Volume-II of IV - GAIL

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MECON LIMITED DELHI PROCESS & PIPING DESIGN SECTION NEW DELHI TITLE REPAIR OF PIPELINE CORROSION COATING 1. SCOPE 2. MATERIAL AND EQUIPMENT 3. APPLICATION PROCEDURE 4. INSPECTION/ TEST C O N T E N T S STANDARD SPECIFICATION SPECIFICATION NO. PAGE 1 OF 3 MEC/S/05/62/08 REVISION 0 PREPARED BY CHECKED BY APPROVED BY
MECON LIMITED DELHI PROCESS & PIPING DESIGN SECTION NEW DELHI TITLE REPAIR OF PIPELINE CORROSION COATING 1.0 SCOPE : STANDARD SPECIFICATION SPECIFICATION NO. PAGE 2 OF 3 MEC/S/05/62/08 REVISION 0 This specification covers the minimum requirement of material and equipment, installation procedure and inspection of repair of damaged polyethylene coatings on steel pipes. 1.1 The repair shall be carried out using repair patch made of radiation crosslinked Polyolefin backing, coated on the inside with semi-crystalline thermoplastic Adhesive and filler mastic 2.0 MATERIAL AND EQUIPMENT 2.1 CONTRACTOR shall supply all ,equipment and manpower required for a skillful and adequate application in the field in accordance with the specification. 2.2 The repair material shall be : • Repair patch shall be cross linked polyolefin with semi-crystalline thermoplastic adhesive (PERP patch make of RAYCHEM or equivalent ). • Filler mastic : PERPFILLER make of RAYCHEM or equivalent. 2.3 The material shall not be older than their period of validity at the time of Application by CONTRACTOR. Deteriorated/decomposed materials shall not be used. 2.4 Material shall be stored in sheltered storages in the manufacturer's original packing and away from direct sunlight and in accordance with manufacturer's recommendations. 3.0 APPLICATION PROCEDURE Application procedure shall be as per manufacturer's recommendations and as per the following guidelines ( ref. Fig: 1 ) Preparation : Remove coating from damaged area with knife, scraper or power brush. Scrap off the damaged area and adjacent coating to remove oil, grease, ruse dirt and moisture. Preheating : Preheat the exposed bare metal surface to about 60°C and adjacent pipe coating to about 47°C with a torch moved back and forth over the surface.
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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
Page 280 and 281: 1.0 GENERAL 1.1 These technical spe
Page 282 and 283: completion and testing on system ar
Page 284 and 285: 5.1.2 Mill scale, rust, rust scale
Page 286 and 287: 5.2.3 Maual or hand tool cleaning M
Page 288 and 289: c. Ingredients shall be kept proper
Page 290 and 291: the bottom. This work shall be done
Page 292 and 293: S. NO. DESCRIPTION 1. MANUAL OR HAN
Page 294 and 295: S. NO. DESCRIPTION 3. BLAST CLEANIN
Page 296 and 297: 6.0 PAINT MATERIALS Paint manufactu
Page 298 and 299: PAINT MATERIALS TABLE NO.: 6.2FINIS
Page 300 and 301: Notes: 1. Covering capacity and DFT
Page 302 and 303: TABLE 7.1: PRE-ERECTION/ PRE-FABRIC
Page 304 and 305: NOTE 2 : FOR EXTENAL SURFACE OF RCC
Page 306 and 307: TABLE 10.0: FIELD PAINT SYSTEM FOR
Page 308 and 309: TABLE 12.0 : FIELD PAINT SYSTEM FOR
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Page 313 and 314: 17.0 STORAGE 17.1 All paints and pa
Page 315 and 316: . Intersection points & change of d
Page 317 and 318: 20.3 Method of Camouflaging 20.3.1
Page 319 and 320: it would be in the interest of the
Page 321 and 322: 24.5 Tests required for evaluation
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Page 325 and 326: S. No. MANUFACTURER NAME LIST OF RE
Page 327 and 328: S. NO. LIST OF RECOMMENDED MANUFACT
Page 329: SPECIFICATION FOR REPAIR OF PIPELIN
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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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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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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D:\Technical Specifications & Stand
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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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