![]() Open-air parking garages are being constructed in airports across Canada with building areas far in excess of the 10,000-m2 limitation. However, the code only eases the rules to open-air parking structures that are not more than 10,000 square metres in building area and not more than 22 metres in height. The National Building Code recognizes the low fire hazards associated with open-air parking structures and relaxes a number of passive and active fire safety requirements that apply to other types of buildings. Nor do these requirements make for cost-effective fire and life safety design. ![]() The requirements in the current - 1995 - edition of the National Building Code of Canada (NBC) for large, multi-storey, open-air garages demand a level of performance that is not justifiable by any study, test or past performance. The rules in the National Building Code of Canada for the fire protection of large open air parking garages can result in costly and unjustified designs. ![]()
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