Volume-II of IV - GAIL

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MECON LIMITED DELHI D:\old data\FATEH\MP Region\Kailaras\Tender RFQ\Globe Valve\TS - Globe Valve.doc PROCESS & PIPING DESIGN SECTION TECHNICAL SPECIFICATION TITLE GLOBE VALVES SPECIFICATION NO. PAGE 4 OF 11 3.0 DESIGN AND CONSTRUCTION MEC/TS/05/62/005 REVISION 0 3.1 Valves shall be designed, manufactured, tested, inspected and marked as per the manufacturing standards design codes and standards (Latest editions) indicated in the respective valve specification sheets. Any conflict between the the technical specifiction, specification sheets and referred standard codes shall be brought to the notice of the purchaser for clarifications, but generally technical specification, data sheets shall govern. No deviation to specification/ standard shall be permitted through vendor drawings approval. Approval of drawings shall be valid only for design features. 3.2 Bonnet extension wherever specification the valve sheet to BS : 6364 shall be for “Non Cold Box Application” unless otherwise specified in the requisition. Even if not called for in valve sheet, valves indicated as ‘CRYO’ shall be supplied with bonnet extension. 3.3 For heavy valves provisions shall be available for lifting by way of lugs, eye bolts and such standard devices. 3.4 All flanged valves shall have flanges integral (except forged valves) with the valve body. Flange finish shall be as per valve specification sheet. 3.5 For all weld end valves with bevel end as per ANSI B16. 25. The contour of bevel shall be as follows : Material Wall Thickness Weld Contour Carbon steel upto 22 mm figure 2 type A (Except low temp. > 22 mm figure 3 type A carbon steel ) Alloy steel, upto 10 mm figure 4 Stainless steel & > 10 mm to 25 mm figure 5 type A low temp. carbon steel > 25 mm figure 6 type A 3.6 If an overlay weld-deposit is used for the body seat ring and seating surface, the seat ring base material shall be at least equal to the corrosion resistance of the material of the shell.
MECON LIMITED DELHI D:\old data\FATEH\MP Region\Kailaras\Tender RFQ\Globe Valve\TS - Globe Valve.doc PROCESS & PIPING DESIGN SECTION TECHNICAL SPECIFICATION TITLE GLOBE VALVES SPECIFICATION NO. PAGE 5 OF 11 MEC/TS/05/62/005 REVISION 0 3.7 Valve body/ bonnet shall be forged/ cast as specified. Forging is acceptable in place of casting but not vice-versa. 3.8 Material of construction of yoke shall be minimum equivalent to body/ bonnet material. 3.9 Stem shall be forged or machined from forged / rolled bar. No casting is permitted, . 3.10 Stelliting / hard facing by deposition shall be minimum 1.6 mm. Renewable seat ring may be seal welded. 3.11 As a pre qualification low temperature carbon steel, (LTCS), 3 ½ Ni steel (CRYO) & austenitic stainless (CRYO) valves shall be subjected to cryogenic test as per BS 6364 and test shall be witnessed and certified by third party inspection agency like Lloyds, B.V., DNV or EIL. For INDIAN vendors, inspection agency shall be MECON only. The vendor has to submit test certificate for prototype valves along with the offer. Prototype test carried on a particular size, rating and design will qualify valves of sizes equal to and below the particular size of the same rating and design. Cryogenic testing as per BS 6364 shall be carried out at temperature (-45 °C), (-100 °C) & (-196 °C ) for “LTCS”, 3 ½ Ni steel (CRYO) & austenitic stainless steel “CRYO” valves respectively. 3.12 Repair welding procedure for austenitic stainless steel valves in ‘CRYO’ service shall have to be qualified for impact test as per ANSI B31.3. Minimum acceptable impact energy shall be 20J or lateral expansion of 0.38 mm at temp of -196 Deg C 3.13 Wherever impact test of SS studs/ nuts is called for in the data sheet, the impact value shall be 27J at the intended service temperature specified in the data sheets. 3.14 For all austenitic stainless steel valves Inter Granular Corrosion (IGC) test shall have to be conducted as per following : - ASTM A 262 practice “B” with acceptance criteria of “60 Mills/ Year (Max.)” – For all materials forged, rolled, wrought and casting.
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GAIL (India) Limited TENDER DOCUMEN
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D:\old data\FATEH\IDPL_Dholpur\SCC\
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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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D:\old data\FATEH\Aban Power\TS\Spe
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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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D:\TS\PSV - TS - 056 (R-1).doc 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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