The purpose of the hydro scheme is to make Pershore Leisure Centre hydro powered. With the Archimedes screws and generators in position, the electrical engineering aspects of the project are now being installed. This is a key component of the scheme, ensuring that the hydro generated electricity is transferred securely to its point of use at Pershore Leisure Centre located some distance away on the opposite side of the river.
This will involve the installation of a new 11 kV triplex cable along a designated line approved at the planning stage. The route includes installation of the cable in a 160 mm diameter duct beneath the River Avon and at a 1m depth across the open ground between the leisure centre and River Avon, and at 600 mm (or as site limitations impose) beneath the paving to the end of the Leisure Centre. It will also involve installation of a copper earth cable along the same route, as well as installation of an armoured telecoms cable for energy monitoring purposes and its connection by BT Open Reach to its network in Pershore.
From a civil engineering perspective, this will involve directional drilling under the River Avon from east to west, as well as trenching from the river duct crossing (west) to the Pershore leisure centre plant room, and from the river duct crossing (east) to the turbine house.
From an electrical engineering perspective, it will involve the design and construction by Western Power Distribution (WPD) of an 11kV HV substation to the rear of Pershore Leisure Centre. WPD will also be responsible for the design and installation of HV switchgear, transformer and metering. It will involve the connection of the LV output from the new HV substation to the existing incoming LV supply to the Pershore leisure centre plant room.
Work within the leisure centre plant room will be limited to the possible replacement of the existing incoming LV supply cable (if WPD deem it necessary).
Any interruption of supply to the leisure centre will be limited to the change of the LV circuit. This will be programmed at a suitable time by agreement with the leisure centre manager to thereby avoid any disruption.
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