Northumbrian Water Group has awarded a contract for the design and construction of Phase 1 of the new cross country Tees water pipeline worth an estimated £62 million.
The water company has appointed Northstone (NI) Ltd, one of the largest construction and building materials groups in Northern Ireland, to design and construct the new pipeline.
The existing water pipelines between Lartington Water Treatment Works (WTW) and Long Newton Service Reservoir (SR) require replacing as they approach the end of their operational life.
The treated water conveyance system is approximately 54km long will be built in two phases.
Phase 1, which will be built under this contract, will transfer up to 84MLD water from the existing water treatment plant at Lartington to Whorley Service Reservoir and up to 55MLD from the inlet of Whorley Service Reservoir to Shildon Service Reservoir. Part of the route from Whorley to Shildon is dualled with two 800mm diameter pipes to be laid in the same trench.
Estimated value of Phase 1, which is expected to be in service by 31st March 2025, is £62 million. The contract also includes an option to include the pumping station ( an additional £3 million) at Shildon Service Reservoir in the scope of Phase 1.
Northumbrian Water Group intention is to award Phase 2 of the project to Northstone in view of the fact that this will be an extension of the original work and consist of similar work activity.
Phase 2 is of similar size and is planned to start in April 2025 and is required to convey up to 84MLD from Gainford to Long Newton Service Reservoir. Phase 2 requires completion by December 2028. The estimated value of Phase 2 is £40 million.
Any award of phase 2 would be subject to satisfactory performance for Phase 1 and the ability to agree the price and programme for Phase 2.
The Phase 1 and 2 works will require a number of strategic river, rail and road crossings, strategic connections and a number of abandonments.
Northstone (NI) Ltd were one of two companies in the bidding for the work.

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