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Subject : Pre-bid clarification on queries received from Industry Participants of TPWS: Date-30.06.2011 TENDER NO. WR/S&T/HQ/2010-11/05 Virar (at Km 60)-Vadodara (at Km 397) section Sr. No. Cl. No. Firm T y p 126 Page No 72,clause 4.45 127 Page No 100 Schedule A4.17 128 Page No 101, Schedule B1.1 129 Page No 101, Schedule B1.2 Siemens Siemens Siemens Siemens T - R T - W S E T - W S T - R D S O T - W S T - R D S O Original Text Clarification needed Clarification of Western Railway Kindly consider warranty for 2 years & 3 years AMC period. Supply of materials & Installation for Testing facility at Loco Shed is covered from Item No. A4.1 to A4.16. Please clarify what is meant by renovation and simulation set up as per item no A4.17 Since the approximate no of signals are 835 & proposed LEU quantity is only 560,please clarify-- 1) Whether 1 LEU to configure more than one signal If opposite line signal configured in one LEU, then failure of LEU may affect both the lines services. Please clarify your proposal / scheme for LEU & signal Since the approximate no of signals are 835, the no of switchable balises will be same (835). To provide the brake up of infill and repositioning balises signaling roll plan is required. Also please clarify the requirement of infill balises viz, For which signals infill to be provided (e.g only main line signals and not for loop line) Tender Condition remain unchanged. This Para is self explanatory and should be read in totality. The TPWS functioning should be simulated at training centre. LEU to configure more than one signal as per Input / output of latest RDSO specification . RDSO guideline in this reagrd is also being incorporated in Chapter-5 of tender document. Tenderer should quote only as per schedule Signaling Roll plan for proposed section is being made part of tender document.Tenderer has to quote as per quantities mentined in tender schedule. However, the break-up of proposed quantities of different type of Eurobalises (switchable, infill, repositioning) should also be submitted).The locattion of infil balises will be decided as per RDSO guideline after award of contract . 130 Page No 101, Schedule B 8 Siemens T - W S T - R D S O Railways is requested to kindly consider the following points and allow the firm to use data cable as per firm‟s specification. Two balises may not be available at one single place. If two different signal balises are connected, then a cable cut may affect train service at both signals. Information delivered by LEU to balise is unique and this information can not be shared in parallel with the other balises. This is true for two switchable balises in a balise group also. In view of RDSO guideline regarding data cabe, "Data cable of one pair is to be used for each balise separately". Tender Condition and Schedule in this regard is being amended . Future corrigendum may be seen in this regard. Pre Bid Queries for TPWS 50
Subject : Pre-bid clarification on queries received from Industry Participants of TPWS: Date-30.06.2011 TENDER NO. WR/S&T/HQ/2010-11/05 Virar (at Km 60)-Vadodara (at Km 397) section Sr. No. Cl. No. Firm T y p 131 Technical Spec Section 5.4.12 Page No 97 & Sch D11 on page no106 Siemens T - W S Original Text Clarification needed Clarification of Western Railway The schedule of cable markers (6550) may not be sufficient for the length of the section (340km) as per the requirement since the same to be placed at every 30m. Will railway supply the additional quantity Appropriate action will be taken by Engineer-in-Chrage during the execution.Tender should Quote only as per tender schedule. 132 Page No 108,D15.9 133 RDSO Specification for TPWS Para. 1.2 Page no.110 134 RDSO Specification for TPWS Para. 2.1 Page no.112 Siemens Siemens Siemens T - W T - W S T - R T - R D S O 135 Page No 139 Siemens T - R 136 Bid Chap – 2 ITT Clause 2.12 (v) g, Page - 27 Please clarify the quantity mentioned is per cable or per core or per strand. Does the use of Euroloop would not provide further advantages regarding the main task (avoiding SPAD) and going alongside with increasing line performance by continuously updating the signal information in the cab. The current version of SRS released by UNISIG is 2.3.0d. Please confirm whether the same is applicable for this tender. Tentative space for OB equipment in WAP4 loco, RDSO to provide drawings Siemens DG Please clarify if the System Performance Guarantee is to be submitted along with the offer. As per SCC (Chapter 4), clause no. 4.16, page 50,the Performance guarantee is to be submitted only by successful bidder after receipt of LoA 137 Bid Chap – 2 ITT Clause 2.7, Page – 21 Siemens G EMD Validity: The maximum validity of a demand draft is 6 Months from the date of issue. Therefore the same would get expired before offer validity. Hence we would revalidate / issue a fresh draft before the validity expire & you would arrange to return the earlier issued draft for cancellation. Quantity mentioned is Per Terminal . RDSO/SPN/183/2011 Ver 2 does not caters for Euroloop. As per new guidelines issued by RDSO, UNISIG-SRS Ver 2.3.0d is applicable. It has been indicated in Annexure-4 (page 139) of tender document. This Clause is self explanatory. The System Performance Guarantee is to submitted as Para 2.12 (g) on Format- 7. Para 4.16 is regarding Performance Bank Guarantee, which is required to be submitted after issue of LoA by successful bidder. The Demand Draft submitted as EMD should be valid as per tender conditions. Preferably it should be valid for entire period to validity of offer ( 6 months). Pre Bid Queries for TPWS 51
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