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Printer Friendly VersionSelected Information - Completed Research

CP146  Best Practice in Sewer Jetting to Reduce Sewer Flooding Sewerage
Sewer blockages are a major cause of sewer flooding. For example, in England and Wales, blockages cause 55% of sewer flooding incidents or 4,000 property flooding incidents each year. Regulators have commented that 'Sewer flooding remains an area of service where further significant improvement is needed and it remains a high priority for customers'. Previous research has shown that a high proportion of blockages are repeat occurrences and much of this is linked to ineffective blockage clearing practice.

This project will evaluate current best practices in removal of blockages by sewer jetting and to extend this knowledge (where necessary) through field trials and laboratory tests. This work will provide guidance to operatives and planners on selection of equipment and the most effective working practices.

Benefits

  • Reduced risk of sewer blockages and associated flooding.
  • Enables selection of appropriate equipment and working practices to improve blockage clearing efficiency.
  • Improved performance of blockage clearing teams through use of training material on effective clearing of sewer blockages by sewer jetting.
WRc's Portfolio Programme
Summary of the £1.5 million per annum research programme

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