8/2/2019 Weld Repair Procedure Rev0

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AD090119-QMS-3004 WELD REPAIR PROCEDURE Page 1 of 2

TABLE OF CONTENT

1.0 PRUPOSE

2.0 SCOPE

3.0 AUTHORITY REFERENCE

4.0 PROCEDURE

1.0 PURPOSE

8/2/2019 Weld Repair Procedure Rev0

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AD090119-QMS-3004 WELD REPAIR PROCEDURE Page 2 of 2

1.1 This procedure describes the magnetic particle inspection method applied byTranswater API Sdn Bhd in this project.

2.0 SCOPE

2.1 This procedure covers the repair of pressure retaining welds during thefabrication of Multiphase Metering Skid.

3.0 AUTHORITY REFERENCE

3.1 Contract and client specification

3.1.1 30.10.60.30 Welding of Metal

3.2 Applicable code and standard

3.2.1 ASME Section VIII Div 1, Edition 20083.2.2 ASME Section V Nondestructive Examination, Edition 20083.2.3 B31.3 Edition 2006 Chemical Plant and Petroleum Refinery Piping

4.0 PROCEDURE

4.1 The location and extent of defect detected by visual or NDT inspection shall bemarked on the weld.

4.2 The defect shall be removed by either grinding or gouging depending on theirsuitability. Any gouged area shall be made smoothly by grinding.

4.3 Liquid Penetrant inspection or magnetic particle inspection shall be carried out toensure that no defects remain.

4.4 If no future defect is detected in the repair area, the area shall then be thoroughlycleaned by means of wire brushing.

4.5 The welding procedure used for repair shall be the same as the original weldingprocedure. If the welding process and repair welding process is different, arepair welding procedure shall be qualified to simulate these two processes.

4.6 Preheating and interpass temperature the repair works shall be as shown in theoriginal welding procedure.

4.7 All repair shall be executed by qualified welders according the approval repairwelding procedure.