Title Page
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Document No.
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Audit Title
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Client / Site
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Conducted on
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Prepared by
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Location
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Personnel
PROCEDURAL CHECKLIST
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In use
VERIFICATION CHECKLIST
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In use
TEST RESULTS
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Attached to checklist
NON-CONFORMANCE
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Identified by Contractor
NON-CONFORMANCE REPORT
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Submitted
SETTING OUT Clause R 32.8
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Services identified and protected
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Alignment levels and grade set out correctly
MATERIALS Clause R 32.4
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Pipe type and class
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Pipe diameter
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Bedding complies with Australian Standards
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Selected backfill complies with As 3725
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Ordinary backfill complies with R 23
TRENCH EXCAVATION Clause R32.9
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Water diversion adequate
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Embankment at correct height
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Location correct
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Trench walls vertical.
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Trench width > pipe diameter plus 600 mm
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Shored depth > 1.5m
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Sides benched depth > 1.5m
TRENCH BASE Clause R 32.10
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Base compacted to 95% standard
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Foundation acceptable CBR > 8
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Rock encountered
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Additional excavation approved.
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Replaced material density tested 96%
INSTALLATION Clause R 32.13,14 & 15
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Bedding layers 150mm
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Bedding cohesive 95% RD
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Bedding cohesion less 70% density index.
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Vibrating equipment
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Pipes laid correctly from downstream.
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Pipes joined correctly
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Select backfill layers 200mm depth
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Select backfill 95% relative density.
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Select backfill 70% density index.
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Ordinary backfill layers 200mm depth
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Ordinary backfill 95% density standard.
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End wall construction - pipes grouted.
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Finished line and level 10mm tolerance.
NON-CONFORMANCE
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Identified by audit
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Report requested.
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Signature
