[Fire Protection Expert] How should smoke control and exhaust systems be designed?

[Fire Protection Expert] How should smoke control and exhaust systems be designed?

Smoke-proof stairwells have supply air outlets every 2-3 floors; antechambers have supply air outlets and motorized smoke exhaust outlets on each floor. Shared antechambers use a positive pressure air supply system. The smoke exhaust volume is based on 6 air changes per hour or actual calculation, whichever is greater.