subject: Quot;Building Energy Standards" (below) - rise buildings, fire safety - Fire Industry [print this page] Quot;Building Energy Standards" (below) - rise buildings, fire safety - Fire Industry
"Building Energy Standards" (I)
"Building Energy Standards" (middle)
8 smoke, smoke, and Ventilation Air conditioning
8.1 General provisions 8.1.1 facilities for high-rise buildings should be divided into mechanical smoke smoke pressurized air supply facilities, and windows can be opened to the natural smoke extraction facilities.
8.1.2 high-rise buildings should be divided into mechanical smoke exhaust gas facilities can be opened outside the window of facilities and natural smoke facilities.
8.1.3 a class of high-rise building and building height more than 32m of the Type II high-rise buildings of the following sites should be located smoke Facilities:
8.1.3.1 longer than 20m, within the corridor.
8.1.3.2 area of over 100m2, and often stay or fuel was more room.
8.1.3.3 atrium and high-rise buildings or combustible material was often stay more in the basement.
8.1.4 ventilation, air-conditioning system should take fire, smoke measures.
8.1.5 Machinery and mechanical exhaust air pressure wind speed, should meet the following requirements:
8.1.5.1 metal air duct should not be greater than 20m / s.
8.1.5.2 with the inner surface of smooth concrete and other non-metallic materials, ventilation should not be greater than 15m / s.
8.1.5.3 sent Tuyere The wind speed should be less than 7m / s; exhaust port of the wind speed should be less than 10m / s.
8.2 natural draft 8.2.1 In addition to building height more than 50m of a class of public buildings and construction of residential buildings taller than 100m outside, by external walls of the staircase and its rooms smoke, fire and sharing the elevator before the anterior chamber, should method using natural smoke.
8.2.2 with natural exhaust opening area shall meet the following requirements:
8.2.2.1 staircase before the smoke room, fire room before the elevator can be opened outside the window area of not less than 2.00m 2 , Combined with the former chamber of not less than 3.00m 2 .
8.2.2.2 smoke by the external walls of each staircase can be opened within five total area of windows and should not be less than 2.00m 2 .
8.2.2.3 does not exceed 60m length of the window can be opened within the aisle area of not less than 2% of the aisle area.
8.2.2.4 need to smoke outside the window of the room can be opened area of not less than 2% of the room area.
8.2.2.5 headroom is less than 12m in the atrium skylights can be opened or high side windows of the atrium area of not less than 5% of land area.
8.2.3 stairwell before the smoke room or shared before, the use of open balcony, gallery or concave towards the front room have different windows can be opened to the natural smoke, the smoke staircase facilities can be undefended.
8.2.4 smoke should set in at the top of the window, and should facilitate the opening of the device.
