Please notify the following fire safety requirement of Vietnam building code in your architectural layout.According to QCVN 06:2010/BXD Vietnam Building Code on Fire Safety of BuildingsArticle 3.4.12 states: in buildings higher than 28m N1-category fire escape staircase must be provided and the Vietnam code allows:• To layout not more than 50% of N2 or N3-category which have positive pressure in case of fire. If the designer would like to arrange only N2 and/or N3-category fire escape stairs then the Client must apply for permision from the Vietnam ministry of construction and from the Bureau of fire prevention and fire fighting (in Ha noi).Hilton project is a mixed use project which includes hotel (group F 1.2 in accordance to the above-mentioned Vietnam code), office (group F 4.3), commercial area (group F 3.1), …
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