Volume-II of IV - GAIL

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1.0 SCOPE TABLE OF CONTENTS 2.0 CODES AND STANDARDS 3.0 MATERIAL SPECIFICATION 4.0 CLASS DESIGNATION CODE 5.0 PIPELINE 6.0 PIPING 7.0 FITTINGS 8.0 BENDS 9.0 FLANGES 10.0 GASKETS 11.0 BOLTING 12.0 THREAD SEALANT 13.0 VALVES 14.0 QUICK OPENING END CLOSURE 15.0 HYDROTESTING VENTS AND DRAINS TABLE-1 PIPE WALL THICKNESS DETAILS FOR LINE TABLE-2 INDEX OF PIPING MATERIAL SPECIFICATION ANNEXURE-1 PIPING MATERIAL SPECIFICATION ANNEXURE-II LIST OF ATTACHMENTS
1.0 SCOPE This specification covers the requirements of various piping materials used in piping/ pipeline system handling natural gas and associate utilities in the pipeline. 2.0 CODES AND STANDARDS 2.1 Pipeline and terminal facilities envisaged as a part of this project shall be designed and Engineered primarily in accordance with the provision of ASME B 31.8- Gas Transmission and Distribution piping system 1995 edition. 2.2 All codes standards and specifications referred herein shall be the latest edition of such documents. 2.3 For sake of brevity, the intials of the society to which the codes are referred are omitted in the specification, for example, B16.5 is a code referring to ANSI/ ASME, A 105 is a code referring to ASTM. 2.4 In addition, MECON specifications for various piping and pipeline materials shall also be applicable. 3.0 MATERIAL SPECIFICATION Piping material specifications are classified for the general purpose of selection of material for the class of services. The maximum design pressure and design temperature together with the fluid in line governs the selection of material specifications. Deviation of materials from class specifications may occure due to specific design condition. These deviations are permissible if they are equal or better than the individual class requirements. 4.0 CLASS DESIGNATION CODE The piping class designation consist of three digits numbering system made up of letter, number, letter e. g. A1A, B1A, D1A, etc as follows: First letter indicates ANSI class rating e. g. A-Class 150 B-Class 300 D-Class 600 The middle number indicates differences in the specification within the same rating and material. \\Akjha\work contrac\standard TS for Pipe Line WC (Vol-II) MASTER FOLDER\21B piping material spec\Specification for Piping Materials-021B.doc Page 1 of 6
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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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SPECIFICATION FOR HYDROSTATIC TESTI
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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
Page 331 and 332: MECON LIMITED DELHI PROCESS & PIPIN
Page 333 and 334: SPECIFICATION FOR DOCUMENTATION FOR
Page 335 and 336: 1.0 SCOPE 1.1 This specification co
Page 337 and 338: 2.3 Monthly • Priced variations
Page 339 and 340: - Major water crossings - Waste dis
Page 341 and 342: - Location of further appurtenance
Page 343 and 344: Document2 SPECIFICATION FOR PIPELIN
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Page 371: SPECIFICATION FOR VENTS, DRAINS AND
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Page 398 and 399: determination of surface profile -
Page 400 and 401: ) Peel Strength shall be as follows
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Page 404 and 405: 4.3 Application Procedure for Corro
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Page 408 and 409: SPECIFICATION FOR 3-LAYER POLYETHYL
Page 410 and 411: 1.0 SCOPE This specification covers
Page 412 and 413: y. CSA Z245.20-98 : External Fusion
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Page 416 and 417: 5.3.3 Properties of Coating System
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Page 422 and 423: specified temperature i.e. one at e
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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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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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C O N T E N T S Sl.No. Description
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e measured. Hence the depth of meas
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6.7 Graphical representation of exi
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GAIL (India) Limited TECHNICAL SPEC
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1.0 SCOPE Cathodic Protection Power
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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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Volume-II of IV - GAIL

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