Smoke staircase front room, fire elevator front room exhaust smoke What are the requirements?
When the smoke staircase, the front chamber with mechanical pressurized air smoke, smoke staircase should be maintained at not less than 50Pa wind pressure, the former room is not less than 25Pa wind pressure.
the window area should be set according to the following requirements:
① smoke staircase front room, fire elevator room should not be less than 2 square meters;
② when the two apply to the front room, should not be less than 3 square meters.
Smoke exhausted mechanical exhaust and natural smoke in two ways, when the smoke staircase front room, fire elevator front room with natural windows of natural smoke,
