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From its introduction to the survey of sewers in the early 1970's say, Closed Circuit Television (CCTV) technology has made major advances in its technical abilities. From the early days of black & white imagery and photographs taken with a 'stills' camera set up in front of the television screen, we now have technologies which reveal all about a pipeline in glorious technicolour.
CCTV methods and their variations have also been adapted for all pipeline inspection including potable water mains and other pressure pipes e.g. oil and gas pipelines.
Sewer surveys, for instance, are required to be part of a strategic investigation e.g. flooding, investigate suspected structural problem, locate infiltration and exfiltration, pre-adoption, fire fighting, location of hard blockages and collapses, locate manholes, locate and identify connections, check effectiveness of cleaning work and sewer renovation quality.

Last Updated on Tuesday, 12 August 2014 12:55

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