One of four case studies examining the use of natural ventilation in health centres
Mittal Children’s Medical Centre (GOSH), London, Llwewelyn Davies Yeang
Completion date 2012
Services engineer WSP Buildings
Gross internal floor area (phase 1) 13,860m2
Predicted annual CO2 emissions/m2 99kg
NEAT Excellent 77 per cent (at Stage D)
The Mittal Children’s Medical Centre in Great Ormond Street Hospital (GOSH) consists of two linked buildings with wards, operating theatres, offices and a restaurant. The first phase is on site.
Patient wards will have mixed-mode ventilation operated by the building management system with a manual override. In mid-season, the operable upper quarter of the window will enable fresh air intake. Air will be extracted by mechanical vent-ilation in the en-suite bathrooms. In summer and winter, windows remain closed and chilled beams provide comfort control.
A glazed vertical ventilation shaft is a major feature of the new building’s street elevation. This chimney serves the ground-floor restaurant and provides
a buffer zone to evacuate solar gain from the facade.
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