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ITP For CW and ACW Piping Work

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The document outlines inspection and test procedures for cooling water and air conditioning water piping work.

The purpose of the document is to describe inspection requirements, acceptance criteria, and inspection formats for various phases of installing cooling water and air conditioning water piping systems.

The document covers inspection points for pre-assembly, installation, testing, and painting of cooling water and air conditioning water piping systems.

VIETNAM OIL AND GAS GROUP

LONG PHU 1 POWER PROJECT MANAGEMENT BOARD

1.

EPC CONSORTIUM:
POWER MACHINES OJSC;
PETROVIETNAM TECHNICAL SERVICES CORPORATION - PTSC

INSPECTION AND TEST PLANT (ITP)


FOR CW & ACW PIPING WORK
Document No: LP1-LLM-10XXX-QA-G1-PRO-0019

CONTRACTOR: PTSC
SUBCONTRACTOR: LLM
PREPARED BY
NAME

SIGN

DATE

APPROVED BY
NAME

SIGN

DATE

REVIEWED BY
NAME

SIGN

DATE

REVIEWED BY
NAME

SIGN

DATE

APPROVED BY
NAME

SIGN

DATE

LP1PP

PM-PTSC

LONG PHU 1 THERMAL POWER PLANT PROJECT


Document No.: LP1-LLM10XXX-QA-G1-PRO-0019

Page: 2 of 16

ITP FOR CW & ACW PIPING WORK

Revision No.: A

Date: 10.Sep.16

REVISION COVER SHEET


NO.
1

REV.
A

CONTEN

CONTENT OF REVISION
Issue for Approval

DATE OF REVISION
10.Sep.2016

LP1PP

PM-PTSC

LONG PHU 1 THERMAL POWER PLANT PROJECT


Document No.: LP1-LLM10XXX-QA-G1-PRO-0019
Revision No.: A

Page: 3 of 16

ITP FOR CW & ACW PIPING WORK


Date: 10.Sep.16

1.0

PURPOSE............................................................................................................................................................................2

2.0

SCOPE OF APPLICATION...........................................................................................................................................2

3.0

REFERENCE STANDARDS AND PROCEDURES............................................................................................2

4.0

ABBREVIATIONS...........................................................................................................................................................3

5.0

ITP FOR CW & ACW PIPING SYSTEM.................................................................................................................4

LP1PP

PM-PTSC

LONG PHU 1 THERMAL POWER PLANT PROJECT


Document No.: LP1-LLM10XXX-QA-G1-PRO-0019

Page: 4 of 16

ITP FOR CW & ACW PIPING WORK

Revision No.: A

1.0

Date: 10.Sep.16

PURPOSE
The procedure inspection and test plan is a document which describes CONTRACTOR practice
and involvement during various phases of installation of CW and ACW Piping System. It
describes our control, inspection requirement, acceptance/ rejection criteria and inspection format
required.

2.0

SCOPE OF APPLICATION
This procedure covers all inspection point of the activities related to the works during preassembly, installation, testing, painting of CW & ACW Piping System.

3.0
3.1

REFERENCE STANDARDS AND PROCEDURES


AWWA M11: Steel Pipe A Guide for Design and Installation, Edition 4.

3.2

AWWA C203: Standard for Coal-Tar Protective Coatings and Linings for Steel Water
Pipelines - Enamel and Tape - Hot Applied.

3.3

AWWA C209: Standard for Cold-Applied Tape Coatings for Steel Water Pipe, Special
Sections, Connections, and Fittings.

3.4

AAWWA C210: Standard for Liquid-Epoxy Coating Systems for the Interior and Exterior of
Steel Water Pipelines.

3.5

CW & ACW Piping Drawings.

3.6

LP1-PTSC-10XXX-QA-G1-PRO-0003: Welding control procedure.

3.7

ASME section IX: Qualification standard for Welding, Brazing, and fusing procedures;
welders, brazers; and welding, brazing, and fusing operators.

3.8

NDE procedures.

3.9

Hydro Test Procedure.

LP1PP

PM-PTSC

LONG PHU 1 THERMAL POWER PLANT PROJECT


Document No.: LP1-LLM10XXX-QA-G1-PRO-0019

Page: 5 of 16

ITP FOR CW & ACW PIPING WORK

Revision No.: A

4.0

Date: 10.Sep.16

ABBREVIATIONS
RT: Radiographic Test

PQR: Procedure Qualification Record

UT: Ultrasonic Test

ITP: Inspection & Test Plan

MT: Magnetic Particle Test

PWHT: Post Weld Heat Treatment

PT: Dye Penetrant Test

WQT: Welder Qualification Test

WPQT: Welding Procedure Qualification Test

NDE: Non-Destructive Testing

WPS: Welding Procedure Specification

N/A: Not Application

Legends:
I:

Subcontractor shall be responsible for undertaking the inspection or test and


generating the appropriate report and record.

H:

Subcontractor is not allowed to proceed with the test/inspection unless a written


release is issued by the Employer and/or Contractor. Subcontractor shall submit
inspection notification to Contractor.

W:

Subcontractor can proceed with the test/inspection when Employer and/or


Contractor's inspector is not present at the notified time. Subcontractor shall submit
inspection notification to Contractor.

Subcontractor is requested to notify Contractor of the initial inspection date/time.


Subcontractor can proceed with the test/inspection when Employer and/or
IW:
Contractor's inspector is not present at the notified time. Subsequent test/inspection
will not be witnessed unless any deficiencies are found at the initial inspection.
S:

Subcontractor is not requested to notify Contractor. Employer and/or Contractor's


inspector will monitor manufacturing conditions, workmanship and test/inspection
during his visit or periodical inspection.

R:

Subcontractor is not requested to notify Contractor. Subcontractor shall perform the


required test/inspection and provide relevant documents such as certificate, report
and Quality Control record. This documents shall be submitted to Contractors
inspector for review.

LP1PP

PM-PTSC

LONG PHU 1 THERMAL POWER PLANT PROJECT


Document No.: LP1-LLM10XXX-QA-G1-PRO-0019

Page: 6 of 16

ITP FOR CW & ACW PIPING WORK

Revision No.: A

Date: 10.Sep.16

5.0

ITP FOR CW & ACW PIPING SYSTEM

6.0

QC FORMS

6.1

LP1-CW-01

6.2

6.3

LP1-CW-03

6.4

LP1-CW-04

6.5

LP1-CW-05

6.6

LP1-CW-06

6.7

LP1-CW-07

6.8

LP1-CW-08

6.9

LP1-CW-09

6.10

LP1-CW-10

6.11

LP1-CW-11

6.12

LP1-CW-12

6.13

LP1-CW-13

P1-CW-02

Item
No.

Activity

Material Inspection

1.1

Quanity

1.2

Identification marking

1.3

Dimensions and sizes including


material grade

1.4

Visual check on damages

Reference
Documents

- Material Certificates
- Material Test Results
- Shop inspection
reports
- Material Control
Procedure
- Packing list

Method of
inspection
testing

Visual
examination

Acceptance Criteria

Freque
ncy

Verifying
Document

As per Packing List

100%

As per Packing List

100%

As per Approved
Drawing

100%

No defect

100%

LP1-CW-03

AWS D1.1

100%

WPS/PQR

100%

Welder

LP1-CW-01,
LP1-CW-02

Welder Qualification

2.1

WPS/PQR review

2.2

WQT

AWS D1.1

Review
Witness

LP1PP

PM-PTSC

LONG PHU 1 THERMAL POWER PLANT PROJECT


Document No.: LP1-LLM10XXX-QA-G1-PRO-0019

Page: 7 of 16

ITP FOR CW & ACW PIPING WORK

Revision No.: A

Item
No.

Activity

Date: 10.Sep.16

Reference
Documents

Method of
inspection
testing

Acceptance Criteria

Freque
ncy

Verifying
Document
Certificates

Welding Inspection
Fit-up inspection:
- Edge preparation

3.1

3.2
4

Root gap

Roundness matching of two


pipes

Misalignment

WPS/PQR

AWS D1.1
Approved Drawings &
WPS

AWS D1.1

As per
Approved Drawings &
WPS

100%

LP1-CW-04

Review/
Witness

AWS D1.1

100%

WPS & PQR

Visual
examination
Measuring

As per Approved
Drawings

100%

LP1-CW-08

Visual

As per WPS, AWS


D1.1

100%

LP1-CW-05

Dimension and Final Inspection

4.1

Dimension inspection

Approved Drawings

4.2

Visual inspection of welding

WPS, AWS D1.1

Visual
examination
Measuring

NDE examination

5.1

Kerosene test for all site


circumferential weld seams

Approved Drawing

Visual
examination

No leak

100%

LP1-CW-07

5.2

RT applied for entire field butt


joint

API 1104
Approved Drawings
RT procedure

Review

As per API 1104

10%

LP1-CW-06
RT Films

5.3

Cleaning of internal pipe after


completion of all work

Witness

As required

100%

Bolt Torque check (if


applicable)

Witness

Bolt Manufacture or
Supply specification
& instruction

100%

LP1-CW-13

Records

Review

As per required

100%

Approved Drawing

Visual check

As per Approved
Drawing

100%

LP1-CW-10

Bolts & Nuts tightening

Hydrostatic test

7.1

Recording of all Pressure joints


weld NDE

7.2

Line system check for Hydro test

LP1PP

PM-PTSC

LONG PHU 1 THERMAL POWER PLANT PROJECT


Document No.: LP1-LLM10XXX-QA-G1-PRO-0019

Page: 8 of 16

ITP FOR CW & ACW PIPING WORK

Revision No.: A

Item
No.

Activity

Date: 10.Sep.16

Reference
Documents

Method of
inspection
testing

Acceptance Criteria

Freque
ncy

Verifying
Document

7.3

Clearing of Punch list before


hydro test which is related to
hydro test essential punch

LP1-CW-10
Hydro Test Procedure

Review

As Hydro Test
Procedure

100%

LP1-CW-11

7.4

Test Pack indicating Test


boundary limits in accordance
with Hydro test procedure

Approved Drawing

Review

As Hydro Test
Procedure

100%

7.5

Ensure availability of Calibrated


Pressure Gauges

Hydro test procedure


Calibration Certificate

Review

Not expiry

100%

Calibration
Certificate

7.6

Fill in complete system, check for


leak

Hydro test procedure

Witness

As Hydro test
procedure

100%

7.7

Pressure the system to hydrostatic


test pressure

Hydro test procedure

Witness

As Hydro test
procedure

100%

LP1-CW-09

7.8

Reduce the test pressure to


working pressure for inspection

Hydro test procedure

Witness

As Hydro test
procedure

100%

LP1-CW-09

Painting Procedure

Witness

As Painting Procedure

100%

As Painting
Procedure

8
8.1
9

Coating Inspection
Painting Inspection for CW pipe

Final piping inspection handing over for next activity

9.1

Punch list (if applicable)

Visual

Witness

Full

100%

LP1-CW-11

9.2

Check List for Before backfilling

Visual

Review

Full

100%

LP1-CW-12

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