Thames Water has gone out to tender with a major AMP8 contract for mains rehabilitation with an estimated total value of £440 million.
The contract is being tendered in two separate Lots.
Lot 1 - Design and Build (£320 million)
Water Quality, Burst Driven, DMA Replacement
IChemE Burgundy Book - TW Amendments
Scope of work includes:
- Optimisation, structural replacement or relining of distribution water mains within DMAs and bounded by district meters and the District Boundary Valves.
- Structural replacement of all service connections from the distribution mains to customer boundaries, including installation of a suitable boundary box.
- Replacement of all apparatus connected to the network including valves, hydrants, disinfection points, air valves, etc.
- Securing abandoned mains by cutting and capping. Removing surface covers, marker posts and plates of abandoned washouts, hydrants and valves etc. so that only covers relating to live apparatus remain.
Lot 2 - Build Only (£120 million)
Water Quality, Burst Driven, DMA Replacement
NEC4 ECSS Short form with TW Amendments
Scope of work includes:
- Optimisation, structural replacement or relining of distribution water mains within DMAs and bounded by district meters and the District Boundary Valves.
- Structural replacement of all service connections from the distribution mains to customer boundaries, including installation of a suitable boundary box.
- Replacement of all apparatus connected to the network including valves, hydrants, disinfection points, air valves, etc.
- Securing abandoned mains by cutting and capping. Removing surface covers, marker posts and plates of abandoned washouts, hydrants and valves etc. so that only covers relating to live apparatus remain.
The contract will be awarded for an initial term of 4 years with options to extend up to a maximum duration of 8 years.
Time limit for receipt of tenders or requests to participate is 14 January 2025 – click here to access the tender documentation.