Client: Volker Stevin / CH2M JV Joint Venture (C2V), United Utilities
Value: £5,700,000

Construct an underground storm water storage tank capable of storing 12,000m3 of storm water plus interconnecting pipework.
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The project objective was to complete the AMP 5 obligations on the Fylde Coast of “moving towards three spills” National Environment Programme (NEP) driver originally associated with the provision of Poulton Wastewater Treatment Works. This project was to construct an underground storm water storage tank capable of storing 12,000m3 of storm water plus interconnecting pipework; the inlet pipework is an 1,800mm diameter tunnel, formed by microtunnelling.Anchorsholme3-1300x700

  • The outlet pipework comprising 5 nr rising mains, to a discharge chamber, then a gravity main, 800mm diameter, back to the existing culvert.
  • C2V engaged with Ward and Burke Construction to design and construct a 30m diameter underground storage tank, which upon completion, would assist in flood relief during storm conditions.
  • The design allowed for the shaft walls to be constructed above existing ground level, and through precise design and constructability, for it to be sunk to finished formation level.