23376587-003-itp-ug-piping

PMC

LARSEN & TOUBRO LIMITEDMSQ UPGRADATION (EPCC-1) PROJECT IOCL - PANIPAT

INSPECTION AND TEST PLAN

FOR UNDER GROUND PIPING

Doc. No: LT/MSQ/ITP/PIPE/UG/003

Date: 01.11.07

PROJECT : EPCC-1 –MSQ UPGRADATIONOWNER : INDIAN OIL CORPORATION LTD.PANIPAT.PMC : JACOBS ENGINEERING INDIA PRIVATE LIMITEDCONTRACTOR : LARSEN & TOUBRO LIMITED

LEGEND : NA : Not Applicable, HP : Hold Point, W : Witness Point, Rw : Review of SUBCONTRACTOR / L&T's documentation, S : Surveillance by OWNER / PMC, WC : 100% Examination, Spec. : Specification, Dwg. : Drawing, Std. : Standard

PT : Penetarnt Testing, MT: Magnetic Particle Testing, PWHT: Post Weld Heat Treatment, IRN: Inspection Release Note

SL. No. DESCRIPTION OF ACTIVITY FIELD INSPECTION REPORT FORMAT No.

INSPECTION WITNESSES/GRADE REMARKS

L&T JACOBS

UNDER GROUND PIPING

A PRIOR TO FABRICATION

1 Incoming Material LT/MSQ/IMIR/GEN/001 Rev.01 WC W

2Welding Filler Material Approval / Qualification

APPROVED VENDER FORMAT WC HP

3 WPS / PQRLT/MSQ/STR/WPS/002LT/MSQ/STR/PQR/003

WC HP

4 Welder Performance Qualification LT/MSQ/STR/WPQ/004 WC HP

5 a) NDT Procedure Qualification NDT Report WC HP

b) PWHT Procedure Qualification (If any) SR CHART WC HP

6 Preparation of Sketches ISOMETRICS WC S

7 Joint Numbering APPROVED SKETCHES WC S

8 Material traceability& transfer of heat nos. LT/MSQ/PIPE/TRA/011 WC S

B FABRICATION ( SHOP & FIELD )

1Material as per piping class ( Check w.r.t. approved colour coding procedure )

LT/MSQ/PIPE/TRA/011 WC S

a) Fit Up checkLT/MSQ/STR/DNF/005LT/MSQ/STR/FNW/006

WC S

b) Dimensional checksLT/MSQ/STR/DNF/005

WC S

2 Pre heat NA WC S

3 Check for purity of purging / shielding gas BTC OF MANUFACTURER WC Rw / S

4 Purging (If any ) BTC OF MANUFACTURER WC S

5 Shielding rate ( If any ) BTC OF MANUFACTURER WC S

6 Baking of ElectrodesELECTRODE BACKING

REGISTERWC S

7 Interpass cleaning & temperature check NA WC S

SL. No.DESCRIPTION OF ACTIVITY FIELD INSPECTION REPORT

FORMAT No.INSPECTION

WITNESSES/GRADEREMARKS

Signature : Name :

Date

Prepared by L&T

Checked by L&T

Approved by JACOBS

of 3

PMC





Date: 01.11.07




L&T JACOBS

8 Visual cleaning of purging / shielding gas NA WC S

9 Monitoring of PWHT Cycle SR CHART WC S

10 Hardness CheckB.T.C. OF

MANUFACTURER/TEST REPORT OF LAB.

WC S

11 DPT / MPT LT/MSQ/DPT/016LT/MSQ/MPT/017

WC S

12Radiography marking ( For Random Radiography )

LT/MSQ/PIPE/RGM/013 WC W

13 Radiography interpretation LT/MSQ/PIPE/RGI/014 WC HP

C PROOF TESTING

1 Procedure APPROVED PROCEDURE WC HP

2 Corrections of Testing arrangements LT/MSQ/PIPE/HYD/015 WC S

3 Calibration of Pressure Gauge WC Rw

4 R.F. Pad testing, if any LT/MSQ/RFPT/018 WC W

5Positive material Identification as per Specification after completion

LT/MSQ/PMI/STORE/019LT/MSQ/PMI/SITE/019A

WC HP

6Scrutiny of test packs for mechanical & NDT Clearance ( As per Annexure – A )

LT/MSQ/UGMC/SP/023 WC HP

7 Air / Water Flushing ( Preliminary ) LT/MSQ/UGMC/SP/023 WC W

8 Pneumatic / Hydro testing LT/MSQ/PIPE/HYD/015 WC HP

9 Draining of Water & Air drying LT/MSQ/UGMC/SP/023 WC S

D LAYING

1 Trench excavation and levels LT/MSQ/UGPC/021 WC S

2 Cleaning of pipe surface LT/MSQ/TC/020 WC S

3Approval of wrapping / coating material manufactures

APPROVAL LETTER/BTC OF MATERIAL

WC HP

4 Approval of agency for wrapping & coatingAPPROVAL LETTER/BTC OF

MATERIALWC HP

5Sample test of coating materials in approved laboratory

TEST REPORT OF LAB WC Rw

6Procedure qualification for wrapping & coating

APPROVED VENDER FORMAT WC HP



SWITNESSES/GRADEREMARKS

Signature : Name :

Date

Prepared by L&T

Checked by L&T

Approved by JACOBS

of 3

PMC





Date: 01.11.07




L&T JACOBS

7 Application of primer LT/MSQ/TC/020 WC S

8 Coal tar temperature NA WC S

9 Coating and wrapping LT/MSQ/TC/020 WC S

10 Calibration of Holiday tester TEST REPORT OF LAB WC HP

11 Holiday testing LT/MSQ/TC/020 WC HP

12 Thickness of coating LT/MSQ/TC/020 WC HP

13 Peel test LT/MSQ/TC/020 WC HP

14 Lifting arrangement NA WC S

15 Lowering ( Levels & orientation of branches ) LT/MSQ/UGPC/021 WC S

16Checking of wrapping and coating for damages during lowering, their repair, holiday testing, etc.

LT/MSQ/TC/020LT/MSQ/UGPC/021

WC HP

17 Back filling LT/MSQ/UGPC/021 WC S

18 Location, Brickwork Plaster of valve pit WC S

19 Top cover & finish for valve pit WC S

E SYSTEM COMPLETION

1 Tie in joints ( As Annexure – B ) ( As Annexure – B ) WC W

2Scrutiny of test packs for system testing ( As per Annexure – C )

LT/MSQ/UGMC/022 WC W

3 System testing LT/MSQ/PIPE/HYD/015 WC W



WITNESSES/GRADEREMARKS

Signature : Name :

Date

Prepared by L&T

Checked by L&T

Approved by JACOBS

of 3

PMC





Date: 01.11.07




L&T L&T

Signature : Name :

Date

Prepared by L&T

Checked by L&T

Approved by JACOBS

of 3

23376587-003-itp-ug-piping

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