Pr-w-1102.21-4012-001 Rev 0 Welding Procedure Specification for Piping and Pipeline (Wps)-Sw(1)

PTT PUBLIC COMPANY LIMITED

RATCHABURI WORLD COGENERATION COMPANY LIMITED

GAS PIPELINE AND GAS METERING AND REGULATING STATION PROJECT

DOCUMENT TITLE:

WELDING PROCEDURE SPECIFICATION FOR PIPING AND PIPELINE (WPS)

DOCUMENT NO.:

PR-W-1102.21-4012-001

REVISION:

REVIEW STAMP

0

COMMENTS

E. Work may proceed. F. Work may proceed. Submit “for Construction” Documents. G. Revise and Resubmit. Work may proceed Subject to incorporation of changes indicated. H. Revise and Resubmit. Work may not proceed. I. Review not required. Work may proceed. Acceptance in any of these categories shall be in no way relieve the Contractor/Supplier of its responsibility for the due and proper performance of the Work in accordance with the Contract/Purchase Order. Name: Sign: Date:

0

02/04/13

Issued for Construction

WS

JR

NP

A

29/01/13

Issued for Approval

WS

JR

NP

Rev.

Date

Description

Prepared By

Checked By

Approved By

CONTRACTOR:

CONSULTANT:

SIAM RAJATHANEE JOINT VENTURE

UNITY ENGINEERING AND CONSULTANCY SERVICES CO.,LTD.

WELDING PROCEDURE SPECIFICATION FOR PIPING AND PIPELINE (WPS)

GAS PIPELINE AND GAS METERING AND REGULATING STATION PROJECT Document No.

PR-W-1102.21-4012-001

Rev. 0

Page 2 of 42

DOCUMENT CHANGE RECORD Rev

Date

Prepared/ Revised

Reviewed By

Approved By

Description

By A

29/01/13

WS

JR

NP

Issued for Approval

0

02/04/13

WS

JR

NP

Issued for Construction

PR-W-1102.21-4012-001 Rev.0 (WELDING PROCEDURE SPECIFICATION FOR PIPING AND PIPELINE (WPS))

WELDING PROCEDURE SPECIFICATION FOR PIPING AND PIPELINE (WPS)

GAS PIPELINE AND GAS METERING ANDREGULATING STATION PROJECT Document No.

PR-W-1102.21-4012-001

Rev. 0

Page 3 of 20

TABLE OF CONTENT ARTICLE

PAGE

1.0

General ................................................................................................................................................... 4

2.0

Scope of Work ........................................................................................................................................ 4

3.0

Reference ............................................................................................................................................... 4

4.0

List of Welding Procedure Specification: (WPS) .................................................................................... 4

4.1

WPS No. API/D-2.375/T-0.188/Y-42 ...................................................................................................... 5

4.2

WPS No. API/2.375-D-12.75/T-0.188/Y-42 ............................................................................................ 6

4.3

WPS No. API/2.375-D-12.75/0.188-T-0.75/Y-42 .................................................................................... 7

4.4

WPS No. API/12.75-D/0.188-T-0.75/Y-42 .............................................................................................. 8

4.5

WPS No. API/12.75-D/0.188-T-0.75/42-Y-65 ......................................................................................... 9

4.6

WPS No. API/12.75-D/0.188-T-0.75/65-Y ............................................................................................ 10

4.7

WPS No. API/12.75-D/0.75-T/65-Y ...................................................................................................... 11

5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7

WPS for Weld Repair ............................................................................................................................ 12 st

nd

Repair API/D-2.375/T-0.188/Y-42 ....................................................................... 13

st

nd

Repair API/2.375-D-12.75/T-0.188/Y-42 ............................................................. 14

st

nd

Repair API/2.375-D-12-75/0.188-T-0.75/Y-42 .................................................... 15

st

nd

Repair API/12.75-D/0.188-T-0.75/Y-42 ............................................................... 16

st

nd

Repair API/12.75-D/0.188-T-0.75/42-Y-65 ......................................................... 17

st

nd

Repair API/12.75-D/0.188-T-0.75/65-Y ............................................................... 18

st

nd

Repair API/12.75-D/0.75-T/65-Y ......................................................................... 19

WPS No. 1 and 2 WPS No. 1 and 2 WPS No. 1 and 2 WPS No. 1 and 2 WPS No. 1 and 2 WPS No. 1 and 2 WPS No. 1 and 2

ATTACHMENT .................................................................................................................................................. 20 PTT Welding Procedure Specification (SP-W-000-01 Rev.0)................................................................. 20

PR-W-1102.21-4012-001 Rev.0 (WELDING PROCEDURE SPECIFICATION FOR PIPING AND PIPELINE (WPS))

WELDING PROCEDURE SPECIFICATION FOR PIPING AND PIPELINE (WPS)

1.0

GAS PIPELINE AND GAS METERING ANDREGULATING STATION PROJECT Document No.

PR-W-1102.21-4012-001

Rev. 0

Page 4 of 20

General This Welding Procedure Specification had been duplicated from PTT welding procedure specification which established and qualified by PTT PLC. And proposed for construction, maintenance, modification and repairing all of PTT gas pipeline and station.

2.0

Scope of Work This welding procedure specification is proposed for all welding work of Gas Pipeline And Gas Metering and Regulating Station Project if essential variables as describes in API 1104 are not changed then this procedure should applied without the need for requalification.

3.0

Reference API 1104 SP-W-000-07 Rev.0 SP-W-1102.21-010-003

4.0

standard for welding of pipelines and related facilities PTT Welding Procedure Specification (WPS) Onshore Pipeline Automatic and Manual Welding

List of Welding Procedure Specification: (WPS)

Range Application Item

WPS No.

OD (in)

T (in)

SMYS (psi)

OD