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Rose Valley Substation, Brentwood

Utility Installation Projects worked with McAlpine to excavate and install 33kV cables, associated pilot cables, and one oil line through a public highway and sub station land.

Client: McAlpine

Contract Value: £190k

Services Supplied: Project management, excavation works, cable pulling, Bentoniting, as laid drawings, permit management, temporary works, one way traffic management, joint bay excavation and liaison with the public and local council.

Excavate and install 33kV cables with associated pilot cables and one oil line through the public highway and substation land.

Renewal of existing oil filled cables over a distance of approx 600m. The works involved excavation both within the public highway and inside the substation compound, working around live cables, to install 8 x 33kV circuits and associated pilot cables and new oil lines, all in 150mm and 88.9mm duct. The sections within the carriageway were filled with Bentonite. The works also involved the joint bay excavation of 2 no Oil to Poly Transition Joint Bays.

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