Project 8

Project: Construction of a New Primary Substation

Location: Patchway, Bristol

Client: Western Power Distribution

Role: Principal Contractor

Duration: 18 weeks

WPD contracted us to construct a new 33/11kV primary substation on a brown field site, as part of a redevelopment of the area. The site had been previously owned by Rolls Royce and its factory buildings had been demolished and cleared to ground slab level prior to purchase.

Below-ground slabs, basements and structures remained and had to be dealt with. All broken concrete arising was crushed off site and recycled as sub-base for the new compound.

The works consisted of a new 11kV switch house building with a RC basement, also accommodating a WC and third party metering room.

The WC was served by a 2800 ltr sealed cess pool unit and a water service taken 100m to the public highway.

Above ground, the new switch house was constructed traditionally with masonry cavity walling and galvanised steel wind posts.


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Grant Construction is the trading name of AI & ZA Grant Limited