Tender: Refurbishment of Communal Boiler Plantroom and HIU Replacement at Colley House, Uxbridge

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The London Borough of Hillingdon is seeking a contractor to undertake the complete refurbishment of the communal boiler plantroom and associated heating infrastructure at Colley House, Uxbridge. The contractor must provide all labour, materials, plant, equipment, supervision, temporary works, testing, commissioning, certification, documentation, builder's works and resident liaison services to deliver a fully operational heating and hot water system, including replacement of the existing boiler plant, replacement of associated mechanical and electrical services, new gas infrastructure and gas safety systems, new Trend BMS controls, a new plantroom ventilation system, new water treatment and pressurisation equipment, replacement of 84 Heat Interface Units (HIUs) within occupied dwellings, removal of redundant equipment and associated builders' works, and issuing temporary 3kw fan / Oil heaters to residents and Lease Holders if required in the event of total emergency loss of plantroom equipment. All works must comply with current Building Regulations, British Standards, Gas Safety Regulations, CIBSE Guidance, manufacturers' recommendations and other statutory requirements, and the contract will be based on the JCT 2024 Minor Works Contract with Contractors Design.