Sewer condition manual updated
An updated edition of the Manual of Sewer Condition Classification (MSCC) has been released by WRc. The first edition was published in 1980 to provide a national standard defect coding system.
The fifth edition has been updated reflecting amendments to BS EN 13508-2 in 2011 and takes into account the move from video tape to computer storage of video data. Some of the codes relating to drains and sewers and manholes and inspection chambers have been modified and new codes specifically relating to lining observations have been introduced, in accordance with European Standard.
Other features in the MSCC 5th Edition include:
- Review of controls for camera set-up
- Updates in line with BS EN 13508-2
Nick Orman, principal consultant at WRc said: “Inspection of sewer condition is an important feature of the management of sewer and highway drainage systems. Such surveys generate large amounts of data which must be recorded and stored.
“The MSCC provides an objective method of classifying defects in drains and sewers; it is used by the UK water industry and other organisations to classify defects in sewers and is crucial to the management of investment in over 500,000km of public sewers and lateral drains in the UK.“
WRc said the manual will be of particular value to engineers, CCTV surveyors and those assessing CCTV reports.
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