Repair of Parliament Buildings Roof w/ Associated Building Engineering Services

Tender description

Re-roofing works to multi-levels of four storey grade B+ listed building including waterproofing, insulation, roof lights and abutment flashings. Renewal of guard railing, access ladders and stairs. Parapet repairs. Refurbishment of rainwater goods. New roof plant will be supported on new steel dais structures. Concrete repairs to selected parts of the roof slab. Light wells maintenance works including redecoration of windows and external masonry. A steel structured mezzanine to be inserted in an open plan fourth floor room. Mechanical works including: - Replacement of external roof mounted HVAC plant with packaged air handling plant; Refurbishment of boiler plant rooms; Replacement of BEMS controls; Provision of rainwater harvesting systems; Renewables installations to include solar thermal, heat pumps and photovoltaics; Metering installations. Electrical works including: - Alterations to existing main switchgear; New sub mains distribution cabling; General Power installations; Power and control wiring associated with new HVAC plant; Alterations to lightning protection; General, emergency and maintenance lighting; Electrical metering installations; Alterations to Fire Alarm; Alterations to CCTV installations. Works to be carried out in a live and restricted environment with minimal disruption to normal Northern Ireland Assembly business.