-
Pearl GTL Project
LINDE ENGINEERING
Shell Project No: HP-3000-QAT Contractor Project No : 5887
Project Document Number: T- 4.251.022 Project Rev.: D Page 2 of
6
Purchase Order Number:
2MH127
Tag/Item Number(s): N/A
Unit(s): ASU
PCWBS: Z
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QATAR SHELL GTL PROJECT (PEARL) C2 AIR SEPARATION UNITS
CONSTRUCTION
D A 11.02.09 Issued for Cancellation AB EO AG IFC
C O 23.03.08 Issued for Company Comments BR UA ZG ICC
B 17.03.08 Issued for Review BR UA ZG IIR
A 12.03.08 Issued for Internal Review BR UA ZG IIR
GAMA Rev.
Project Rev
Date Description Prepared
By Checked
By
Approved By
Status
No. No. ORIGINATOR
LINDE ENGINEERING AG
Document Title:
WPS FOR CARBON STEEL (1.6-4.6 MM)
Contractor
Gama Qatar Co. W. L. L.
Document No. LOC470
GAM WPS QAC GTL 005 D
Org.
Code
Doc.
Type
Disc. Code
Geogr. Area
Seq.
No
Rev. No
Vendor Code
Project Document Number: T-4.251.022
Rev No: A
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T-4.251.022 Rev. D Page 4 of 6
TABLE OF CONTENTS
1. 001 2MH127-005-CS-G 4
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GAMA & ~ WELDING PROCEDURE SPECFICATIONS (WPS) QATAR .lI_.O
.....""I~ Reference: ASME 831.3, ASME Sec IX, AWS 0 1.1
Client: SHELL or its PMC Contractor: LINDE ENGINEERING AG
Project Name: C2 ASU PEARL GTL PROJECTRAS LAFFAN INDUSTRIAL
CITY
Company Name: GAMA-QATAR WPS No: 001 2MH127- OOS-CS-G Rev: 0
Date: 17.03.2008 POR No: GAMA-P1-20 Rev: 01 Date: 29.04.2007
Welding Process : GTAW Type(s): MANUAL
JOINTS ( OW - 402)
Joint Design: AS DETAILED BELOW Backing (Yesl No): NO Backing
Material (Type ): N/A
--1 37 .S2.S. A ~ I 1.6 0.8mm
-L ~ i 1 ----'1 r-
31mm
Base Metals ( OW - 403) Also as per OW 420.2 P -No. 1 Group No.
1 To P-No 1 Group No. 2
OR
Specification Type and Grade: SAS16Gr 6S OR Eguivalent To
Specification Type and Grade: SAS16Gr 70 OR Eguivalent
OR
Chem.Analysis and Mech. Prop: N/A To
Chem.Analysls and Mech. Prop: N/A
Thickness Range : Groove: CS 1.6 TO 4.6mm Fillet: ALL
Diameter Range : Groove: ALL Fillet: ALL
6 Other: N/A
1 Other: N/A
S.18
ER 70S-6
2.4
GTAW-4.6mm N/A
N/A
ESAB OK Tig rod 12.64
N/A
POST WELD HEAT TREATMENT(OW - 407) 6G Temperature Range: N/A
UPHILL Time Range: N/A ALL Rate of heating: N/A
Rate of Coollna: N/A
LIN ........ OSGTL or its PMC
~~3 \\O{\ %}., ~ \~roV 5\'N . 7,'\ '
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GAMA ~ WELDING PROCEDURE SPECIFICATIONS (WPS) QATAR
Utilrlo:ll!IJ>f_U",,-il\: Reference: ASME 831.3, ASME Sec IX,
AWS 0 1.1
WPS No:001 2MH127- 005-CS-G Rev. No: 0 Date: 17.03.2008 PRE-
HEAT (QW - 406) GAS (QW - 408) Pre Heat Min: 20C Shielding Gas(es):
Argon (Preheat to 50C if metal temp< 5C) Percent
Composition(Mixture): 99.99% Interpass temp: 250C Max Shielding gas
flow Rate: 11-12.5 LPM Method of Heating: By LPG/Propane Gas
Heating Torch Backing Gas(es): N/A
Temp Monitoring Method:Thermo melt crayons/ Digital thermo meter
Trailing shielding gas composition: N/A
ELECTRICALCHARACTERISTICS(QW - 409) Current AC or DC DC Polarity
Electrode -ve (GTAW) Amps Range Min100Amps-Max160Amps Voltage range
Min9V-Max 10V
Tungsten Electrode Size and Type 2.0 EW-Th-2
Mode of Metal Transfer GMAW N/A
Electrode Wire Feed Speed Range N/A
TECHNIQUE(QW - 410) String or Weave Bead: StrinQ-Root Pass
Weave- FiII& Cap Orifice or Gas Cup Size : 6/8/11mm Initial and
Interpass Cleaning: Grinding / Wire brushin!l Method of Back
gouging: N/A Oscillation N/A Contact Tube To Work Distance N/A
Multiple Or Single Pass (per side) Multiple Passes Multiple or
Single Electrodes Single Electrode Travel Speed(Range) 75 mm/min
150 mm/min OTHERS: Piping Class: Service: PQR Impact test
temperature:
Filler Metal Current Weld Pass Process Volts Range Travel Speed
Heat Input
Amps mm/min KJ/mm (Max.) Class Diamm Polarity Range Root-1 GTAW
ER 70S6 2.4 DCEN 100105 9-10 75-80 0.84 Hot-2 GTAW ER 70S6 2.4 DCEN
155-160 9-10 140-150 0.68 FILL-3 GTAW ER 70S6 2.4 DCEN 155-160 9-10
140-150 0.68 CAP-4 GTAW ER 70S6 2.4 DCEN 155160 9-10 140-150
0.68
Notes :1. Above mentioned passes may vary depending on actual
thickness of the joint. 2. Weaving width shall not exceed 3 times
the diameter of electorde. 3. Electrodes shall be stored &
handled as per approved consumable handling procedure-T.4.250.931/
manufacturers instructions. 4. Max: 3.0mm Deposit in one Layer.
GAMA REP prepared By Checked by LINDE REP QSGTL or its PMC
~~. ~ ~ "'~- -b ~~. /5 ~o~ t~ ....\" 8gpG\\.C2 cP~~ M~J ~v
,.;;7JIo,5U '1l 1 ;31
""'1" .), ~
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GAM-QCR-QAC-GTL-106
WPS.pdfGAM-WPS-QAC-GTL-005-PART-1GAM-WPS-QAC-GTL-005.pdf
GAM-WPS-QAC-GTL-005-PART-2GAM-WPS-QAC-GTL-005.pdf
