CA18353 - R9321 - SHGH - Roof Works 2

The Trust is seeking a suitably experienced roofing contractor to undertake repair and refurbishment works to sections of the existing flat roof serving the A2 Main Building. The works comprise approximately 170m² of roof area, subject to contractor verification and remeasurement on site, including removal of vegetation and debris, preparation and localised repair of the existing roof/deck, and application of an Instaseal Ultra Low VOC roof coating system, including treatment of associated upstands to approximately 150mm and all necessary detailing to provide a complete watertight installation. The works shall also include localised remedial treatment to defective roof substrates; temporary removal and reinstatement of supports/access grilles associated with existing rooftop plant where required; cleaning and unblocking of roof drainage hoppers/outlets; temporary removal and reinstatement of lightning protection; repairs and repointing to parapet walls; redressing and making good existing lead flashings; and associated making good. Approximately 20m² of localised deck repair and 40 linear metres of parapet repairs are to be allowed for, with final quantities verified on site. The scope additionally includes renewal of the identified external roof access/fire escape door with a new one-hour fire-resistant timber doorset, including associated ironmongery, lockset and weather protection, together with preparation and redecoration of existing metal railings and temporary safety provisions where railings require removal to facilitate the works. Access to the roof is anticipated via the existing external fire escape identified within the tender information. The contractor shall undertake all necessary surveys, verify dimensions and existing conditions prior to commencement, and provide all access, temporary works, protection, health and safety measures and infection-control precautions required for working within an operational NHS environment. The works are to comply wit