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Teddington Direct River Abstraction (TDRA) Tunnelling Main Works Contract (MWC)

Key facts

Country
United Kingdom
Region
UKJ11
Estimated value
not stated
Procedure
Competitive flexible procedure
Published
Source
UK Find a Tender

Description

Design, build, test and commission of the following two main components: i) A recycled water conveyance tunnel from Mogden Sewage Treatment Works (STW) to Teddington. A new approximately 4.2km long tunnelled conveyance route approximately 3.5m internal diameter (ID) would be driven using a Tunnel Boring Machine (TBM) and constructed to connect a new Tertiary Treatment Plant (provided by others) in Mogden STW to the proposed outfall on the riverbank of the River Thames upstream of Teddington Weir. The tunnel would have four shafts. ii) River abstraction and transfer to the existing Thames Lee…

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