Volume-II of IV - GAIL

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MECON LIMITED Delhi PROCESS & PIPING DESIGN SECTION TECHNICAL SPECIFICATION FOR TEMPORARY CATHODIC PROTECTION SYSTEM TECHNICAL SPECIFICATION NO. : MEC/TS/05/62/016A REV-1 Page 7 of 19 (i) Composition: 6.2.2 Zinc Anode Element Weight Manganese 0.5 – 1.3% Copper 0.02% max. Silicon 0.05% max. Zinc 0.05% max. Aluminum 0.01% max. Iron 0.03% max. Nickel 0.001% max. Other metallic elements - Each 0.05% max. - Total 0.3% Magnesium Balance (ii) Anode closed circuit potential 1.5 volts (iii) Anode consumption rate 7.9 kg/(A yr) The anode shall confirm to the requirements of ASTM – 418 standard. The anode (other than ribbon anode) shall be packaged with special back fill. The metallurgical composition of anode, potential and consumption rate shall be as below: (i) Composition: Element Weight Aluminium 0.005% Cadmium 0.0035% Copper 0.002% max. Iron 0.0014% max. Lead 0.0035% max. Zinc Remainder (ii) Anode closed circuit potential 1.1 volts (iii) Anode consumption rate 11.24 kg/(A yr) D:\old data\FATEH\MP Region\Kailaras\Tender RFQ\TCP&PCP\Temporary Cathodic Protection - 016A-R1.doc
MECON LIMITED Delhi PROCESS & PIPING DESIGN SECTION TECHNICAL SPECIFICATION FOR TEMPORARY CATHODIC PROTECTION SYSTEM TECHNICAL SPECIFICATION NO. : MEC/TS/05/62/016A REV-1 Page 8 of 19 6.2.3 Contractor shall furnish spectographic analysis from each heat both for zinc and magnesium anodes along with electrochemical test results. 6.2.4 Special Backfill The composition of special back fill for anodes shall be as below: Gypsum 75% Bentonite 20% Sodium Sulphate 5% 6.2.5 The anodes shall be provided with cable tail of sufficient length to reach junction box test station as applicable without tension. 6.2.6 Tolerance in fabrication of anodes The anode surface shall be free from cracks which may reduce the performance of the anode. Any cracks which follow the longitudinal direction of elongated anodes shall not be acceptable. Small cracks in the transverse direction of elongated anodes and in anodes of other shapes may be accepted provided the cracks would not cause any mechanical failure during service of the anode considering that the combination of cracks and lack of bond to the anode core is detrimental. For transverse cracks the acceptable limits shall be furnished by the bidders along with the offer. The anode shall be free from excessive shrinkages. The following limits shall be used: - Maximum 10% of the depth of anode or 50% of the depth of the anode core whichever is less. The depression may be measured from the edged of one side. The surface of the anodes shall be free from coatings and slag/dross inclusions etc. The maximum deviation from straightness shall not exceed 2%. The weight tolerance on individual anodes may be taken as ± 5%. The total weight of the anodes shall not have negative tolerance. D:\old data\FATEH\MP Region\Kailaras\Tender RFQ\TCP&PCP\Temporary Cathodic Protection - 016A-R1.doc
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GAIL (India) Limited TENDER DOCUMEN
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MECON LIMITED REGD. OFF: RANCHI (BI
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MECON LIMITED REGD. OFF : RANCHI (B
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Pipe Size, Out Side Diamter- Inches
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\\Akjha\work contrac\standard TS fo
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SPECIFICATION FOR HYDROSTATIC TESTI
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0 C C; \ts\Tender-A,4.doc. TABLE -
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0 C C; \ts\Tender-A,4.doc. TABLE -
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SPECIFICATION FOR MAJOR WATER CROSS
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SPECIFICATION FOR PIPING FABRICATIO
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Pipe Size, Outside diameter Inches
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CONTENTS Sl. Description Page No. N
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1.0 GENERAL 1.1 These technical spe
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completion and testing on system ar
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5.1.2 Mill scale, rust, rust scale
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5.2.3 Maual or hand tool cleaning M
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c. Ingredients shall be kept proper
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the bottom. This work shall be done
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S. NO. DESCRIPTION 1. MANUAL OR HAN
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S. NO. DESCRIPTION 3. BLAST CLEANIN
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6.0 PAINT MATERIALS Paint manufactu
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PAINT MATERIALS TABLE NO.: 6.2FINIS
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Notes: 1. Covering capacity and DFT
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TABLE 7.1: PRE-ERECTION/ PRE-FABRIC
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NOTE 2 : FOR EXTENAL SURFACE OF RCC
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TABLE 10.0: FIELD PAINT SYSTEM FOR
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TABLE 12.0 : FIELD PAINT SYSTEM FOR
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TABLE 14.0 : PAINTING UNDER INSULAT
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17.0 STORAGE 17.1 All paints and pa
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. Intersection points & change of d
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20.3 Method of Camouflaging 20.3.1
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it would be in the interest of the
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24.5 Tests required for evaluation
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S. No. MANUFACTURER NAME LIST OF RE
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S. No. MANUFACTURER NAME LIST OF RE
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S. NO. LIST OF RECOMMENDED MANUFACT
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SPECIFICATION FOR REPAIR OF PIPELIN
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MECON LIMITED DELHI PROCESS & PIPIN
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SPECIFICATION FOR DOCUMENTATION FOR
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1.0 SCOPE 1.1 This specification co
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2.3 Monthly • Priced variations
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- Major water crossings - Waste dis
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- Location of further appurtenance
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Document2 SPECIFICATION FOR PIPELIN
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SPECIFICATION FOR VENTS, DRAINS AND
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1.0 SCOPE TABLE OF CONTENTS 2.0 COD
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The last letter indicates type of m
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10.0 GASKETS 10.1 Spiral wound meta
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13.7 Unless specified otherwise. Va
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determination of surface profile -
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) Peel Strength shall be as follows
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accordance with ISO:8503-3 or ISO:8
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4.3 Application Procedure for Corro
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Company Representative reserves the
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SPECIFICATION FOR 3-LAYER POLYETHYL
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1.0 SCOPE This specification covers
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y. CSA Z245.20-98 : External Fusion
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which failed. If all tests pass, th
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5.3.3 Properties of Coating System
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health and safety sheets and manufa
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7.4.4 Chemical Pre-Treatment 7.4.4.
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specified temperature i.e. one at e
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• Any time when in COMPANY’s op
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8.6.4 After the de-ionised water wa
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8.13.4 The CONTRACTOR shall check t
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i. Electrostatic application of epo
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9.2.12 Failure to comply with any o
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area on the pipe shall show presenc
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10.10 Epoxy Layer Adhesive Test a.
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11.3 The CONTRACTOR shall load, unl
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• Damages caused to coating by ha
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14.6 The CONTRACTOR’s Quality sys
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Table - 1 Manufacturers Data on Coa
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MECON LIMITED Delhi PROCESS & PIPIN
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PROCESS & PIPING DESIGN SECTION MEC
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PROCESS & PIPING DESIGN SECTION MEC
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SPECIFICATION FOR PIPELINE PRE-COMM
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C O N T E N T S Clause No. Title Pa
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Above 250 & upto 500 - Deploy one q
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e. Fabricated steel structurals, pi
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4.0 DETAILS OF HSE MANAGEMENT SYSTE
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RELEVANT IS-CODES FOR PERSONNEL PRO
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2.0 MONTHLY CHECKLIST CUM COMPLIANC
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MONTHLY CHECKLIST CUM COMPLIANCE RE
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MONTHLY CHECKLIST CUM COMPLIANCE RE
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ANNEXURE-B Format-3 3.0 ACCIDENT RE
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5.0 MONTHLY Health, Safety & Enviro
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OBSERVATION OF QUALITY ASPECTS Job
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SPECIFICATION FOR CALIPER PIGGING S
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1.0 INTENT 2.0 OBJECTIVE SPECIFICAT
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6.0 GAUGE PIG RUN Contractor to car
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- Valves or any partially closed va
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geometry inspection to generate val
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PIPELINE DETAILS NOMINAL DIAMETER m
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CONTENTS Sl.No. Description Page No
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) SIS - 055900 : Pictorial surface
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Property Test Method Condition Requ
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35mm The sleeve shall be installed
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4.1 General a) The application proc
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4.3 Procedure a) The application pr
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5.2.3 All the coated joints shall b
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8.0 REPAIR OF PIPE COATING DEFECTS
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MECON LIMITED REGD. OFF RANCHI PROC
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MECON LIMITED DELHI D:\TS\Lond Redi
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limit feature shall be provided in
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e) Pipeline under protected f) Auto
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- Dimensional checking - Proper mou
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