Arrangement requirements for emergency lights
audience hall, building area of more than 400m2 of the exhibition hall, business hall, multi-function hall and restaurant, building area of more than 200m2 studio
public buildings with an area of more than 300m2 underground or semi underground buildings or basements or semi basements;
closed staircases, smoke proof staircase and elevator room, fire elevator room or common antechamber;
fire control room, fire pump house, self generating generator room, power distribution room, smoke prevention and smoke evacuation room, and other rooms which need to work normally when fire happens;
