Tender: Abergele Community Clinic Flat Roof Upgrade – Warm Roof & Cold‑Applied Liquid Waterproofing

About

Betsi Cadwaladr University Health Board is seeking a suitably qualified and experienced contractor to undertake a complete renewal of the flat roof at Abergele Community Clinic, delivering a fully warranted warm roof system incorporating a seamless cold-applied liquid waterproofing membrane and a thermal upgrade to current Building Regulations. The works include provision of scaffolding and edge protection, stripping the existing roof back to the timber joist structure, inspection and verification of the roof deck and supporting structure, installation of an 18mm plywood deck in accordance with BS EN 1995-1-1 (Eurocode 5), installation of an air and vapour control layer, tapered PIR insulation, carrier membrane where required, and a reinforced cold-applied liquid waterproofing system, dismantling the disused chimney to below deck level and forming new deck support, installing high and low-level ventilation grilles to the retained chimney stack, and completing all associated roof details, penetrations, upstands, outlets, flashings and terminations. Works must be carried out sectional ly to ensure the building remains weather-tight at the end of each working day, and the contractor will coordinate architectural, mechanical, electrical and structural elements while managing logistics, access arrangements, infection control measures and health and safety in a live hospital environment in accordance with NHS estate standards and hospital operational constraints.