Title Page
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Audit Title
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Job Description
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Service Provider
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Subcontractor
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Crew Leader
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Location
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Prepared by
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Conducted on
Audit Protocol for MG SWP CP4.002
6.1 – Connect Current Interrupter between Transformer Rectifier Output and Anode Ground Bed
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Has the current interrupter been connected correctly?
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Has a DC voltage source been installed for any pipelines identified without an “Impressed Current” system installed?
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Was power turned off and any bonds disconnected?
6.2 – Assemble 2 Probes and Connect Leads to Meter
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6.2 – Assemble 2 Probes and Connect Leads to Meter
6.3 – Fit Meter Support Harness and Adjust for Comfortable Walking and Viewing
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Has meter support harness been fitted correctly?
6.4 – Switch Instrument On and Adjust Bias and Sensitivity Controls
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Did the current output of the DV supply need to be increased or the interrupter relocated?
6.5 – Traverse Centre Line of Pipeline, Probes in Contact with the Ground
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Which method was used to survey the pipeline?
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If private property was accessed to conduct the survey, was the landowner notified?
6.6 – Identify Coating Holiday
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Were any coating faults detected?
6.7 – Determine Size of Coating Holiday
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Has the size of the coating holiday been calculated correctly?
6.8 – Peg and Record Coating Holiday Location
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Has the coating holiday location been pegged, measured and results forwarded to coordinator?
6.9 – Measure and Record Pipe to Soil Signal Swing at either side of Coating Holiday
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Has the pipe to soil swing been measured and recorded?
6.10 – Finish
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Have the CPU and bonds been returned to their original operating status?
Comments and Sign Off
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Comments and Audit Finding Summary
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Auditor(s) Sign off
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Auditee (Crew Leader) Sign off
