'These are used throughout the building to absorb daytime solar gains and level any peaks, releasing their stored energy by night-time purge ventilation working with the natural ventilation system. The concept layout of the building was developed to consider passive design methods focusing on thermal mass, orientation, natural lighting and cooling strategies in collaboration with end users (staff and patients) and representatives from infection control, hotel services and facilities management.ĬMS senior architect Paul Rogers said: 'The design embraced sustainable thinking from the outset with the use of prefabrication construction methods, natural ventilation, maximising daylight with external louvres, and innovative PCM ceiling tiles. The brief from University Hospitals Bristol NHS Foundation Trust to CMS Architects was to provide an enlarged accommodation schedule to facilitate the client’s 'model of care', which streamlined two services into one department as part of a £143 million investment in the redevelopment of the Infirmary. Of modular build, the new structure was craned into place, with a road closure and 24-hour security but no hitches or incidents, over a single weekend before being fitted out to provide 15 consulting rooms, nine changing cubicles, a reception, waiting areas and associated clinical support services. In addition, small areas of refurbishment were carried out within adjacent areas to provide links to two retained towers. The new building, located on the roof of the hospital’s King Edward Building, replaces a derelict structure that was carefully demolished with full scaffold protection to the roof perimeter. Some 300m2 of the metal CoolZone tiles incorporating Phase Change Material (PCM), which absorbs heat during the day and releases it at night to reduce a building’s reliance on air conditioning, feature alongside 300m2 of Ultima+ mineral tiles. Armstrong’s CoolZone passive energy-saving tiles have been used alongside the manufacturer’s Ultima+ range - the world’s first complete ceiling range to win Cradle to Cradle certification - with a Tegular edge detail on a 24mm suspension grid throughout the £2 million replacement surgical admissions suite (SAS) and pre-operative assessment department (POD) at Bristol Royal Infirmary.
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