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Printer Friendly VersionSelected Information - Completed Research

CP192  Reducing Rising Main Failures through Pre-emptive Inspection Sewerage
Failures of rising mains cause great inconvenience to sewerage operators through pollution and through having to make alternative arrangements while the main is repaired. Previous research identifies pipes at greatest risk of failure and shows that failed rising mains with latent defects were often found to have been leaking for some time.

Therefore, if a system of pre-emptive inspection for rising mains was available, pipes at greatest risk of failure or those that had already failed, could be targeted to identify repair / replacement needs and reduce the risk of further failures.

Currently, there is no technology available to undertake this rising main inspection without having to dig below ground.

This project will examine the potential of technology transfer from equipment used successfully for inspection / detection of leaks in water mains to a sewerage environment for inspection of rising mains.

Benefits to Clients

  • Assessing the potential of detecting leaks in rising mains without having to dig below ground for inspections

  • Locating potential failures to enable pre-emptive action and reduce failure rates
  • Understanding how inspection will identify if it is cost effective to repair / replace / renovate the pipe
  • Ability to check mains, prior to pump refurbishment, ensuring pipes can withstand increased pressures.
  • WRc's Portfolio Programme
    Summary of the £1.5 million per annum research programme

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