Centum are an Achilles Verify Accredited Contractor and a Framework Supply Chain Approved Contractor to operate on the United Utility network. The operation has successfully delivered civil packages on the UU infrastructure both in Wastewater treatment works and in Public Highway scenarios.

Our services also extend to environmental works with the completion of wastewater attenuation systems for the Greater Manchester Waste Disposal Authority and outfall upgrades for the Environmental Agency.


Millom WwTw

Client United Utilities / KMI+
Scheme Construction of a 19m diameter Storm Tank
Duration 12 weeks
Value £395k

Formby WwTw

Client Imtech /United Utilities
Scheme • Extension to Screening House / Pumping Station • Construction of Inlet / Outlet Channels • Storm Overflow Construction • Roof Drainage • Pipe work • Retaining Wall Construction • Extension to Site Road
Duration  33 weeks
Value  £450k

Runcorn WwTw Phase 2 Modifications

Client United Utilities / Imtech
Scheme Provision of Civil Design and Construction
Duration  25 Weeks
Value £575k

New RC Roads / Machinery Plinths / Drainage / Ducting

Client  United Utilities
Scheme Workington WWTW, Cumbria, Sludge Process Modifications
Duration 22 weeks
Value £375k

Attenuation Drainage / Ducting / Roads & Footways

Client GMWDA
Scheme  GMWDA – Reliance St & Arkwright St Depots Manchester
Duration 11 weeks
Value £780k

Construction of Pumping Station /
Storage Tank & Associated Gravity & Rising Main Sewers

Client United Utilities
Scheme Burton Ave, Wirral – DG5 Works
Duration  19 Weeks
Value £240k

Outfall Works

Client  St Helens NHS Trust
Scheme St Helens Hospital
Duration 4 weeks
Value  £40k