Thames Water has gone out to tender with a contract for construction work related to a new AMP 7 permit for its Slough Sewage Treatment Works worth an estimated £72 million.

The project includes the following packages of work:

• new chemical storage and dosing system to aid Phosphorus removal
• new pre-aeration primary tank supernatant and RAS mixing and distribution chamber
• new activated sludge aeration lane that matches existing with two new 35 m diameter final
• settlement tanks and RAS system
• new Tertiary Solids Removal treatment stage
• new standby power facility
• new centrate storage tank and pump system to return centrate for treatment
• new Picket Fence Thickener to operate in parallel to two existing units
• new liquor return pump station to return site liquors for treatment

Contract term is 60 months - all suppliers who want to respond to the contract notice must request a pre-qualification questionnaire (PQQ). The client may be Thames Water Utilities Ltd or another company within the Kemble Water group structure

Time limit for receipt of tenders or requests to participate is 19 August 2024 – click here to access the tender documentation.