shall be supplied by the contractor at consignee’s store. Consignee has already been 

specified at Page N0.2. These stores will be issued to the contractor from consignee’s store. The 

contractor will transport the materials by their own means free of charge from consignee’s store to 

the site . 

10 SPECIFICATION/DRAWINGS: 

Reference of specifications / drawings of the important equipment, components and other materials 

required for the execution of the contract are given in technical supplement. The work shall be 

executed in compliance with the entire technical requirement given there. 

11. SCHEDULE OF QUANTITIES: 

The schedule of quantities for supplies and various works are indicated in schedule of work and given 

as enclosure to the preamble. The tenderer is advised to quote for all items. 

12. STORE To BE SUPPLIED BY RAILWAYS: (1) Quad Cable, (2) HDPE duct. 

13. INSPECTION OF MATERIALS: 

Materials to RDSO & TEC Specification will be inspected by RDSO as per their latest inspection 

Policy. 

The Firm should have valid type approval test for the items on the date of opening of tender. 


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Name of the work :- AS CAPTIONED 

Approximate cost of the work ;- As per page No.2 

To 

The President of India 

Acting through the DY.Chief Signal & Telecommunication Engineer (Construction) 

N. E. Railway, Izzatnagar – . 

1.0 I/We ___________________________________ have read the various conditions to the 

tender attached hereto and hereby agree to abide by all the said conditions. I/We also here 

by agree to keep this tender open for acceptance for a period of at least 120 (One hundred and 

twenty) days from the date fixed for opening of the same and in default thereof I/We will be 

liable for forfeiture of my/our earnest money . I/We offer to do the work for Dy.Chief Signal 

& Telecom. Engineer (Construction) / N. E. Railway at the rate quoted in the attached 

schedule and hereby bind myself/ ourselves to complete the work in all respect within four 

months from the date of issue of letter of acceptance of the tender. 

2.0 I/We _______________________________ also hereby agree to abide by the General Conditions 

of Contract of N.E.Railway edition 1999 with latest amendment. (although meant for use in 

connection with Civil Engineering Work but shall also be applicable in this 

contract),Instructions to tenderers and conditions of tender & Contract, Special conditions of 

tender & contract and to carryout the work according to the specification for materials and 

works laid down by railway for the present contract. 

3.0 I/We have been enclosed the requisite Earnest money in form of ______________in original 

issued from __________________ in favour of FA&CAO / Con / N. E. Railway, Gorakhpur 

and is valid up to ___________________________ 

4.0 I/We enclosed herewith receipt in original from the Divisional Cashier /con / N. E. Railway, 

Gorakhpur. It’s particular are :- 

Receipt No. & Date of deposit. 

Amount 

Once the acceptance of the tender is communicated to me/us, a legal and enforceable 

contract comes into being. If in accordance with the letter of acceptance, I/We fail to 

commence work within the period stipulated in the acceptance letter and fail to execute the 

formal agreement, I/We shall be liable for breach of the contract and the consequences of the 

breach of any of the conditions of the contract entitling the Railway Administration to 

have work/job executed at the risk and cost of mine /ours and to claim the extra cost / 

expenditure sustained by the Railway Administration. 

Tenderer(s) full Address: 

Signature of Witnesses 

1. _________________ 

Signature of the tenderer(s) 

Date___________________ 

Stamp:……………………… 

2.__________________ 


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(TENDER FORM SECOND SHEET) 

INSTRUCTIONS TO TENDERERS AND CONDITIONS OF TENDER & CONTRACT 

1.1 TENDER DOCUMENTS : The documents forming the ‘Complete Tender’ (which is 

deemed to be part of the contract) consist of the following: 

(a) Tender forms (First and Second Sheet) 

(b) Special conditions of Tender & Contract. 

(c) Technical specifications of Tender & Contract. 

(d) Schedule of work with approximate quantities. 

(e) “Regulations for Tender and contract”. “General condition of contract” of N. 

E. Railway Edition – 1999. (although meant for use in connection with Civil 

Engineering Works, shall also be applicable for this contract) hereinafter called 

General Condition of Contract, and “Indian Railway Code for the Engineering 

Department” with up-to-date corrections (not enclosed herewith). 

However conditions/provisions in the tender forms (First & Second Sheets) and 

special conditions of tender & contract and Technical Specification vide 1.1(b) 

& (c) above will over-ride any overlapping or conflicting conditions / 

provisions given in these documents. 

(f) Indian Railway Telecommunication Manual with latest corrections (not 

enclosed herewith). 

(g) All general and detailed drawings pertaining to this work which will be 

issued by the Engineer-in-charge or his representative from time to time with 

all changes and modifications. 

Note : The documents which are not enclosed herewith can be seen in the office of 

DY.Chief Signal & Telecommunication Engineer / Construction / N. E. Railway / 

Lucknow, on any working day during office hours. 

1.2 SUBMISSION OF TENDER: 

1.2.1 Tender must be submitted in the tender document (non- transferable) supplied 

by the Railway, along with other relevant enclosure in a sealed cover super scribed 

“Tender No as mentioned in page no. 2” and must be deposited in the special Box allotted 

for this purpose in the office of the Dy. Chief Signal & Telecommunication Engineer / 

Construction / N.E.Railway / Lucknow-226001 or sent by Registered Post / Speed 

Post to the Dy.Chief Signal & Telecommunication Engineer / Construction / N. E. 

Railway / Lucknow-226001 so as to reach the office not later than 14:30 Hrs of 

prescribed date. The Tender box will be sealed at 14-30 hrs of prescribed date. The 

tender will be opened on prescribed date at 15-00 hrs. If the date of opening happens 

to be holiday/ bandh, the tender will be opened at 15-00 Hrs on the next working day. 

1.2.2 Tender documents (non-transferable ) can be purchased and submitted through 

authorized agents of the tenderer. 

1.2.3 Tenders submitted by the tenderers who have not purchased the tender 

documents themselves or through their agents, tenders not accompanied by 

earnest money, tenders from agents without letter of authority from the 

Principals will be summarily rejected. 

1.2.4 Telex or incomplete offer will be summarily rejected. 

1.2.5 No rates should be quoted with fraction of rupees. 


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1.2.6 Tender documents submitted by a tenderer shall become the property of 

Railway and the railway shall have no obligation to return the same to the 

tenderer(s). 

1.2.7 The tender shall be submitted in sealed envelope. The envelope should bear the 

tender number, its description and date of closing/opening. 

1.2.8 The Tender shall contain the offer letter and the price of each item quoted 

exactly according to the Performa and schedule of requirements and sealed. 

Any multiple offer without technical alternatives will make the offer/tender 

invalid and Railway will summarily reject such tender / offer. 

1.2.9 COMPLIANCE TO TENDER CONDITIONS, SPECIFICATION AND 

DRAWINGS :- 

The equipment offered shall be in accordance with the drawings and 

specifications. Details of variation from the drawings and specifications, if 

any, should be clearly indicated and in such an event, a certificate from the 

users must be furnished to the effect that the product offered performs the 

requisite functions satisfactorily, & is an alternative acceptable in one or more 

other countries. The name of users in those foreign countries should also be 

indicated. 

1.2.10 The tenderer shall indicate paragraph by paragraph for each section of the 

tender document that either his tender complies in every respect with the 

requirements of each clause and sub-clause or if not, precisely how they differ 

from the requirements of the tender. In later case, “the tenderer shall enclose 

a separate statement as per Proforma given, indicating only the deviations for 

any clause or sub-clause of General Conditions of Contract, Special conditions 

of Contract, Instructions to tenderer(s) and conditions of tendering, Technical 

specification, etc. which he proposes with” details justifications for deviations 

proposed. The purchaser, reserves the right to accept or reject these deviations 

and his decision thereon shall be final. 

1,2.11 The tenderer shall sign and stamp each and every page of the tender 

documents in token of his/their having read, understood, agreed and complied 

the same, and to this effect he shall submit in writing “I/We hereby confirm 

that I/We agree to comply all the conditions of the complete Tender 

mentioned in Para 1.1 above of this tender document”, along-with his offer, 

without which his/their offer is liable to be rejected. 

1.2.12 Tenderer(s) shall also sign at each and every page/paper of all other documents 

/ manuals / Literatures / drawings / sketches / leaflets etc., to be submitted by 

them along with their offer, in token of having been understood and owned 

such submission fully, by the tenderer(s) without which his/their tender is 

liable to be rejected. 

SIGNING OF TENDER : 

All offers shall be either type written or written neatly in indelible ink. Each 

page of the offer must be numbered consecutively. A reference to total number 


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of pages comprising the offer must be made at the top right hand corner of the 

top page. 

All copies of the tender paper shall be signed in ink by the tenderer, on each 

page including closing page, in token of his having studied the tender papers 

carefully. 

1.2.13 The intending tenederer is advised to study the tender papers carefully. Any 

submission of a quotation by the tenderer shall be deemed to have been done 

after a careful study and examination of these documents with full 

understanding of the implication thereof. These conditions and specifications 

shall be deemed to have been accepted unless otherwise, specifically 

commented upon by the tenderer in his quotation. Failure of adhere to anyone 

or all these instructions may render his offer liable to be ignored without any 

reference. 

1.2.14 Should a tenderer find discrepancies or omission from the drawing or any of 

the tender papers or he has any doubt to their meaning, he should at once 

notice the Railway who may send a written clarification to all tenderer(s). 

1.2.15 ADDRESS FOR COMMUNICATION :- 

Tenderer shall indicate his postal address, telephone numbers, telegraphic 

address, if any, and telex/fax numbers. Any communication sent to the 

tenderer(s) at his said address, shall be deemed to have reached timely, not 

withstanding the fact that the communication could not reach the tenderer at 

all or in time because of any inaccuracy or defect in the said address. Any 

change thereof shall be advised to Railway promptly. 

1.3 EARNEST MONEY: 

1.3.1 The tenderer(s) is/are required to deposit with the Divisional Cashier / Con. / 

N. E. Railway/Gorakhpur in favour of FA&CAO/CON/ N.E. RLY/Gorakhpur a 

sum prescribed money as Earnest Money, and the receipt obtained thereof 

should be enclosed with the tender as a proof of the deposit of the requisite 

Earnest Money 

1.3.2 The Earnest Money can also be deposited in any of the following forms in 

favour of FA&CAO/CON/N. E. RAILWAY/Gorakhpur, in lieu of Cash. In 

such case the validity / currency (if applicable) should be at least three months 

beyond the date of validity of offer. 

(i) Deposit Receipt, Pay Order, and Demand Draft. These forms of Earnest 

Money should be either of The State Bank of India or any other Nationalized 

Banks. No confirmatory advice from the Reserve Bank of India will be 

necessary. 

(ii) Deposit Receipt executed by the scheduled banks (other than the State 

Bank of India and 8 Nationalized Bank) approved by the Reserve Bank of India 

for the purpose. 

(iii) Deposit Receipt tendered by the scheduled bank which have not been 

approved by Reserve Bank of India for the purpose provided : 


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a) The bond in question is countersigned by any of the approved bank 

(including the State Bank of India) whereby the later undertake full 

responsibility to indemnify the N. E. Railway in case of default. 

or 

b) The bank concerned lodged with the Reserve Bank of India requisite 

securities , namely cash deposits of Government securities in respect of 

the guarantees to be executed or deposit receipts to be tendered by it. 

Apart from the above provisions, prior concurrence of the Reserve 

Bank of India, in writing should be necessary before accepting Deposit 

Receipts under (iii) (a), (b). 

Government securities (stock certificates, bearer bonds, promissory 

notes, cash certificate etc.) will not be accepted. 

1.3.3 Tender un accompanied by the requisite earnest money will be summarily 

rejected. If the deposit receipt for earnest money is not in any of the 

prescribed forms as stipulated in Para 1.3.2 above, the tender will be 

considered as un accompanied by requisite earnest money, and hence will be 

summarily rejected. 

1.3.4 The tenderer(s) shall hold the offer open for a period of at least 120 days (One 

Hundred Twenty days) from the date fixed for opening the same. It is 

understood that the tender documents have been sold/issued to the tenderer in 

consideration of the stipulation on his part that after submitting his tender. He 

will not resile from his offer or modify the terms and conditions thereof in a 

manner not acceptable to the Railway. Should the tenderer fail to observe or 

comply with the foregoing stipulation the whole amount of Earnest Money shall 

be liable to be forfeited by the Railway. 

1.3.5 The earnest money will be refunded to the unsuccessful tenderer/ tenderer(s) 

within a reasonable time but the railway shall not be responsible for any loss or 

depreciation that may happen to the security for due performance to keep the 

offer open, or to the earnest money, while in their possession nor be liable to pay 

interest thereon. The earnest money deposit of the successful tenderer/ 

tenderer(s) will be retained towards to security deposit for the due and faithful 

fulfillment of the contract, but shall be forfeited without prejudice to any other 

rights or remedies, if the, contractor/ contractors fail to execute the agreement 

bond or to start the work within the periods stipulated . 

Note: Earnest Money in the form of Guarantee Bond shall not be accepted. 

Security Deposit 

1.4.1 The Earnest Money deposited by the successful tenderer with his tender will 

be retained by the Railway as part of security deposit for the due and faithful 

fulfillment of the contract by the contractor. The full security deposit for the 

work will be calculated as provision of GCC applicable as with up to date 

corrections if any. The balance amount over and above amount of earnest 

money may be deposited by the contractor in cash with the Chief Cashier, 

North Eastern Railway, Gorakhpur or may be recovered from the contractor’s 


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“on account” bills at the rate of 10% of the bill amount till the such time 

amount recovered plus amount of earnest money already adjusted becomes 

equal to the full requisite security deposit of 5% of the contract value. 

1.4.2 Security Deposit will be recovered only from the running bills of the contracts 

and no other mode of collecting security deposit such as Security Deposit in 

the form of instruments like Bank Guarantee, Fixed Deposit etc. shall be 

accepted towards security deposit. 

1.4.3 No interest will be payable upon the Earnest Money and Security Deposit or 

amounts payable to the contractor under the contract. 

1.4.4 The railway shall be entitle to deduct from the said deposit any loss or 

damages which the Railway may be put to by reasons of any act of default on 

the part of the contractor and may call upon the contractor to replenish and 

maintain a deposit as its original limit by making further deposits. In the even 

of the contractor failing to make the deposit within time and the manner 

aforesaid, the railway shall be entitled to cancel the contract and forfeit the 

security amount deposited by the contractor. 

1.4. The security deposit referred to above shall be forfeited to the Railway in the 

event of any breach on the part of the contractor of the terms and conditions 

of this contract without prejudice to the Railways right to rescind the contract 

and other rights and remedies warranted by law. 

1.4.6 The security deposit shall be repaid on the expiry of the warranty period on 

receipt of the certificate from the Engineer concerned to the effect that work 

has been satisfactorily completed in all respects within the stipulated period 

mentioned therein and no defects have been noticed. 

1.5 BRIEF DESCRIPTION OF THE WORK: As captioned vide page No. 2. 

(a) O.F.C./Quad cable ( as the case may be ) & (b) HDPE duct will be supplied 

by the Railway 

(b) For exact item wise details, schedule of work may be referred. However, 

any further clarifications thereof can be obtained from the office of 

Dy.Chief Signal & Telecommunication Engineer /con / N. E. 

Railway/Lucknow , well in advance. 

1.6 LOCAL CONDITIONS :- 

1.6.1 It will be imperative on each tenderer to fully acquaint himself with all the 

local conditions and factors which would have any effect on the performance 

of the contract and cost of the stores. The purchaser shall not entertain any 

request for clarifications from the tenderer regarding such local conditions. No 

request for the change of price, or time schedule of delivery of stores shall be 

entertained after the offer is accepted by the purchaser on account of any local 

condition or factor. 

1.6.2 In the event of the tenderer desiring to have a field survey before furnishing 

his quotations, he may apply to railways for permission in this regard. Such 

permission will be given in writing by the railways but the expenses in this 

regard will be borne by the tenderer completely. 


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1.6.3 Before submitting tender the tenderer(s) is/are advised to inspect the proposed 

site of work and fully acquaint himself/themselves with the site conditions, 

working hours, stacking space for materials, approach roads, pathways 

available etc. and all relevant items connected with the execution of the work. 

No claim shall be entertained at a later stage by the railway on such grounds 

from the contractor(s). 

1.6.4 DRAWING(S) FOR THE WORK: Drawing(s) related for the work can be seen 

in the office of the Chief Signal & Telecomm Engineer / con / N. E. 

Railway/Gorakhpur at any working day during office hours. The drawings are 

tentative and Railway reserves the right to make changes in plans if 

considered necessary and no compensation in any form will be admissible on 

this account. The contractor(s) will have to execute the work as per final plans 

at the rates quoted by him/them. 

1.7 QUALIFYING CRITERIA :- As mentioned at Page No. 2 along with the following 

notes.: 

(i) Certificate from private individuals for whom such works are executed/being 

executed should not be accepted. 

(ii) Tenderer must submit documentary proof and credentials duly attested in 

support of Eligibility criteria along with tender document, failing which no 

further correspondence shall be made/entertained and no opportunity shall be 

given after opening of tender. However, Railway reverses the right to 

accept/reject the tender. 

(iii) In case of submission of any fake credentials by the tenderer, Railway reserves 

the right to forfeit earnest money. 

1.8. Engineering Organisation : 

(The tenderer should have at least one graduate Engineer and two experienced 

supervisors (Diploma Holders) having 5 years experience in the relevant field, 

supported by at least 5 nos. of artisan staff like Telecom. fitters. Details of which will 

be furnished by them along-with the tender. 

1.8.1 Construction Machinery :- The firm should have minimum construction 

machinery, Tools and plants, vehicle etc. Details of which will be furnished by 

them along with the tender 

1.8.2 Test and measuring instruments, special tools and installation material. 

(a) Special tools required for installation and maintenance of all the 

equipment shall be arranged by the tenderer in adequate quantities. All 

installation materials for commissioning of the system shall be provided by 

the tenderer. 

(b) All tests and measuring instruments and other arrangements required for 

all the acceptance tests shall be provided by the tenderer free of cost. 

1.8.3 Financial Criteria :- Audited Balance Sheet and Income statement of just 

concluded year. 


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1.8.4 Equipments: The tenderer shall identify the sources from which the 

equipment to be supplied under this tender will be obtained. 

1.9 SYSTEM PERFORMANCE GUARANTEE. 

1.9.1 Since the design of the system to achieve the end objective shall be checked 

and confirmed by the contractor and the supply of the materials will be 

according to this system design, the tenderer shall give unqualified and 

unconditional guarantee that when the equipment supplied by him is 

installed and commissioned at site , it shall achieve desired objective. In the 

event of performance of the system when installed not complying the end 

objective or with the specifications , he shall provide further inputs to enable 

the Railways to realize the end objectives with full compliance of the 

specifications contained in these documents. No additional payment will be 

made to the contractor for supply of any additional goods and services required 

in this regard. 

1.9.2 This certificate in the Proforma given in Annexure shall accompany the final 

offer. Absence of this certificate which will form part of the agreement will 

disqualify the tenderer automatically. 

1.9.3 WARRANTY. The contractor shall warrant that every equipment/ software 

furnished shall be free from defects and faults in design, material, 

workmanship and manufacture and shall be of highest grade and consistent 

with the established and generally accepted standards for goods of the type 

ordered. The warranty of the product shall be for a period of 12 months from 

the date of Final Acceptance certificates. During warranty period system 

should be available for 98% (99% during maintenance period) of Time at least. 

1.9.4 If the tenderer proposes to buy any equipment from other supplier / source, 

document indicating their willingness to supply the equipment and provide 

technical support to the tenderer that may be required during installation , 

commissioning and warranty andlater on directly to the railways and also 

performance guarantee bond of the equipment for minimum twelve 

months(from the date of commissioning ) shall be included in the tender. 

1.10 PARTNERSHIP DEEDS, POWER OF ATTORNEY FOR PARTNER(S)/AGENT(S). 

1.10.1 The tenderer shall clearly specify whether the Tender is submitted on his own 

behalf or on behalf of partnership concern. If the tender is submitted on behalf 

of partnership concern he should submit the certified copy of partnership deed 

and power of Attorney to sign the tender documents on behalf of the 

partnership concern along with the tender. If these documents are not 

enclosed along with the tender documents, the tender will be treated as having 

been submitted by individual signing the documents. The Railway will not be 

bound by any power of Attorney granted by the tenderer or by changes in the 

composition of the firm made subsequent to the execution of the contract. It 

may, however recognize such power of attorney and changes after obtaining 

proper legal advice, the cost of which will be chargeable to the contractor. If 

the tender is on behalf of the company, it should be signed by a duly 


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authorized person on behalf of the company. Non-compliance with any of the 

conditions set forth herein above is liable to result in the tender being rejected. 

1.10.2 The tenderer whether sole proprietor, a limited company or a partnership firm, 

if any, want to act through agents or individual partner/partners should submit 

along with the tender or at a later stage a power of attorney duly stamped and 

authenticated by a Notary public or by a Magistrate in favour of the specific 

person(s) whether he/they be partner /partners of the firm or any other 

person(s) specifically authorising him/them to sign the agreement, receive 

money, witness measurement, sign measurement book, compromise, settle, 

relinquish any claim or claims preferred by the firm and sign “No claim 

certificate” and refer all or any disputed items to arbitration 

1.11 EMPLOYMENT, PARTNERSHIP, SHARE HOLDER ETC. OF RETIRED 

RAILWAY EMPLOYEE: 

1.11.1 Should tenderer be a retired Engineer of the gazetted rank or any other 

gazetted officer working before his retirement whether in the executive or 

Administrative capacity or whether holding a pensionable post or not in the 

Signal & Telecommunication Engineering Department of any of the Railway 

owned and/or administered by the President of India for the time being or 

should tenderer being a partnership firm have as one of its partners a retired 

Signal & Telecommunication Engineer or a retired Gazetted Officer as 

aforesaid or should a tenderer being an incorporated company have any such 

retired Signal & Telecommunication Engineer or retired gazetted officer as 

one of the Directors, or should a tenderer have in his company any retired 

Signal & Telecommunication Engineer or retired gazetted officer as aforesaid, 

the full information as to the date of retirement of such engineer or gazetted 

officer from the said service and, in case where such Signal & 

Telecommunication Engineer or officer had not retired from Govt. service at 

least two years prior to the date of the submission of the tender, as to whether 

permission for taking such contract or, if the contractor be a partnership firm 

or any incorporated company to become a partner or director as the case may 

be or to take employment under the contractor has been obtained by the 

tenderer or the Signal & Telecommunication Engineer or the officer or his 

agent authorized by him in this behalf, shall be clearly stated in writing at the 

time of submitting the tender. Tender without the information’s above 

referred to or a statement to the effect that no such retired Signal & 

Telecommunication Engineer or retired Gazetted officer is so associated with 

the tenderer, as the case may be, shall be rejected. 

1.11.2 Should a tenderer or contractor being an individual on the list of approved 

contractor, have relative employed in Gazetted capacity in any department of 

the N. E. Railway, or in the case of partnership firm or company incorporated 

under the Indian Company Law, should a partner or a relative of the partner 

or a shareholder or a relative of a shareholder be employed in gazetted 

capacity in any department of the N. E. Railway, the authority inviting tender 


Date………………… 

13


shall be informed of the fact at the time of submission of tender failing which 

the tender may be rejected or if such fact subsequently comes to light the 

contract may be rescinded in accordance with the provisions in clause 62 of 

the General Condition of Contract.A declaration to this effect should be signed 

and enclosed with the tender. 

1.12 ERRORS, OMISSION & DISCREPENCIES: -The contractor(s) shall not take any 

advantages of any mis-interpretation of the conditions due to typing or any 

other error and if in doubt, shall bring it to the notice of the Engineer, without 

delay. In case of any contradiction only the printed rules, and books should be 

followed and no claim for the mis-interpretation shall be entertained 

1.13 ACCEPTANCE/REJECTION OF TENDER(S): 

1.13.1 The authority competent for the acceptance of this tender does not bind 

himself to accept the lowest or any other tender nor does he undertake to 

assign reasons for declining to consider any particular tender or tenders. No 

tenderer/(s) shall demand any explanation of the cause of rejection of his/their 

tender. No correspondence will be entertained with the tenderer(s) in respect 

of the rejection of any or all tenders. 

1.13.2 The tender containing erase and/or alterations of the tender 

documents are liable to be rejected. Any corrections made by the tenderer(s) 

in his/their entries must be attested. 

1.13.3 If a tenderer deliberately gives/tenders wrong information/s in his/their tender 

or creates/create circumstances for the acceptance of his/their tender, the 

railway reserves the right to reject such tender at any stage. 

1.13.4 If a tenderer expires after the submission of his tender or after the acceptance 

of his tender, the railways shall deem such tender as cancelled. If a partner of 

the firm expires after the submission of their tender or after the acceptance of 

their tender the railway shall deem such tender as cancelled unless the firm 

retains its character. 

1.14 EXECUTION OF CONTRACT AGREEMENT: The successful tenderer(s) shall be 

required to execute a contract agreement (herein after called C.A)with the 

railway for carrying out the work according to condition of Tender & 

Contract, Special Condition of Tender & Contract, Specification of Tender,” 

General Conditions of Contract”, edition-1999 with latest amendment of N. E. 

Railway (which shall also be applicable in this work, although meant for use in 

connection with Civil Engineering Works) and Schedule of work after 

depositing the required Security Deposit in terms of clause No.1.4 . 

1.15 DOCUMENTS TO ACCOMPANY THE OFFER : The following documents shall 

invariably accompany the offer, failing which the offer can be treated as 

invalid and liable to be summarily rejected without any correspondence with 

the firm. Hence the firm is well advised to ensure that all the minimum 

documents, as laid down hereunder are attached with their offer:- 

1.15.1 Earnest money amount drawn in favour of the FA & CAO / CON / N. E. Rly. 

Gorakhpur 


Date………………… 

14


1.15.2 Tender documents including prices & schedule duly signed and stamped in 

each page. 

1.15.3 Documents in support of financial solvency.(Solvency certificate from any 

Nationalized Bank ). 

1.15.4Clause wise compliance statement of technical specification/special conditions 

etc. with documentary support. 

1.15.5 Details of technical staff to be deployed for this project with their name, 

designation, Qualification and experience. 

1.15.6 Testimonials / Credentials / Documentary evidence and performance record in 

support of satisfactory performance of the equipment supplied and for 

satisfactory completion of the project / work executed and any other relevant 

information for the last five years. The firm should summarily submit list of 

works carried out, which are similar to the present work in the tender 

document. 

1.15.7 As the work is of special nature, requiring highly skilled technical expertise, 

the firm is required to establish that they possess the requisite skill, technical 

expertise, technical and skilled man power and all their equipments are of high 

quality, able to withstand the rigorous/intensive usage in Railway 

Telecommunication applications. 

1.15.8 List of personnel, Organization available on hand and proposed to be engaged 

for the subject work. 

1.15.9 List of plant & Machinery available on hand ( own) and proposed to be 

inducted (own and hired to be given separately) for the subject work. 


Date………………… 

15


SECTION-II , 

CHAPTER – II 

SPECIAL CONDITIONS OF TENDER AND CONTRACT 

2.1 GENERAL: 

2.1.1 These special conditions of Tender and Contract, the technical specifications 

and the schedule of works of this contract in addition to the General Condition 

of the Contract of N. E. Railway Edition – 1999 (although meant for use in 

connection with Civil Engineering Works, shall also be applicable for this 

contract), Indian Railway Code for the Engineering Department with up-todate 

corrections, Standard Specifications for materials and works and the 

Indian Railway Telecommunication Manual shall govern the work to be 

executed. 

2.1.2 Where there is any conflict between these specifications and conditions (as 

mentioned in Para 2.1.1 above) of contract on one hand and General 

Conditions of Contract of North Eastern Railway on the other hand, the 

former shall prevail. 

2.1.3 Any special conditions stated by the tenderer(s) in the covering letter 

submitted along with the tender shall be deemed to be the part of the contract 

to such extant only as have explicitly been accepted by the Railways, and 

incorporated in the contract agreement. 

2.2 DEFINATIONS AND INTERPRETATIONS 

2.2.1 ”Engineer” shall mean the Assistant Signal & Telecommunication Engineer 

(Construction) and shall include the superior officers of Signal & 

Telecommunication Department of the N. E. Railway i.e. Divisional Signal & 

Telecommunication Engineer (Construction)/Deputy Chief Signal & 

Telecommunication Engineers / Chief Signal & Telecommunication Engineer / 

Construction 

2.2.2 Engineer-in-charge: As specified at page No. 2. “ Engineer-in-charge” will be 

the in-charge for execution of this work. However railway reserves the right to 

change the Engineer in charge at any stage due to any reason whatsoever. 

2.2.3 “Site engineer” shall mean any Sr. Section Engineer/Tele of Construction 

Organization authorized by the Engineer-in-charge. 

2.3 SCOPE OF THE WORK : 

The scope of the work broadly includes supply of materials and execution of the work 

as described in details in the schedule of work, drawings and technical specifications 

of the tender, unless deviations if any, specifically approved by the Railway. 

2.4 PROGRAMME OF WORKS :- 

2.4.1 (a) The contractor shall have necessary resources to execute the work so that 

the entire work is completed within a period as mentioned in the preamble 

from the date of issue of Letter of Acceptance of the tender. 


Date………………… 

16


(b)The Program of work to be followed is given as under: 

D: Date of issue of Letter of Acceptance from Railway to the 

Contractor. 

D+1/2 months Completion of supply of Scheduled materials. 

D+1 months Completion of 50% of Scheduled outdoor works . 

D+1-1/2 month Completion of 50% of remaining Scheduled outdoor works . 

D+2 month Testing and commissioning of entire outdoor works 

(c) The contractor shall be held responsible for the execution of the work 

according to the Programme given above for the execution of the work in full 

compliance of the approved plans and also the various clauses of the technical 

supplements, Technical specifications, instructions and drawings available 

separately. Failure to comply with any of these will be dealt with as per 

provision laid down in General Conditions of Contract and Instructions for 

Tenderers of the Engineering Department of the N.E.Railway. 

(d) The contractor on his part will have to employ labour in full strength 

commensurate with working area available. He will also arrange matching 

materials and equipment to complete the job most expeditiously so as to ensure 

that the work is completed in phases within the stipulated period 

(i) The tenderer should nominate a competent graduate Engineer as his 

representative on the works who will be authorized to receive and 

acknowledge materials issued by the Railway and take all orders issued 

by the inspecting officer of the Railway 

(ii) Inspection Register shall be maintained at the site of work by the 

Railway wherein instructions regarding the working etc. shall be 

recorded by the Engineer or his executive subordinates. It is expected of 

the contractor or his representative at the site to note such instructions 

whenever asked upon to do so and take action accordingly. 

(iii) No facility whatsoever, e.g. provisions of approach road and 

provision of temporary level crossing etc. will be provided by Railway 

for carting materials. Approach roads within the Railway limits can be 

used for carting materials. 

(iv)Programming Of Work To Avoid Interference With Train 

Movements:-The contractor will programme his work in such a manner 

so as not to interfere in the working and movement of trains. No extra 

payment shall be allowed on this account and for taking any 

precautions or wastage of contractor’s labour, time etc. due to train 

working. 

(v) Presence of Supervisors At Site :- 

(vi) No work of wiring, commissioning of equipment should be done 

unless and until contractors technical supervisors are present at site. 

(vii) The execution of all works must be restricted to one or at the most 

two sites at a time as it may not be possible for the railway to provide 


Date………………… 

17


more than two supervisors for supervision of the contractor’s work at 

any time. 

(viii) Progress Reporting :-The contractor shall submit to Railway at 

his own cost periodic progress reports at regular intervals regarding the 

state and progress of work. The details and Proforma of the report will 

mutually be agreed after award of the contract. Such reports shall be for 

daily man power, equipment and plant development, weekly work 

progress and monthly progress review reports. All actions as directed by 

IR pursuant to such reports shall be promptly attended to. 

2.4.2 The successful tenderer will however have no claim or right in the execution 

of any work which in the opinion of Engineer should be carried out 

departmentally or otherwise and the railway reserves the right at any time to 

keep back from the contract and carry out the work or any portion of the work 

through any other agency, it may think necessary, without assigning any 

reason. No claim for compensation / loss or whatsoever on this account will be 

entertained by the railway. 

2.4.3 No work on working installations shall be undertaken without the specific 

permission of the Railway representative and without the presence of Railway 

representative at the site of the work 

2.4.4 The contractor shall be responsible for safe custody of all newly installed 

equipment including Railway materials, if any, till such time installation is 

completed in all respects and is taken over by the railway. 

2.4.5 The work during execution shall be subjected to checks and tests at all stages as 

prescribed in Technical Specification. The tests shall be carried out by the 

engineer-in-charge or his authorized representative. After taking the test a list 

of discrepancies / deficiencies, if any, shall be given to the contractor. The 

contractor shall be liable to remedy such discrepancies/ deficiencies as 

discovered during these tests and make good at his own cost, within a period of 

30 (Thirty) days from the date of testing. 

2.4.6 a) The contractor shall have to arrange adequate tools and measuring 

equipment for execution of the work at his own cost. 

b) If at any time, any materials or tools which the contractor would normally 

have to arrange for himself for executing the work is supplied by the Railway 

either at the contractor’s request suo-moto in order to prevent possible delay in 

the execution of the work due to contractor’s inability to make adequate 

arrangements for the supply thereof or otherwise, such materials or tools may 

be made available to the contractor from the Railway stores if available at the 

discretion of engineer-in-charge. All handling thereof will be contractor’s 

responsibility. Recovery of a consolidated rent charge @1% (One percent) of 

book value of materials and/or tools per day (inclusive of holidays, lost 

working days and bandh etc.) shall be made from the contractor’s bill for such 

supply. The amount decided by the engineer-in-charge shall be binding on the 

contractor. 


Date………………… 

18


In case of loss or damage caused to materials and/or tools supplied as 

mentioned above recovery shall be made from the contractor in terms of clause 

No.2.11.4. 

c) If the materials or tools however, not available in Railway stock or railway 

decides not to supply the same, whatsoever be the reason, the railway shall not 

be bound to arrange for the supply nor will this fact be accepted as an excuse 

for delay in the execution of the work. 

2.4.7 While executing the work any increase of quantity up to 25% shall in no 

degree affect the validity of the contract and shall be performed by the 

contractor as provided therein and be subject to the same conditions, 

stipulations and obligations originally included and approved for in 

specification and drawings and the amount to be paid thereof shall be 

calculated in accordance with the accepted rates of the schedule. 

2.4.8 a)For completion of the work if any necessity arises for execution of excess 

quantity of any item (work as well as supply) beyond 25% of the quantity 

provided in the schedule of work, the contractor shall notify the engineer-incharge 

at least 7 (Seven) days in advance. The railway shall have the option to 

execute such extra work / supply by any other means and the contractor shall 

have no claim for loss or damage that may result from such procedure. 

b) The rates for such items increasing beyond 25% shall be decided in terms of 

clause No. 2.13.2(b). 

2.4.9 (a) COMMISSIONING & TESTING: After execution of all the items of the 

work as per schedule of the work the contractor will offer the entire work for 

commissioning tests with at least 15 (fifteen) days advance intimation to the 

Engineer-in-charge. 

In case of any faults detected during the said test, the contractor shall be 

responsible for localization of fault(s) and rectify of those at his own cost and 

then re-offer for testing, till the entire work is finally cleared for acceptance 

by the Engineer-in-charge 

Any special type of Measuring Instruments and accessories required for 

Commissioning Testing of the installations are to be arranged and brought at 

site by the contractor at his cost. 

2.4.9 (b) SUPPLY OF COMPLETION PLAN / DRAWINGS :- The contractor shall 

submit completion plan / drawings duly bound in book form and in four copies 

along with the commissioning of the system. 

2.5 COMPLETION OF WORK : After executing the entire work including Commissioning & 

Testing the contractor shall give one week’s notice in writing to the engineer-incharge 

to take over the installation. The engineer-in-charge shall accept and take over 

the entire work after satisfying that the work has been executed properly and all the 

requirements of Commissioning Tests have been met by the contractor, then only the 

work shall be treated as to have been completed by the contractor. 


Date………………… 

19


The date of taking over of the entire work as mentioned above, shall be treated as the 

date of completion of the work, for all purposes, in this contract. 

2.6 COMPLETION PERIOD: Time is the essence of the contract. The contractor will have to 

complete the work, as defined in Clause No. 2.5 above within sprecified period as 

mentioned at page No. 2 from the date of issue of the letter of acceptance of his 

tender, unless any extension to the date of completion is granted subsequently, 

(period being inclusive of monsoon). If extension to completion period is granted with 

imposition of Liquidated Damages, recovery of Liquidated Damage will be made @ 

0.5% per week or part thereof on the total value of the contract in terms of clause on 

17(4) of the General Condition of Contract. 

The entire work shall be completed within the stipulated period except for any delays 

due to : 

a) Non supply of materials by the Railway Administration on demand of contractor. 

b) Decision not given by Railway administration on technical matters referred to by the 

contractor. 

c) Hindrance created by any other department. 

d) Disconnection not permitted by Operating Department causing delay to the work. 

e) Demarcation not given in time on demand. 

f) Power failure and power cuts. 

i) Due to any force de majure clause mentioned in the time limitation. 

Provided the delay in completion of works which is attributed by the contractor to 

the Railway’s causes mentioned above should be advised in writing to the Railway 

Engineer immediately by the contractor for rectification/investigation. If such advice 

in writing is not given the delay will not be accepted by the Railway and no extension 

will be granted on this account. 

2.7 TIME LIMITATION: Subject to any requirement in the contract as to execution of 

any portion or portions of the work before completion of the whole, the contractor 

shall fully and finally complete the whole of the work comprised in the contract by 

the date entered in the contract, provided that if any modifications have been ordered 

which, in the opinion of the railway engineer have materially increased the 

magnitude of the work, then such extension of the contract date of completion may 

be granted as shall appear to the Railway Engineer to be reasonable in the 

circumstances, provided moreover that the contractor shall be responsible for 

requesting such extension of the date as he may consider necessary as soon as cause 

thereof shall arise and in any case not less than one month before expiry of the 

original date fixed for completion of the work. 

In all cases where extension of the contract date of completion is required the 

contractor shall have to make normal request in writing to the Engineer-in-charge of 

the work who shall then promptly forward such request to the competent authority 

with his clear and complete comments, recommendation and any other information as 

necessary for obtaining final decision by the competent authority. 

2.8 INSPECTION OF THE MATERIALS TO BE SUPPLIED BY THE CONTRACTOR: 

2.8.1 Material to IRS/RDSO design or specification shall be inspected by RDSO as 

per their latest inspection policy before they are finally used in works. 


Date………………… 

20


Materials other than this shall be inspected by Purchaser Engineer or his 

representative at site or manufacturer's premises. 

2.8.2 Materials put up for inspection shall be exactly of the type and quantity laid 

down in the schedule of materials. Any variation shall require the prior 

approval of the Railway before the material is manufactured or tendered for 

inspection. 

2.8.3 All materials that are not covered under the specification, designs and 

drawings of RDSO/TEC etc. shall be procured from the manufacturers of 

repute/their authorized dealers. Such materials are to be approved by Railway 

Engineer. The Contractor may be required to produce test certificate from the 

manufacturer wherever called for by the Engineer. 

2.8.4 The cost of services of Railway Engineers or other personnel for inspection of 

material will be to the Railway’s account subject to other provisions herein 

contained. The contractor shall give at least 4 weeks notice to the purchaser or 

his nominee to enable him to arrange necessary inspection. 

2.8.5 During the execution of the contract, samples may be taken from all the 

materials employed for the purpose of test and/or analysis under the conditions 

laid down in specification; such samples to be prepared for testing and 

forwarded to the testing entity shall be free of all costs to the Railway 

2.8.6 The decision of the purchaser or his successor shall be final in respect of 

acceptability or otherwise of any material, equipment etc. required for the 

work. The cost of equipment and materials, all tests and/or analysis performed 

for inspection shall be borne by the contractor. 

2.8.7 All expenses of the purchasers representative shall be borne by the purchaser 

whether the inspected material is utilized in the work or not. 

2.8.8 The Firm/Manufacturer should have valid type approval for the items on the 

date of opening of tender, which should be submitted along with the tender 

form. 

2.9 INSPECTION OF WORKS: 

Field Book and Order Book in terms of Para 1122E and 1123E respectively of the 

Engineering Code shall be maintained at the site of the work by Railway wherein 

instructions regarding the working etc. shall be recorded by the Engineer or his 

executive subordinates. It is expected of the contractor or his representative at the site 

to note such instructions whenever asked upon to do so and take action accordingly. 

In the Field Book, the date of inspection and particulars of any special features, 

incorrect practice(s) and deficiencies observed in the work being executed and/or 

materials supplied by the contractor shall be recorded by the Engineer or his 

executive subordinates. It will be the responsibility of the contractor to rectify the 

deficiencies observed (if any) at his own cost and also to prevent any recurrence. 

Complaints, deficiencies if any, pointed out by the contractor or his representative 

shall also be recorded in this book. 

In the Order Book, all instructions issued by the engineer or the supervisor to the 

contractor or his representative as the case may be, shall be entered. The contractor(s) 


Date………………… 

21


or his/their representative at the site shall acknowledge such instructions whatever 

asked upon to do and take action accordingly. 

2.10 REPRESENTATION ON WORKS : 

The contractor(s) shall nominate in writing his representative(s) on the works who 

will be authorized to receive and acknowledge materials issued by the Railway and 

take all orders issued by the inspecting official of the Railway, as mentioned in clause 

No. 2.9 above before commencement of execution of work at site, with intimation to 

the engineer-in-charge well in advance. Contractor shall also ensure that at least one 

nominated representative remains available at site during execution of work. 

2.11 SUPPLY OF MATERIALS BY RAILWAY: 

2.11.1 Subject to any requirement in the contract as to execution of any portion or 

portions of the work before completion of the whole, the contractor shall fully 

and finally complete the whole of the work comprised in the contract by the 

date entered in the contract, provided that if any modifications have been 

ordered which, in the opinion of the railway engineer have materially 

increased the magnitude of the work, then such extension of the contract date 

of completion may be granted as shall appear to the Railway Engineer to be 

reasonable in the circumstances, provided moreover that the contractor shall 

be responsible for requesting such extension of the date as he may consider 

necessary as soon as cause thereof shall arise and in any case not less than one 

month before expiry of the original date fixed for completion of the work. 

All materials shall be supplied by the contractor at consignee’s store. These store 

will be issued to the contractor from consignee’s store. The contractor will transport 

the materials by their own means free of charge to the site . 

2.11.2 (a)The contractor shall take delivery of materials to be supplied by the Railway 

at Godown of consignee’s store and make his own arrangement for working 

out the materials to the site at his own cost. The contractor shall be responsible 

for checking before taking delivery that the materials given to him are all in 

good condition. Any replacement required for defective or broken parts have 

to be requisitioned and obtained by the contractor from the Railway stores 

depot of consignee after returning the defective or broken equipment provided 

the Engineer is satisfied that such breakage or defects etc. is not due to 

negligence etc. of the contractor or his representatives. 

(b) Issue of materials for execution of work : 

All the materials (Railway materials as well as those to be supplied by the 

contractor and duly accepted by the Rly.) shall be handed over to the 

contractor at any time for execution of the work depending upon the progress 

and item of the work to be executed. The contractor shall furnish a 

“INDEMNITY BOND” for a sum equal to the cost of materials proposed to be 

taken by him. The Indemnity Bond shall be made strictly as per the format 

given in Annexure and its validity should be at least three months beyond the 

date of completion period. The quantity of materials shall be given by the 

railway at any time shall not exceed the value of the “INDEMNITY BOND” 


Date………………… 

22


furnished by the contractor. The Indemnity Bond shall not be released till 

such time the materials for which the INDEMNITY BOND is furnished are 

installed and handed over with full accountal to the railway by the contractor. 

2.11.3 The materials issued by the Railway shall be used solely and economically for 

the purpose of the works covered under this contract only. The materials shall 

be used in such quantity and manner as are indicated in the schedule or in the 

relevant specifications or drawings as approved by the Engineer whose 

decision thereon shall be final. Wastage and damage to such materials in any 

manner shall not be caused by the contractor. 

2.11.4 The contractor shall be liable to render full accountal for the materials issued 

by the Railway. If the quantity of the Railway materials is consumed in excess 

or wasted or damaged or lost or otherwise not satisfactorily accounted for, 

recovery shall be made from the contractor at twice the assessed rate of 

materials, prevailing at the time of last issue of the materials, if necessary by 

encashing the Indemnity Bond mentioned in Clause No. 2.11.2(b). The 

assessed rate will be calculated by escalating the N.E.Rly’s last purchase rate at 

the rate of 12% (Twelve percent) cumulative per year or part there of. 

Materials consumed in excess or wasted or damaged or lost or unsatisfactorily 

accounted for shall be similarly charged to the contractor at the above rate 

2.12 RETURN OF RAILWAY MATERIALS: 

The contractor has to return at his cost any cut pieces of wires /Cable etc. that may be 

left out and any surplus materials from the work and other packing materials that 

might have been handed over to him. These shall be handed over to consignee. The 

contractor shall take proper written acknowledgement from the representative of the 

engineer-in-charge for all the materials returned by him. 

2.13 RATES FOR ITEMS : 

2.13.1 (a) The rate quoted by the contractor in the schedule shall be inclusive of all 

taxes and charges for labour, transportation, plants and equipment, tools, fuel 

and consumable (if any) etc. 

(b) All prices and other information like discounts etc. having a bearing on the 

price shall be written both in figures and in words in the prescribed offer form. 

In case of difference in words and figures the amount written in words will be 

taken into consideration. 

No price escalation of the rate(s) shall ordinarily apply under this contract. 

However, tenderer(s), wishing to quote with any price variation condition, 

shall furnish clearly and unambiguously the formula for the same, subject to 

acceptance of the railway, without which his / their offer is liable to be 

rejected. 

(c) On specific demand by the contractor, “Form D” can be issued to avail 

concessional rate of Central Sales Tax (CST) on supply items which are to be 

mentioned clearly in the offer. 


Date………………… 

23


(d) The tenderer(s) are advised to judiciously offer item-wise rate, 

commensurate to the very item of work and/or supply otherwise his/their 

tender is liable to be passed over irrespective of the total cost quoted. 

(e) However if due to any special reason like materials/work force etc. being 

available as surplus with the contractor which may influence the quoted 

rate(s), the same may be explained against each such item(s). 

2.13.2 (a) Variation in quantity: 

New Clause 42(4) to Indian Railways General Conditions of Contract. 

(Ref: Item-9 to Railway Board’s letter No. 2007/CE-I/CT/18, dated 28.09.2007 and 

Item-2 to letter no.2007/CE.I/CT/18 Pt.XII, dated 31.12.2010) 

The procedure detailed below shall be adopted for dealing with variations in 

quantities during execution of works contracts : 

1. Individual NS items in contracts shall be operated with variation of plus or minus 

25% and payment would be made as per the agreement rate. For this, no finance 

concurrence would be required. 

2. In case an increase in quantity of an individual item by more than 25% of the 

agreement quantity is considered unavoidable, the same shall be got executed by 

floating a fresh tender. If floating a fresh tender for operating that item is considered 

not practicable, quantity of that item may be operated in excess of 125% of the 

agreement quantity subject to the following conditions : 

(a) Operation of an item by more than 125% of the agreement quantity needs the 

approval of an officer of the rank not less than S.A.Grade. 

(i) Quantities operated in excess of 125% but upto 140% of the agreement quantity of the 

concerned item, shall be paid at 98% of the rate awarded for that item in that 

particular tender; 

(ii) Quantities operated in excess of 140% but upto 150% of the agreement quantity of the 

concerned item shall be paid at 96% of the rate awarded for that item in that 

particular tender. 

(iii)Variation in quantities of individual items beyond 150% will be prohibited and would 

be permitted only in exceptional unavoidable circumstances with the concurrence of 

associate finance and shall be paid at 96% of the rate awarded for that item in that 

particular tender. 

The variation in quantities as per the above formula will apply only to the Individual 

items of the contract and not on the overall contract value. 

Execution of quantities beyond 150% of the overall agreemental value should not be 

permitted and, if found necessary, should be only through fresh tenders or by negotiating 

with existing contractor, with prior personal concurrence of FA&CAO/FA&CAO(C) and 

approval of General Manager. 

3. In case where decrease is involved during execution of contract: 

(a) The contract signing authority can decrease the items upto 25% of individual item 

without finance concurrence. 

(b) For decrease beyond 25% for individual items or 25% of contract agreement value, 

the approval of an officer not less than rank of S.A. Grade may be taken, after 


Date………………… 

24


obtaining ‘No Claim Certificate’ from the contractor and with finance concurrence, 

giving detailed reasons for each such decrease in the quantities. 

(c) It should be certified that the work proposed to be reduced will not be required in the 

same work. 

4. The limit for varying quantities for minor value items shall be 100% (as against 25% 

prescribed for other items). A minor value item for this purpose is defined as an item 

whose original agreement value is less than 1% of the total original agreement value. 

5. No such quantity variation limit shall apply for foundation items. 

6. As far as SOR items are concerned, the limit of 25% would apply to the value of SOR 

schedule as a whole and not on individual SOR items. However, in case of NS items, 

the ,imit of 25% would apply on the individual items irrespective of the manner of 

quoting the rate(single percentage rate or individual item rate). 

7. For the tenders accepted at Zonal Railways level, variations in the quantities will be 

approved by the authority in whose powers revised value of the agreement lies. 

8. For tenders accepted by General Manager, variations upto 125% of the original 

agreement value may be accepted by General Manager. 

9. For tenders accepted by Board Members and Railway Ministers, variations upto 110% 

of the original agreement value may be accepted by General Manager. 

10. The aspect of vitiation of tender with respect to variation in quantities should be 

checked and avoided. In case of vitiation of the tender (both for increase as well as 

decrease of value of contract agreement), sanction of the competent authority as per 

single tender should be obtained. 

2.13.2 (b) Condition regarding use of contractor’s vehicles and equipments: The vehicles 

and equipments available with the contractor can be draft by the Railway 

Administration in case of Accidents/ Natural calamities involving human lives. For 

the payment purposes, this item may be operated treating as a Non- Schedule (N.S.). 

2.13.2 (c) CONDITION AND RATES FOR USE OF RAILWAY LAND AS 

ACCOMODATION DURING CONTRACT PERIOD: The rate for use of railway 

accomodation during contract period will be applicable in accordance with prevailing 

rules framed by railway from time to time. 

2.13.3 In the event of any reduction in the quantity to be supplied or work to be 

executed for any reasons whatsoever the contractor shall not be entitled to any 

compensation but shall be paid only for the actual amount of work done or 

quantity of supply made in accordance with the accepted rate of the schedule. 

Supply of materials and works not covered by the schedule of work but 

necessary for completion of the work as per approved plan will be executed by 

the contractor, for which contractor will quote separately. 

2.13.4 Site facilities : The rates should be deemed to include charges for any and all 

site facilities that are considered necessary for the execution of the work unless 

otherwise indicated in the contract. In this connection, specific attention is 

drawn to stipulations in clause 1(1) of the general condition of the contract. 

2.14 MEASUREMENTS & PAYMENT FOR WORKS: 


Date………………… 

25


(a) In terms of clause No. 45 of General Condition of Contract 

measurements of the work in progress shall be taken and recorded in 

the prescribed official Measurement Book from time to time and at such 

intervals as in the opinion of the engineer-in-charge shall be proper 

having regard to the progress of the work. The contractor shall be 

present at the site and shall sign the results of the measurements (which 

shall also be signed by the engineer-in-charge or his authorized 

representative) recorded in the aforesaid measurement book as an 

acknowledgement of his acceptance of the accuracy of the 

measurements. 

(b) 90% of the charges for execution of each activity will be paid to the 

contractor on its completion duly verified by the Railway 

representative. This will be subject to the submission of written 

certificate of the Railway representative that the work has completely 

been done in all respect. 

(c) 10% against the execution of each activity will be paid to the 

contractor after the completion of the entire work.. 

2.15 DEDUCTION OF INCOME TAX: 

The railway shall at the time of arranging payment to the contractor be 

entitled to deduct Income Tax on the gross amount of each bill, at specified 

rate decided by Railway Board from time to time . An Income Tax Deduction 

Certificate can be issued to the firm on demand and the final settlement of 

Income Tax should be made with concerned income tax authority. 

2.16 DEDUCTION OF SALES TAX : 

Deduction of the sales tax at a rate applicable in the state of U. P. will be made 

at source from the payment made to the Contractor for carrying out works by 

the N. E. Railway Administration. In view of the above, Railway 

Administration decided to deduct the Sales Tax from each running bill and 

deposit the same in treasury of Respective Governments and any adjustment of 

deduction to be made on final bill. The % (Percentage) of deduction will vary 

as per the directive of the State Govt. 

2.17 ATTENDING DEFECTS WITHIN FREE MAINTENANCE PERIOD UNDER 

WARRANTY: 

The contractor shall be bound to rectify free of cost at site any defects and/or 

short comings that may arise in the work executed for a period of 365 (Three 

hundred sixty five ) days after completion and taking over of the installation 

by the railway (as defined in clause No. 2.5 ). The aforesaid maintenance 

period of 365 days shall be reckoned from the date of taking over the work by 

the railway, excluding day(s) that will elapse, from the date of sending the 

intimation by the railway, to the Contractor (at his last known address) up to 

the date of completion of rectification. Should any dispute arise as to the 

correctness of the defects pointed out, the decision of Engineer-in-charge in 

this regard shall be final and binding. The necessary disconnection of working 


Date………………… 

26


circuits / equipment (if any ) for carrying out rectification shall be arranged by 

the Engineer-in-charge and such work shall be done only in presence of his 

authorized representative. 

After completion of such rectification works, all the circuits and equipment 

shall be tested and checked thoroughly by authorized representative of the 

Engineer-in-charge before reintroduction of normal working. 

2.18 ARBITRATION: 

(a) All disputes on difference of any kind whatsoever arising out of or in 

connection with the contract. Whether during the progress of the work or 

after the completion and whether before or after the determination of the 

contract shall be referred by the contractor to the Railway and the Railway 

shall within a reasonable time after their presentation make and notify 

decisions thereon in writing. The decision direction and certificates with 

respect to any matters/decision of which is specially provided for by these 

conditions given and made by the Railway, which matter are referred to 

hereinafter as “Excepted Matters” shall be final and binding upon the 

contractor and shall not be set aside or attempted to be set aside on account of 

any informality, omission, delay or error in preceding kin or about the same or 

any other ground or any other reason and shall be without appeal. 

(b) If the contractor is dissatisfied with the decision of the Railway, on any 

matter in-question, dispute or difference or any account or as to the 

withholding by the Railway of any certificates to which the contractor may 

claim to be entitled to or the Railway fails to make a decision within a 

reasonable time, then in any such case but except in any of the “Excepted 

Matters” referred in Para 2.18 (a) of these conditions, the contractor shall 

within 10 days of the receipt of the communications of such decision or after 

the expiry of the reasonable time as the case may be, demand in writing that 

such matters in question dispute or difference be referred to arbitration. 

(c) All the arbitration matters referred in Para 2.18(b) above shall be guided by 

the rules No.62 and 63 of Regulation for Tender Contracts, General Condition 

of Contract and Standard Specification Book,1993 edition issued by Chief 

Engineer, N. E. Railway. 

2.19 PROGRAMMING OF WORK TO AVOID INTERFERENCE WITH TRAIN 

MOVEMENTS: 

The contractor will programme his work in such a manner so as not to 

interference in the working and movement of trains. No extra payment shall 

be allowed on this account and for taking any precautions on wastage of 

contractor’s labour, time etc. due to train working. 

2.20 SITE CLEARANCE: At the end of work at each station, the contractor shall as 

a part of his contractual obligation leave the area completely cleared of rubbish 

and obstructions of all kinds according to the instructions of the Railway’s 

representatives. Besides, he shall take execution of work to avoid the presence 


Date………………… 

27


of loose earth and ballast on platforms, in drains, on the track formation and 

pathways in the vicinity. If within fortnight of completion of the particular 

item of work, the refuge is not cleared, the Railway will arrange to get them 

removed at the cost of the contractor. However, before the railway actually 

gets the site cleared, intimation in writing shall be sent to the contractor. 

2.21 PROGRESS REPORTING : 

The contractor shall submit to Railway at his own cost periodic progress reports 

at regular intervals regarding the state and progress of work. The details and 

Proforma of the report will be mutually be agreed after award of the contract. 

Such reports shall be for daily man power, equipment and plant development, 

weekly work progress and monthly progress review reports. All actions as 

directed by Engineer-in-charge pursuant to such reports shall be promptly 

attended to. 

2.22 PRESENCE OF SUPERVISORS AT SITE : 

(I) No work of wiring, commissioning of equipment, cable laying, jointing and 

balancing should be done unless and until contractors & Rly’s technical 

supervisors are present at site. 

(II) The execution of works in respect of and connected with laying of cables 

must be restricted to one or at the most two sites at a time as it may not be 

possible for the railway to provide more than two supervisors for supervision 

of the contractor works at any time. 

2.23 FORCE MAJURE : 

2.23.1 If, at any time, during the continuance of the agreement, the performance in 

whole or in part by either party of any obligation under the agreement shall be 

prevented or delayed by reasons of any war, hostile acts of the enemy, civil 

commotion, sabotage, fires, floods, explosions, epidemics, quarantine 

restrictions, strikes and lock-outs and any statute, statute rules, regulations, 

orders or requisitions issued by any Govt. Department or a competent 

authority or acts of God (hereinafter referred to as eventualities), then 

provided notice of the happening of any such eventuality is given by either 

party to the other within fifteen days from the date of occurrence thereon, 

neither party shall, by reason of such eventualities be entitled to terminate 

this contract agreement nor shall either party have any claim for damages 

against the other in respect of such non-performance or delay in performance. 

2.23.2 Performance of the contract agreement shall, however, be resumed as soon as 

practicable after such eventuality has come to an end or ceased to exist. 

Provided that, if performance in whole or part of any obligation under the 

contract agreement is delayed by means of any such eventuality for a period 

exceeding six months, either party may, at his option, terminate the contract 

agreement provided further that in the event of such prevention or delay as 

aforesaid, then, instead of exercising the option, both parties may consult with 

each other with a view to agreeing between them the action mutually to be 


Date………………… 

28


taken in order to minimize the effects of such prevention or delay and 

continue the operation of this contract agreement. 

2.24 PERFORMANCE GUARANTEE BOND : 

Revised Clause 16(4) to Indian Railways General Conditions of Contract 

(Ref: Item-1 to Railway Board’s letter no.2007/CE.I/CT/18 Pt.XII dated 31.12.2010) 

The procedure for obtaining Performance Guarantee is outlined below: 

The successful bidder shall have to submit a Performance Guarantee(PG) within 30 

(thirty) days from the date of issue of Letter of Acceptance (LOA). Extension of time 

for submission of PG beyond 30(thirty) days and up to 60 days from the date of issue 

of LOA may be given by the Authority who is competent to sign the contract 

agreement. However, a penal interest of 15% per annum shall be charged for the 

delay beyond 30 (thirty) days, i.e. from 31 st day after the date of issue of LOA. In case 

the contractor fails to submit the requisite PG even after 60 days from the date of issue 

of LOA, the contract shall be terminated duly forfeiting EMD and other dues, if any 

payable against that contract. The failed contractor shall be debarred from 

participating in re-tender for that work. 

The successful bidder shall submit the Performance Guarantee (PG) in any of the 

following forms, amounting to 5% of the contract value: 

A deposit of Cash; 

Irrevocable Bank Guarantee. 

Government Securities including State Loan Bonds at 5% below the market value. 

Deposit Receipts, Pay Orders, Demand Drafts and Guarantee Bonds. These forms of 

Performance Guarantee could be either of the State Bank of India or of any of the 

Nationalized Banks; 

Guarantee Bonds executed or Deposits Receipts tendered by all Scheduled Banks; 

A Deposit in the Post Office Saving Bank; 

A Deposit in the National Savings Certificates; 

Twelve years National Defence Certificates; 

Ten Years National Defence Certificates 

National Defence Bonds and 

Unit Trust Certificates at 5% below market value or at the face value whichever is 

less. 

Also, FDR in favour of FA&CAO (free from any encumbrance) may be accepted. 

NOTE:-The instruments as listed above will also be acceptable for Guarantees in case of 

Mobilization Advance. 

The Performance Guarantee shall be submitted by the successful bidder after the 

Letter of Acceptance (LOA) has been issued, but before signing of the contract 

agreement. This P.G. shall be initially valid upto the stipulated date of completion 

plus 60 days beyond that. In case, the time for completion of work gets extended the 

contractor shall get the validity of P.G. extended to cover such extended time for 

completion of plus 60 days. 

The value of PG to be submitted by the contractor will not change for variation upto 

25% (either increase or decrease). In case during the course of execution, value of the 


Date………………… 

29


contract increase by more than 25% of the original contract value, an additional 

Performance Guarantee amounting to 5% (five percent) for the excess value over the 

original contract value shall be deposited by the contractor.” 

The Performance Guarantee (PG) shall be released after physical completion of the 

work based on ‘Completion Certificate’ issued by the competent authority stating that 

the contractor has completed the work in all respects satisfactorily. The Security 

Deposit shall, however, be released only after expiry of the maintenance period and 

after passing the final bill based on ‘No Claim Certificate’ from the contractor. 

Whenever the contract is rescinded, the Security Deposit shall be forfeited and the 

Performance Guarantee shall be encashed. The balance work shall be got done 

independently without risk & cost of the failed contractor. The failed contractor shall 

be debarred from participating in the tender for executing the balance work. If the 

failed contractor is a JV or a Partnership firm, then every member/partner of such a 

firm shall be debarred from participating in the tender for the balance work in his/her 

individual capacity or as a partner of any other JV/Partnership firm. 

The engineer shall not make a claim under the Performance Guarantee except for 

amounts to which the President of India is entitled under the contract (not 

withstanding and/or without prejudice to any other provisions in the contract 

agreement) in the event of : 

(i)Failure by the contractor to extend the validity of the Performance Guarantee as 

described herein above, in which event the Engineer may claim the full amount of the 

Performance Guarantee. 

(ii)Failure by the contractor to pay President of India any amount due, either as 

agreed by the contractor or determined under any of the Clauses/Conditions of the 

Agreement, within 30 days of the service of notice to this effect by Engineer. 

(iii)The Contract being determined or rescinded under provision of the GCC, the 

Performance Guarantee shall be forfeited in full and shall be absolutely at the disposal 

of the President of India. 

2.25 TRANSPORTATION OF MATERIALS. 

All the materials will be delivered by the Railways from the Railway Depot as 

indicated in Preamble. The contractor shall transport the materials from Depot 

to site of work free of charge. The Road permit will be issued by the Railway 

on demand of contractor. 

2.26 ASPECT OF VITIATION: 

During the execution stage or after completion of work, due to variation in the 

quantities of various items if it is seen that the contract is vitiated, the 

contractor will be paid only the lowest amount for the quantities executed, 

taking into account of all the valid offers for this tender. 


Date………………… 

30


SECTION – II 

CHAPTER – III 

FORMS OF TENDERS ETC. 

The following forma are being used in connection with works contract. Form No. 1 is 

with the tender document and other forms can be had from office of the 

CSTE/Constructuion/N.E.Railway/ Gorakhpur as and when needed on any working 

day. 

Form No. 1 : Offer Letter 

Form No. 3 : Agreement. 

Form No. 5 : Statement of Deviations. 

Form No. 6 : Standing Indemnity Bond for Stores supplied by Railway. 

Form No. 7 : System Performance Guarantee. 

Form No. 9 : Certificate for Joint Inspection of Cable Trench and Protective Works. 

Form No. 10 : Acknowledgement for receiving materials from Railways. 

Form No. 11 : Extension of period of completion of work. 

Form No. 12 : Qualification Experience. 


Date………………… 

31


FORM – 1 

OFFER LETTER 

To, 

The President of India, Acting through 

Dy.Chief Signal & Telecom. Engineer/ Con ( or his Successor ),N. E. Railway,Izzatnagar. 

I/We ———————————————————————— have read the various conditions to 

tender attached here to and hereby agree to ABIDE BY THE SAID CONDITIONS. I/We also agree to 

keep this tender open for acceptance for a period of 180 days from the date fixed for opening the 

same and in default thereof, I/We will be liable for forfeiture of my/our Earnest Money. I/We offer to 

do the work for——————————————(Name of work )section of ___________ Railway at 

the rates quoted in the attached Schedules and hereby bind myself/ourselves to complete the work 

within ( 4 ) months from the date of issue of Letter of Acceptance of the tender. I/We also hereby 

agree to abide by the General and Special Conditions of Contract and to carry out the work according 

to the Specifications for materials and works laid down by the Railways for the present contract. 

A sum of Rs. ----------------- only is herewith forwarded as “Earnest Money”. The full value 

of Earnest Money shall stand forfeited without prejudice to any other rights or remedies if, 

(a) I/We do not execute the contract Agreement within 21 days after receipt of notice issued by 

the Railway that such documents are ready or, 

(b) I/We do not commence the work within 10 days after receipt or orders to that effect. 

3. Until a formal agreement is prepared and executed the acceptance of this tender shall constitute 

a binding contract between us subject to modifications, as may be mutually agreed to between us and 

indicated in the “Letter of Acceptance” of my/our offer for this work. 

SIGNATURE OF CONTRACTOR(S) 

DATE: 

SIGNATURE OF WITNESS: 

1…………………………………… 

2-…………………………………… 

CONTRACTOR(S) ADDRESS 

………………………….. 

……………………………… 

ACCEPTANCE OF TENDERS 

I accept the tender as above and agree to pay the rate as entered in Schedule of rates and quantities. 

WITNESS 

1._____________________ 

2._____________________ 

DY.CSTE/ CON/ N.E.RAILWAY/ Izzatnagar 

for & on behalf of President of India. 

DATE_________ 


Date………………… 

32


SECTION-III 

CHAPTER-I 

RAILWAY TELECOMMUNIICATION SYSTEM ON SAID SECTION OF N. E. RAILWAY 

Contractor should consult site engineer and understand the telecommunication system exists 

in the section before starting the work 

1 Control CIRCUITS: 

1.1 The control circuits used in railway system are of omnibus voice control type 

wherein large number of telephones are connected across one voice channel in 

parallel at way side stations. The controller in control office is given the 

facility of selectively calling any station /control point for giving instructions 

or receiving information. No ringing facility is necessary from station or 

control point to controller as controller is always available at his place. It is 

also possible for any two or more stations to communicate with each other 

once they are called by controlled and are on line. 

1.2 The conventional control circuits work on Quad cable system. On AC traction 

the control circuits will work on 4 Wire system through underground cables. 

1.3 The following are the various arrangement by which the overhead circuits can 

be transferred to underground telecommunication cable . 

i) Optical fibre cable for control communication with Quad communication 

for Emergency communication. 

ii) Optical Fibre cable for control communication with 6 quad Copper cable 

for Emergency, Block & Gate operations. 

In case of option i & ii some times it may also be desired/recommended to also have 

mobile communication between Driver, Guard & adjacent ASM’s. 

2 Types of omnibus control circuits 

The following types of control circuits are provided on omnibus 4 W / 2W circuit. 

2.1 Train control: This circuit is operated by the section controller and is used 

mainly for controlling train movement . It has got connections with cabins, 

ASM’s office, Loco Diesel Shed and Yard Master’s office. 

2..2 DY. TRAIN CONTROL, : This circuit is operated by the Dy.Controller and is 

used for traffic operation in general and for Diesel Power, Wagon movement. 

It has got connections with important Station Master Offices, Yards Master 

Office, Loco Sheds and important Signal cabins. 

2.3 DIESEL POWER CONTROL: This is a special circuit and will be operated by 

diesel power controller. It will mainly be used for maintenance of diesel 

power. It has got connections with important Station Master office 

Loco/Diesel Shed Shed & Yard Master office. 

2.4 S&T CONTROL S&T Control is provided for communication with 

maintenance inspectors and maintainers on the way side stations. The control 

equipment shall be provided in the test room. 


Date………………… 

33


2.5 ORDER WIRE Repeater to Repeater communication circuit shall also be 

provided with tone dialing or Loud speaker calling system for the maintenance 

of repeater station and cable huts. 

2.6 OTHER CONTROL CIRCUITS: With the ever increasing requirements of 

instantaneous communication engineering control, commercial control, 

carriage & wagon control etc. is also being provided in some busy section of 

the railways 

3. POINT TO POINT COMMUNICATION FOR LEVEL CROSSING GATES 

For informing the manned level crossing gates in the block section , regarding 

approaching trains , communication is provided from the nearest station master / 

block cabin using magneto telephones ./DTMF Telephone. 

4. EMERGENCY CIRCUITS: 

4.1 The emergency telephone circuit have been provided for enabling the train 

crews to contact the controller in the event of an emergency/accident. This 

works on 4wire system and l not have facility for calling in field station by the 

controller. 

4.2 Emergency sockets has been provided in socket boxes mounted on suitable Rail 

post all along route at an interval of one Km.(Max.) generally in accordance 

with the approved tapping diagrams. In addition to the above emergency 

socket have also been provided at some obligatory locations i.e. LC gates , 

approach of long bridges. 

4.3 Communication for Disaster management: As an accident relief measure, DOT 

& Railway telephones are required to be extended to accident site as per 

Railway Board’s Letter No. 93/Safety/31/2 Dt. 1.2.93. channel provision is 

required to be made up to the nearest station and the circuits shall be extended 

to the site by drawing temporary cable when required. 

5. Administrative Trunk Circuits: Administrative Trunk Circuit whether departmental 

or DOT rented will be suitably transferred on OFC system. 

6. DATA CIRCUITS: PRS & FOIS circuits are data circuits which are normally located at 

considerable distance, hence provision for RS 232 or G.703 interface at remote 

location shall be required for the working of these circuits. During commissioning of 

OFC system, all these circuits will be transferred on OFC link. 

7. Other General Instructions: 

7.1 The Railway Control Telephone circuits, Block Circuits, Train wire circuits, 

Administrative Trunk Telephone circuits, Teleprinter circuits will be suitably 

transferred into underground OFC cables 

7.2 The circuit running in cable media will not be transferred into Railway 

signaling system. Similarly no signaling circuit will be provided 

telecommunication cable. Telephone circuit shall not be provided in signaling 

cable except those that are running from cabin to cabin are from cabin to ASM 

office. 


Date………………… 

34


7.3 Special protective measures (Viz. provision of G.D. tubes, fuses and earthing 

etc.) are required to be taken for telecommunication lines. 

8 SCHEME FOR OPTICAL FIBRE SYSTEM: 

8.1 The Scheme envisages the Supply, laying, testing and commissioning of long 

haul Optical Fibre Communication system for providing communication 

facilities as per channeling plan along with the Technical specifications given 

in the tender document. 

8.2 Optical Fibre Cable as per IRS-TC-55/2000 (with latest amendments), 24 

Fibres, is required to be provided in the section under consideration. Two Pairs 

of fibres shall be derived at every repeater The remaining fibres shall however 

be made through for end to end continuity. One pair of fibre shall be used for 

STM-1/4 as per tender schedule and the second pair shall be a ready spare duly 

terminated on pig tails with FC/PC connector. All the 24 fibers shall be 

terminated at repeater stations in Fiber distribution management system 

provided at every 40-50 Kms. to facilitate its long haul use. 

8.3 The Optical Repeaters/Drop & Insert equipments are required to be provided 

at every Railway station to cater for its communication requirements. The 30 

channel Drop/Insert MUX shall be fully equipped at every station. The 

Omnibus control circuits remote control, emergency and point to point 

circuits shall be extended to the user through PIJF/6 Quad telecom cable by 

using DTMF 4 wire or 2 wire way stations control equipment. 

8.4 Remote monitoring & network management system shall be provided for OFC 

Systems & MUXes etc. to monitor alarms & facilitate changes upto VF channel 

level remotely from Control station which may not be necessarily located in 

the link and in that event it shall be made operable from other available 

communication channels. 

8.5 The OFC system shall work on 48 VDC supply, and 230 V AC/48 V DC float 

charger along with Lead Acid / maintenance free Battery of adequate capacity 

shall be provided. 

8.6 Quad Telecom cable 0.9 mm (IRS-TC-30/97) has already been provided all 

along the route. This caters for – 

a) Block working between two adjoining stations. 

b) Communication to LC gates in the mid section from the adjacent station 

c) Emergency communication with sockets at every Km. in the block 

section and also from LC gates. A loop of Quad cable has been left at all 

L/C gates so that communication may be provided in future 

The emergency communication circuit shall be dovetailed with OFC system at VF level at 

every drop insert location at the station for communication with the Emergency controller in 

control office. 


Date………………… 

35


SECTION-III 

CHAPTER-II 

ROUTE SURVEY FOR OFC & QUAD TELECOM CABLE 

2.1 PRELIMINARY CABLE ROUTE SURVEY : The objective of this survey is : 

a) Designing and finalizing drawing for the proposed route of the 6 quad 

cable/O.F.C. Cable. 

b) Planning location of crossing tracks, over bridges, culverts etc. 

c) Deciding the cable termination location under the system. 

d) Deciding cable hut/drop and insert location under system design. 

e) Planning for extending control communication from cable termination 

location to various users in station area and other locations etc. 

2.2 POINTS TO BE COVERED UNDER THE PRELIMINARY SURVEY FOR CABLE 

ROUTE. 

2.2.1 Avoiding underground structures, Signalling cable, power cables and 

pipe lines etc. 

2.2.2 Avoid rodent/termite infested or infected side of the alignment 

2.2.3 Off set of the cable trench from the central line of the track such as 

having burrows. 

2.2.4 Avoiding proximity to chemical, paper and such other industries which 

discharge chemically active affluent. 

2.2.5 Avoiding areas prone to water logging. 

2.2.6 Avoiding large rock cutting/thick jungles and areas difficult to approach 

etc. 

2.2.7 Avoid the side of the alignment which is likely to be affected due to 

addition/alteration of earth work/super structures (such as doubling, 

shifting of alignment of the existing track etc.) For this, cable route 

should be discussed with construction and doubling organization. 

2.2.8 The orientation of the route (left or right side of the track in the 

sections(c) to be decided on following: 

i) That side of main line which is away from coastal side, other cables 

such as signalling and power. 

ii) Side which is likely to involve least track crossings and likely to be 

more convenient for crossing the track, bridges, culverts etc. 

2.2.9 Figure out and scale, crossing of roads, tracks etc. 

2.2.10 Scale out proposed arrangement of crossing bridges, culverts etc,. out of 

the many alternative available. 

2.2.11 Assess special problems, if any, of the section such as undulating 

surface, long cutting tunnels etc. 

2.12 Scale out the cable entry/exit arrangement at the cable termination 

locations. Avoid built up areas including those area where building etc. 

are likely to come up in future. 


Date………………… 

36


2.2.13 With engineering drawing already in hand, verify pathways/pedestrian 

crossing and other lateral clearances. 

2.2.14 Scale out the special work required if any and the manner of the cable 

route in approach of the existing bridges locations. 

2.2.15 Identify if any special lengths of cable is required to avoid joints on 

bridges/culverts etc. 

2.2.16 For the straight run as far as possible a separation of 10 Mtr. Should be 

kept from the nearest track This is as per CCITT recommendations K.8 

2.2.17 As a rule a minimum distance of 5.75 M should be maintained between 

the OHE masts & the cable. In yards etc., where observance of this rule 

may be difficult, aminimum distance of 3Mtr. Should be maintained. In 

exceptional cases where the cable trench depth is less than 0.5 Mtr the 

lateral distance may be reduced to 1 Mtr. In such trenches which are in 

close proximity to OHE masts, the cable should be laid in 

PVC/HDPE/RCC pipe. 

2.3 PROPOSED CABLE ROUTE PLAN 

The proposed cable route plan will show different locations against reference points 

which are also called chainages. There are two kinds of references points available in 

section on date. 

Kilometer stones of engineering department provided along with the track. 

Telegraph posts along with the track in section. 

In addition to above all major Engineering land marks like bridges, culverts, etc. can 

also be used for all reference points on cable route plan. There is a possibility that 

telegraph posts may be taken away by DOT at a later date, hence on completion of 

work, a completion cable route plan will be drawn, Which will also show locations of 

" socket indication posts". 

Any other reference point for the purpose bench marking, the cable route as discussed 

with Engineer in charge of work will also be shown on cable route plan. 

Based on above survey, the cable route plan should be prepared:- 

2.3.1 OFC / quad telecom cable route plan (5 Km. charts) with horizontal scale as 1 

km =10 cm The ASM's office, etc. are to be marked on the chart. 

2.3.2 Drawings of the laying of the cable in special terrain viz. Station yards, 

Approaches of cable huts, Long bridges, Culverts etc. are to be made as 1 Km. 

chart. (Scale 1km = 50 cm) to show the details. 

The name of location should be put in the LOC column and the 

chainages in the CH column. At every 10 cm the Km. post No. should be 

written and its exact equal chainages as per survey plan entered in the CH 

column. The equivalent chainage is required for working out the length of 

main cable required. The name of station should be shown against the 

locations of the SM’s office 

2.3.4 Based on the survey, the Sr. No. and the length of culverts, bridges and LC 

gates should be marked on the track line of the cable route plan. The survey 


Date………………… 

37


party should be supplied with prints of 5 Km. chart with the above details 

entered for enabling them to mark the route and other details after surveying. 

2.3.5 The actual measurement of the separation distance from the center line of the 

track (The adjacent main line) is to be shown on the 5 km chart. 

2.3.6 All the plans and drawings shall be neatly prepared by using CAD and Plotter 

etc. The drawings shall be in A3 size and suitably filed for ease of handling. 

2.3.7 Based on the requirement of various types of circuit proposed, channelling 

plan on OFC & 6 Quad cable is prepared. 

2.3.8 The requirement of tapping of different control circuit are assessed based on 

existing communication system in consultation with open line and a tentative 

tapping chart prepared 

2.4 INFORMATION IN CABLE ROUTE PLAN : The cable route plan shall contain 

following:- 

2.4.1 Whether the cable route is on north or south side of the Railway track. 

2.4.2 Approximate location and lengths where the cable shall be laid in pipes under 

the bed on culverts. 

2.4.3 Locations of track crossing and the number of tracks to be crossed. 

2.4.4 Locations of road crossings and the number of HDPE pipes to be provided 

2.4.5 Locations and length for protection of cable in rocky area and platform cutting 

etc. 

2.4.6 Locations of derivation joints, LC gates or emergency sockets posts will be 

provided on 6 quad cable. 

2.4.7 The size , length and route of derivation/PIJF cables from SM's office to 

various subscriber points. 

2.5 DETAILS OF CABLE ROUTE SURVEY 

The purpose of detailed survey is to undertake the closer study of the various existing 

telecommunication facilities, to work out the exact requirement of the OFC / 6 quad 

and derivation / PIJF cables and materials required for different items of work, finalize 

all the drawings and site plans required for the execution of the work and also to 

examine the details collected during preliminary survey and to affect necessary 

changes/modifications, if any. 

2.6 MAIN ITEMS OF WORK 

The following are the main items of work which should constitute the detailed 

survey:- 

2.6.1 Closely examine the proposed cable route and prepare cable route plans. 

2.6.2 Siting of Telecom building ,cable hut (drop insert equipments ) building & 

preparation of building plan. Siting of areas for loading/unloading of cable 

drums and siding facilities for the EMTs (Engineering materials, trains for the 

project) 

2.6.3 Preparation of route charts for derivation, PIJF cables with the size and length 

of the cables for each tapping and termination arrangement. 


Date………………… 

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2.6.4 Estimating of requirement of special cable lengths of cables for long girder 

bridges. 

2.6.5 Deciding location of each joint and preparation of a joint schedule and OFC 

cable dropping 

2.6.6 Determining earth resistively measurement of each cable section along the 

proposed cable route. 

2.6.7 Working out the exact length of derivation, PIJF cable required. 

2.6.8 Preparation of material schedule required for different protective works. 

2.6.9 Arranging isolated telephone circuits to be provided in the cab le. 

2.6.10 Investigation on special problems of the section and finding out proposed 

solution thereof. 

2.6.11 Examination of chemical composition of soil to see whether any special 

precaution are to be taken to protect cable from soil corrosion. 

2.7 FINALISATION OF CABLE ROUTE PLAN. 

The following are the guidelines for finalizing the route and preparation of the cable 

route plan:- 

2.7.1 Prepare the "5 Km. charts" as explained above showing the relevant chainages 

and details in the "5 Km. charts". 

2.7.2 Actual measurement by 30M steel tape or chain along the route is necessary 

only in case of important locations to be terms as "special terrains" for example, 

approach to repeater station/Cable hut, long bridges, big yards, sharp 

diversions in the cable route from its parallel course along the main railways 

track due to obstruction, cutting etc. 

2.7.3 Inspect and decide the portions of route falling in category of "special terrains" 

i.e. where actual longitudinal measurement is necessary. 

2.7.4 The remaining portions of the route i.e. other than the portion decided as 

"special terrain" are to be terms as "straight runs" . Actual chaining along the 

route is not necessary for such 'straight runs' and these can be marked on the '5 

Km. charts'. 

2.7.5 For the 'straight runs' on the cable route an allowance of 3.5 % of the drum 

length should be made for the contours ,joining etc. and each drum length 

should be considered to cover a route length of 0.965 x cable drum length. 

The cable route should be started from a repeater cable hut station. Actual 

measurement along the route should be done by means of a 30M steel tape for a few 

drum lengths up to a convenient point along the main line where from the distance 

along the route may be reckoned from the Plan. A termination allowance of 5M cable 

length inside the repeater station/cable hut building should be made, in addition to a 

length of about 10M being kept in a pit just outside the building. 

2.7.6 It should be ensured that both "special terrains" and "straight runs" should 

consist of full drum lengths, so that the position of joints (other than 'T' joints) 

is fixed without difficulty in both the cases. 

2.7.7 Actual measurements of the separation distance from the center line of the 

reference track, a reference track "special terrains".On 'straight runs' this 


Date………………… 

39


measurement should be made where necessary. In case of special terrains, the 

separation distance at some points on the route may also have to be reckoned 

from some other permanent structures depending upon the site conditions. 

2.7.8 The separation distance of the cable route from the nearest track on the 

"straight runs" should be 10M The deviating from this standard separation of 

10M should be kept to the minimum and as soon as any obstruction has been 

negotiated, the route should again follow this standard separation distance. It is 

desirable from the point of view of calculating the induced voltage that the 

uniformity of the separation is maintained for the maximum possible length of 

the main cable route. 

2.7.9 Separation distance should be marked on the "straight runs" portion of the 

cable route plan (5 Km. chart) at intervals of not more than 250 M In addition, 

the separation distance at points of change in the cable route such as 

diversions, track crossings, approaches to bridges, culverts, etc. should 

invariably be marked on the cable route plan in such a way as the intended 

cable route is clearly defined for "special terrain" the separation distance 

should be marked at as close intervals as is considered necessary depending on 

the site conditions. 

2.7.10 The route should be decided by walking along the track. On long stretches 

"straight runs" a push trolley moving slowly may be used . The trolley should 

be on the track closes to the proposed route. 

2.7.11 Actual measurement should be made for the protective works required for the 

cable passing over the culverts, under tracks, over long girder bridges, level 

crossings, rocky areas, under the bed of culverts etc. 

2.7.12 Once the cables are laid, the actual length of cable as per the printed marking 

on the cable is required to be indicated at every kilometer of cable route, at 

diversions, crossings, approaches of bridges and joints for optical & quad 

cables. 

2.8 FINALISATION OF TAPPING DIAGRAM 

2.8.1 The survey team should visit each location such as cabin, SM's offices, Loco 

sheds, cabins, gate lodges, etc. and verify the details collected during the 

preliminary survey of all the existing telecommunication facilities, and 

additional telecommunication facilities to be provided. 

2.8.2 The position of each tapping should thus be finalized and a final tapping 

diagram prepared. 

2.9 ISOLATED TELEPHONE CIRCUITS 

It is necessary that all the telephone circuits such as isolated quarry sites, gate lodges, 

etc. are taken note of and provision made for transferring the overhead alignment into 

cables wherever considered necessary. 

2.1 LENGTH OF OFC/6 QUAD CABLE 

The cable length is worked out on following basis to arrive at the locations of the 

straight joints:- 

a) Route length as per actual measurement plus contour allowances of 3.5%. 


Date………………… 

40


b) Extra length for track crossing including 2.5M loop on each side etc. 

c) Extra length on approach/crossing of the bridges and culverts as per 

measurement in the detailed survey. 

d) 10M of cable to be kept on either side of major steel bridges and 5M on 

minor bridges. 

e) At every joint a loop of 10M on either side. 

f) In cable hut a loop of 10M in the cable pit. 

2.11 SIZE & LENGTHS OF DERIVATIONS/PIJF CABLES AND ROUTE CHARTS 

The derivation/PIJF are required to be laid from ASM's office to cabins, enquiry & 

other operational points, depots, supervisor's residence etc. for extending control 

tapings. The plan and requirement of different sizes PIJF/derivation cables shall be 

suitably worked out. As for as possible derivation/PIJF cables shall be laid in the 

trenches for main telecom cables and branched off at suitable locations. 

PREPARATION OF JOINT SCHEDULES 

The details of type and number of joints in main 6 quad cables is required to be 

worked out based upon the location of emergency sockets, obligatory locations, LC 

gates etc. The typical drum lengths of 6 quad telephone cable is 1 Km. and therefore, 

it shall generally be possible to combine straight through and emergency joints. VF 

transformers 1quad/2T, 470:1120 shall be used. Phantom will be derived at all 

emergency sockets and repeaters. 

2.12.1 No isolation transformer is considered necessary for LC gate & other location 

telephones up to a distance 7.5 Km. on 6 quad telephone cables. 

2.12.2 The jointing schedule shall be made as straight line diagram indicating the 

locations of various joints with reference to chainages. The length of 6 quad 

cable from leading cable hut / ASM's office shall be specifically indicating 

taking into account the factory printed markings on the cables. 

2.12.3 The requirement of termination boxes for cables at various locations shall be 

worked out. 

2.12.4 The termination of cable should be done in very neat & clean fashion, so that 

there is no chances of touching one wire with other wire or getting earth, in 

naked condition 

2.12.5 The 12 pair C.T. boxes should be fixed at every stations & L.C.gates etc., as per 

direction of site engineer. 

2.13 MATERIALS REQUIRED FOR PROTECTIVE WORKS FOR QUAD CABLES 

2.13.1 The cables are meant for direct burial underground and no special protection is 

required in plain normal territory. For building, masonry platforms, culverts, 

crossing of tracks, level crossings and roads etc. special protection for the cable 

is required . Some of the methods adopted for different types of protective 

works are specified in the following drawings:- 

i) For girder bridges, G.I. pipe / HDPE pipe medium grade with ISI mark 

ii) For cable entries to cabins, ASM's office etc. through GI pipes as per 

Drg. No. CSTE/ CON / OFC – 1 /2004. 


Date………………… 

41


iii) For cable terminations in ASM's office as per Drg. No. Dy.CSTE/ CON / 

W – 52 /2005. 

iv) For cable jointing pit the cable trench as per Drg. No. CSTE/ CON / 

OFC – 18 /2001. 

2.13.2 Actual measurement should be made for the length for which special 

protection is necessary and the requirement of materials for the protective 

works should be worked out. The requirement of materials based on the actual 

measurement should be shown in the cable route plan at the appropriate place. 

2.14 SPECIAL PROBLEMS OF THE SECTION: 

2.14.1 Certain Sections may present special problems such as presence of chemically 

active soils, marshy areas, deep cuttings in the rocky areas, requirement of 

specially constructed platforms for distribution of cable drums along a high 

embankment etc. 

2.14.2 Approaches to large bridges may also present special problems due to high 

embankment as well as deep ravines. 

2.14.3 The survey party should inspect and report to Dy.CSTE/DSTE (whosoever is 

in-charge of field unit) such problems at the very outset so that suitable 

solutions can be worked out. 

2.15 ADDITIONAL MATERIALS REQUIRED FOR PROTECTIVE WORKS FOR OFC 

CABLES :- The minimum depth of trenches for OFC cables should be as described 

in the scheduleof work. OFC cable must be laid in HDPE pipe (HDPE duct) through 

out the route. This will avoid possible breakage of fibre due to vibrations of trains 

moving on track. The site engineer will remain present during progress of work, who 

will keep a watch on correct laying practice. 

2.16 COMMUNICATION ARRANGEMENT IN MAJOR YARDS & STATIONS 

In big yard and major stations involving large number of cabins/Depot/Tapping 

points, it may not be practicable to lay independent derivation cables for various 

locations. Therefore one main cable shall be laid to transverse in a zigzag way through 

the yard involving frequent tapping points. Lead sheath derivation., 6 quad or higher 

size PIJF cable may be laid for this purpose. The circuits should preferably be tapped 

through V.F. transformers. 

2.16.1 The typical layout of OFC hut is given in Drg. No. Dy.CSTE/Con/East/12.2001 (MW). 

2.16.2 There should be sufficient area available near the building for installation of earthing 

system. In certain locations this may require large area so as to achieve low resistance 

of earthing for which an electrode grid consisting of 30 or 40 rods with 5.0 meter 

spacing is to be installed or a large ring of earthing will have to be buried. 

2.16.3 Preference should be given for housing OFC cable hut in existing Microwave 

Repeaters, Telephone building etc. 

2.16.4 Selection of site for cable hut, route survey as well as laying of cables shall be 

in consultation with site engineer. 


Date………………… 

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SECTION –III 

CHAPTER – III 

TECHNICAL SPECIFICATION AND INSTRUCTIONS FOR TRENCHING AND LAYING OF 

UNDERGROUND TELECOMMUNICATION CABLE AND PROTECTIVE WORKS 

3.1 SCOPE: 

This chapter deals with the specifications under which the various work for trenching & 

laying of underground telecommunication cables coming under the purview of the contract 

are to be executed by the contractor. 

SUPPLY OF TAPPING & ROUTE PLAN 

Cable route plan, Tapping plan and splicing/jointing schedule for splicing/jjointing of cable 

will be prepared and supplied by the contractor in consultation with the site engineer before 

the commencement of the work. This shall give a fairly accurate idea of the number & 

locations of the various tapings required on various circuits and the quantities and type of 

various equipment to be fixed, wired and commissioned. These shall be got approved from 

the Engineer. 

INSTRUCTIONS FOR EXCAVATION & BACK FILLING OF TRENCHES 

The representative of Engineer in charge of the work will mark the route of the cable 

in white chalk or lime as per the tapping and route plan and the instructions given to him by 

the Engineer, not with standing the cable route shown in the tapping and route plan to meet 

the requirement of local conditions at site, if any and as required shall be taken by the 

contractor to be final. The contractor shall be present at the time of marking and he shall 

furnish to the engineer's representative required quantities of lime, rope labour etc. for 

carrying out this work. The marking will be given on the track side of the trench at a 

distance approx. one meter away from the center line of the trench. In the difficult terrains 

such as water logged areas, the position of the cable route will be specified by off sets from 

the center line of the nearest track.\ 

Trenches for telecommunication cable shall normally be done as per Drg. 

No.Dy.CSTE/Con/OFC-1/2001(MW) i.e. but digging to a depth of 1.65 meter or 1.2 Meter or 

1.0 Meter) as specified in schedule of work. The width of the trench shall be 300 or 400 mm 

or as per schedule of work. In places where underground pipes, electric main etc. come in the 

way, trenches deeper than 1.65 meter shall be dug as necessary and HDPE pipes shall be 

placed to protect the telecom cables. 

Metalled, mecademised, concrete and stone paved roads shall also be cut to a depth of 

at least 1.2 meter. The cable shall be laid through HDPE pipe as per Drg. No. CSTE/ CON / 

OFC – 2 /2004, but depth should be 1.65 meter (instead of 1.2 meter) or through trenchless 

method at a depth of 1.65 Mtr, as per direction of site engineer. The road surface shall be 

restored to original. 

The bottom of the trench where the cable is to be laid shall be thoroughly prepared 

and shall be free from any stones. The bottom of the trench shall be horizontal and shall in 

no case be undulating. When the cable bed changes from solid to soft surface or from the 

bridge to soft soil, tamped fill at the transition point shall be provided so that cable is not 

pressed against the edge of a hard surface. 


Date………………… 

43


In the cable route, brick covering is required to be provided for Quad cable as per the 

approved 'Tapping route plan' (i.e. about 1.25 Km both sides from the ASM/SM room, in the 

station limit area) or as per instructions of the site engineer. The contractor shall arrange 

supply and distribution of well burnt bricks of standard size at site, along the station limit 

portion of excavated trenches and after uniformly covering the cable laid in the trenches by 

Stone-free sieved soil up to 50mm height above the cable, he shall arrange to place the bricks 

flat and position them breadth wise so that on an average, 8 (eight) bricks shall be laid in a 

meter length. (NOTE: In order to be certain that the full requirement of bricks has been 

arranged by the contractor for placing on the top of the cable to be laid on any day, he shall 

arrange to spread the bricks side by side on the top of the trenches before the depth of the 

trenches are inspected by the Railway representative.) 

The back filling of trenches shall be done by tamping and consolidating the excavated 

soil in layers of 15-20 cm at time. All the soil that is excavated shall be put back to the trench 

and care shall be taken in consolidation to ensure that the back filling does not suffer any 

sinkage in monsoon. The left out earth if any within station limit has to be thrown out from 

Railway premises by the contractor at his own cost. 

Wherever the Engineer's representative considers it necessary to adopt shoring, the 

contractor will be required to adopt shoring for which the contractor shall have sufficient 

quantities of shoring material on hand. Where the direction of trench has to change, it 

should be done in a gentle curve of not less than one meter radius and not at sharp angles. 

Places where back filling is not done properly are likely to get water logged with the 

first rains after completion of the work, the contractor and engineer's representative will 

inspect the entire section soon after the first monsoon and the contractor will arrange to set 

right such areas. 

TRACK / BUSY ROAD CROSSING Cables, crossings across railway tracks/busy roads 

etc. shall be done in G.I. pipes, taking the cable through these pipes. The contractor shall 

cross the railway track / busy road by excavating trenchless method at a depth mentioned in 

schedule, where ever necessary on the direction of site engineer. Two G.I. wire of 10 SWG 

size shall be threaded through G.I. pipe, one to pull the cable one for future use. 

ROAD CROSSING 

When crossing road ways it is necessary to lay the cables in such a manner as to avoid 

the necessity of handling the cable sharply and minimize the excavation of road surface as far 

as possible. Where cable is laid in surfaced trunking, the trunking alignment should be 

curved down to the pipes and proper bricks or concrete joint should be made between 

trunking and pipe. 

The crossing of main roads often involves difficulties especially if traffic is heavy , 

precautions to avoid accidents to workmen, pedestrians and vehicles should be taken. on 

minor roads which can be temporarily closed to traffic it is possible to open up and cross the 

entire width of the road. Pipes should be installed quickly in the cutting which is then filled 

in there by reducing to a minimum time for which the road is closed. 

Track crossing and crossing at busy roads should be done through trenchless method 

according to schedule of work. 


Date………………… 

44


Drg. No. CSTE/ CON / OFC – 2 /2004.shows the arrangement of HDPE pipe trunking 

under metal roads but depth should be as per schedule of work & as per direction of site 

engineer. 

CABLES OVER STEEL GIRDER BRIDGES 

Cable may be laid through G.I. pipe / HDPE pipe on steel girder bridges or by way of 

High Depth Drilling (HDD) trenchless technogy method using HDPE pipe as per direction of 

site engineer. 

Where the cable has to cross the steel girder bridges, the cable shall be protected with 

G.I. pipe/HDPE pipe fitted on the steel girder bridges with suitable galvonised clamps 

without drilling holes in the girders. Arrangements for laying the cable over girder bridges 

shall be similar to one shown in Drg. No. CSTE/Con/OFC-4/2004 or by way of High Depth 

Drilling (HDD) trenchless technogy method using HDPE pipe as per direction of site 

engineer. 

When laying cable on long bridges, the question of longitudinal expansion caused by 

temperature differences should be taken into consideration and suitable cable loops should be 

provided at the pillars of the bridge. 

The laying of the cable on the bridge is to be done with much care and planning. it is 

necessary that the cable drum to be laid on the bridge is inspected and tested thoroughly so 

that damaged cable is not installed. 

As the laying involves movement of large number of staff over the bridge the line 

should be blocked and flagman posted on either side . on a double line near which the cable 

is being laid should be blocked but care should be taken to see that staff are aware of this and 

measures taken to prevent staff from staying on to the unblocked line. 

3.6 TO CROSS THE CULVERTS & BRIDGES 

3.6.1 Where feasible the cable shall be laid under the bed of the culvert, using High Depth 

Drilling (HDD) trench less technology method using HDPE pipe as per tender 

schedule as well as per direction of site engineer. up to a length of approximately 100 

meters. 

3.6.2 In case of wet culverts or unfriendly terrains where it is not feasible to lay cable under 

the bed of the culvert through trench less method using HDD system, the cable may 

be laid over the culvert in HDPE pipe as per Drg No. CSTE/Con/OFC-9/2001 

3.6.3 The protection of cable on Arc Bridges & approach to culvert & bridges should be as 

per Drg. No. CSTE/Con/OFC-10/2001 

CABLES IN MARSHY AREAS In marshy area where it is not possible to divert 

the cable route the cable shall be suitably laid and protected as per decision of site engineer 

depending on site condition, like laying cable in HDPE pipe / RCC pipe supported on 

masonary pillers/iron channels etc. 

LAYING OF MAIN / DERIVATION CABLE IN MASONARY BUILDINGS & 

CABINS: 

When Cable will have to be laid inside any masonry building such as cable hut, ASM's 

room at a depth of 0.75 M by cutting the masonry structure of the wall as per Drg. No.CSTE/ 

CON / OFC – 1/2004. After the cable has been led inside the masonry wall the floor inside 

shall be duly repaired and plastered. 


Date………………… 

45


When a cable has to be taken and terminated on the Ist. floor cabin it shall be first led 

inside the ground floor of the cabin by cutting the masonary structure of the wall of the 

cabin and then it will be taken through a HDPE pipe fixed vertically on the inside of the 

cabin wall by suitably clamps to be embodied on the wall as per arrangement shown in 

Drg.No. CSTE/ CON / OFC – 1/2004. 

3.9 LAYING OF CABLE IN SPECIAL CASES 

3.9.1 NEAR POWER CABLE :When the contractor comes across any other cable already 

laid, he shall first report the fact to the engineer .& cable should be identified by 

the Engineer as a power cable (LT or HT). the trench shall be dug as far away from the 

route of the power cable as practicable. 

3.9.2 CROSSING OF TLECOMMUNICATION CABLE WITH ANOTHER CABLE: Crossing 

of the telecommunication cable with another cable shall be avoided wherever 

possible. Where however, this is not possible, the telecommunication cable shall be 

laid in cement or asbestos cement pipes. The length of pipe of to be provided on either 

side of the crossing shall be at least one meter. 

3.9.3 LAYING OF OTHER THAN TELECOM. CABLE IN THE SAME TRENCH 

No other cable shall be laid in the trench for the telecommunication cable. Where, 

however, exceptional circumstance exits, the telecommunication cable may be laid 

along with another cable in the same trench provided a specific permission of each 

such case is obtained in writing from Engineer. When telecommunication cable and 

L.T power cable/ Signalling cable have to be laid in the same trench they shall be 

separated by placing a layer of brick between them vertically (approx. 16 bricks/ 

meter) or laid in HDPE pipe. 

3.9.4 LAYING OF CABLE THROUGH PIPES. 

i) The cable shall be laid through G.I./HDPE pipes at the locations marked on the 

tapping and route plan and as advised by the Engineer or his representative. 

ii) Laying the cable through pipes galvanized steel wires of a cross section not less 

than 10 SWG shall be used as a lead wire. Two such lengths of wires shall be 

laid through the pipes, so that after the cable is threaded through the pipe, one 

lead wire is permanently left in the pipe with a suitable overlay at two ends, to 

eagle the cable to be pulled out at a later stage if required to do so. 

iii) On arch bridges and culverts bridges the cables will be threaded through 

GI/HDPE pipes etc. while threading the cable through these pipes the 

contractor shall do the trenching to the required depth wherever necessary for 

which no extra charge will be paid. 

LAYING NEAR OILY SURFACE. If during the excavation of trenches for laying 

cables the contractor or his representative notices the presence or oil or oily substance or any 

other chemical which is likely to cause the deterioration of the cable protective material he 

shall bring the matter to the notice of the engineer or his representative and on the latter's 

decision he shall choose an alternative cable route or he shall protect the cable in such places 

in such a manner as advised in writing by the engineer or his representative. No additional 

charges are payable. 


Date………………… 

46


SPECIAL SOIL CONDITION.:Cable should not be run through abnormally high 

acidic or alkaline soil or through sewages. If this is unavoidable special measures should be 

taken against corrosion as advised by the engineer in charge. 

PROTECTION AGAINST DAMAGE DUE TO SHARP EDGES. When cable are laid in 

trunking care should be taken to see that no ballast or stones have been dropped inside the 

trunking, should be cleared of all ballast and stones before the cover is secured. When the 

ends of covers are joined together with cement plaster a piece of paper or wood should be 

placed under the joint to prevent the cement plaster from falling on the cables. 

HANDLING OF CABLE DRUMS & LAYING OF CABLES: 

The drums shall be unloaded by the side of the Railway Track from either a crane or 

any other suitable means very carefully so as not to cause any damage to the cable. The 

drums at site shall be protected until they are laid. 

On each drum there are two ends, A&B. The 'B' end of one cable length shall meet 'A' 

end of the next cable at a joint. The 'A' end shall be normally on the top unless indicated 

otherwise on a drum. 

The drums shall always be kept upright i.e. axle in parallels position to the base. The 

drums shall not be set by jerks but shall be handled slowly and with care. The walls of the 

drums should not be damaged while moving the drums if required for unrolling. 

The drums shall normally be unrolled at the same place and the cable carried by 

workmen near the trench. The drums shall not be dragged in any case , but where drums of 

cable have to be moved would always be rolled in the direction of the arrow, otherwise the 

coils tend to unwind and the cable may get battered. In case no direction arrow is marked on 

the drum remove several battens and determine the direction in which the cable is coiled. 

The arrow should then be painted on the drum pointing in the opposite direction in which 

the upper cable end is coiled so that future handling of the cable drum is facilitated and then 

replace the battens carefully. 

The drum should be properly mounted on jacks (or on a cable wheel) making sure 

that the spindle is strong enough to carry the weight without bending and that it is laying 

horizontally in the bearings so as to prevent the drum creeping to one side or the other while 

it is rotating. Before attempting to pull off the cable , remove the end protection box attached 

to the flange of the drum and cut the security ropes so as to leave the cable and free to move. 

If a portion of the cable only is taken out from the cable drum, the battens should be 

immediately replaced to prevent damages to the balance of the cable . This is important. 

With armoured cables having Hessian serving it is possible under extreme conditions 

for the bitumen to soften and cause adjacent turns of the cable on the drum to stick to each 

other. In such cases, particular care must be taken to pull the cable of these drums very 

slowly and to free the cables carefully from the adjacent turns on the drums. Snatching of 

the cable to cause it to break away may result in kinks and damage, small size cable require 

care in this respect. 

The use of steel bars between the bolt heads to 'jump' or turn the drum around is 

dangerous to staff and likely to damage the drums . A better method is to use two steel plates 

with grease between them by standing the drum on these greased plates, it can be easily 

turned round to the desired position. 


Date………………… 

47


All care should be taken in handling cable drums with a view to ensure safety not of 

the cables but also of the working party handling them. The man should not be allowed to 

brake the cable drum by standing in front but only from side. 

3.11. REWINDING AND REDRUMING OF CABLES. 

i) If for any reason it is found necessary to rewind a cable on a drum, cable drum 

with a proper barrel diameter not less than of the original drum should be 

chosen. 

ii) The drums should be mounted on cable jacks during rewinding operations 

using proper size of spindles passed through the flange holes which will 

not buckle under the lead. The cable should not be bent opposite to the set it is 

having already. 

iii) In the redruming operations the full and empty drums should be so turned that 

the cable passes from the bottom of the original set as little as possible\ 

iv) Replace all the laggings on the cable drum. 

3.12 CABLE LAYING: 

3.12.1 It is advisable to employ the same people at the same place or job while cable is being 

laid. 

3.12.2 Before commencement of the laying inspection of the trench and inspection of 

protection works should be carried out so as to ensure their conformity with the 

specification. The trench bottom should be clean, smooth and free of small stone. 

When the soil contains stone or pieces of rock and therefore cannot be raddled, sieved 

earth about 10 cm thick should be used both for the bedding on which the cable is 

laid and for covering the cables. 

3.12.3 The cable drum should be brought as close to the cable trench as possible. it should be 

lifted with the aid of cable jacks firmly mounted on a support of stone or wood . The 

spindle should be minimum of 55mm diameter and lower edge of drum should be 5 to 

10 cm above the ground. 

3.12.4 Where necessary the cable drum may be placed at such a point so that 2/3 of the cable 

is laid directly and the balance in other direction. Care should be taken in such a case 

to see that there is no kinks or loops in the cable. 

3.12.5 The wooden battens on the drums should be carefully removed shortly prior to laying 

and before the drum is mounted on the jack. The nails on the lagging should be 

carefully removed. 

3.12.6 While rolling a cable drum for laying the drum shall be supported on an axle running 

through its center the height of the axle being such that the end frames are free to 

rotate and do not touch the ground at any point. The cable shall be carefully uncoiled 

by gently pulling the cable assisted as necessary by carefully turning the drums quick 

pulling of the cable or turning the drums shall be avoided at all costs. Each cable drum 

shall be braked while laying is in progress to prevent sharp bending or buckling, 

particularly when the cable coils are sticking together. 

3.12.7 The following personnel shall be employed near the drum. 

1 Man : for handling the brakes. 

1 Man : for permanent observation of the uncoiling of cable. 


Date………………… 

48


2 Men : for uncoiling close to the drums. 

3.12.8 The method of mounting the brakes is shown in Drg. No CSTE/ CON / OFC – 13 

/ 2001. 

3.12.9 When drums are turned for change of direction , wooden blocks shall be carefully put 

under the drum bolts which stand out from the drum discs. 

3.12.10 It is customary for the mate to stand in a commanding position where he can view 

the entire route and shout evenly timed calls to his men to pull. If there is proper 

synchronization between the mate's calls and the pulling by the men, the cable will 

leave the drum without difficulty. It is important that the cable should be pulled with 

steady and even pulls and not be unnecessarily jerked or strained. On no account 

should a cable be allowed to twist or kink as this is likely to spring the Armour and 

fracture the paper insulation and outer serving of the cable. When pulling cable 

around bends, one or two men should be stationed to give the cable the correct bend 

when it passes. 

3.12.11 When the cable drums are exposed to great heat before laying, them danger exists 

that the individual coils and layers stick together in spit of the half overlay Special 

attention should be paid to see that no buckling of the cable occurs while pulling the 

cable. A man should stand near the drum and loosen the cable carefully by hand and 

shout a warning whenever the cable can not be loosened. Separation must be affected 

as close to the drum as possible as otherwise kinks may result. The rate of pulling 

should also be slow to prevent possible damage to cable that is being carried when the 

paying out stops . The drum should be kept in shade where possible. 

3.12.12 While laying the cable employ adequate number of men such that the cable can be 

conveniently carried by them in both hands without stretched arms. The distance 

between any two persons carrying the cable shall be from 2 to 10 meters depending 

upon weight of cable such that the maximum sag of the cable between any two 

persons is not more than 0.5 meters 

3.12.13. The cable shall be gently drawn by pulling the cable which may be assisted as 

required by smoothly and slowly turning the winch. The cable shall not be twisted on 

any account. 

3.12.14 Before laying is commenced the cable shall be uncoiled first in a straight line 

supported by men and then carried to the trench and laid gently & carefully. Cable 

should be laid as per Drg. No.Dy.CSTE/C/W-15/2006(MW). 

3.12.15 While the laying work is in progress one man must continuously observe the cable 

and feel along its length in order to determine whether any indentations. holes or 

other damaged parts are apparent. Such damaged parts have to be protected 

immediately by the cable jointer provided with the laying party. 

3.12.16 When two or three turn of cable are left on the drum the pulling should be stopped 

and the inner end of the cable removed from the slot in the drum. pulling should then 

be continued. if this is not done the cable end is likely to be stretched and damaged. 

3.12.17 The ends of the telecommunication cable should have an overlap of 1 M at the end of 

each drum for jointing purpose. 


Date………………… 

49


3.12.18 The conditions of the cable shall be visually inspected through out its length and in 

case any damage or defect is noticed, the trench shall not be filled up until the 

engineer's representative in notified to examine and authorize filling of the trench. 

3.12.19 MINIMUM BENDING RADIUS: Cable should always be bent ( or straightened) 

slowly; They should never be bent to small radius while handling. The minimum safe 

vending radius for telecommunication cables should be 30 times the diameter of the 

cable but wherever possible larger radius should be used. 

3.13 CABLE RESERVE: 

a) At the following locations, it will necessary to provide reserve cable for future 

possible use. 

(i) Where a change to cable line is expected, the reserve to be allowed 

depends on circumstances. 

(ii) In freshly banked soil to allow for slipping of the bank an allowance of 

30 cm. should be provided for every 10M of trench (3%).The cable 

should be laid in a sinuous form. 

(iii) Near roadways, buildings and culverts reserve of 5 M should be allowed 

at drum end . 

(iv) On each side of girder bridges a reserve of 10M should be left. 

(v) Where remodeling works on culverts, bridges and track doubling work 

are going on, it may be necessary to kept loops of cable as an extra 

reserve pending finalization of its future route. 

(vi) At the cable hut a loop of 10M in the cable pit & At every joint a loop 

of 10M on either side. 

FRP CABLE ROUTE MARKER: 

3.14.1 The FRP CABLE ROUTE MARKERS shall normally be provided at the 

distance of every 100 Meter on the cable route and also at places or corners 

wherever the route of the cable changes, as per direction of site engineer. The 

cable joint markers shall be provided at all types of cable joints, as per 

direction of site engineer. The cable route makers and cable joint markers shall 

be provided & installed as per Drg.No.JBP/ S&T/C/083 & as per RDSO 

specification No.RDSO/SPN/151/1997 with latest amendments. 

3.14.1 The FRP CABLE ROUTE MARKERS shall normally be provided at the 

distance of every 100 Meter on the cable route and also at places or corners 


cable joint markers shall be provided at all types of cable joints, as per 

direction of site engineer. The cable route makers and cable joint markers shall 

be provided & installed as per Drg.No.JBP/ S&T/C/083 & as per RDSO 

specification No.RDSO/SPN/151/1997 with latest amendments. 

3.14.2 TEC APPROVED ELECTRONIC MARKERS shall normally be provided at a 

distance of every 100 M on the cable route and also at places or corners 


inter spacing between the adjascent FRP CABLE ROUTE MARKER & 


Date………………… 

50


ELECTRONIC MARKER should be 50 Mtr (& in no case less than 50Mtr in 

straight path). 

3.15 LAYING OF DERIVATION CABLE: 

The derivation cable are required to be laid from cable hut to the subscriber 

premises (ASM, Cabin Depots, Residence, LC gates, etc.) and from main cable 

trench to emergency post for extending control and other tapings . The plan & 

requirement of PIJF/derivation cables shall be suitably worked out and got 

approved from the Engineer well in advance. 

As far as possible derivation/PIJF cables shall be laid in the trenches/protective 

works already done for 6 quad cable. From the diversion point, cables shall 

have to be laid on independent trenches. For taking out different tapings on 

route, the cable may be tapped at different locations. However, it must be 

ensured that every tapping is taken on independent conductors right from 

cable hut to the subscriber for ease of isolation in case of malfunctioning. 

All the required protective works shall be implemented for protecting these 

cables. 

TOOLS REQUIRED FOR TRENCHING, CABLE LAYING AND FILLING : Normally 

in addition to the tools mentioned below all tools & plants required to speed up the cable 

laying through mechanized methods will generally be utilized by the contractor. 

Sl.No. Tools Name S.No. Tools Name 

1 Cable jack 18 Measuring cord for strain gauge 

2 cable grip 19 Slip winch 

3 Reopening device 20 Wire rope 

4 Free hood hook 21 Portable VHF set 

5 Shackle free head hook 22 Measuring tape 

6 Grouling hook. 23 Fawrah 

7 Pulling bolt 25 Loader backhoe for drilling 

8 Tension meter 26 Warning tape 

9 Pulley 27 Caterpiller Tractor 

10 Anti twist device (swivel) 28 Fork lifter 

11 Roller 29 Vehicle Van type 

12 Flexible cable 30 Tacho meter 

13 Pulling Rope 31 OTDR 

14 Brush 32 Automatic Splicing Machine (Fusion type) 

15 Road measurer. 33 Cleaving Machine/tool 

16 Mandrel 34 Optical talk set etc 

17 Chain 


Date………………… 

51


SECTION – III 

CHAPTER – IV.a 

JOINTING OF OFC & QUAD TELECOM CABLE AND ACCEPTANCE TEST 

JOINTING AND TERMINATION OF FIBRE OPTIC CABLE 

4a.1 Techniques for jointing of fibre optics cable 

4a.1.1 Following types of techniques are used for splicing of fibres 

a Mechanical splicing : This align the axis of the two fibres to be 

joined and physically hold them together. 

b Fusion Splicing: This is accomplished by applying localized heat at 

interface between two butted , pre aligned fibre ends, causing them 

to soften and fuse together. 

4a.1.2 Mechanical splicing can be used for temporary splicing of fibres or when 

fusion splicing is impracticable or undesirable. At all other locations and 

during initial installation of fibre optic cable, fusion splicing should be 

adopted. 

4a.2 STRAIGHT JOINT FOR FIBRE OPTIC CABLE : 

4a.2.1 There are various types of joint enclosure available in the market. 

Procedure for assembly of joint closure is described in the installation 

manual supplied with the straight joint closure. This includes the following. 

A Material for joint closure kit 

B Installation tool required 

C Detailed procedure for cable jointing 

D Procedure for reopening of closure 

4a.2.2 The optical fibre straight through joint shall be as per 

RDSO/SPN/TL/25/98 with latest modification. The joint shall be protected 

with brick chamber as per given drawing. (cable pit for OFC joint ) 

4a.2.3 However, following steps are involved for jointing of cable: 

Preparation of cable for jointing, Stripping / Cutting of cable, Preparation of 

cable & joint closure for splicing, Stripping and cleaving of fibres, Fibre 

splicing, Organizing fibres & finishing joints ,Sealing of joint closure & 

Placing joint in the pit. 

4a.2.3.4 Preparation of cable for jointing: During the installation, a minimum 

of 10 meter cable of each end is coiled in the jointing pit to provide for 

jointing to be carried out at convenient location as well as spare length to 

be available for future use in case of failure. The pit size must be chosen 

carefully to ensure the length of wall on which the joint is to be mounted is 

greater than the closure length plus twice the minimum bending radius of 

the cable. A pit length of 1.0 meter is sufficient for most of the cable and 

joint closure. Bracket to support the coil are also fixed on the wall of the pit. 

The cable is then coiled on to the pit wall in the same position as required, 

after the joint is complete. The marking done on all the loops so that it will 

be easier to install it later. The distance from last centre to the end of the 


52 

Date…………………


cable must be at least 1.8 meters . This is being minimum to be stripped for 

preparation of joint. Sufficient cable at each end up to the jointing 

vehicle/enclosure is then uncoiled from the pit for jointing. 

4a.2.3.5 Stripping / Cutting of cable: The cables are to be stripped of their 

outer and inner sheath with each sheath staggered approximately 10 mm. 

From the one above it. Proper care must be taken when removing the inner 

sheath to ensure the fibres are not to be scratched or cut with the striping 

tool. To prevent this , it is the best to only score the inner sheath twice on 

opposite side of the cable, rather than cut completely through it. The two 

scores marking on either side of the cable are then stripped of the inner 

sheath by hand quite easily. The fibres are then removed from the cable 

one by one and each fibre is cleaned individually using kerosene to remove 

the jelly. 

4a.2.3.6 Preparation of cable & joint closure for splicing: The type of 

preparation work performed on the cable prior to splicing differs on the 

type of closure & fibre organizer used . However the following steps are 

usually common : 

4a.2.3.7 The strength member of the each cable are jointed to each other 

and/ or the central frame of the joint closure. The joint closure is assembled 

around the cable. The sealing compound of or heat shrink sleeve is applied 

to the cables and the closure, or prepared for application after splicing is 

complete. The fibre are protected (usually with plastic tubing) in their run 

from cable core to fibre organizer trays. (Particularly if cable construction 

is slotted core type). Tags which identify the fibres numbers are attached at 

suitable location on the fibres. Splice protector are slipped over each fibre 

in readiness for placing over bare fibre after splicing. 

4a.2.3.8 Stripping and cleaving of fibres : Prior to splicing each fibres must 

have approximately 50 mm. of it's primary protective U.V. cured coating 

removed, using fibre stripper which are manufactured to fine tolerances 

and only score the coating without contacting the glass fibre. The bare 

fibre is then wiped with lint free tissue doused with ethyl alcohol. Cleaving 

of fibre is then performed to obtain as close as possible to perfect 90 degree 

on the fibre. 

4a.2.3.9 Fibre splicing : Two types of method can be used for splicing as 

already discussed. Some of the basic steps for both the types are as under : 

4a.2.3.10 Fusion Splicing of the Fibre: This is accomplished by applying 

localized heat at interface between two butted , pre aligned fibre ends, 

causing them to soften and fuse together. Some of general steps with full 

automatic microprocessor based splicing machine are as under: 

4a.2.3.11 Wash hands thoroughly prior to commencing this procedure. Dip 

the clean bare fibre in the beaker of Ethyl Alcohol of the ultrasonic cleaver. 

Switch on ultrasonic cleaver for 5-10 seconds. ( Some manufacturers does 


53 

Date…………………


not prescribe above cleaning). Place the fibre inside the 'V' groove of 

splicing machine by opening the clamp such that the end of fibre is 

approximately 1.0 mm over the end of 'V' groove towards the electrodes. 

Repeat the same procedure for other fibres, however, first insert heat shrink 

splice protector. Press the start button of the splice controller. Machine will 

pre-fuse, set align both X & Y direction and then finally fusr the fibre. 

Inspect the splice on monitor if provided on fusion splicing machine and 

assure no nicking, bulging is there and core appears to be aligned 

adequately. If splice does not look good repeat the procedure again. Slide 

the heat shrink protector over the over the splice and place in the tube 

heater . Heat is competing when soft inner layer is seen to be " oozing" out 

of the ends of the outer layer of protector. Repeat for other fibre. 

4a.2.3.12 Mechanical Splicing of the Fibre : There two types splicing system, 

one with precision alignment of fibre in "V' groove and their ends are 

sealed with some index matching fluid and adhesive. The other uses 

ultrasonic light source for curing optical adhesive in addition to alignment 

etc. The general steps involved for above are as under: 

4a.2.3.13 Stripping and cleaving of fibres is done as described above. Remove 

the protective end cap from mechanical splice and pull out vent tube. Inject 

adhesive as specified by supplier to thje splice. Insert fibre until it butts 

against fibre end already bonded in place. Cure adhesive with UV light 

following exposure times as indicated by the supplier, if required. Repeat 

the same procedure for all fibres. 

4a.2.3.14 Organizing fibres & finishing joints: After each fibre is spliced , the 

heat shrink protection sleeve must be slipped over the bare fibre before any 

handling of fibre takes place, as uncoated fibres are very brittle and can not 

withstand small radius bend without breaking. The fibre is then organized 

into it's tray by cooling the fibre on each side of protection sleeve using the 

fully tray side to ensure the maximum radius possible for the fibre coil. The 

tray are placed in the position. OTDR reading taken for all splices in this 

organized state and recorded on the test sheet to confirm that all fibres 

attenuation are within specification. This OTDR test confirms fibre were 

not subjected to excessive stress during the organizing process. After this , 

the joint can be closed with necessary sealing etc. and ready for placement 

into pit. 

4a.2.3.15 Placing of the completed joint in the Pit : Joint is taken out from the 

vehicle and placed on tarpaulin provided near the pit. The cable is laid on 

the ground, loop the cable such that pen mark previously place on the cable 

line up. Tape these loops togather at the top of the coil. The joint can now 

be parmanently closed and sealed by heating heat shrinkable sleeve etc. 

However, before closing , the silica gel to be kept inside for moisture 


Date………………… 

54


protection. Now the joint closure is fixed to the bracket on the pit wall and 

pit is closed. Refer Drg. No. CSTE/Con./OFC-25/ 2001. 

4a.2.3.16 Reopening of the pit: If required for attending the faults etc., 

manufacturer supply special kits for opening of joint and the steps to be 

followed. However, the general steps are as under; 

4a.2.3.17 Using suitable knife cut heat opening shrink sleeve longitudely along 

it's entire length. Do not damage the smaller heat shirnk sleeve on the ends 

of the joint. Apply heat to cut sleeve untill it begins to separate. Gently 

remove the cut sleeve from joint. Now the joint can br opened. Protective 

sleeve/ cover can be removed for attending the faults etc. 

4a.2.3.18 Termination of joint for fibre optic cable: This joint is provided in cable 

hut for terminating the outdoor fibre optic cable. df both the sides, splicing 

through fibres, connecting fibres to pig tails for the connection to optical 

line terminal equipment etc. The OFC cables shall be dressed on teak wood 

plank/Aluminium ladder inside cable hut. (The armour of the OFC cable 

shall be cut before taking the cable in the equipment rack). The cable shall 

be terminated on OFC termination joint box. The OFC termination joint 

box as per soecification No. DOT G/FTB-01/02 March'99 with latest 

amendment and shall be provided in each cable hut to terminate both 

optical fibre cable and deriving required pig tails. Two pairs of fibres shall 

be derived from either side cable for 2 Mb stream at every OFC cable hut 

through pig tails with FC/PC connectors. All the fibres from both sides of 

repeater shall be provuded with FC/PC connectors to connect FDF. FDF 

will be arranged by the Railway . 

4a.2.3.19 Jumper Cable ( 10 Meter long ): The jumper cable shall be cout into 

two pigtails of 5 meters long which is considered adequate. Once fibre 

termination box mounted on the equipment rack itself. The material may 

be supplied as per latest specification. The procedure for installation of 

termination joint box deprnds upon the type of joint enclosure. The 

installation manual supplied give the step by step procedure for installation. 

However the general steps are : Marking the cable, Stripping/cutting the 

cable, Treatment of tension member, Fibre splicing, Enclosing the fibres, 

Fixing strength member, closing the cover, Fixing the termination box & 

fixing the cable. 

4a.2.3.20 Marking the cable: Determine the cable length upto the proposed 

location of termination box. It is also ensured that atleast 10 meter cable is 

coiled in the pit. Determine the cutting point and mark the cable. 

Determine the sheath peeling point and mark the cable. 

4a.2.3.21 Cutting / Stripping the cable : Cut the cable as per marking. Remove 

the cable sheath from cable ends. During sheath stripping care should be 

taken not to damage the fibre. The length and the steps for various sheath 

by cutting shall be as per the instruction given in the manual. 


55 

Date…………………


4a.2.3.22 Gripping of the cable: Wind PVC tape around the cable core just 

beside the edge of the sheath. Insert bushing inside sheath by cutting the 

cable sheath for about 25 mm. Place the sheath grip (lower half & upper 

half) and cut, tighten it with the help of torque wrench. 

4a.2.3.23 Fixing the tension member: Mark the tension member for specified 

length and cut it. Clean the tension member thoroughly by alcohol and 

cotton cloth. Fix the tension member holder with the help of instant 

adhesive at the end of tension member 

4a.2.3.24 Fibre splicing: Already described for straight joint above. 

4a.2.3.25 Enclosing fibres: Set the fibre cassette on the base. Arrange excess 

length of fibre to make double figure of eight. Enclose the spliced fibre and 

it's excess length carefully. Repeat the procedure for other fibres. After this 

the box can be closed. However a packet of silica gel may be placed inside 

to protect from moisture. 

4a.2.3.26 Mounting of cable termination Box :- Termination box can be fixed 

either on wall or on equipment rack. Mark the fixing holes on the 

wall/bracket/frame. Place the termination box & tightened the nuts inside 

the base box. Put the covers. 

4a.2.3.26 Fixing the cable: Secure the cable on the wall/ frame at two places 

within one meter from termination box keeping in veiw straight entry of 

the cable in termination box. 

4a.2.4 Acceptance test for fibre optic cable: The procedure for testing of fibre optic cable 

shall be jointly finalized by the contractor with the engineer of the Railway. The 

parameters specified by the manufacturer shall be taken as reference. The test shall 

be conducted from cable hut to cable hut, once, the splicing and termination of 

joints are completed. The length of cable (as per marking in the cable and OTDR) 

loss in the cable, average loss per kilometer, number of splices, splice loss etc shall 

be recorded and jointly signed as per proforma given below. 

4a.2.4.1 TEST PROTOCOL FOR OPTICAL FIBRE CABLE 

SYSTEM TEST PROTOCOL OF OPTICAL FIBRE CABLE & FIELD TEST 

Route ……………………… 

Date………………. 

Station……………………… 

No. of Mid section splices…………….. 

Section…………………….. 

Measured By ………………………….. 

Length ……………………. 

Length as per meter 

(By OTDR) 

Marking on cable sheath 

1 Opticxal Measurement ( On line ) : 

Measurement Fibre No. Accepted Value 

1,2,3,4,5,6,7,8,9.10,……………24 

1.1 

Total attenuation at 1300 nm with OTDR 

1.2 

Total attenuation per kilometer ( db/Km) 

1.3 

Splice loss in db with OTDR location 

Average Splice loss 

2 

Total attenuation at 1550 nm with OTDR 

2.1 

Total attenuation per kilometer (db/Km) 


Date………………… 

56


2.2 

Splice loss in db with OTDR location 

Average Splice loss 

Note: Also attach OTDR Results 

3 Visual Inspection (On line) : 

3.1 S.No. of cable and length of each 

S.No. Length of each drum 

1_____________________ 

_________________ M 

2_____________________ 

_________________ M 

3_____________________ 

_________________ M 

4_____________________ 

_________________ M 

5_____________________ 

_________________ M 

4 Location of Isolation sleeve : 1. 2. 3. 

Contractor's Representative 

Railway's Representative 


Date………………… 

57



CHAPTER – IV.b 

JOINTING OF 6 QUAD TELECOM CABLE AND ACCEPTANCE TEST 

The contractor can follow instructions issued by M/s REPL or other approved supplier of 

Thermo shrink jointing kit, provided such instructions are issued formally by the supplier 

and it is certified that joint will be free of defect. 

4.1 Jointing & termination of PIJF quad & derivation cables. 

4.1.1 Thermo shrink joints of appropriate size for straight through or branch off 

joints as per DOT specification shall be provided. 

4.1.2 All the Quad/derivation(PIJF) cables shall be terminated on C.T. box of 

suitable size duly mounted on cable huts / ASM room and other locations as 

advised by the site engineer. 

4.1.3 The details of cable of different types of jointing of cable are as per Drawing 

No.Dy.CSTE/Con/W-43/2004 (MW) & Dy.CSTE/Con/W-45/2004(MW). 

4.2 ACCEPTANCE TEST FOR 6 QUAD AND PIJF CABLES 

The characteristic impedance of unloaded 6 quad cables (IRS/TC/30) is 470 (±10%) 

ohm at 800 Hz. when loaded with inductance of 88 mH, the characteristic impedance 

is 1120 (±10%) ohm. 

Joint tests are to be carried out by engineer's representative and contractor's 

representative for accepting the cables from the contractor. 

4.3 TESTING OF VF TRANSFORMER: 

Following tests may be conducted on VF transformers before using in the joint:- 

a) Continuity and DC resistance of windings:- Use and AVO meter to check 

continuity, measure DC resistance of primary/secondary windings with LCR bridge. 

The readings obtained should be comparable. 

b) Insulation resistance:- Connect one lead of a 500 V megger to one winding 

connect the other lead of Megger first to another winding and take reading . Next 

connect it to all other windings connected together and the case and again take the 

reading insulation resistance should not be less than 10,000 Mega Ohms. 

c) Insertion Loss:- Adjust output level of transmission measuring set to O/db 

and connect it across the primary of transformer connect a dB meter on the secondary 

side. Db meter reading should not be more than 1 dB. 

4.3.2 LOOP RESISTANCE AND CONTINUITY TEST 

Instruments to be used : Multimeter 

(a) The Multimeter will provide ready means for continuity test and also it 

will be capable of testing D.C. and A.C.Voltage D.C. resistance and also low 

frequency levels for test and maintenance purpose. The input sensitivity shall 

be at least 100K Ohms per volt D.C. and 10K Ohm per Volt of A.C. 

(b) The maximum average loop resistance of a pair measured with direct 

current at 20 deg C shall be 58 Ohm per Km. for the PE quad of 0.9 mm 

diameter Cu conductors. The normal loop resistance of a pair shall be 55.2 


Date………………… 

58


Ohm per Km. at 20 Deg C. This test shall be carried out only on untapped pairs 

of cable. 

4.3.3 INSULATION TEST. 

(a) Instruments to be used- Mega ohm Meter/Megger. The insulation 

resistance measured between a conductor of a quad and all conductors of all 

other quads connected together to the sheath and earth shall not be less than 

625 mega ohms per Km. When measured at 100 volts DC after energizing for 

one minute at a temperature of not less than 16ºC. 

(b) For measuring insulation all conductors may be bunched together and tied 

properly with a bare wire and insulation to the sheath/ screen measured. The 

insulation resistance per Km. can be obtained as - No. of wires tested x 

deflection ( Megs (c) x Length (KM Meg ohms per Km.) 

4.3.4 FREQUENCY ATTENUATION & TRANSMISSION MEASUREMENT. 

Instrument to be used - Transmission Measuring sets (IRS TC 43.87 or latest). 

Two transmission measurement sets are required for this measurements. One 

set is kept at one end of the cable and the other at the other end of the cable. 

Before sending the set to other end the zero errors of all meters are checked. 

Zero dB tone is sent from one end and the level received at the other end and 

is measured. Whenever the frequency is changed the zero level should be 

adjusted again Zero level of the tone should also be adjusted first before taking 

any reading. 

The reading are taken at the following frequencies 300Hz, 400Hz, 600 Hz, 

800Hz.1000 Hz, 1400 Hz, 1600 Hz, 2000 Hz, 2400 Hz, and 3000 Hz and 

recorded and it should be as per specification of quad cable laid. 

4.3.5 CROSS TALK MEASREMENT. Instrument to be used a cross talk measuring 

set ( IRS EC - 45) and oscillator 1 KHz / 800 Hz. Zero dB, Tone of 800Hz is 

given on one pair and cross talks is measured on the other pair in the same 

quad. Also the cross talk has to be measured in adjacent quads, cross talks is 

measured at' Near - End' and also ' Far- End' The far- End cross- Talks 

attenuation between any two air spaced paper insulated VF pairs at a 

frequency of 800 Hz shall not be less than 65 dB. The near- End Cross- Talks 

shall not be less than 61 dB. 

4.3.6 NOISE LEVEL MEASUREMENT- PSOPHOMETRIC Instrument to be used - 

Psophometer (RDSO SPECN. NO. STE/RE/C/SPN/M1) - 1975( or latest) 

SIEMENS Germany Model No. V 2233(1994) are presently used for 

measurement of noise. The detail procedure for measurements is supplied by 

manufacturer. The far end of test pair is terminated at the resistance equivalent 

to characteristic impedance of the cable (600 or 1120 Ohms). At near end 

Psophometer is connected. The readings of weighted and unweighted noise 

can be directly read on the meter. The permissible limit of Psophometer 

voltage is 2mv. 

4.3.7 MEASUREMENT OF CIRCUIT ELEMENTS Instruments to be used – 

impedance Bridge (L C R Bridge) (Specn. No.STT/RE/SPN(M1)-1973 or latest). 


Date………………… 

59


This measures electrical data of components like coils, capacitors and 

transformers as well as of sub-assemblies, amplifier, filters etc. The 

measurement of resistive and reactive components of impedance and 

admittance can also be measured with this bridge. These parameters are 

generally factory tested and need not be measured at site. The impedance 

bridge can also be used for assessing the distance of cable fault/low insulation 

quad with reference to healthy quads. 


Date………………… 

60



CHAPTER – IV c 

TECHNICAL SUPPLEMENT FOR OPTIC FIBER CABLE COMMUNICATION SYSTEM 

1 OBJECTIVE The end objective of this system is such that it shall be capable of 

providing. 

a). Omnibus voice circuits with selective calling. 

b). Point – to – point circuit with associated signaling. 

c) Circuits suitable for remote control switching. 

d) Circuits for emergency control working in conjunction with quad cable 

through optical fibre cable system. 

e) Inter connectivity of the exchanges en-route. 

f) Data circuits like PRS & FOIS. 

g) Circuit for emergency control working in conjunction with emergency socket 

provide on 6 Quad Telecom cable and subsequent extension to control office 

on optical fiber cable system. 

2 SYSTEM DESIGN REQUIREMENTS : The Tenderer in consultation with engineer in 

charge prepare system design for OFC communication system and quad cable 

communication system as per Railway’s requirement and submit report before starting 

execution of the work. 

2.1 GENERAL The Optical Fiber system envisages provision of STM -4,STM -1 with 63 

E1 & 21 E1 digital equipment employing long haul & short haul SDH technology. 

2.2 Channel Allocation 

2.2.1 At a way station it is possible to connect up to 3 way station control equipment 

to the same omnibus channel in parallel without calling for any additional 

multiplexing equipment. The extension will be within a distance of 4 km 

connected to copper cable of 0.63 mm dia PIJF cable or 0.9mm dia Quad cable , 

to be provided by Railway . The extension shall be on 4 wire or 2 wire basis . 

2.2.2 Additional hardware interface to meet this requirement, if any should be indicate 

along with their cost . the offer of the tender shall be loaded accordingly . 

Any limitations on this accounts or any alternative solution may be explicitly 

brought out in the offer . 

2.2.3 The system shall allow any two way station establishing the communication 

through the same 4 wire omnibus channels after the control office call the 

attention of one way station through the selective calling at the oral request of 

the other way station . 

2.2.4 Any inband / outband / any other type of signaling used for purposed shall not 

in any way interface with or interfered by the telephone conversation . 

2.2.5 The channeling plan shall be finalized in consultation with the Railway , the 

exact no. of circuits /channels required at every station shall be worked out and 

appropriate interface card provided by means of manipulating within the cards 

supplied. 

3.1 CABLE CUTTING OUT & COMMUNICATION : Without considering the 

protective patching arrangement of STM-1 , STM-4 , and digital MW system 


Date………………… 

61


detailed in the system design requirements stated above ,if the fiber optic cable 

gets cut , the communication between the various points on the control office 

side shall remain undisturbed; Similarly the communication in the portion 

beyond the cut shall remain undisturbed. Only the through circuits beyond the 

cut shall get affected for the channels for which Radio patching are not provided 

3.2 Failure of way station PCM equipment : Any failure of PCM equipment at way - 

side station shall not affect communication at any other station especially in the 

case of omnibus circuits 

3.3 OPTICAL LOSS BUDGET AND POWER SOURCE : Optical attenuation of OFC, 

Splice loss, connector loss, equipment margin, cable operation margin, system 

operation margin shall be specified and subsequently measured. Based on this and 

receiver sensitivity, the minimum optical power of the transmitter / The Optical loss 

budget shall be worked out for each sub section between at joining stations. The 

power source is decided. 

3.4 SIGNAL TO NOISE RATIO AND NOISE BUDGET 

3.4.1 The signal- to-noise ratio for the worst channel at any time of the year from point to 

control office on omnibus channels shall be better than 40 db; considering a length of 

300 kilometers for such omnibus channels and irrespective of the number of 

tapping. 

3.4.2 The signal-to-noise ratio of all other channels shall be better than 45 db at any time 

of the year. 

3.4.3 For the purpose of designing and noise criterion, a maximum of four telephones 

shall be taken as “in circuit” at any given time simultaneously over each omnibus 

channel. 

3.4.4 For the purpose of designing and noise criterion, a maximum of four telephones shall 

be taken as “in circuit” at any given time simultaneously over each omnibus channel. 

The tenderer shall submit details of the noise budget and loss budget keeping a safety 

margin shall be spelt out clearly. 

3.5 EXTENSION OF CIRCUITS FROM OFC EQUIPMENT ROOM : The communications 

from the optical fibre repeaters to station master, electrical locations and other users 

shall be extended on PIJF (Screening Factor 0.5) up to 1.5 Km or 6 Quad telecomm 

cable (Screening factor 0.16) unloaded up to 7.5 Kms 

4 OPTICAL AND DIGITAL EQUIPMENTS : 

4.1 SDH SYSTEM : 

(a) SDH system : STM-4 & STM-1 ( shall be equipped with 63 or 21 Nos. 2 MB 

streams and wired for 63 E1 as described in the schedule of works). This 

system should be expandable to 63 E1’s by simple addition of cards in future 

and having duplicated power supply module in load sharing / hot stand by 

mode in each side of the add / drop SDH equipment. 

(b) Any other interfaces such as 8 MB, 34 MB Video LAN etc. available in the 

capacity of the equipment may also be indicated by the tenderer so as to utilize 

the balance bandwidth available in the SDH chain. 


Date………………… 

62


(c) The STM-1 shall be as per DOT specification No.G/SDH-04/03 march 

2005.With latest amendment, if any. 

The STM-4 shall be as per latest TEC specification No. GR/SDH 10/01 August 

01 with latest amendments. 

PRIMARY DIGITAL DROP INSERT MUX : 

The primary digital drop insert mux shall be as per IRS TC 68-2004 with latest 

amendment if any. 

The mux shall be programmable drop insert mux with conference facility and shall 

have the facility of Network Monitoring and control (Clause 6.7TC 68-97). The 

Primary mux shall be equipped and completely wired for 30 channels. The channel 

side interface cards shall be installed for 30 channels as per circuit combination 

given in schedule. 

The number of circuits in one card shall be advised by the tenderer. If the cards 

contain different circuit configuration, the equivalent number of cards required for 

providing the circuits as indicated in the schedule shall be taken into consideration 

for evaluating and comparing the equipment. It shall be possible to provide at least 

20 E & M and 6 Hot Line / subscriber interface & 4 DATA circuits with each 

PDMUX. It shall have two V.24 interface cards for data transfer. 

The number of maintenance portable test & diagnostic units shall be as per tender 

schedule of specification. Over and above the equipment provided at master station for 

Network Monitoring and control . The units shall be either of Hand held type or portable 

PC (Personal Computer). 

4.3 MTBF: MUX, OLTE system have high MTBF figure. The FIT figures 

from the manufactures shall be supplied. Different functional cards modules shall 

have typical value not less than 25 years under field condition. MTBF calculation 

will be supplied as per DOT quality manual OM 115 on GUIDE LINES TO 

COMPUTE THEORITICAL RELIABILITY FITURES OF TELECOM EQUIPMENTS. 

4.4 RELIABILITY : MTTR of 3 hours and a limit of 30 stations. 

4.5 REDUNDANCY : Wherever the tenderer requires redundant equipment like hot 

standby to achieve the system reliability with this equipment, he shall do so. If 

redundancy is shown, it will be treated as obligatory for the system. Phrases like 

“Preferable” “recommended” etc. should be avoided. If such Phrases are used, they 

will be taken to mean that redundancy is obligatory and evaluation will be done on 

the basis of hot standby offer. 

5 SPECIFICATION FOR KRONE DISTRIBUTION FRAME : 

KRONE TERMINATION BLOCKS Krone No.6901 1006-00 for 100 pairs, WITH 

LSA-PLUS quick connection modules Series 2/10 consists of the following. 

1 No. back mount frame 2/10 for C.T. block, including fixing martial for cables and 

cable heads i.e. fixing screw, earth screw, cable mounting bracket for latching 10 

Nos. LSA-PLUS modules including 1 set of plug number 1………..0 and 

10……….100, for plastic insulated cable wires with copper conductor, 1 label holder 


Date………………… 

63


2/10 with label ( printed or unprinted). One dust cover, transparent, flat or deep, 

suitable for the use with fuses, MOVR, surge & lightening protection (Z protection) 

magazines to cover 10 No. LSA – PLUS modules. 

SPECIFICATION FOR TEST & MONITORING PANEL : 

Test and monitoring panel provides the facility for monitoring electrical performance 

and conducting test on any VF channel. The panel is provided with the following 

units. It should be ITI / M.S. PLL make. 

- Amplifier with Loudspeaker 

- Hand set 

- Signaling receiver with buzzer 

- Push button pulse dial 

- Test oscillator for feeding standard level test tone on any 

channel for carrying out channel alignment. 

- The panel is made available in the form of add on shelf 

to the equipment rack. 

TECHNICAL SPECIFICATIONS : 

Power requirement 

-48V (±6V) 

Maximum current (Active) 400mA MUX 

M Lead 

Extends ground/open to equipment through dia unit (10± 01 pps at 

66.7% break). When call key is pressed. 

E Lead 

Extends Ground on E lead causes SIG REC is glow (& Buzzer ON) 

OSCILLATOR 

Frequency 

800± 5 Hz (fixed) 

Threshold 

0.5% (at max level output) 

Output level 

-20 dBm to 0.5 dBm 

AUDIO AMPLIFIER : 

Frequency 

200Hz to 5KHz 

Output 

1.5 Watt at 8 Ohm. 

Input impedance 

600 Ohms 

Max input level 

-10.0 dBm, 800 Hz, (Volume control at Max) 

POSITION DETAILS : 

Position Input 0 dBm at 800 Hz Output level at Attenuation 

1- LST 

TX & 

RX 

2. LST 

TX & 

SPK 

RX 

3. LST 

RX & 

SPK TX 

4WT, 600 Ohm, 4WR, 600 ohm 

4WT, 600 Ohm Hand set TX, 150 Ohm, 

(Across D&E) 

4WR, 600 Ohm 

Hand set TX, 150 Ohm 

Hand set RS, 75 dBm 

(Across D&C) 

Hand set RX, 75 Ohm) 

Hand set RX, 75 Ohm 

4WR, 600 Ohm 

Hand set RX, 75 Ohm 

4WT, 600 Ohm ( 4 WR 

terminated with 600 

Ohm) 

3.3 ± 0.5db 

8.8 ± 0.5 db 

0±0.1db 

6.4±0.5db 

7.5±0.5db 

18.5±0.5db 


Date………………… 

64


4. LST 

& SPK 

TX & 

RX 

4WT, 600 Ohm (4WR terminated with 

600 Ohm) .4WR, 600 ohm ),(4 WT, 

terminated with 600 ohm),Hand set TX, 

150 Ohm 

Hand set RS, 75 

Ohm(Hand set TX 


Ohm) 

Hand set RX 75 

Ohm(Hand set TX 


Ohm) 

4WT, 600 (4WR 


Ohm) 4WR, 600 Ohm 

(4WT & Hand set RX 

terminated with 600 Ohm 

& 82 Ohm) respectively. 

6.7±0.5 db 

13.6±0.5db 

15.2±0.5 db 

30.2±0.5db 

5. LST 

& SPK 

TELE 

LINE 

2WL, 600 Ohm Hand set TX 150 Ohm Hand set RX, 75 

Ohm(Hand set terminated 

with 600 Ohm) 2WL, 600 

Ohm 

(Hand set RX terminated 

with 82 Ohm) 

3.5±0.5db 

9.8±0.5db 

6 NIL 

7 SPECIFICATION OF U LINK PANEL WITH U LINK :- 

The U link panel should provide isolation facility for all 30 channel coming out from 

MUX equipment. and should have fitted with U links (male & female) . The U link 

should have minimum 5mm (approx.) separation between the links and the links to be 

3mm (approx.) dia nominal. The links to be provided with phospher bronze sheet 

around the male pins for proper contact always. 

8 SPECIFICATION OF COMPREHENSIVE NET WORK MANAGEMENT SYSTEM : 

8.1 A common comprehensive NMS with uniform alarm and with single soft ware 

application, which can monitor & control all net work arrangements for the SDH 

system shall be supplied along with the system. 

8.2 The common comprehensive NMS system shall be provided for remote programming, 

monitoring the performance and display of fault of the optical fibre cable, Optical line 

terminating equipment and multiplexing equipment from a centralized location for 

the SDH system. It must be able to manage at least 200 nodes on one plate form. The 

NMS shall be loaded on two PC system. location for the SDH system. It must be 

able to manage at least 200 nodes on one plate. 

8.3 The master terminal station shall be controlled by a master terminal. All regenerators 

and remote terminal shall act as slave to this master terminal. There shall be constant 

intelligent communication in the master control terminal and the dependent and 

other station repeaters. 


Date………………… 

65


8.4 The network management system includes configuration, fault finding, performance 

and security tools. It has an initiative & users friendly graphical user interface. The 

product structure must be modular. The core system includes configuration features, 

alarm handing, data bases and data distribution soft ware. This may be built by 

adding the element access modules to this core. For handling new Network elements, 

new element access modules required to be added to the existing network 

management system configuration. 

8.5 The master terminal station shall be a PC based with TFT 15" colour monitor & have 

all necessary line interface and peripherals. The PC shall be industrial grade and 

capable of continuous on uninterrupted working. One printers as per specification 

enclosed shall be provided with supervisory system for hard copy of various alarms 

generated with time and address of repeater/MUX equipment, print out of various 

parameters of system on demand etc. The specifications of PC work station shall be of 

following or higher configuration. Each PC shall be of MNC make (Compaq. HP, IBM 

). 

Each PC will be having the following elements. 

(i) CPU- Intel Pentium 2.8 GHz. HT (or higher & better) 

1 No. 

(ii)Multi media KEY BOARD 

1 No. 

(iii)COLOURED TFT Monitor 15" (or higher & better) 

1 No. 

(iv) LASER PRINTER 

1 No. 

(v) UPS HAVING (min. ½ hour) BACK UP 

1 No. 

(vi) PC TABLE GODREJ MAKE C-3 or better 

1 No. 

(vii) Optical Mouse 

1 No. 

(viii) REVOLVING CHAIR MODEL PCH -4103 GODREJ MAKE 2 No. 

(ix) BOOK CASE 4 DOOR (1675 x840x308mm) GODREJ MAKE 1 No. 

Specifications of PC & Printer : 

a. CPU Intel Pentium 2.8 GHz HT (or higher & 

better) 

b. CACHE 1 MB (or higher & better) 

c. RAM 512 MB DDR RAM (or higher & better) 

d. Hard Disk 80 GB serial ATA HDD. (or higher & 

better) 

e. FDD 1.44 MB 

f. CD ROM DRIVE 52x or better. (Combo Drive) 

g. Ports 2 USB, 2 serial. 1 parallel and 1 PS/2 mouse 

port. 

h. Monitor TFT 15 inch Colour Monitor 

i. Modem 56 KBPS. Internal Modem 

j. Mouse Optical Mouse . 

k. Laser Printer RAM 16 MB duty cycle 40000 Page per 


Date………………… 

month Duplexer standard 

18 page per 

66


month Duplexer standard, 18 page per 

minute, HP laser jet 2200 D or equivalent. 

l. Operating system Window XP Professional Pre loaded & 

also with CD media 

m. UPS On line UPS with 1/2 hour Battery backup 

: Line interactive RS – 232SW interface. 

MakeTVSE/APC/TATA – Liebert/Datex. 

n. CD write / read drive 8X Read and 4X Write or better multi read 

with suitable soft wares. 

o. Key board Multi media Key Board. 

P Multi Media kit Comprising of at least 48 x CE ROM, 2 

amplifiers, Desk top speakers, 64 Bits 

Sound Card, Microphone. 

The PC based supervisory console (NMS for primary mux) should be of same 

configuration as given under para 8.5 above for Master terminal work station for SDH 

Network Management System. 

The Local craft terminals/portable service terminals/Remote service terminal should 

also be capable of comprehensive management of all network element. It should also possible 

to use Portable Service Terminal from any of the station on the Network. It should be 

possible to connect local craft terminal or remote service terminal to any network element. 

PST shall be common for management of the SDH and Primary Digital Mux network 

elements. It should be possible to connect these terminals to any network element of the 

system for comprehensive arrangement of the local node as well as any, element on the 

entire element. The remote service terminals/local craft terminals shall be industrial note 

book (MIL Grade) with following features. 

a Pentium 1V 2.8 GHz or higher MNC make (IBM/Compaq 

Presario 2513 or betterI/HCL) 

b CACHE 4 MB 

c RAM 1GB 

d Hard Disc 160 GB SATA 5400 rpm (minimum) or higher 

e FDD 3.5”, 1.44 MB 

f CD ROM Drive Itegrated DVD writer 8X 

g PORTS 3 USB Ports, 1 PS2 Port, 1 Fire wire Port, 1 X- 

Video/ TV Port, 1 Infrared Port, 1 Head phone 

port, 1 Microphone port 

h Monitor TFT/LCD 1240 X 1000 resolution or better 

i MODEM PCMCIA FAX/MODEM card 56 KBPS 

MOTOROLA/MULTI TEC make 

j Opening system Window Vista Business edition or better 

k Power Li-Ion battery pack suitable for approximatly 4 

Hrs Operation alongwith battery 

charger/adapter 


Date………………… 

67


l Environmental 

feature 

Temp 0-50°C (Operating) –20 to +50C (non 

operating), Vibration to MIL, STD 810E 

a. The backup for the software shall also be provided in two sets of CDs. 

b. System should use RS.232 or higher speed interface such as RS 422 RS 423, RS 449 

c. Supervisory path should be realized on the overhead bits of Optical link and no 

separate channel will be allocated. 

d. System should be capable of monitoring all alarms of all the OFC equipment 

minimum two auxiliary alarms like low battery voltage, 230V mains & temperature 

etc. should be also monitor by the system. The required interface shall also be 

provided by the contractor within the cost. 

e. System should be capable to configure supervisory and measure all the important 

parameters of all the OFC equipments in the link (VF interface level) from central 

station as well as locally. 

f. All information from slave stations are monitored and displayed on the master station 

terminal. In coming messages are processed and displayed on the monitor in text 

form. Any change of status will be recognizable through available indication. 

Commands to slave station are given from the key board and command feed back 

messages are displayed. 

10. EQUIPMENT RACK 

10.1 The Optical & Digital equipments shall be mounted on standard 19 inch rack of 

suitable size as per tender schedule as well as as per IEC/I.S specification. The rack 

shall be provided with metallic cover with suitable ventilation arrangements from all 

side, the front panel shall be provided partially with toughened glass or high quality 

perplex sheet for viewing alarm indication etc. Covered rack shall be so design so as to 

ensure that rodent and vermin do not enter in side. 

10.2 The equipment shall be of modular construction, Chassis front panels and mounting 

may be either aluminum or steel or equivalent section of steel is used, all parts must 

be given corrosion-resistant treatment after all matching operations have been 

completed. If aluminum is used for the panel the front surface must be etched prior to 

finishing. Adequate rigidity shall be provided to prevent on due distortion. Suitable 

vibration mounting shall be provided. The equipment and cable shall withstand all 

the vibrations imparted to the building and adjacent sites during the train operation. 

10.3 All the switches control circuits, components and sub-assembles or modules shall be 

mounted as to permit their replacement without disturbance to other component. 

10.4 Provision shall be made by means of electrical inter locks and safety covers etc. so that 

operating and maintenance personnel exposed to harmful radiation and cannot come 

accidental contact with dangerous voltages covers shall be fitted over terminals to 

dangers voltages are applied. The words, “ Danger”, “High Voltage” etc shall be 

printed or engraved on the cover. 

10.5 Cables complete with connector that required to interlink the various stages shall 

substantial enough to withstand frequent handling and be suitably protected against 


Date………………… 

68


corrosion, wiring shall be cabled where practicable and clamped to the chassis. Where 

insulated leads pass through holes in the chassis, the holes shall be with smoothly 

finished grommets. Colour code shall be employed in the wiring. 

10.6 All the indoor cables / Power supply wires / OFC etc. shall be taken through overhead 

aluminum/ powder coated Ladder from equipment rack to the cable termination. The 

wiring on wall may be taken on suitable casing and capping. 

10.7 The equipment shall be protected from damage due to a faulty condition or the 

operation of control in wrong sequence by provision of circuit breakers, interlocked 

circuits, similar safety devices. An over voltage tripping device shall be provided for 

the battery supply. Protection isolation against transient voltages through power 

supply or any other high voltages and current shall be provided. 

10.8 Each component shall be clearly identified with its circuit designation by an 

appropriate marking method so that complete description and circuit position of the 

components can be located in the instruction hand book, all the switches, control 

circuit components assemblies or modules shall be mounted as to their replacement 

may be possible without appreciable disturbance to other components 

10.9 Arrangements shall be made for power distribution panel mounted on the rack itself. 

Arrangements for termination of all 30 channels from PD MUX and provision of surge, 

lightening protection etc. may also be provided on the rack itself. 

10.10 The equipment rack shall be provided with forced cooling arrangements. The cooling fan 

should work with 48 volt DC supply. Suitable heat deflectors shall be provided after each 

equipment sub rack/self. 

10.11 Detailed layout of the equipment rack shall be submitted by the tenderer and got approved 

from railway’s engineer well in advance 

11 . FIBER DISTRIBUTION MANAGEMENT SYSTEM : 

11,1 The fibre distribution management system complete with 19" rack shall be as per RDSO 

specification number RDSO/SPN/TC/037-2000 (ver.1) and as per. Drg No Dy.C.S.T.E/Con 

/W-39/2004(MW) with FC/PC connectors and fittings as described in the schedule 

11.2 FDMS shall be suitable for termination of two cables of 24 fiber each. 

12. OFC PATCH CORD: The OFC patch cord shall be with FC/PC connector on both sides as per 

specification No.G/OFJ/-01/03 June ‘ 99 with latest amendment. 

13. SPECIFICATION FOR FUSION SPLICING MACHINE : Fusion splicing machine shall be 

fully automatic RTC Microprocessor controlled (ARC fusion type) Splicer with video display, 

WARM IMAGE PROCESSING, HEAT OVEN, FIBER FIXURE, Battery backup, high 

precision Fiber Cleever, Stripping tool, sufficient no of splice protection sleeves & Isopropyl 

alcohol to be used for splicing. Specially Fuzikura 50-S model or similar. As per specn No. 

DOT G/OSM/01/02 May ‘ 99 or latest. 

14. SPECIFICATION FOR MAIN FRAME OTDR : It shall be suitable for operating at 1310 & 

1550 nm wavelength, having dynamic range of more than 30 dB with 1 Meter minimum 

resolution with following accessories. 

(a) DC Power supply. 

(b) Equipment shall be as per DoT specification No.G/OTD-02/01 Nov. 98 or latest with two 

Nos. hardware & software instruction manual. 

15. SPECIFICATION FOR OPTICAL POWER METER : 

15.1 FUNCTION : This equipment is required for measurement of optical power. 

15.2 Technical specification :Photo sensor : specification 


Date………………… 

69


Wave length 

1100 nm to 1650 nm 

Calibrated wave lengths 

1310 nm & 1550 nm 

Type of input 

FC type connector & bare fibre adaptor. 

Power level measuring range -60 dBm to +3 dBm 

Measurement accuracy 

+/- 0.10 db 

Main unit Display 

LCD display 

Main unit Resolution 

0.01 db 

Main unit Range selection 

Auto 

Main unit Measurement mode Absolute level (0 dBm or watts) 

Main unit Measurement function Averaging 

Main unit Power sources 

Built-in rechargeable cells should allowed more than 1 hours 

continuous use & also capable of work with AC power. 

15.2.1 Features : It should be sleek, light weight and easily portable. 

15.2.2 Accessories : Fiber adaptor 2 No. & Carrying case.1 No 

SPECIFICATION FOR OPTICAL POWER SOURCE : 

16.1 General :The source shall generally confirmed to TEC Spec. No.G/SLS-01/02 Nov.98 

with latest amendments and with following parameter. The instrument shall be hand 

held type with switch able wavelength through one connector. 

16.2 Technical Specification: 

Wave length 

1310 nm/ 1550 nm 

Output power 

Min. -3 dbm. 

Power range 

Up to 6 db with resolution of 0.1 db 

Stability 

±0.1 dB 

Laser Diode safety 

Class I 

Connector type 

FC/PC 

Power Supply Rechargeable battery with battery charger with minimum 1 

Hr. backup 

Accessories: 

FC/PC patch card with connector 

2 m long 

Bare fibre connector 

2 Nos. 

AC adaptor 

1 No 

Rechargeable Battery 

1 set spare 

Carrying case Rugged 

1 No 

Operational & service manual 

1 set 

Specification for Remote Control Monitoring System of Power Supply System : 

It should be window based PC with Following configuration with necessary Software 

& Hardware required for remote supervision & monitoring of the power supply 

system. Only one omnibus VF channel will be provided by the Railway at the access 

bay of the OFC equipment from where necessary wiring have to be done by the 

tenderer for connecting Remote Control Monitoring System of Power Supply system 

at the master station and chargers along with modem at every remote location. 

Modem will be supplied by the contractor along with the chargers. 

Each PC will be having the following elements. 

(i) CPU- Intel Pentium 2.8 GHz. HT 

1 No. 


Date………………… 

70


(ii)Multi media KEY BOARD 

(iii)COLOURED TFT Monitor 15" 

(iv) LASER PRINTER 

(v) UPS HAVING (min. ½ hour) BACK UP 

(vi) PC TABLE GODREJ MAKE C-3 or better 

(vii) Optical Mouse 

(viii) REVOLVING CHAIR MODEL PCH -4103 GODREJ MAKE 

(ix) BOOK CASE 4 DOOR (1675 x840x308mm) GODREJ MAKE 

1 No. 

1 No. 

1 No. 

1 No. 

1 No. 

1 No. 

2 No. 

1 No. 

Specifications of PC & Printer : 

1 CPU Intel Pentium 2.8 GHz HT. CACHE:1 MB,RAM512 MB 

DDR RAM 

2 Hard Disk 80 GB serial ATA HDD. 

3 FDD 1.44 MB 

4 CD ROM DRIVE 52x or better. (Combo Drive) 

5 Ports 2 USB, 2 serial. 1 parallel and 1 PS/2 mouse port. 

6 Monitor TFT 15 inch Colour Monitor 

7 Modem 56 KBPS. Internal Modem 

8 Mouse Optical Mouse . 

9 Laser Printer RAM 16 MB duty cycle 40000 Page per month Duplexer 

standard, 18 page per minute, HP laser jet 2200 D or 

equivalent. 

10 Operating system Window XP Professional Pre loaded & also with CD 

media 

11 UPS with 1/2 hour 

Battery backup 

On line, Line interactive RS – 232SW interface. Make 

TVSE/APC/TATA – Liebert/Datex. 

12 CD write / read drive 8X Read and 4X Write or better multi read withsuitable 

soft wares. 

13 Key board Multi media Key Board. 

14 Multi Media kit comprising of at least 48 x CE ROM, 2 amplifiers, Desk 

top speakers, 64 Bits Sound Card, Microphone. 

The following managements are required to be done by the remote Monitoring System : 

a. Measurement of mains input voltage, DC bus voltage, total load current, Battery 

charge/discharge current. 

b. Status of each rectifier module, battery isolation (Circuit breaker or fuse). 

c. Charging : Battery temperature compensated charging, battery current limiting. 

d. Discharge : Control of disconnection of load. 

18 SPECIFICATION FOR FIBER PHONES / OPTICAL TALK SET : 

The optical telephone set should be a compact hand-held unit for high quality voice 

communication over a single fibre. It shall offer the operators the ability to speak 

simultaneously, without interruption during testing. It shall incorporate full duplex. 


Date………………… 

71


Time division multiplexing (TDM) technology and Fiber ID tests prior to call 

initiation. The dynamic range shall not be less than 45 db (0.4 db per Km.). 

19 SPECIFICATION FOR OPTICAL ATTENUATOR : 

19.1 General :The attenuator shall generally confirm to TEC Spec. No.G/OPA-02/01 

May’99 with latest amendments and with following parameters. 

19.2 Technical specification : 

Calibrated Wavelengths 

Range 

Programming 

1310 nm & 1550 nm 

From 0 dB to 60 dB in selectable step of 0.1dB to 1 dB. 

Programmable preferably RS232 PORT. 

19.3 Accessories: 

Operation & service manual 

2 Sets. 

Carrying case Rugged 

1 No. 

Cable for Computer interface 

1 No. 

20 SPECIFICATION FOR MECHANICAL SPLICE ASSEMBLY TOOL: This shall be 

TEC approved and shall be procured from TEC approved source. 

21 SPECIFICATION FOR MECHNICAL FIBER LOCK :This shall be TEC approved and 

shall be procured from TEC approved source. 

22 SPECIFICATION FOR V-Groove for MECHNICAL SPLICING : This shall be TEC 

approved and shall be procured from TEC approved source. 

23 SPECIFICATION OF HIGH PRECISION CLEAVER :It shall be FUJIKURA - JAPAN 

CT 20-12 make or similar 

24 SPECIFICATION OF MICRO STRIPPER :It shall be MILLER - USA 103 S make or 

similar 

25. SPECIFICATION FOR LOOSE TUBE STRIPPER: It shall be IDEAL INDUSTRIES - 

USA Model F1-0017 or similar. 

26 . SPECIFICATION of NONIK STRIPPER: It shall be CLAUSS - USA make Model NN- 

254 or similar 

27 SPECIFICATION OF BARE FIBER ADAPTOR: It shall be PT FIBER OPTICS -USA 

make or similar 

28 SPECIFICATION FOR SDH ANALYSER: It shall be as per Specification No G/ 

SDH /01/03Aug-99 with latest amendments. 

29 SPECIFICATIONS FOR WORKS SCHEDULE: 

29.1. Installation of indoor equipments 

29.2 This includes installation of SDH add/drop muxs (STM-1/4) , primary muxes with its 

all accessories power supply, DDF , krone with fuses, surge & lightening protection 

arrangement, test & monitoring panel, U link panel, at every OFC station.The cables 

from Mux. shall be routed to Krone type Termination through the U-Link panel and 

there shall be a jumper field between Krone modules terminating the Channels and 

the Krone Modules for terminating the Outdoor cables. 


Date………………… 

72


29.3 STM-1/4 and , primary Muxes along with Krone Modules will be installed in standard 

covered rack. Seprate MCB of suitable rating shall be provided for individual MUX 

equipment. 

29.4. This also includes wiring & termination of all indoor and out door wires and cables 

upto 2 W/ 4 W level, all cables and wire will run from one equipment to other 

equipment through aluminum/powder coated ladder run way. 

29.5. All materials such as (1) Aluminum/powder coated MS ladder run way (2) Cable and 

wires, (3) Connector and connecting cords etc. required for realizing the system will 

be supplied by the contractor free of cost under this activity 

29.6 For installation of STM-1/4 and primary Muxes, the contractor have to follow the 

manufacturers instructions which will be supplied by the tenderer. 

29.7 Wiring between equipments should be taken on the cable run ways. These run ways 

should be properly secured. Tenderer should also furnish drawing and plans of the 

terminating arrangement used for termination of cables provided for termination of 

outside the OFC / .MW station and cables used for wiring up to STM-1/4 and primary 

muxes. Cables used for this purpose will be supplied by the contractor. Cable supplied 

by the contractor should be of superior quality and shall be as per the relevant IRS 

specification. 

29.8 Wiring between power room to the equipment room will also be done on suitable run 

ways as stated above with proper supporting arrangement, power cable shall be 

supplied by the tenderer. Coaxial cable to be provided between MUX/Interface 

equipments shall be of best quality and provided with adequate BNC/ SN connectors 

with cords matching to the connectors provided in the equipments and contractor 

will have to supply 10% additional quantity of all type of male and female connectors 

and cords, link fuses etc. 

29.9 All the wiring is to be provided with suitable lugs and is to be crimped. All the 

equipments should be properly earthed by the connecting 4 mm copper wire from 

each of these equipments to the common earth terminals on copper bus bar which are 

being provided by contractor in the Covered Box in the power room. Common earth 

as per standard practice shall also be provided and extended to the earth terminals. All 

the work must be done as per site requirement and the instruction of site engineer. 

29.10 This also includes the testing of channels installed and mapped as per channeling plan 

as detailed here under. 

30 Installation & Testing of Network management system complete (SDH & Primary 

mux) with all accessories and power supply: 

This will be installed by the contractor on the table supplied under supply schedule, 

all cords and connectors for connecting the equipments will be supplied by the 

contractor. 

Provision of Earthing arrangement : All the materials required for earthing arrangement will be 

supplied by the contractor and work will be done as per Drawing No. Dy.CSTE/C/W- 

36/2004(MW) attached. Earth resistance must be less than one Ohm. 

Materials to be used by contractor for earthing as per Drawing No. Dy.CSTE/C/W- 

36/2004(MW) 


Date………………… 

73


S.No. Name of material Qty 

1 Copper plate of size (100X 100X0.5)Cm. 1 No. 

2 Copper wire 8 SWG 50 Mtrs 

3 Brass Nut & bolt ( 25X6) mm M-6 6 No. 

4 Bus Bar copper (30x2.5x0.5)cm 1 No. 

5 GI pipe 50 mm dia ,medium grade with cap. 3 Mtrs. 

6 Salt 80 Kg. 

7 Cyharcol ( wood) 60 Kg. 

Note:- Above list is minimum only, any additional input to achieve required earth 

resistance shall be on contractor's account. 

Testing & commissioning of all equipments at each location confirming with the 

approved system design including end to end testing. 

After execution of all the items of the work as per Schedule of the work the 

contractor will prepare test data of all the equipment end to end and submit to 

engineer ;in charge while offering the entire work for commissioning test with at 

least 15 ( fifteen) days advance intimation to the Engineer-in-charge. 

Any special type of Measuring Instruments and accessories required for 

Commissioning, Testing of the installations are to be arranged and brought at site by 

the contractor at his own cost. 

33 PART COMMISSIONING OF SECTION 

It may not be possible to commission the complete section in one go because of 

various constraints. The commissioning of part section may be resorted to. 

ECHNICAL LITERATURE AND INSTRUCTION BOOKS : The purpose and scope of the instruction 

books shall be for the guidance of the personnel who shall install, commission, operate and 

maintain the equipment. The books shall be in English language. 

34,2 The information contained in the instruction Books shall be such as two convey a 

thorough under standing of the operation of the equipment so that improper 

functioning may be readily detected and corrected 

34.3 The instruction books shall give all the ‘Dos’ and Don’ts’ boldly so that the personnel 

without much of knowledge of theory and design of opto-electrical equipment can 

prevent failures and also locate the faulty stage. The wording shall be clear, concise 

and free from ambiguities and duplications. 

34.4 Part lists and typical text data shall be included in the instruction Books. 

34.5 In addition to the schematic diagrams of complete equipment and detailed 

descriptions with circuit diagram of the sub-assembly of various stages, a complete 

detailed circuit diagram of the equipment with appropriate markings for the block 

containing such circuit in the equipment shall also be furnished in the instruction 

books. Such detailed circuit diagram shall contain the voltages and levels at various 

point. 

34.6 Maintenance procedure, Trouble shooting details giving symptoms and remedies shall 

be included in the instruction books. 

34.7 Detailed instruction procedures, drawings, spelling out the correct type of equipment 

connections etc. shall be included. 


Date………………… 

74


34.8 Testing and measurement procedures and the parameters to be measured, monitored 

shall be included. 

35 DESCRIPTION OF THE NATURE AND WORKING OF CIRCUITS OMNIBUS 

VOICE CIRCUITS WITH SELECTIVE CALLING : 

35.1. DTMF Signaling is proposed to be used for selective calling in VF control circuits. The 

control office equipments and way station equipment shall be as per IRS TC 60/93 . 

The control office equipment shall be located in the control office with respective 

controller and way station equipments shall be provided to various users in different 

stations in the section under consideration. 

35.2. The control office will have the facility of calling any particular way station through 

the use of selective calling equipment with a predetermined code for the way side 

station control phone whereas the way station will establish connection by lifting the 

telephone and speaking into the telephone at way station control equipment. 

36 POINT – TO – POINT CIRCUIT : The system design shall be such that the circuit 

shall be mapped between the two points for use as E & M channel or STD/OTD. It 

shall be possible to use conventional auto telephones / Magneto Telephones. at either 

end for establishing this communication without any additional interface. It shall also 

be possible to extend 2 Mbps data to Exchanges where the facility exists in the 

Telephone Exch. 

37 MEASUREMENT FOR FIBER OPTICAL COMMUNICATION SYSTEM : 

The measurement & test protocol for all equipments and complete system shall be 

provided by the contractor & finalized in consultation with Railways. The Performa 

shall contain max/mm & nominal values of parameters. The measured values shall 

be recorded for each location. However, generally following measurements are 

required to be done to ascertain the system performance. This shall be modified 

suitably to cover all aspects of the equipments supplied. 

MEASUREMENT FOR OPTICAL FIBRES AND CABLES The variation optical and 

mechanical test which are to be conducted on optical fibbers and on finished cable during 

the prototype tests and acceptance test are detailed in the specification No.TC-55 for 

armoured fibre optic cable. Most of these tests are for ensuring the quality during the 

manufacturing process and only the attenuation measurement is required to be conducted 

during the installation and maintenance. The attenuation in optical fibre is due to absorption 

process, scattering guide effects. The equipment used in Optical Time Domain Reflectometer. 

With this technique, in addition to the at following are also arrived at :- 

Long distance splices and splice loss., Length of Optical Fiber & Location of the fault. 

39 MEASUREMENT OF OPTICAL EQUIPMENT : Measurement of optical fibre 

terminal equipment and multiplexing equipment, interfaces etc. shall be made as per 

RDSO’s Report No.STT-23. The measurements which are not available in the said 

report shall be done as per DOT/BSNL specification/measurement process. 

40 DATA CIRCUITS ( PRS AND FOIS): Data circuits are required to be extended to 

remote locations upto 7.5 kilometers on copper cable. 

41 Digital Multimeter should be 4-1/2 Digit Motwani/Rishabh make or similar. 


Date………………… 

75


QUAD SYSTEM 


CHAPTER-V 

INSTALLATION, TESTING AND COMMISSIONING OF EQUIPMENTS IN S.M.’S OFFICE, 

CABINS AND OTHER LOCATIONS 

Para No. 

Subject 

5.1 Way station control equipment. 

5.2 6 quad cable repeater equipment 

5.3 Casting of foundation and installation of apparatus (half) Case 

5.4 Installation of hylum sheet board inside apparatus (half) case & installation 

of emergency socket alongwith emergency socket box, on the hylum sheet 

board 

5.5 Erection of emergency socket posts 

5.6 Protection against Surge & Lightening 

5.7 Arrangement at 4W/2W junctions 

5.8 Wiring and installation of telephones etc 

5.9 Installation & testing of 12V/35W solar charging system complete alongwith 

charge controller for DTMF type L.C.gate telephone 

5.10 Installation & testing of 12V/70W solar charging system complete 

alongwith charge controller for 6 Quad PET cable repeater equipment 

5.11 Technical Specifications of Block-Telephone :- 

5.12 Technical Specifications of APLAB CABLE ROUTE TRACER 

5.1 WAY STATION CONTROL EQUIPMENT. 

Those locations where the repeater amplifier equalizer rack is not provided and the 

way stations are separately installed these equipments shall be suitably fitted on 

slotted or MS angle frame work. The MS angle frame shall be suitably grouted on the 

floor/walls at the subscriber location shown in the tapping diagram and as per 

markings given by Engineer’s representative. The MS angle frames shall be painted 

with a primer coat of Red Oxide and finally with gray enamel paints to ISI 

specification (2 coats). The mounting arrangements for fixing way station equipment 

shall be as per decision of Engineer. In ASM’s room and cabins the telephone shall be 

kept on ASM’s table. A wooden stand shall be mounted on wall at suitable height 

(1200 mm) as per Drg. No. CSTE/CON/OFC-20/2001. at all other locations for placing 

the control telephone or as per direction of site engineer. 

The wiring shall be done on PVC Casing & capping / PVC conduit of suitable size 

depending upon the requirement, along the walls from C.T.Boxes to the equipments. 

Wires from the equipments to the table for telephone and other equipments shall also 

be taken accordingly. For crossing of floor the wiring shall be taken inside the GI pipe 

minimum 25 mm dia, buried inside the floor and bent at both the ends. All the wiring 

shall be terminated on the telephone termination strip/Rosette suitably fixed in a 

wooden box, for facilitating connection to telephone and block instruments etc. 

5.2 6-QUAD PET CABLE REPEATER EQUIPMENT 


Date………………… 

76


(i) 6 Quad PET cable repeater shall be installed on 30 cm masonry platform rigidly 

or on the wall as per the instructions supplied by the manufacturer. The wiring from 

repeater equipment to the C T box shall be neatly fixed and pass through PVC conduit 

pipe with facility of its isolation. The AC power required for the repeater shall be 

taken from nearest Power Board and a socket shall be fixed nearby the repeater 

equipment. The wiring for DTMF control telephone and Dy. Controller telephone 

shall be done up to SM's table neatly, concealing the conduct pipe underground (if 

required) 

(ii) The Auto dial system from emergency socket in the section shall be installed and 

connected to Railway Telephone Exchange as advised by site engineer. 

5.3 CASTING OF FOUNDATION AND INSTALLATION OF APPARATUS (HALF)CASE 

:- 

5.3.1 The activity includes casting of foundation for the apparatus (half) case as per 

Drawing No. Dy. CSTE/Con/W-16/2006 (MW) & Drawing No.CSTE/CON– 

12/2000 (SK). The ratio of the concrete mixture should be 1 part cement : 3 

parts coarse sand : 6 parts stone chips, the plastering shall be done as provided 

in the sketch. The foundations shall be well cured before installation of 

apparat us cases. 

5.3.2 Apparatus (half) cases shall be provided with two miniature E-type locks (one 

in the front and the other in the rear side door), these locks shall be of ward 

No.41 and as perRDSO Drg. No. SA-3474/M. The apparatus (half) case shall be 

installed as per the directions of the Engineer at site. For these apparatus (half) 

case, if any earthwork is required it will be done by the contractor 

5.3.3 The contractor shall supply all the materials including miniature E-type lock, 

except apparatus (half) cases. The apparatus (half) cases will be supplied at the 

stores of consignee, the transportation cost for which shall be borne by the 

contractor. 

5.3.4 The apparatus (half) cases will be installed along the side of the Railway track 

at a regular interval of about 500 meter or as per location given by the site 

Engineer. 

5.4 INSTALLATION OF HYLUM SHEET BOARD INSIDE APPARATUS (HALF) CASE 

& INSTALLATION OF EMERGENCY SOCKET ALONGWITH EMERGENCY 

SOCKET BOX, ON THE HYLUM SHEET BOARD :- 

5.4.1 The Hylum sheet of size 480mm X 150mm of 10mm thickness will be installed 

inside the apparatus (half) case firmly, so that there may not be any rotation or 

play in the Hylum sheet. 

5.4.2 The emergency socket along with emergency socket box shall be installed on 

the already installed Hylum sheet firmly, so that there may not be any 

rotation or play in the emergency socket. The derivation / PIJF cable shall be 

directly terminated at the 6 Pin Emergency socket, fitted on the Hylum sheet, 

as per drawing No. Dy.CSTE/Con/W-43/2004 (MW). Hylum sheet & all the 

installation/fixing materials will be supplied by the contractor. The emergency 


Date………………… 

77


socket along with emergency socket box, will be supplied at the stores of 

Consignee, the transportation cost for which shall be borne by the contractor 

5.4.3 The casting of foundation and installation of apparatus (half) case & 

installation of Hylum sheet board inside apparatus (half) case & installation of 

emergency socket along with emergency socket box, on the hylum sheet 

board will be done as per Drawing No. Dy. CSTE/Con/W-16/2006 (MW) & 

Drawing No.CSTE/CON– 12/2000 (SK) 

5.5 ERECTION OF EMERGENCY SOCKET POSTS: 

5.5.1 Installation of Emergency Rail posts surrounding by 1m x 1m x 15 cm concrete 

platform and their painting shall be done. Emergency socket boxes shall be 

provided on Rail posts and these shall be erected along side of the Railway 

track on the locations given by the site Engineer. The derivation / PIJF cable 

shall be directly terminated at the 6 Pin Emergency socket fitted in 

Emergency socket Box shall be as per RDSO Specification No.TCA 20060 

with TCA 15220 alongwith latest amendments. 

5.6 PROTECTION AGAINST SURGE AND LIGHTENING: 

5.6.1 All the equipments shall be protected against the insurgence of surge voltage 

and lightening etc. by providing Gas discharge tubes before they are connected 

to main /derivation cables. 

GD tubes (rare gas type) with normal flashing voltage of 250-300 volts 

along with fuses of 3 amps. 250 volts shall be used as per TEC or IRS 

specifications. 

In cable Hut these shall be provided on Krone or mounted 

independently as per manufacturers instructions. 

The GD with fuses shall also be provided on LC gate, emergency , spare 

quads and derivation circuits. The block circuits shall be protected through 

block filter unit. 

All the GD tubes shall be suitably connected to proper earth. The 

earthing arrangement shall be provided with GI pipe earth as per Drg.No. 

CSTE/CON/OFC-3/2004. and detail instructions given in Chapter VI. 

5.7 ARRANGEMENTS AT 4 WIRE/ 2 WIRE JUNCTIONS 

5.7.1 When Control Circuits originate in a cable section and extend to a overhead section, a 

4/2 wire junction equipment of approved type will be provided at stations,. as 

directed by site engineer. 

5.7.2 The detail procedure for installation & wiring of junction equipment as given by 

manufacturer shall be followed. 

5.8 WIRING AND INSTALLATION OF TELEPHONES ETC. 

Wiring and installation of Selective Calling DTMF type 2 wire / 12 way L.C. gate telephones 

should be done at ASM’s room & L.C. gate huts or as per direction of site engineer... Wiring 

of control telephone & block telephone will be done in ASM’s room and other places (if any), 

as directed by site engineer. All installation materials for telephone will be supplied by the 

contractor 

5.9 INSTALLATION & TESTING OF 12V/35W SOLAR CHARGING SYSTEM COMPLETE 

ALONGWITH CHARGE CONTROLLER for DTMF type L.C.gate telephone, will be done as 


Date………………… 

78


per technical supplement/specification of manufacturer’s / supplier’s of solar charging system, 

on the direction of site engineer. All the installation materials for installation of ‘12V/35W 

solar charging system complete’ & wire mesh for covering of solar panels etc of ‘12V/35W 

solar charging system complete’ will be supplied by the contractor. 

5.10 INSTALLATION & TESTING OF 12V/70W SOLAR CHARGING SYSTEM COMPLETE 

ALONGWITH CHARGE CONTROLLER for 6 Quad PET cable repeater equipment will be 

done as per technical supplement/specification of manufacturer’s / supplier’s of solar charging 

system, on the direction of site engineer.All the installation materials for installation of 

‘12V/70W solar charging system complete’ & wire mesh for covering of solar panels etc of 

‘12V/70W solar charging system complete’ will be supplied by the contractor 

5.11 Technical Specifications of Block-Telephone :- 

Power Supply = 4.5V DC Nominal 

Insulation resistance (@500VDC) = 10MOhms between all wires in terminal strip & body 

Send level :- 

(5mV) at 1K.Hz across mic terminals (200 Ohms) = 0dB(774mV) min. across line terminal 

(600 Ohms) 

Side Tone = Less than –18dB(100mV) across receive terminals(200 Ohms) 

Receive effienciency :- 

(200mV) at 1KHz across……. ( - )24dB(100mV) across receive terminals 

line terminals (600 Ohms) 

(200 Ohms) 

Insertion Loss …………………………Less than 0.5db Listen condition & Less than 1.5db Talk 

condition 

5.12 Technical Specifications of APLAB CABLE ROUTE TRACER :- 

APLAB Cable Route Tracer Ferrolux-FL8-3Q to locate the under ground cables & depth 

measurement of cables & particular cable identification from bunch of cables. 


Date………………… 

79


SECTION-III 

CHAPTER-VI 

INSTRUCTIONS ON EARTHING OF TELECOM EQUIPMENTS. 

INSTRUCTIONS ON EARTHING OF TELECOM EQUIPMENTS. 

6.1. GENERAL 

These instructions cover the technical requirement and complete earthing for Optical Fibre 

Cable/Quad cable/RE main cable communication system and associated equipments in RE / 

Non RE area on Indian Railways. 

Reference is made to the following: 

i) The CCITT report on “Earthing of telecommunication installations 1976”. 

ii) The CCITT report on “The protection of Telecommunication Lines and 

equipment against lightning discharge s (Chapter 6.7 & 8) 1978. 

iii) CCIR Report 932 – Protection of Radio Relay stations against Lightning 

discharges. 

iv) RDSO/SPN/317/84 dt.25.10,85 “Code of Practice for the protection of Radio 

Relay stations against lightning”. 

v) RDSO No. S&T/Earth dtd.10.5.74 “instructions on earthing for Signalling and 

telecommunication equipment.” 

Earthing will be done as per RDSO Drg. No.TC-565 or CSTE/Con/GKP Drg. 

No.CSTE/Con/OFC-3/2004 

OBJECTIVE – The object of the earth may be one or more of the following : 

i) To provide a return path as for example in block instruments, unbalanced HF serial 

circuits etc. 

ii) To afford safety to personnel against shock by earthing the casing or other exposed paths. 

To protect equipments against build up of unduly high voltage by earthing protective 

devices like surge, arrestors and lightning discharges. 

iv) To ensure safe and reliable operation of equipment by eliminating/limiting induced 

voltage by earthing of metallic sheathing and armouring or cables. 

To provide path for heavy currents to ensure effective and quick operation of 

protective devices, as in power supply induced system. 

6.3. SOIL RESISTIVITY 

(i) The resistivity of soil depends upon the moisture content, chemical composition of the soil 

and concentration of salts dissolved in the contained moisture. Grain size mode of 

distribution and closeness of packing also affect the resistivity as these factors control the 

manner in which the moisture is held in soil. Many of these factors vary locally and some 

seasonally, and as such soil resistivity varies not only from location to location but also from 

season to season. Besides the areas where the soil is stratified, the effective resistivity also 

depends upon the underlying geological formation. 

(ii)Temperature also affects the resistivity of the soil. However, it is of consequence only 

around and below the freezing point, which means that earth electrodes should be installed 

at depths where frost can not penetrate. 

6.4. EARTH RESISTANCE 


Date………………… 

80


(i)The total resistance of an ‘earth’ is the sum of three separate resistance, (a) the resistance of 

the conductor joining the earth electrode to the installation (b) the contact resistance 

between the surface of the earth electrodes and the soil, and (c) the resistance of the body of 

soil surrounding the earth electrodes. 

(ii)Normally the first two resistances are negligibly small compared with third, so that 

resistance of an ‘earth’ is primarily determined by the nature of soil and not by the electrode 

itself. 

Maximum values of earth resistances specified for earthing Signalling and telecommunication 

equipt. are as under :- 

Sl.No. Equipment 

1 Telephone and Block instrument return circuit earths 

2 Earth for surge arrestors/lightning discharges for S&T equipment 

3 Equipment earth for optical fibre cable huts 

4 Telephone exchange earths 

5 All sheathed telecom cable screen earths in AC electrified areas 

6 Equipment earth in VF repeater station 

6.5. LIMITS OF EARTH RESISTANCES 

Maximum values of earth resistances specified for earthing Signalling and telecommunication 

equipt. are as under :- 

Sl.No. Equipment Value of earth Required in this 

work 

1 Telephone and Block Should not be more than 10 Ohms. Yes 

instrument return circuit 

earths 

2 Earth for surge Should not be more than 10 Ohms. Yes 

arrestors/lightning discharges 

for S&T equipment 

3 Equipment earth for optical Should not be more than 1 Ohms. No 

fibre cable huts 

4 Telephone exchange earths Should not be more than 5 Ohms. No 

5 All sheathed telecom cable Should not be more than 1 Ohms. No 

screen earths in AC electrified 

areas 

6 Equipment earth in VF Should not be more than 5 Ohms. Yes 

repeater station 

6.6. RESISTANCE OF EARTH ELECTRODE 

The resistance of the pipe and driven rod calculated from the following formula : 

100P4L 

R=log2.pl.ed: Where, P=Resistivity of soil in Ohm meter., L=Length of the rod or pipe in cm. 

And D=Diameter of rod or pipe in cm. 

The above formula shows that the resistance of a driven rod/pipe electrodes depends to a 

larger degree its buried length and to a lesser extent upon its diameter. The resistance of 

these electrodes in a soil of uniform resistivity decreases with depth but there is little to be 

gained by driving the rod to more than 3 to 3.5 M. Also the decrease in the resistance with 

increase in rod diameter is not significant . It is , therefore, recommended to use the rod 

electrodes of such diameter as can easily withstand the strain of driving 

6.7. EARTH ELECTRODES 


81 

Date…………………


Earthing arrangement shall normally consist of :- 

(a) One or more galvanized iron copies of not less than 38 mm internal diameter and not less 

than 2.5 m in length with a spike at one end and arrangement at the other for connecting the 

earth lead (Drg.No. CSTE/CON/OFC-3/2004) The pipe shall be embedded vertically. 

(b)Galvanized iron/steel rod of not less than 16 mm dia or Cu rod of not less than 12.5 mm 

dia and not less than 2.5 m length. The rod electrodes are driven vertically in the ground. 

(c)When rocky soil is encountered at a depth of less than 2.0 M or the length of the 

electrodes, the electrode may be buried inclined to the vertical, the inclination being limited 

to 30 Deg. from the vertical. 

(d)Earth resistance and date or last testing should be painted suitably on the earth pipe or 

wall of a nearby structure or post on a conveniently placed sign board. 

6.8. EARTH WIRES AND LEADS 

(i) Earth wires shall be protected against mechanical damage and possibility of corrosion 

particularly at the point of connection (welding between GI pipe and flange) of earth 

electrode either by providing painting or covering with tar. 

(ii) The earth wires should be 35 mm Sq. galvanized standard steel wire and connected to 

earth bus bar in the equipment room with by metallic clamp. The steel wire rope shall be 

connected with galvanized steel lug to the galvanized steel flange, which is welded on GI 

pipe. 

(iii) In case the conductor is buried underground, it should be protected from corrosion by 

an application of suitable anticorrosive paint or bitumen or varnish. The length of the cable 

so treated should extend half a meter beyond the buried length. 

(iv) The earthing leads should be of 16 mm Sq. standard Cu. Wire and shall connect all 

equipment earthing points i.e. battery charger, MDE etc. to the Cu. Bus bar of earth. 

6.9. LOCATION OF EARTH ELECTRODE 

(a) While the fundamental nature and properties of a soil in a given area cannot be altered. 

Local conditions can be utilized in choosing suitable electrodes sites as also a method of 

preparing the site selected to secure an optimum resistivity in strata under the surface loam. 

Clay and lime stone have lower resistivity, while sandy and rocky soils have higher 

resistivity. Therefore ,the site for earthing should be chosen in the following order or 

preference. 

Wet marshy ground and grounds containing refuse such as ashes cinders and brine waste. 

Clayed soil or loam mixed with varying quantities of sand. Damp and wet sand pit. 

(b) A site should be chosen which is naturally not well drained. A water logged situation, 

however, is not essential unless the soil be sandor gravel as in general no advantage results 

from an increase in moisture content above about 15% to 25% .Potential wells may also be 

used as sites for earth electrodes with advantage where the bottom of the earth is rocky. 

(i) Electrodes should preferably be situated in a soil which has a fine texture and which is 

packed by watering and ramming as tightly as possible. Where practicable the soil should be 

shifted and lumps should be broken up and stones removed in the immediate vicinity of the 

electrodes. 

Recourse may be had to chemical treatment of soil to improve the conductivity. 

Common salt is generally used for this purpose and the addition of less than on part of weight 


Date………………… 

82


of salt to 200 of soil moisture has been found to reduce the resistivity be 80% but there is 

little advantage in increasing the salt content above 3% Calcium Chloride, Sodium Carbonate 

and other substances too have been found beneficial. But before chemical treatment is 

applied, it should be verified that no deleterious effect on the electrodes will result. 

Use should be made where possible of natural slats in solid produced by 

bacteriological action on decaying plants. The resistivity of the soil on which plants are 

growing will be lo wer than that of similar soil in the absence of the plant. 

In places where the soil is extensively corrosive, the soil may be chemically examined 

before deciding the material of the earth electrodes.As far as possible the earthing 

arrangement should be located in the natural soil. The made up soil which has not 

consolidated or is likely to be eroded by weather , should be avoided. 

MULTIPLE EARTH ELECTRODES 

(i) Where more than one earthing arrangement are employed, the distance between 

earthing electrodes should not be less than 3 M. The earthing leads of separate earthing 

arrangement should be electrically insulated from each other through out and also from 

metallic structure in contact with the different earthing arrangement. 

(ii) The minimum clearances of equipment earth from system earth provided by the 

electrical department whether of the Railway or of the other administrations should be 20M. 

(iii) The telecom equipment earth in cabins may be connected to lever frame earth or earth 

provided for signalling equipment . Separate earths should be provided for telecom 

equipments in ASM’s office/cabins and screen / armour or Cu cables. 

There should not be any possibility of simultaneous human contact with metallic bodies 

connected to different earthing. Wherever it is not possible to provide suitable spacing for 

partition between various metallic bodies, they must be connected to a common earthing. 

6.11. EARTHING ARRANGEMENT UNDER SPECIAL CIRCUMSTANCES 

In the sections where earth resistivity is high , it may not be possible to get the desired value of earth 

resistivity by single pipe earth even after treatment, two or more earth may be made and connected in 

parallel by the galvanized steel wire rope arrangement to obtain the value of earth resistance within 

acceptable limits. Alternatively a ring earth may be made by burring the galvanized mild steel flat(50 

mm x 50mm x75mm) around the building, and connected to the earth bus barat least at 4 corners of 

the building. In lightning prone areas , also the ring earth is required to be provided. 

6.12. MEASUREMENT OF EARTH ELECTRODE RESISTANCE FALL OF POTENTIAL METHODS. 

In this method two auxiliary earth electrodes besides the test electrodes are placed at suitable 

distances from the test electrodes. A measured current is passed between theelectrode ‘A’ to be tested 

and an auxiliary current electrodes ‘C’ and the potential difference between the electrode ‘A’ and the 

auxiliary pote ntial electrode ‘B’ is measured. 

The resistance of the test electrodes ‘A’ is then given by R=V/I where, 

R=Resistance of the test electrodes in Ohms. 

V=Reading of the volt meter in Volts. 

I=Reading of the Ammeter in Amps. 

6.13. MEASUREMENT OF EARTH RESISTIVITY 

(i) Earth testers normally used for these tests comprised the current source and the meter in a single 

instrument and directly read the resistance. The most frequently used earth tester is the 4 terminal 

megger. The resistivity may be evaluated from equation. 


Date………………… 

83


P=2pi SR, where , P=Resistivity of the soil in Ohms-meters, S=Distance between successive 

electrodes in Meters, R=Megger reading in Ohms. 

(ii) TEST PROCEDURE 

At the selected test sites, 4 electrodes are driven into the earth along a straight line in a chosen 

direction at equal intervals ‘S’ (unequal spacing may also be used but this will make the formula 

unnecessarily complicated). 

The depth of the electrodes in the ground shall be of the order of 10 to 15 cm The megger is placed on 

a steady and approx. level based, the link between terminal P1 and C1 opened and the four electrodes 

connected to the instrument terminals as shown in the figure. An approx. range on the instrument is 

then selected to obtain clear reading avoiding the two ends of the scale as far as possible. The reading 

are taken while turning the crank about 135 revolution per minute. The resistivity is calculated by 

substituting the values of ‘R’ in the equation 

P=2pi.SR 

6.14. MAINTENANCE AND TESTING OF EARTHS 

i) Earths should be watered regularly. 

ii) All earths and connections should be examined at intervals of not more than one month, to 

ensure that all connection are intact and soldered joints are in proper conditions. 

iii) Resistance of every earth should be measured at intervals not exceeding one year. Earth 

resistance, date of last test and location of earth should be entered in the maintenance register. 


Date………………… 

84


SECTION-III 

CHAPTER-VIII 

TECHNICAL SPECIFICATION FOR OVERHEAD DISMANTLING WORKS 

Item No. A-IV(6) : Dismantling of GI wires and ACSR wires : 

For dismantling, the contractor shall open out all the binding wires, pulley blocks 

shall employed to release the wires from the neck of insulators at transposition points. ACSR 

wires shall not be drawn out over the channel brackets, lest it may not get damaged, instead jute 

sack cloth shall be tired on the brackets and the ACSR wire pulled over the sack cloth .The wire 

should be coiled in a systematic manner so that these are not damaged. The line wires shall be 

deposited at the stores of consignee the transportation cost for which shall be borne by the 

contractor. 

Item No. A-IV(4) : Dismantling of stay wires etc. : 

The contractor shall dismantle the stays by digging the pit end taking out the 

anchor . The rail clamps are opened out from rail posts. Anchor plates, stay rods, stay wires, 

straining screws, rail clamps with bolts and nuts shall be collected in a systematic manner and 

deposited in the stores of consignee by the contractor, the transportation cost for which shall be 

borne by contractor. 

Item No. A-IV(8) : Dismantling of stalks and insulator : 

The contractor shall dismantle all the stalks and insulators, the isolators unscrewed 

out of the stalks , while dismantling the stalks with threaded end care shall be taken that the nuts 

at the treaded ends are properly secured to the threaded stalks. 

Item No. A-IV(7) : Dismantling of rail posts and its accessories : 

The contractor shall first dismantle lightening spikes, ties, struts, strut supports 

transposition brackets, bracket attachment , etc. from the rail posts. After then the pit shall be 

dug, the depth of the pit shall be equal to the length of the rail post underground, its length shall 

also be equal to its depth, the width of the pit shall be equal to the diameter of the rail base. The 

rail should then be gently pulled opposite to the length of the pit, after which the rail should be 

gently pulled out of the pits. This is to be ensured by the contractor so that the rail post does not 

get bent. 

After the rail post is taken out the pit should be filled up and leveled. 

The accessories except rail post as listed above shall be deposited in the stores of 

consignee, the rail posts shall be handed over the engineer at site at the station at either end of 

block section as decided by engineer-at-site the transportation cost for which shall be borne by 

the contractor. 

NOTE- 

Before dismantling joint survey shall be made by the engineer in charge and the 

contractor to assess the materials to be released. The detailed report in respect of 

each item to be released should be prepared, signed by the engineer in charge and 

the contractor. A copy of the same shall be submitted in the office of consignee. 


Date………………… 

85



CHAPTER – VIII 

LIST OF SPECIFICATIONS 

8.1. LIST OF SPECIFICATIONS OF MAJOR EQUIPMENTS AND MATERIALS 

REQUIRED IN CONNECTION WITH THIS WORK. 

Where specification No. is mentioned in Schedule of work or in chapters relating to 

technical specifications of individual equipments such specifications Nos. will be 

followed and will have priority over specification Nos. given in this chapter. 

Wherever specific numbers are not mentioned, the appropriate specification No. from 

the following list will apply :- 

1- Automatic radio patching system for control circuit using DTMF signaling in 

Optic fiber communication to IRS-TC-59-93 (with latest amendments) 

2- Blow lamp to IS/SPN-11463-1986 (with latest amendments) 

3- Balancing condensers to IRS-TC/49/93 (with latest amendments) 

4- Cable termination boxes of sizes as per IRS-TC/18/75(with latest amendments) 

5- Cable PVC screened 0.6 mm Twin core to ITD-117(B) (with latest amendments) 

6- Cable polyethylene insulated polythene sheaths jelly filled Telecom cable with 

poly-AL moisture barrier to IRS-TC-41-97(with latest amendments) 

7- Cable 4 quad telecom for RE areas as per IRS-TC-30/96(with latest amendments) 

8- Cable jelly filled U-G Telephone cable to IRS-TC-41/97(with latest 

amendments) 

9- Cable switch board as per IRS/TC/24/91 or ITD 1138(with latest amendments) 

10- DTMF equipment to IRS/TC/60/93(with latest amendments) 

11- Gas discharge tubes to IRS/TC-5/94(withdrawn) 

12- GD tubes 2 pins, 3 pins for MDF and O/H lines to spen. No.G/PTN-01/01 Nov.91 

13- GI pipe to Spen. No.IS-1239(with latest amendments) 

14- GI through to Drg.No.S&T/RE/78/2/76 Page 2 complete with straps 

15- Cotton waste to DGS&D specn. No.G/TEK/C/24/D(with latest amendments) 

16- Adhesive PVC tape to specn.IS-2448/1962/2(with latest amendments) 

17- Bituman compound to specn. No.IRS-TC-25-76(with latest amendments) 

18- Binding wires Galvanised 18 SWG 1.25 mm dia IS-280/1982 (with latest 

amendments) 

19- Cotton tape 50 mm / 12 mm RDSO specn. 210-71(with latest amendments) 

20- Internal DP with LSA Plus module 20/30/50/100 pairs to spec. No.G/CTN-10/01 

Sep.92(with latest amendments) 

21- KRONE module with 1-/20 Pr.DP to specn. No.G/CTN/10/01 Sep.92(with latest 

amendments) 

22- KRONE terminal block to specn.No.TE 341 AKS92(with latest amendments) 

23- Paraffin wax to specn. No.IS:3-41/1070 (with latest amendments) 

24- Protector magzine KRONE for 2/3 Pin GD tubes to specn. No.TE 421 DR 1 Jan 

91(with latest amendments) 

25- Resin core solder 60% Grade 60 in shape of wore IS-1921-61(Latest) 

26- RCC pipe/split RCC pipes IS:458 (with latest amendments) 

27- Single pair protector module for use on MDFs of Tel.Xge specn.No.G/PTN-10/01 

Dec 92(with latest amendments) 


Date………………… 

86


28- Thermo shrink jointing kit for PIJF/4 quad telecom cable sizes 1,2,3 and 4 as per 

DOT/TEC/20/1A/OL 92 with RDSO modification. 

29- Emergency control room equipment as per IRS-TC-61-93(with latest 

amendments) 

30- Emergency socket box as per RDSO’s Drg.No.TCA-20060(Adv) 

31- Six pin plug and socket IRS-TC-42/87(with latest amendments) 

32- Four wire emergency portable telephone to IRS-TC-75/99(with latest 

amendments) 

33- Four wire way station control telephone to IRS-TC-38-35(with latest 

amendments) 

34- Magneto telephone electronic desk type as per specn. No.IRS-TC-79/2000(with 

latest amendments) 

35- Lead wire of colours (W.R.G.B.) specn. ITD S/WJ (with latest amendments) 

36- Wire PVC twin CORE flexible 16/0.2 mm dia IS-694 (Pt.II) (with latest 

amendments) 

37- Wire PVC switch board as per ITD 1138 (with latest amendments) 

38- 2T(1 Quad)V.F. Transformers of different types required for transformer joints 

to IRS-TC-22/78 (with latest amendments) 

39- Cable termination Boxes of sizes as per IRS-TC-18-75(with latest amendments) 

40- Jumper wire PVC specn.No.G/WIR-10/02 Dec.94(with latest amendments) 

41- Telecommunication tip cable as per IRS-TC-24-91(with latest amendments) 

42- V.F. and signaling transformer used for derivation and termination of 

underground telecommunication cable circuits IRS- TC –22 –76. (with latest 

amendments) 

43- Transmission measuring set as per IRS –TC-43/ 87(with latest amendments). 

44- Digital capacitance unbalance measuring set IRS –TC- 48-90 (with latest 

amendments). 

45- Cross talk measurement instrument RDSO IRS- TC-45/88(with latest 

amendments) 

46- Psophometer and impedance bridge to RDSO Specn. STE/ RE/C/SPN/(M1)- 

1975(with latest amendments) 

47- Thermo shrink jointing bit size RTSF (75/15 mm) and Thermo shrink jointing 

bit size RT SF2 42/6mm for 4/6 Quad cable specification IRS TC 77/2000. (with 

latest amendments). 

48- Cable fault locator as per TEC Specification No.G/TIE-02/02 July-99 (with latest 

amendments). 

49- Cable route tracer as per TEC Specification No.G/TIE-01/02 Oct-99 (with latest 

amendments). 

8.2 The copy of specifications can be purchased from following sources: 

(1) IRS specification 

RDSO, Manak Nagar, Lucknow 

(2) Manager of Publications, 

Government of India, Civil Lines , New Delhi- 110 054 

Government of India Book Depot. 

RDSO specifications and RDSO drawings. 

RDSO, Manak Nagar, Lucknow 


Date………………… 

87


(5) DOT/TEC/ITD specification. 

Khursheed Lal Bhawan, Janpath.,New Delhi. 

B.I.S.specification: 

Directorate General, Indian Standards Institution,9-Bahadurshah Zafar 

Marg, New Delhi 

F-Block, Unity building. Narshimharaja Square,Bangalore-560002 

534 Sardar Ballav Bhai Patel Road, Bombay. 

5-Choweringhee Approach, PO Princep Steeet, Calcutta07200072 

Ahinsa Building (Ist.Floor) SCO 82-83,Sector 27-C, Chandigarh, 

5-8,56/57, L.N.Gupta Marg, Hyderabad-500001 

117/4 18-B, Sarvodaya Nagar,Kanpur-208 005. 

CIT Campus, Adyar, Madras-600 020. 

8.3 The specifications and drawings referred in the tender document but not enclosed 

may be obtained from the office of the CSTE/Con/GKP on any working day on 

prescribed payment as per prevailing rules of Railway in-forced from time to time . 


Date………………… 

88


(Executed on non judicial stamp paper) 

Name of the Bank....................................................... 

Bank Guarantee Bond No. and date...................................valid up to............................. 

Amount of Bank Guarantee Bond......................................... 

PERFORMANCE GUARANTEE BOND 

In consideration of the President of India acting through, Chief Signal & Telecommunication 

Engineer/Con/N.E.Railway, Gorakhpur-273001 (hereinafter called "The Government") having agreed 

under the terms and conditions of contract under Acceptance Letter 

No.........................................................dated......................made between Chief Signal & 

Telecommunication Engineer/Con/N.E.Railway, Gorakhpur and agency M/s /Shri (herein after "the 

said contractor(s)" for the work 

"......................................................................................................................................................................... 

.................................................................................................................................................................. 

called "the said contract") having agreed for submission of a irrevocable Bank Guarantee Bond 

equivalent to 5% of the contract value as indicated in the aforesaid contract for Rs...............(Rupees 

.................................................................only) as a performance security Guarantee Bond from the 

contractor(s) for compliance of his obligations in accordance with the terms & conditions in the 

aforesaid contract. 

1 We, ......................................................................... (Indicate the name of the Bank) hereinafter 

referred to as the Bank, undertake to pay to the Government an amount not exceeding 

Rs.......................(Rs.................................................only) on demand by the Government 

We,...........................................(indicate the name of the bank), further agree that and promise) 

to pay the amounts due and payable under this guarantee without any demur merely on a demand 

from the Government through the FA&CAO/Con/N.E.Railway, Gorakhpur, stating that the amount 

claimed is due by way of loss or damage caused to or would be caused or suffered by the Government 

by reason of any breach by the said contractor of any of the terms of conditions contained in the said 

contract agreement or by reason of the contractor failure to perform the said agreement. Any such 

demand made on the Bank shall be conclusive as regards the amount due and payable by the Bank 

under this guarantee. However, our liability under this guarantee shall be restricted to an amount not 

exceeding Rs........................(Rupees.................................. only). 

We,........................................(indicate the name of Bank) further undertake to pay to the 

Government any money so demanded notwithstanding any dispute or dispute raised by the 

contractor(s) in any suite or proceeding pending before any court or Tribunal relating to liability 

under this present being absolute and unequivocal. 

The payment so made by us under this bond shall be a valid discharge of our liability for 

payment there under and the contractor(s) shall have no claim against us for making such payment. 

We,...........................................(indicate the name of bank) to further agree that the guarantee 

herein contained shall remain in full force and effect during the period that would be taken for the 

performance of the said agreement and that it shall continue to be enforceable till all the dues of the 

Government under or by virtue of the said agreement have been fully paid and its claims satisfied or 

discharged by .....................(contracting authority) on behalf of the Government, certify that the terms 

and conditions of the said agreement have been fully and properly carried out by the said 

contractor(s) and accordingly discharge this guarantee. 

Not withstanding anything to the contrary contained herein the liability of the bank under 

this guarantee will remain in force and effect until such time as this guarantee is discharged in writing 

by the Government or until (date of validity/extended validity) whichever is earlier and no claim 


Date………………… 

89


shall be valid under this guarantee unless notice in writing thereof is given by the Government 

within validity/extended period of validity of guarantee from the aforesaid date. 

Provided always that We........................................... (indicate the name of the Bank) 

unconditionally undertakes to renew this guarantee on to extend the period of guarantee form year to 

year before the expiry of the period or the extended period of the guarantee, as the case may be on 

being called upon to do so by the Government. If the guarantee is not renewed or the period 

extended on demand, We..................................... (indicate the name of the Bank) shall pay the 

Government the full amount of guarantee on demand and without demur. 

We,.............................................(indicate the name of Bank) further agree with the 

Government that the Government shall have the fullest liberty without our consent and without 

effecting in any manner out of obligations hereunder to vary any of the terms and conditions of the 

said contract from time to time or to postpone for any time or from time to time any to the powers 

exercisable by the Government against the said contractor(s) and to forbear or enforce any of the 

terms and conditions of the said agreement and we shall not be relieved from our liability by reason 

of any such variation or extension being granted to the said contractor(s) or for any forbearance act 

or omission on the part of the Government or any indulgence by the Government to the said 

contractor(s) or by any such matter or thing whatsoever which under the law relating to sureties for 

the said provision would relive us from the liability 

This guarantee will not be discharged by any change in the constitution of the Bank or the 

Contractor(s). 

We........................................................., (indicate the name of the Bank) lastly undertake not to 

revoke this guarantee except with the previous consent of the Government in writing. 

This guarantee shall be valid up to .............................(Date of Completion plus Maintenance 

Period). Unless extended on demand by Government. Notwithstanding anything to the contrary 

contained hereinbefore, our liability under this guarantee is restricted to Rs.................. 

(Rupees....................................) unless a demand under this guarantee is made on us in writing on or 

before..................... 

We shall be discharged from our liabilities under this guarantee thereafter. 

Date……………………….the day of........................2009 

Signature and seal of Authorised official of Bank 

Designation 

(Name of bank) 

Full Address 


Date………………… 

90


N.E. RAILWAY 

SCHEDULE OF WORK 

NAME OF WORK: - SHIFTING OF EXISTING WORKING TELECOM EQUIPMENT TO NEW LOCATIONS 

(REMOTE HUT) AT IZZATNAGAR, DOHNA, BHOJIPURA, BAHERI, KICHHA, PANTNAGAR STATIONS IN 

BAREILLY-LALKUAN SECTION OF IZZATNAGAR DIVISION OF N.E.RAILWAY DUE TO SHIFTING OF 

ALINGMENT AS A RESULT OF GAUGE CONVERSION, DISMANTLING OF OVER HEAD ALINGMENT BETWEEN 

BAREILLY CITY - BPR (20KM) OF IZZATNAGAR DIVN.AND INSTALLATION OF ELD IN BE-LKU SECTION. 

ESTIMATED VALUE RS :- 39,35,674.5 

GROUP-A-I 

(EXECUTION/INSTALLATION WITH 

SUPPLY OF IRON & STEEL, 

RATED QUOTED ARE __________% (IN FIGURE) 

__________%(IN WORDS ) 

FOUNDRY & FORGING BASED 

COMPONENTS.) ALL 

ABOVE/BELOW ON GROUP A-I 

DRAWINGS/SPEC. WILL BE AS PER 

LATEST. 

APPROX VALUE-RS 1,40,400 

GROUP-A-II (COPPER / LEAD BASED 

COMPONENTS, SUPPLY & 

INSTALLATION ETC.) ALL 


LATEST. 

APPROX VALUE-RS 5,63,874.4 

GROUP-A-III (RUBBER / PLASTIC / 

OTHER MATERIALS BASED 

COMPONENTS SUPPLY, 

INSTALLATION IN DIFFERENT 

ACTIVITIES.) ALL DRAWINGS/SPEC. 

WILL BE AS PER LATEST.APPROX 

VALUE-RS 17,79,441 

GROUP-A-IV (DESIGN, DRAWING & 

MISC MATERIALS.) 

APPROX VALUE-RS 6,16,249.1 

GROUP-A-V (DIGITAL COMPONENT 

BASED MATERIALS, SUPPLY, 

INSTALLATION ETC.) ALL 


LATEST. 

APPROX VALUE-RS 8,35,710 

GENERAL REBATE IF ANY 

RATED QUOTED ARE 

ABOVE/BELOW ON GROUP A-II 


ABOVE/BELOW ON GROUP A-III 


__________% (IN FIGURE) 

__________%(IN WORDS ) 

__________% (IN FIGURE) 

__________%(IN WORDS ) 

__________% (IN FIGURE) 

__________%(IN WORDS ) 

ABOVE/BELOW ON GROUP A-IV 

RATED QUOTED ARE ___________% (IN FIGURE) 

ABOVE/BELOW ON GROUP A-V 

___________%(IN WORDS ) 

GENERAL REBATE (IF ANY) ON ALL THE ABOVE 

SCHEDULE/ANNEXURES 

_______________________________%(IN FIGURE) 

_______________________________%(IN WORD) 

NOTE:- (I) REBATE (BOTH IN FIGURE AND WORDS ) IF ANY TO BE WRITTEN ON THIS PAGE ONLY NOT IN THE 

COVERING LETTER. 

(ii) PLEASE NOTE ITEMWISE RATES FOR DIFFERENT SCHEDULES WILL NOT BE ACCEPTABLE AND THE 

TENDER WILL BE SUMMARILY REJECTED IF ITEMWISE RATES ARE QUOTED. 

(III) IT IS TO BE NOTED THAT SUCH REBATE IF OFFERED, SHALL APPLY ON THE RATES QUOTED FOR ALL THE 

ITEMS IN ALL THE GROUPS OF THE SCHEDULE OF WORK OF TENDER DOCUMENT. SUCH A REBATE SHALL BE 

TOTALLY UNCONDITIONAL. 

(IV) IN CASE A TENDERER DOES NOT WISH TO GIVE ANY FRBATE, HE SHOULD WRITE ”NIL’(IN RATE INDEX 

AT ANNEXURE-I). IN CASE NOTHING HAS BEEN FILLED IN BY THE TENDERER, IT WILL BE TREATED AS “NIL” 

AND SHALL BE SO RECORED IN THE BLANKS AT THE TIME OF OPENING OF TENDER BY THE OFFICIALS 

OPENING OF THE TENDERS. 

(V)IF ANY TENDERER GIVES ANY TYPE OF CONDITIONAL REBATE, SUCH REBATE SHALL NOT BE 

CONSIDERED FOR EVALUATION OF THE TENDER. 

(VI) THE TENDERER SHOULD STRIKE OUT EITHER ”ABOVE” OR “ BELOW” WHICH EVER IS NOT APPICAB LE, 

OTHER WISE RATE WILL BE CONSIEDRED AS “ABOVE” FOR ALL PURPOSE CONNECTED WITH THIS TENDER. 


Date………………… 

91


N.E. RAILWAY 

SCHEDULE OF WORK 

NAME OF WORK: - SHIFTING OF EXISTING WORKING TELECOM EQUIPMENT TO NEW 

LOCATIONS (REMOTE HUT) AT IZZATNAGAR, DOHNA, BHOJIPURA, BAHERI, KICHHA, 

PANTNAGAR STATIONS IN BAREILLY-LALKUAN SECTION OF IZZATNAGAR DIVISION OF 

N.E.RAILWAY DUE TO SHIFTING OF ALINGMENT AS A RESULT OF GAUGE CONVERSION, 

DISMANTLING OF OVER HEAD ALINGMENT BETWEEN BAREILLY CITY - BPR (20KM) OF 

IZZATNAGAR DIVN.AND INSTALLATION OF ELD IN BE-LKU SECTION 

Sl.n 

o. 

Description of work unit Qty 

Suppl 

y 

Rates 

Executio 

n 

Total 

rate 

Amount 

GROUP-A-I (EXECUTION/INSTALLATION WITH SUPPLY OF IRON & STEEL, FOUNDRY & 

FORGING BASED COMPONENTS.) ALL DRAWINGS/SPEC. WILL BE AS PER LATEST. 

1 

2 

3 

Fixing & laying of HDPE pipe on 

girder bridge by fixure made of 

galvanised channel of size 

50x50x5 mm suitably clamped to 

bridge fixed on bottom chord of 

the girder bridges as per Drg. No. 

CSTE/CON/OFC-4/2004 & AS per 

direction of site engineer.( The 

HDPE pipe only shall be supplied 

by RLY ,all other materials shall 

be arrange by the contractor . 

Supply of earthing material & 

provision of earthing at cable hut 

& other places as advised by site 

engineer .This will includes laying 

of lead wire connevting to earth 

electrode and to the equipment 

.The work will be done as per 

technical supplement .( Earthing 

to be done as per RDSO DRG. 

NO. tc-565 ) Inspection : 

Consignee 

Instalation &supply of calling on 

board for driver made from ms 

sheet size 1000X600X1.6 mm 

fited with ms angle size 40X40X6 

mm Ienth 3.5 metere to be 

insulated on two founditaion size 

900X450X450 mm. of concrete 

mixture of 1:3:6 as per direction of 

site engineer .height of board 

(top) shall be 2100mm. from rail 

level. all material required for 

fabrication ,welding &instalation to 

be supplied by contractor .this 

activity also inculdes writing 

&painting work with luminious 

paint .inspection consignee . 

mtr 500 0 147 147 73500 

no 10 0 2058 2058 20580 

no. 12 0 4189.5 4189.5 46320 


Date………………… 

92


Total Group A-I 140400 

GROUP-A-II (COPPER / LEAD BASED COMPONENTS, SUPPLY & INSTALLATION ETC.) ALL 

DRAWINGS/SPEC. WILL BE AS PER LATEST. 

1 

2 

3 

4 

5 

A 

Fabrication & erection of 

emergency rail post ,surrounded 

by 1M*1M*15 CM concrete 

platform as per sketch complete 

with emergency socket & socket 

box with locking arrangement & its 

wiring along the Railway track at 

location to be indicated by the 

site engineer ( Rail & emergency 

socket box shall be supplied by 

RLY ) all other required materials 

will be supplied by the contractor 

and work will be done as per 

technical specification supplement 

given in tender booklet .Rail post 

of suitable size to be cut by the 

contractor and painted as per 

technical supplement 

/specification Emergency socket 

box shall be painted by orange 

paint. 

Supply of emergency socket 

confirming 

to IRS-TC-42-87 with latest 

amendment. Inspection : 

Consignee 

Supply of emergency socket box 

made of FRP materials as per 

RDSO /SPN/TC/ 44/2002 V-2 with 

latest amendment confirming to 

RDSO drawing no. TCA-2006 

along with latest amendment ( 

Thickness of base plate is to be 

4mm ,rest 2 mm Inspection : 

RDSO 

Wiring & installation of LC gate 

telephones/Control 

Telephones/Block 

telephones, at LC gates and 

stations as 

per site requirement. This will 

include 

wiring & installation materials as 

per 

technical supplement/specification 

given in tender booklet 

Supply of Electronic L.C. gate 

Telephone as per specification 

No. 

RDSO/SPN/TC/51/04 as under :- 

Inspection: Consignee 

Master unit Set 9 5752. 

6 

no 25 0 2714.6 2714.6 67865 

No 100 431.2 431.2 43120 

no 100 0 1119.16 1119.16 111916 

no 30 0 127.4 127.4 3822 

0 5752.6 51773.4 


Date………………… 

93


B 

C 

6 

7 

Slave Unit Set 30 5022. 

2 

0 5022.2 150666 

24Power pack with MF battery 7 Set 8 6174 0 6174 49392 

AH for electronic L.C.gate 

telephone 

Supply of magneto telephone no 20 1950 0 1950 39000 

Desk type as per IRS -TC- 79- 

2000 with latest amendment. 

Inspection-consignee. 

Supply of SMF battery ( sealed no 8 5790 0 5790 46320 

maintenance free ) 12 v/ 80 AH 

Exide / okaya Inspection: 

Consignee 

Total Group A-II 563874.4 

GROUP-A-III (RUBBER / PLASTIC / OTHER MATERIALS BASED COMPONENTS SUPPLY, 

INSTALLATION IN DIFFERENT ACTIVITIES.) ALL DRAWINGS/SPEC. WILL BE AS PER 

LATEST. 

1 Laying of cable 

1(i) 

1(ii) 

1(iii) 

Note:-(a)-payment will be made as 

per actual work done on pro-rata 

basis, if required depth is not 

available at site. 

(b)- if the depth of trench is not 

uniform in a span of 1oo mtr. Or 

shorter lengths if site condition 

demands along the cable run, 

minimum depth will be taken for 

that particular stretch for payment. 

Trenching up to depth of 1.0 

metre & 26 cms wide in all type of 

soil , back filling after laying of 6 

quad cable at 1.0 mtr depth 

ramming & consolidation of soil in 

trenches as well as disposal of 

soil if any .This includes all 

preventive works & all materials 

supplied by contractor ,if required. 

Excavation of trench less track 

under Railway track /busy road 

etc as depth of 1.0 mtr below 

ground level and culvert ( in HDD 

portion ) laying of 100 mm dia G.I. 

pipe of medium grade in it ( 

G.I.Pipe shall be supplied by the 

contractor ) 

Laying of 6 Quad tele com cable 

& derivation cable ( PIJF cable ) in 

trenches ,HDPE pipe ,G.I. pipe 

etc ( protective works already 

provided ) as per technical 

specification supplement given in 

tender booklet 

Km 25 0 19194 19194 479850 

mtr 200 0 795 795 159000 

km 30 0 3934.7 3934.7 118041 


Date………………… 

94


1(iv) 

Trench less boring by using HDD 

method for laying of DWC HDPE 

ducts ( 40/33 mm dia ) 

mtr 800 0 307.2 307.2 245760 

1(v) 

2 

3 

4 

Trenching to a depth of 1.0 metre 

& 26 cms wide base for concrete 

platform /pucca road as per cable 

route plan and its refilling after 

cable laying and repairing of 

excavated platform /road to 

original condition after laying of 

HDPE pipe . The responsibility of 

obtaining permission from civil 

authorities like municipality 

,PWD,Forest etc rest with the 

tenderer ( all the materials 

required for repairing of road / 

plate form shall be supplied by the 

contractor ) HDPE pipe shall be 

supplied by Railway 

Installation of thermo shrink 

jointing kit ( RTSF-4 ) for 

underground Quad /PIJF cable as 

per RDSO specn no. IRS; TC-77- 

2000 with latest amendment 

Supply of thermo shrink jointing 

kit ( RTSF-4 ) for underground 

Quad /PIJF cable as per RDSO 

specn no. IRS; TC-77-2000 with 

latest amendment Inspection: 

RDSO 

Shifting of repeater Equipment 

from existing locations along with 

wiring commissioning and testing 

to new locations 

mtr 400 49.3 49.3 19720 

no 150 0 1577.8 1577.8 236670 

no 250 1862 0 1862 465500 

No. 3 0 18300 18300 54900 

Total Group A-III 1779441 

GROUP-A-IV (DESIGN, DRAWING & MISC MATERIALS.) 

1 

Supply & fixing of 12 pair weather 

proof C.T,box with locking 

arrangement consisting of :- 

Inspection: Consignee 

(i) Two conductor disconnect 

terminal block (gray) for 6-Quad 

(i.e.12 pair). 0.08 Sq.mm,Center 

Marking, Carrier Rail Din- 

35,Front-Entry,Cage Clamp 

connection, Horizontal Type. 

Wago Part No.280-870 or similar 

(12 Nos.) 

no 25 0 3243.8 3243.8 81095 


Date………………… 

95


2 

3 

4 

5 

6 

(ii) Two conductor disconnect 

terminal block (blue) for 6-Quad 

(i.e.12 pair). 0.08 Sq.mm,Center 

Marking, Carrier Rail Din- 

35,Front-Entry,Cage Clamp 

connection, Horizontal Type. 

Wago Part No.280-870 or similar 

matching with item No. 8(i) above 

(12 Nos.) 

(iii) Screw less End stop (gray),6- 

Sq.mm/0.236 in wide Carrier Rail 

Din-35.Wago Part No.249-116 or 

similar, suitable for item No. 8(i) & 

8(ii) above(2 No.) 

(iv) End & intermediate Plate 2.5 

mm/0.098 (in thick orange) Wago 

Part No. 280-370 or similar, 

suitable for item No.s8(i) & 8(ii) 

above (1 No.) 

(v)WMB Multi marking system. 

Wago Part No.793-502 or similar, 


above (1 No.) 

(vi) Steel Carrier Rail 35X7.5, 1 

mm/0.039 in thick unslotted,yellow 

with crome,Wago Part No.210- 

229/PW 11-0000 or similar, 


above. (8" long -1 No.) 

(vii) Weather proof box, 

IP55,190X140X700 mm with 

cable glands.Wago Part 

No.GW440007 or similar, suitable 

for item No.s8(i) & 8(ii) above (1 

No.) 

Supply of digital insulation tester 

500 volts model no AGRONICIT-5 

or similar Inspection-consignee. 

Shifting of O.F.C. pota hut & 

existing STM & D / I MUX at 

newly constructed O.F.C. hut at 

LKU station 

Dismantling of stay arrangement 

( making coil of stay wire ) & rail 

clamp from the Rail Post its 

deposit to store of engineer 

SSE/Tele/con/BNZ at Bareilly City 

Dismantling of Brakets, C.I. Block, 

M.bolts , insulators & its deposit 

to store of engineer 

SSE/Tele/con/BNZ at Bareilly City 

Dismantling of G.I.Wire & ACSR 

wire ( making its coil of minimum 

1.0 metre dia & 40 kg weight ) & 

its deposit to store of engineer 

SSE/Tele/con / BNZ at Bareilly 

City 

no 10 4034. 

66 

0 4034.66 40346.6 

no 1 0 35420 35420 35420 

no 200 0 65 65 13000 

no 1550 0 55 55 85250 

Km 75 0 227.5 227.5 17062.5 


Date………………… 

96


7 

8 

9 

Dismantling of Rail Post , Rail 

base ( with rail base ) & its 

deposit to store of engineer 

SSE/Tele/con/BNZ AT Bareilly 

City 

Dismantling of stalk, Insulator & 

its deposit to store of engineer 

SSE/Tele/con/BNZ AT Bareilly 

City 

Transportation of materials 

including loading and unloading 

from one consignee store to one 

another consignee store of S& T 

/CON/Unit and also in izatnagar 

division Note:- payment will be 

made based on capacity of the 

truck and the 

distance covered. 

no 275 0 201 201 55275 

no 2600 0 3 3 7800 

perTo 

n per 

km 

50000 0 5.62 5.62 281000 

Total Group A-IV 616249.1 

1 

2 

GROUP-A-V (DIGITAL COMPONENT BASED MATERIALS, SUPPLY, INSTALLATION ETC.) 

ALL DRAWINGS/SPEC. WILL BE AS PER LATEST. 

Installation &t esting of solar cell 

including supply of all installation 

materials and wire mesh for 

covering sollar cell. Inspection: 

Consignee 

Earth leakeges detector 

multichhanel to specification 

N.RDSO/SPN/256/2002 OR latest 

with 6 digit counter( in 19"sub 

rack with insulation tester) 8 

channels .each ELD conssiting of 

110V-AC-4Nos.14VDC-4 nos.(8 

channel) with limitation of 

detecting current up to 200micro 

AMP and on line insulating testing 

facility make:Anu vidyut or simllar. 

Inspection: RDSO 

Total Group A-V 

GRAND TOTAL GROUP 

A(I+II+III+IV+V) 

no 5 0 2100 2100 10500 

no. 9 86,69 

0 

5,000 91,690 825210 

(Rs.Thirty nine lac thirty five thousand six hundred seventy four and fifty paisa only) 

835710 

39,35,674. 

50 

END OF DOCUMENT 


Date………………… 

97

GOVERNMENT OF INDIA North Eastern Railway ... - Tenders India

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