WPS1Vendor Doc. No.Rev no.Page no.AUH/QA&QC/1314/M/WPS-104(Pre WPS)032 of 4OFFSHORE ASSOSIATED GASES PROJECT PACKAGE 1ABU DHABI GASLIQUEFACTION CO.LTD(ADGASPreliminary Welding Procedure Specifications (WPS)PipelinePORJECT NAME:OFFSHORE ASSOCIATED GAS PROJECT PACKAGE 1(OAG-I)COMPANYADGASCONTRACTORMEPISUB-CONTRACTORDESCON ENGINEERINGWelding Procedure Specification No.AUH/QA&QC/1314/M/WPS-104 (Pre WPS)Revision No.03Date09-Oct-2009Supporting PQR No(s).PQR-A/B-DAS-10400DateWelding Process (es)GTAW/SMAWType (s)Manual(Automatic, Manual, Machine or Semi-Auto)APPLICABLE CODE :ASME SEC IXAPI - 1104AWS D1.1OTHERASME B 31.8JOINTSJoint DesignAs per Sketch "A" (Attachment)External ClampBridge Tack weldsClamp Removal:After 50 % of Root pass completionRetainers:NoneMetalNonfusing MetalNonmetallicOther: Tacking will be Done With the same filler materialBASE METALSS.No.1Group No.2to S.No.1Group No.2Note: Base metals are Non ASME I-e S-Numbers but ASME listed materials equivalent to P-Numbers.ORSpecification type and gradeAPI 5L X60 Pipeto specification type and gradeAPI 5L X60 Pipe,BendORChem. Analysis and Mech. Prop.-to Chem. Analysis and Mech. Prop.-Thickness Range :Base Metal :Groove33 mm (As per Project Spec)FilletN.ANote: As per API 1104 > 19.1 mm to Onward.Pipe Dia RangeGrooveALLFilletN.AOther:FILLER METALSROOT/HOTFILL/CAPSpec. No. (SFA)A 5.28A 5.5AWS No. (Class)ER80S-Ni1E-8018-GF. No.64A. No.A-1A-1Size of Filler Metals2.4 mm2.5 mm, 3.2 mm,4 mmNo . Of BeadsNote: Will be recorded from Original PQRNote: Will be recorded from Original PQRTime lapse b/w passes15 min. Max30 min. MaxWeld Deposit Thickness :GrooveMax. 6 mm (+ As per original deposit in PQR)Max. 27 mm (+ As per original deposit in PQR)FilletNoneNoneElectrode-Flux (Class)NoneBasicFlux Trade NameNoneNoneFiller Metal Product FormSolid (Bare)Covered electrodeConsumable InsertNoneNoneBrand NAMEAs per PQRAs per PQRManufacturer nameAs per PQRAs per PQR"G" cassified consumables same batch number shall be used on production jointsOther:Number of welders to be added as per PQR

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WPS2Vendor Doc. No.Rev no.Page no.AUH/QA&QC/1314/M/WPS-104(Pre WPS)033 of 4OFFSHORE ASSOSIATED GASES PROJECT PACKAGE 1ABU DHABI GASLIQUEFACTION CO.LTD(ADGASPreliminary Welding Procedure Specifications (WPS)PipelineWPS No.AUH/QA&QC/1314/M/Pre-WPS-104Rev.03POSITIONSPOST WELD HEAT TREATMENTPosition(s) of GrooveFixedTemperature Range625+10 Degree CWelding Progression :UphillDownhillTime Range (Holding)2 Hours, 1 Hr/25 mmPosition(s) of FilletN.AHeating Rate150 C/HrCooling Rate150 C/HrPREHEATGASPercentage CompositionPreheat Temp120 C Min(Single/Mixture)Flow Rate(min)Interpass Temp.200 C MaxShieldingARGON99.99%9-15 l/minPreheat MaintenanceNoneTrailingN.AN.AN.A(Preheating with Fuelgas Torch)Electric Heating CoilBackingN.AN.AN.AELECTRICAL CHARACTERISTICSCurrent AC or DCDCPolarityEN/EPAmps (Range)See Table BelowVolts (Range)See Table BelowTungsten electrode Size and Type 2.4 mm , 2% ThoriatedMode of Metal Transfer for GMAWN.A(Spray arc, short circuiting arc, etc.)Electrode Wire feed speed rangeN.APULSING CURRENT:N.ATECHNIQUEString or Weave beadString/WeaveMax. Weave Width:3 Times the electrode DiaOrifice or Gas Cup Size5 ~ 7 MMMethod of CleaningBrushing & Grinding(Brushing, Grinding etc.)Method of Back GougeNoneOscillationNoneMultiple or Single Pass (per side)MultipleMultiple or Single ElectrodesSingleTravel Speed (Range)See Table BelowPeeningNoneClose to Out ChamberNoneUse of Thermal ProcessNoneWeldLayer (s)ProcessFiller MetalCurrentVoltRangeTravel SpeedRange (mm / min)Het Input (KJ/mm)ClassDia.TypePolar.Amp.RangeROOTHOT PASSFILLINGAs per Original ParametersCAPPINGCOMPLETED BYDESCON (SUB-CONTRACTOR)TPIMEPI TECHNIP (CONTRACTOR)AD GAS (COMPANY)PREPARED BYREVIEWED BYAPPROVED BYREVIEWED BYPositionSr. Welding InspectorQA/QC ManagerSignatureNameShehzad AhmedAteeq AshrafDate12-Oct-0912-Oct-09

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