Tender: Design, Supply and Install Solar PV and Battery System for Middletons Yard (83–83a & 87 Bridge Street) – £46,250 Budget

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The Council is seeking a supplier to design, supply and install a solar PV array and battery system to reduce running costs at Middletons Yard, delivering two solar arrays at 83–83a and 87 Bridge Street and optimising array and battery sizing to maximise benefit within a £46,250 budget. The contractor must develop full CAD (or equivalent) designs covering PV quantity, quality/brand and orientation, inverter specification, battery sizing, and connection to site electrical infrastructure; undertake initial electrical and any required structural surveys; submit and manage planning permissions and G99/G98/DNO applications; carry out installation, associated electrical and building works including ensuring roof fitness; perform testing and certification of the final installation; and provide a handover pack including MCS certificate, Electrical Installation Certificate and Building Regulations Part P notification, DNO connection letter, manufacturer warranties and insurance-backed guarantees, manuals, schematics and confirmation of PV ownership. Proposals must include designs, drawings and financial calculations showing expected benefit and the provider remains responsible for all surveys, checks and design work despite an initial structural survey being included in the tender pack for information only.