The Conduit Inspection Reporting Code focuses on asset condition assessment of conduits such as sewers, sanitary and stormwater drains, as well as maintenance structures. It replaces the Sewer Inspection Reporting Code that was published in 2002. This 2nd edition Code has included new codes to better describe some defects, a revised scoring system that recognises different relevances of particular defects on rigid and flexible pipes, revised structural and service grading thresholds, acceptance limits for defects for newly constructed sewers and stormwater drains. A compendium of features has been posted on this website to assist Code users with interpretation and coding defects, recognition of other features and estimation of quantifiable defects. Version 2.2 includes technical changes, editorial corrections and updated hyperlinks.

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