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Project:Lostock Substation, Cheshire

Client:Barhale Construction


The contract involved the construction of a new control building and 132kv switch yard compound. The works consisted of providing a full construction package from inception to final handover, and was undertaken within an existing live substation compound.


The schemes involved the following work elements:

 Safe digging practices to establish depth and

   positioning of buried services

 Removal of Himilayan Balsam

 Reduced dig excavation and cut and fill to formation level

 Construction of 300mm thick reinforced concrete raft foundation

 Power floated slab, service trenches and cable pits

 Fabrication and installation of galvanised support steelwork to service trenches

 Cavity wall brickwork

 Pre cast concrete roof slabs

 New flat roof construction

 Internal decoration to new and live existing control rooms

 First and second fix plumbing and joinery to control building

 Reinforced concrete access roads and car parks

 Excavation and installation of drainage and oil separators

 Excavate and lay new 3 and 5 way cable ducts

 Cast in situ service trenches and marshalling kiosks with G.R.P trench covers

 Excavation and construction of reinforced concrete equipment bases, including ducts  and holding down bolts