A nominal flow of water maybe permitted in the pipe invert during the CCTV inspection. i.e. the pipe is to be predominantly dry and any water present must not inhibit the CCTV equipment from completing a thorough inspection of the pipeline.
No water is permitted within the pipeline during the CCTV inspection. i.e. the pipe is to be dry.
Definitions in this section
Stormwater
Wastewater
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