Pearl GTL Project

LINDE ENGINEERING

Shell Project No: HP-3000-QAT Contractor Project No : 5887

Project Document Number: T- 4.305.135 Project Rev.: O Page 2 of 6

Purchase Order Number:

2MH127

Tag/Item Number(s): N/A

Unit(s): ASU

PCWBS: Z

QATAR SHELL GTL PROJECT (PEARL) C2 AIR SEPARATION UNITS CONSTRUCTION

D O 19.10.08 Issued for Review HG AB AG IFR

C O 23.09.08 Issued for Review BC AB AG IFR

B 22.09.08 Issued for Review BC AB AG IFR

A 22.09.08 Issued for Internal Review BC AB AG IIR

GAMA Rev.

Project Rev

Date Description Prepared

By Checked

By

Approved By

Status

No. No. ORIGINATOR

LINDE ENGINEERING AG

Document Title:

PREWPS FOR SS304 (6.3 - 18.7 mm)

Contractor

Gama Qatar Co. W. L. L.

Document No. LOC470

GAM WPS QAC GTL 011 D

Org.

Code

Doc.

Type

Disc. Code

Geogr. Area

Seq.

No

Rev. No

Vendor Code

Project Document Number: T-4.305.135

Rev No: O

T-4.305.135 Rev. O Page 4 of 6

TABLE OF CONTENTS

1. 2MH127/WPS/005 5

Client : SHELL or its PMC Contractor : LINDE ENGINEERING AG

C2 ASU PEARL GTL PROJECT- RAS LAFFAN INDUSTRIAL CITY

WPS No: Rev: Date:

PQR No: Rev: Date:

Type(s):

P -No. 8 1 To P-No 8 1

To

To

Fillet:

Fillet:

Others:

F No: N/A

A- No N/A

N/A

ALL

UPHILL

ALL

Prepared By

Electrode-Flux (Type):

Rate of Cooling:

Trade Name:

Position(s) of fillet:

ESAB

N/ARate of heating:

5.9(GTAW) &5.4(SMAW)

Max.Deposited Weld Metal Thick. :

Size Of Filler Metals : 2,2.4(GTAW) & 2.5,3.25,4(SMAW)

2MH127/PQR/004

MANUAL

LINDE REP QSGTL or its PMC

GAMA REP

Checked By

E308L-15

ALL

N/A

Project Name:

0

0

2MH127/WPS/005

N/A

Other:

ALL

Base Metals ( QW - 403)

Backing (Yes/ No):

N/APositions Of Groove:

Code of Reference : ASME B31.3 ,ASME Sec IX, T-13.377.441

Consumables Insert :

POST WELD HEAT TREATMENT(QW - 407)POSITION(S)(QW - 405)

Company Name : GAMA QATAR

Joint Design :

Thickness Range : Groove :

GTAW+SMAW

NO

N/A

Welding Process :

FILLER METALS(QW - 404)

Specification Type and Grade:

Backing Material (Type ):

JOINTS ( QW - 402)

ASTM A312,Gr TP 304/316/321 L

WELDING PROCEDURE SPECFICATIONS (WPS)

AWS No. (Class):

Spec No. (SFA):

ALL N/ADiameter Range : Groove :

Group No.

OR

Group No.

Chem.Analysis and Mech. Prop:

OR

ASTM A312,Gr TP 304 L

N/A

Specification Type and Grade:

Chem.Analysis and Mech. Prop:

6.3 to 18.7 mm

Welding Progression:

ER 308 L & E308L-15

Other:8

Time Range: N/A

Temperature Range :

6(GTAW)&5(SMAW)

3.2 0.8mm

37.5 2.5

1.6 0.8mm

3.2 0.8mm

37.5 2.5

1.6 0.8mm

Page 1

WPS No: 2MH127/WPS/005 Rev . No: 0 Date:

Pre Heat Min: Argon

99.99%

Interpass temp : 13-20 lt/min.

Current AC or DC Polarity

Amps Range Voltage range

Initial and Interpass Cleaning :

Piping Class : AA1L06,AA1M06,AA6S06,AACM06

Service :PQR Impact Test Temperature :

Root GTAW ER 308L 2,2.4 100-130 12-16

Hot GTAW ER 308L 2,2.4 110-145 10-16

Fill SMAW E 308L-15 2.5,3.25,4 90-110 20-26

Cap SMAW E 308L-15 2.5,3.25,4 90-100 20-25

Prepared By LINDE REP QSGTL or its PMC

GAMA REP

Notes :-

DCEP

Checked by

Contact Tube To Work Distance

Tungsten Electrode Size and Type

Multiple Passes

Shielding gas flow Rate:

Percent Composition(Mixture):

Oscillation

Travel Speed(Range)

Polarity

Single Electrode

Trailing shielding gas

composition:

Volts Range

PRE- HEAT (QW - 406)

WELDING PROCEDURE SPECIFICATIONS (WPS) Code of Reference : ASME B31.3 ,ASME Sec IX,T-13.377.441

GAS (QW - 408)

Shielding Gas(es):

(Preheat to 50 C if metal temp< 5 C)

Filler Metal

Class

DCEP

Min 10V - Max26V

DCEN(GTAW) & Electrode DCEP(SMAW)

Method of Heating: Torches(Propane)

DC

ELECTRICALCHARACTERISTICS(QW - 409)

N/A

DCEN

Weld Pass

DCEN

ProcessHeat Input

KJ/mm (Max.)

Travel Speed

mm/minAmps

Range

Current

Dia mm

String or Weave Bead :

Orifice or Gas Cup Size :

Grinding/Wire Brushing (Stainless Steel)

N/A

Multiple or Single Electrodes

Multiple Or Single Pass (per side)

Method of Back gouging:

170 C Max.

N/A

6/8/11 mm

2,2.4 EWTh-2

N/A

Min 90 Amps- Max 145 Amps

TECHNIQUE(QW - 410)

Mode of Metal Transfer GMAW

String-Root Pass,Weave-Fill&Cap

Argon (99.99% & FL 14-18

lt/min)

-196 C

Ambient Temp.

Backing Gas(es):

Temp Monitoring Method: Pyrometer/Infrared termometer

N/A

Temp Indicator Stick

N/A

Electrode Wire Feed Speed Range

OTHERS :

Weld SequenceTest coupon: 6" SCH XXS

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