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 3 of 6 3.4 Design of pig signallers shall also be such that repair and installation of internals/ accessories are possible under pressure, without removing the unit from the line. 3.5 Pig signallers shall be provided with a visual indicator to indicate the passage of pigs, by means of spring loaded metal shaft. The arm shall lock in down position when manually reset. 3.7 Pig signallers shall be fitted with sealed, weather proof and explosion proof microswitch for remote signal indication. The area classification and rating of microswitch shall be as indicated in data sheet. Suitable for installation in NEC class I Division 1, hazardous area. Microswitch shall have the following rating: 2 Amp, 24 Volts, 50 Hz. Type : SPDT. Contacts : 2 NO and 2 NC 3.8 All welds shall be made by welders and welding procedures qualified in accordance with the provision of ASME Section IX. D:\Technical Specifications & Standards\048 - Pig Signaller - TS.doc The procedure qualification shall include hardness test and shall meet the requirements of clause 2.4 of this specification 3.9 Whenever specified in the data sheet, pig signallers shall be provided with extension, suitable for installation on underground pipeline. 4.0 INSPECTION AND TESTS 4.1 Manufacturer shall perform all inspection and tests required to supply the signallers as per the requirements of this specification. 4.2 All pig signallers shall be visually inspected. 4.3 Chemical composition & mechanical properties including hardness shall be checked for each heat of steel used. 4.4 All welds shall be non destructively examined. 4.5 The welding end shall be inspected ultrasonically over the entire circumference for lamination type defects. Any lamination larger than 6.35 mm shall not be acceptable.
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 4 of 6 4.6 Hydrostatic test shall be conducted at a pressure equal to 1.5 times the design pressure. Hydrotest duration shall be 15 Minutes. 4.6 Manufacturers shall perform functional tests to establish satisfactory performance of both manual and electrical indications 5.0 TEST CERTIFICATES 5.1 Manufacturer shall supply the test certificates for material compliance as per the relevant Material Standards. 5.2 Certificate for hydrostatic test and functional test 5.3 Test reports on heat treatment carried out, if any. 6.0 PAINTING, MARKING AND SHIPMENT 6.1 Exterior surface of the pig signallers shall be thoroughly cleaned, freed from rust and grease and applied with sufficient coats of corrosion resistant paint. Manufacturer shall indicate the type and corrosion resistant paint used in the drawings submitted for approval. In case of pig signallers with extension, the burried portion shall be coated with three coats of coal tar epoxy resin. The minimum dry film thickness shall be 300 microns. 6.2 A corrosion resistant metal tag shall be permanently attached with each unit, with the following marking:- D:\Technical Specifications & Standards\048 - Pig Signaller - TS.doc i) Manufacturer’s name i) Suitable for installation in_______mm dia. pipeline ii) ANSI Rating iii) Tag No.
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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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MECON LIMITED DELHI D:\TS\Lond Redi
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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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