Thames Water is inviting interested suppliers to attend an online launch event at the end of September for its upcoming AMP8 tender to put a Mains Rehab Framework agreement in place worth an estimated £440 million.
The aim of the company's AMP8 Distribution Mains Renewal Programme is to replace the pipework (excluding new polyethylene) within the worst performing DMAs so that the amount of leakage in each of those areas is reduced.
Thames Water has planned for 570km to be delivered during AMP8, with a further 1,000km in AMP9. The intention is to split this between water quality driven mains rehab (12km), burst driven mains rehab (108km) and whole DMA replacement (380km).
The framework is intended to complement the existing framework by providing supplementary support in addressing the evolving demands of the current framework in the next AMP and going forward.
Business drivers for the schemes are:
- Network resilience
- Leakage reduction
- Reduce risk of mains failure and customers interruptions
- Improving C-Mex measure
The objective of Thames Water’s Distribution Mains Renewal Programme is the structural renewal of targeted water distribution mains and all associated apparatus in the network to reduce bursts and leakage.
Renewal of the water mains network will include:
- 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 estimated total value of the works is put at up to £440 million.
The Framework procurement is for the appointment of a contractor(s) to deliver the mains works under two separate Lots:
Lot 1 Design and Build £380 million
Lot 2 Build Only £60 million
The Lots will be split between 2nr Lots of 3-5 contractors on each covering works up to April 2029, with the potential for a further extension of up to 4 years.
Thames Water is inviting interested suppliers to attend a launch event to be held via Teams on 30th September 2024 at 3.00pm (subject to approval). Suppliers are asked to email This e-mail address is being protected from spambots. You need JavaScript enabled to view it for joining instructions and to confirm attendance by 26th September 1.00 pm
Estimated date of publication of the formal contract notice is October 2024.
Click here to access the Prior Information Notice documentation.
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