Volume-II of IV - GAIL

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MECON LIMITED REGD. OFF RANCHI PROCESS & PIPING DESIGN SECTION NEW DELHI STANDARD SPECIFICATION PIG SIGNALLERS TECHNICAL SPECIFICATION NO. : MEC/S/05/62/048 REV-0 Page 1 of 6 Sl.No. Description 1.0 SCOPE 2.0 MATERIALS D:\Technical Specifications & Standards\048 - Pig Signaller - TS.doc C O N T E N T S 3.0 DESIGN AND CONSTRUCTION REQUIREMENTS 4.0 INSPECTION AND TESTS 5.0 TEST CERTIFICATES 6.0 PAINTING, MARKING AND SHIPMENT 7.0 SPARES AND ACCESSORIES 8.0 GUARANTEE 9.0 DOCUMENTATION PREPARED BY CHECKED BY APPROVED BY
MECON LIMITED REGD. OFF RANCHI PROCESS & PIPING DESIGN SECTION NEW DELHI STANDARD SPECIFICATION PIG SIGNALLERS TECHNICAL SPECIFICATION NO. : MEC/S/05/62/048 REV-0 Page 2 of 6 1.0 SCOPE D:\Technical Specifications & Standards\048 - Pig Signaller - TS.doc This specification covers the basic requirements for the design and manufacture testing & supply of pig signallers, used for the detection of passage of scraper and instrumented gauging pigs, to be installed in pipeline systems handling hydrocarbons in liquid or gaseous phase including Liquefied Petroleum Gas (LPG). This specification does not cover pig signallers for sour hydrocarbons (liquid/ gas) service as defined in NACE Standard MR 0175–98. 2.0 MATERIALS 2.1 All materials used in the manufacture of the main components of the pig signallers shall be as indicated in the data sheets. Other components shall be as per manufacturer's standard suitable for the service conditions indicated in Annexure – I and data sheets which will be subject to approval by Purchaser. 2.2 Scarfed welding base, shall have Carbon Equivalent (CE) not greater than 0.45 on check analysis, calculated as per the following formula : Mn Cr + Mo + V Ni + Cu CE = C + -------- + --------------------- + --------------- 6 5 15 2.3 Fully skilled carbon steel shall be used in the manufacture of pig signallers. 2.4 The maximum hardness of the base material, weld metal heat affected zone of the pressure ciontaining parts shall be 248 HV 10. Hardness test shall be carried out as per ASTM A370 for each heat of steel used. 3.0 DESIGN AND CONSTRUCTION REQUIREMENTS 3.1 Pig signallers shall be bi-directional type having pivot-less tumbler mechanism and laminated trigger blades. 3.2 Pig signallers shall be designed to meet the requirements of pipeline material, diameter, wall thickness & service conditions indicated in the data sheet. 3.3 Design of pig signallers shall be such that any possibility of signaller being operated by line pressure is eliminated.
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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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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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