Code for fire protection design of high-rise civil buildings GB50045-95
Update 2018-11-06 11:53:29 In order to ensure that the documents are easy to read and save, the specifications of the fire door are downloaded in the form of Baidu web disks.
6.1.1 There should be no less than two safety exits for each fire zone in high-rise buildings. However, a safety exit may be established if one of the following conditions is met:
18.104.22.168 Tower-type residences with eighteen floors and below, each floor not exceeding eight households, building area not exceeding 650 square meters, and equipped with a smoke-proof stairwell and fire elevator.
22.214.171.124 Each unit on the eighteenth floor and below is provided with an evacuation staircase leading to the roof. The stairs between the units communicate through the roof. There is a firewall between the unit and the unit. Over eighteen floors, each unit is provided with an evacuation staircase leading to the roof. The stairs of each adjacent unit above the eighteenth floor are connected by a balcony or a porch (the roof may not be connected). Part of the unit is equipped with a firewall, and the door is a Class A fire door. The width of the window wall and the height of the sill wall are greater than 1.2m.
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