Contract award · 6 Oct 2025

Westbrook Weir Modelling and Outline Design

Environment Agency awarded “Westbrook Weir Modelling and Outline Design” to WSP UK Limited for £81,663 on 6 Oct 2025.

Waste, cleaning & environmentalLondon

Value £81,663
WinnerWSP UK Limited

Competition with a shortlist

Competitive procedure with a selection stage: suppliers were shortlisted before being invited to bid.

Key facts

Buyer
Environment Agency · Ministry or any other national or federal authority, including their regional or local subdivisions
Value
£81,662.75
Procedure
Call-off from a framework agreement
Sector
Waste, cleaning & environmental · Environmental services (CPV 90700000)
Region
London
Timeline
  1. Contract date6 Oct 2025
  2. Published6 Oct 2025Published the same day

Description

The Environment Agency is seeking to appoint a Contractor to undertake flood risk modelling and outline designs relating to Westbrook Mill weir on the River Wey (SU9666944205) and its proposed removal. Site Background Westbrook mill has been present for approximately 300 years, and numerous weirs and control structures have been in place maintaining a head of water for its operation. The mill and associated factory have been closed for decades and there is negligible heritage value associated with the site. The weir at Westbrook Mill consists of six 1.5m wide sluice gates in steel frames. There is a difference of 1.3m between the upstream and downstream bed levels, and a maintained upstream water level 1.6m above the weir sill of 36.3m AOD. The side walls downstream of the weir are cast concrete and there is a cast concrete central pier which extends 15m downstream under the road bridge giving access to the complex car park. An access walkway is present over the weir, and the weir is …

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