Closed Circuit Television

This is another means of carrying out internal inspection inside small-diameter pipelines. The CCTV camera is being moved through the pipeline at a constant speed and stop wherever to allow inspection from the display screen, to take video and photographs as necessary. The site supervisor should prepare the key plan to locate the pipelines being inspected, associated manholes, chambers and structures, together with details including date, location, pipe material, pipe diameter, chainage of inspection, manholes, junctions and occurrence and type of defects observed in each pipeline inspected.