Thames Water has gone out to tender with a major AMP7/8 contract for its Oxford Sewage Treatment Works upgrade project – estimated total value of the contract is put at between £240 million to £260 million.
Scope of the wide ranging contract, which will run for 60 months, includes:
- Compliance with a new quality permit consisting of an ammonia consent reduction from 3mg/l to 1mg/l; and a Tot-P reduction from 1mg/l to 0.25mg/l.
- Increase flow to full treatment from 1,040l/s to 1,802l/s.
- Increase in the storm tank capacity from 6,831m3 to 18,167m3.
- Replace inlet works and upgrade the effluent treatment process with a new 170,000PE stream.
- Increase dissolved oxygen level in the final effluent channel.
- Address existing effluent stream process capacity pinch points.
- Increase the throughput capacity of sludge treatment process.
- New power supply, HV ring main, fibre optic network and SCADA upgrade.
Consortia bidding for the work may be required to form a legal entity prior to the contract award.
Suppliers who want to register their interest and respond to the tender notice must request a pre-qualification questionnaire (PQQ) via the following weblink.
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 is participate is 11 November 2024 – click here to access the tender documentation.
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