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 temporary DC voltage source been installed if the location does not have a permanent impressed current system?
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If applicable, were any bonds in the area disconnected for the test?
6.2 – Assemble 2 Probes and Connect Leads to Meter
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Have the probes been assembled and connected to the 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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Were the bias and sensitivity controls of the meter adjusted correctly?
6.5 – Traverse Centre Line of Pipeline, Probes in Contact with the Ground
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Was the survey conducted on the centre line of the pipeline?
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If the pipeline is located on private property, was the landowner notified prior to the survey?
6.6 – Identify Coating Holiday
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Was the meter observed for the indication of a coating fault?
6.7 – Determine Size of Coating Holiday
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If detected, has the size of the coating holiday then calculated correctly?
6.8 – Peg and Record Coating Holiday Location
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Was the coating holiday location pegged and measured?
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
