MG AP CP4.024 Cathodic Protection Unit Fault Investigation Audit Protocol Version 2 - October 2021

• Audit Title

• Job Description

• Service Provider

  Comdain

  Diona

  Downer

  Ventia

• Subcontractor

• Crew Leader

• Location
  Address

• Conducted on

  Date

• Prepared by

6.1 – Confirm Unit Details

• Have the CPU details been verified against SAP record and MG SWP CP3.001.1 - Cathodic Protection Unit Monitoring Record?

  Yes

  No

  N/A

6.2 – Check Current Output

• Has the technician correctly identified if there is any current output from the unit?

  Yes

  No

  N/A

6.3 – Is there DC voltage across the output of the CPU?

• Has the technician correctly identified if there is any DC voltage?

  Yes

  No

  N/A

6.4 – Is there AC voltage going into the CPU?

• Has the technician correctly identified if there is any AC voltage?

  Yes

  No

  N/A

6.5 – Investigate Anode and Structure cable

• Has the technician correctly tested the anode and structure cable?

  Yes

  No

  N/A

6.6 – Unable to identify fault

• Has the technician referred to more experienced technician or qualified electrical or electronics technician?

  Yes

  No

  N/A

• Comment and Audit Finding Summary

• Auditor(s) sign off

  Sign

• Auditee (Crew Leader) Sign off

  Sign