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BTS May 2023 Meeting and AGM – North Bristol Relief Sewer Project

North Bristol Relief Sewer Breakthrough

The determined date for this event is Thu May 25 2023 23:00


  • Dominic Barlow – Senior Project Manager, J. Murphy & Sons Ltd.
  • Adam Evenden – Project Engineer, J. Murphy & Sons Ltd.

In summer 2019, construction of a new 6.5km pipeline for Wessex Water was started by J Murphy & Sons. Linking Bristol’s trunk sewer in Lawrence Weston to the Frome Valley relief sewer near Cribbs Causeway, it will direct waste more efficiently around North Bristol to the water recycling center in Avonmouth.

Using an EPB TBM with the remaining 1km predominantly constructed and open cut methods, 5.5km of 2.85m diameter segmentally lined tunnel has been completed.

North Bristol Relief Sewer TBM

The presentation will provide an overview of the project, the initial optioneering that was carried out to develop the scheme, & discuss progress and achievements to date.

As an in-person event it can also be streamed online here.

Tea and coffee will be served from 18:00 onwards, while AGM commences at 18.30. Lecture commences at 18.45

Post lecture drinks and food will be served downstairs in the ICE bar and are sponsored by Murphy.

For further query please contact:
The Secretary, BTS Tel: 020 7665 2238 or e-mail: or visit this website.

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