Boiler room and power distribution room should be arranged on the first floor or underground floor near the external wall, and should be directly used as external exits. A fire cornice with a width of not less than 1.00m is set above the hole (a window wall with a height of not less than 1.20m can also be set for low specifications).

The doors in the front room and stairwell should be Class B fire doors, and the front room of the fire elevator should be Class B fire doors or fire shutters with stagnation function. & gt When the doors are opened on the partition wall between the fire elevator shaft and machine room and the adjacent elevator shaft and machine room, Class A fire doors shall be set.

Hospital operating rooms, song and dance entertainment places, nurseries and kindergartens in residential buildings should be separated from other parts by fire doors of not less than Grade B. ..