We are investing £55 million to upgrade our sewerage network to ensure it can meet future demands and cope with ongoing and future development in North Bristol and South Gloucestershire." />

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  • North Bristol relief sewer

    We’re investing £55 million to build a new relief sewer in North Bristol with construction due to start at the end of summer 2019. The relief sewer is needed to ensure the sewerage network can cope with ongoing and future development in Bristol and South Gloucestershire.  

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    The North Bristol relief sewer forms an essential part of our long-term sewerage strategy for the next 100 years.

    A 6km pipeline will be built under the M5 motorway and Network Rail's Henbury Loop freight railway. It will link to the new Frome Valley relief sewer we have just built from Frampton Cotterell to Bradley Stoke.

    Once connected, these new sewers will direct sewage around North Bristol to our water recycling centre in Avonmouth.

    How will it affect local residents and businesses?

    Where possible the new pipework will be built deep underground by tunnelling. However, in some places this will not be possible so we will lay the pipe in a trench.

    We will do everything we can to minimise disruption to the local community.

    Construction is expected to start at the end of summer 2019 and will take approximately 2.5 years to complete.

    We will be working with contractors J Murphy & Sons Ltd to construct the tunnel and lay the pipework.

    Lawrence Weston

    Lawrence_Weston

    A section of the relief sewer will be built to the immediate northwest of Lawrence Weston behind Saltmarsh Drive, St Bede’s Catholic College and Atwood Drive. This section will be laid in a trench and the surface reinstated afterwards. A temporary tunnel entrance will be constructed in the hillside below Oasis Academy Bank Leaze and will be used to construct the relief sewer northwards, beyond Lawrence Weston. 

    Engineers have been consulting with councillors, landowners, schools and community groups within Lawrence Weston including Ambition Lawrence Weston, Atwood Drive allotment tenants and Lawrence Weston social club. We have also written to local people to notify them of the work, scheduled to start at the end of the summer 2019. 

    We will be holding drop-in sessions in the local area before the work begins for members of the community to come and find out more about the project.

    Henbury and Brentry

    Henbury

    An additional 600mm diameter sewer will be constructed through Crow Lane Open Space from Tormarton Crescent towards the old bowling green. This will be installed using a ‘no-dig’ technique to avoid open trenching. 

    From the bowling green it will cross the Hazel Brook into the playing field of Henbury Court Primary School, before ending close to the junction of Henbury Road and Crow Lane. We have spoken to the school about the pipeline route. The new 600mm sewer will connect the existing Henbury/Brentry sewer network into the new deep tunnel. Construction of this section of 600mm sewer is planned to start at the end of 2019 and finish by autumn 2020. 

    To complete our work we will also need to build a temporary track through Crow Lane Open Space to provide access to both the 600mm sewer work and the deep shaft that will join the 600mm sewer to the main tunnel. This track will be installed at the end of 2019 and remain in place until the main tunnel is completed at the end of 2021. Members of the public will still be able to access Crow Lane Open Space during our work and we will ensure safe crossing points along our temporary track are provided.

    Engineers have been consulting with councillors, landowners, schools and representatives from community groups within Henbury including Henbury & Brentry Community Council, BS10 Parks and Planning and Henbury Conservation Society. We will continue to liaise with community groups throughout the project. 

    We will also be holding drop-in sessions in Henbury before the work begins for members of the community to come and find out more about the project.

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