Is the fireproof door of the substation room a Class A fireproof door?
Civil building design general is a fire door,
8.3.2 The level of the fire doors of substations shall meet the following requirements:
1 in the high-rise buildings within the substation, should use the fire resistance of not less than 2h partition, fire resistance of not less than 1.50h floor and Class A fire doors and other parts separated;
2 combustible oil-immersed transformer room to the power distribution room or transformer room between the door should be Class A fire doors;
3 with substation internal interlinked door, should be C fire doors;
4 with substation directly to the outdoor door, should be C fire doors
According to the "Code for Electrical Design of Civil Buildings", the provisions of Article 4.9.2 (Strong) of JGJ 16-2008:
The door of the distribution office shall be a fire door and shall comply with the following:
1. When the power distribution is located in the main building (or podium), the door leading to other adjacent rooms shall be Class A fire doors and the doors leading to the aisles shall be Class B fire doors;
2. When the power distribution is located at the second floor or higher of the multi-storey building, the door leading to the other adjacent rooms shall be Class A fire doors and the doors leading to the aisles shall be Class B fire doors;
3. When the distribution is located on the floor of a multi-storey building, the door leading to the adjacent room or aisle shall be a Class B fire door;
4. When the power distribution is located in the basement or below the underground, the door leading to the adjacent room or aisle shall be Class A fire doors;
5. The door near the distribution of flammable items or doors to the garage should be Class A fire doors;
6. Power distribution directly to the outdoor door should be C fire doors.