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Project
Burscough WwTW
Client
United Utilities
Value
£5,100,000
Case Study

Burscough WwTW

Project
Burscough WwTW
Client
United Utilities
Value
£5,100,000
The Project

Design and construction of utility works providing additional storm storage (13,500m3) and modifications to the existing inlet works all located at Burscough WwTW.

The project scope includes excavation and construction of an underground reinforced concrete storage tank 70m x 60m x 3.75m deep incorporating the installation of 225nr x 11m long CFA tension piles.

Major RC modifications and an extension to the existing inlet works are required including the design and installation of all MEICA equipment (screens, washpactors, MCC’s, control equipment, valves, penstocks, diversion of effluent mains/pipework) and demolition of the existing inlet works building.

Installation of PCC storm overflow channels 135m x 2.3m cross sectional area, installation of a storm return pumping station constructed as a 7m diameter segmental shaft 9m deep with associated pumps, motors, valves, actuator, penstocks and MEICA equipment, together with open cut pipework comprising 1200mm dia x 40m, 600mm dia x 130m, 450mm dia x 120m laid at an average depth of 3 – 5m.

Construction of access roads and a road bridge along with landscaping and security perimeter fencing also formed part of the works.

Extensive environmental management (coordination works to protect protected species such as water voles and Purple Ramping Fumitory and management of invasive species such as Himalayan Balsam) and third party management and liaison was undertaken due to the location and sensitivity of the site (adjacent to Martin Mere Wildfowl and Wetland Trust) and also the site being fully operational during the construction works.

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