Volume-II of IV - GAIL

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MECON LIMITED REGD. OFF RANCHI PROCESS & PIPING DESIGN SECTION NEW DELHI STANDARD SPECIFICATION QUICK OPENING END CLOSURE TECHNICAL SPECIFICATION NO. : MEC/S/05/62/013 REV-0 Page 3 of 7 D:\TS\QOEC - 013 - TS.doc Other components shall be as per Manufacturer's Standard. However, all the materials used shall be suitable for the service conditions indicated in Annexure-I, which will be subject to approval by Purchaser. 3.2 Material of the ends to be field welded by Purchaser shall have carbon equivalent not more than 0.45 based on check analysis, for each heat of steel used, calculated as per the following formula: Mn Cr + Mo + V Ni +Cu CE = C+ ---------- + --------------------- + ------------- 6 5 15 3.3 Unless specified otherwise, Charpy V-notch test shall be conducted for each heat of steel, in accordance with the impact test provisions of ASTM A 370 at temperature of 0 o C. The average absorbed impact energy valves of three full-sized specimens shall be 27 joules. The minimum impact energy value of any one specimen of the three specimens analysed as above, shall not be less than 80% of the above mentioned average values. 3.4 Hardness test shall be carried out as per ASTM A 370 for each heat of steel used. A full thickness cross section shall be taken for this purpose and the maximum hardness of base metal, weld metal and HAZ of all pressure containing parts shall not exceed 248 HV10. 4.0 DESIGN AND CONSTRUCTION 4.1 End closure shall be designed in accordance with the provisions of ANSI B 31.8 and ASME Sec. VIII Division 1. Corrosion allowance and design factor as indicated in the data sheets shall be considered in the design of end closure. 4.2 Diameter, thickness, material, ANSI Rating of the pipeline with which the end closure to be welded is indicated in the Data Sheets. End closure supplied shall be suitable for the same. 4.3 End closure shall be of clamp ring, band lock or equivalent type and operable by a single lever operation. The threaded closures are not acceptable. 4.4 End closure shall be of hinged and quick opening type and shall consist of a safety system allowing the opening only when there is no pressure in the line. 4.5 End closure shall be suitable for installation in vertical position at an elevation of 2.0 meters above ground level. The safety system and the lever for operating the closure shall be at a convenient position so that easy access is possible for operator from ground without usage of any structure or platform.
MECON LIMITED REGD. OFF RANCHI PROCESS & PIPING DESIGN SECTION NEW DELHI STANDARD SPECIFICATION QUICK OPENING END CLOSURE TECHNICAL SPECIFICATION NO. : MEC/S/05/62/013 REV-0 Page 4 of 7 4.6 When closed, the closure shall provide a positive seal without any leakage. Gaskets or seals when provided for this purpose shall be self sealing and suitable for the service condition indicated in Annexure-I & Data Sheets. 4.7 For vertical installation, a suitable lifting device shall be provided to hinge the closure plug, head or door, clear for vertical access into the opened closure. The lever of the closure shall be provided in vertical plane so that vertical up and down operation is achievable. 4.8 The handling device shall be attached to the welding end hub, which shall be suitable for such attachment. 4.9 End closure shall be provided with a butt-welding end for direct welding with the pipeline. The weld end shall be prepared in accordance with ANSI B31.8. 4.10 All welds shall be made by welders and welding procedures qualified in accordance with the provisions of ASME Sec. IX. The procedure qualification shall also include impact test and hardness test when required as per clause 3.3 and 3.4 of this specification and shall meet the requirements as specified therein. 4.11 Completed assembly shall be stress relieved as per the provisions of the design codes. 4.12 The tolerance on internal diameter end out of roundness shall be as per connected pipe specifications indicated in the Data Sheet. 5.0 INSPECTION AND TESTS 5.1 Manufacturer shall perform all inspection and tests as per the requirements of this specification and the relevant codes, prior to shipment at his works. Such inspection shall be, but not limited to the following : 5.1.1 All closures shall be visually inspected. 5.1.2 Chemical composition and mechanical properties shall be checked. 5.1.3 Dimensional check shall be carried out as per the approved drawings. 5.1.4 Hydrostatic test shall be conducted for all end closures complete in all respects, at a pressure equal to 1.5 times the design pressure. Test duration shall be as 15 minutes. No leakage is allowed. 5.1.5 All butt welds shall be 100% radiographically inspected. Procedure and acceptance criteria shall be as per API 1104. D:\TS\QOEC - 013 - TS.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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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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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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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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