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Distributed Temperature Sensing - Anglian Water Trial

Distributed Temperature Sensing - Anglian Water Trial. Fola Ogunyoye 18 th March 2013. Royal HaskoningDHV. Global engineering and environmental consultancy Largest engineering consultancy in Peterborough Leader in water’s edge sustainability and innovation

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Distributed Temperature Sensing - Anglian Water Trial

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  1. Distributed Temperature Sensing - Anglian Water Trial Fola Ogunyoye 18th March 2013

  2. Royal HaskoningDHV • Global engineering and environmental consultancy • Largest engineering consultancy in Peterborough • Leader in water’s edge sustainability and innovation • Top 10 of independently owned, non-listed companies • 8,000 staff worldwide

  3. Introduction to DTS DTS = Distributed Temperature Sensing Measuring temperature along a fibre-optic cable in a sewer pipe Method to identify inflows in sewer pipes

  4. Why DTS • Very rich and visual data, allowing targeted response • Unprecedented type of information from sewer system • Significant detail in both time and space – not a snapshot • Low level of interference and cost effective • Intelligent identification of problem within sewer system • Successful where many other approaches have failed

  5. Methods of deployment Standard monitoring set-up Riooloctopus

  6. Introduction to DTS

  7. Riooloctopus

  8. Applications: storm sewers flow direction wastewater entering a storm water system

  9. Application: foul sewers

  10. Applications: foul sewers Large inflow (creek)

  11. DTS projects • Netherlands: • 15+ projects for municipalities (Eindhoven, Den Haag, Breda, Almere, etc.) • on-going research projects • Germany: • 2 projects for Water Utilities (Wuppertal, Emmerich) • 1 research project (initiative) • Denmark: • 1 project / research for municipality (Aarhus) • UK: • 1 pilot project for Water Utility (Anglian Water)

  12. Typical reasons for using DTS • Illicit connection or inflows to storm/foul sewers systems • capacity improvement -> sewer: reduce CSOs -> WwTP: prevent expansion • flooding of sewers or pumping stations • reduction in energy consumption, pump wear, dosing chemicals (sewer, WwTP) • reduction in pollutant load via WwTP effluent

  13. Particular UK issues • Transfer of private sewers regulation 2011 • Achievement of Environmental discharge consents • Operational efficiency • Looking towards AMP 6

  14. Trial Site – Little Wakering (Southend) • Suffers from frequent flooding • Local pumping station exceeding capacity • Previous attempt to identify inflows inconclusive

  15. Trial Site – Little Wakering • Deployment of DTS in partnership with Kwakernaak (Dutch) and Barhale contractors • 2 monitoring cables deployed (650m & 950m) • Sewer monitored for 4 weeks • Initial results have identified a number of storm water inflows

  16. Thank you for listening

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