Work to construct part of a major new sewer link is expected to get under way in Bradley Stoke’s Three Brooks Local Nature Reserve in April, Wessex Water has announced.
The new 5km-long link will run from Frampton Cotterell to Bradley Stoke, where it will join up with an existing section of the Frome Valley Relief Sewer (FVRS) that was constructed in the early 1990s.
Once the “missing link” is completed, the FVRS will divert waste water flows from Yate to the Bristol sewage treatment works in Avonmouth via a route around the north of Bristol, rather than alongside the Frome Valley and through the centre of Bristol.
The work within the nature reserve, which is expected to last for approximately six months, will involve setting up a work compound centred on the triangular area of grass near the ‘duck pond’, where two picnic tables were recently installed by Bradley Stoke Town Council (BSTC). Here, a six-metre deep underground chamber will be constructed from where a tunnel will be bored to accommodate the new 1.8m-diameter sewer pipe. The tunnel will run from the chamber near the ‘duck pond’ to a point on the other side of the M4 motorway.
Wessex Water’s project manager Mike Bryant informed the January meeting of BSTC’s Planning Committee that the work at the nature reserve site will be carried out using 12-hour daytime shifts for five days per week. The first five to six weeks of work are expected to create the most noise, while the tunnelling shaft is constructed. Thereafter, there will be much less noise as the work will be going on underground and equipment on the surface (such as generators) will be “almost silent”.
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