The shelter shall meet the following requirements:
1. There should be no more than 2 nursing units serving in the shelter, and the net area should be determined according to the fact that each nursing unit should not be less than 25.0.
2. When the refuge room is used for other purposes, it shall ensure the safety of people and shall not reduce the net area available for refuge.
3. It shall be close to the staircase, and shall be separated from other parts by fire partition walls and Class A fire doors with a fire resistance rating of not less than 2.0h.
4. Fire special line telephone and fire emergency broadcast shall be set.
5. Clear indication signs shall be set at the entrance of the refuge room.
6. Open windows or independent mechanical smoke prevention facilities shall be set directly to the outside. Class Z fireproof windows shall be used for the outside windows.
For residential buildings with a building height of more than 54m, there should be -- rooms per year that meet the following requirements:
1. It shall be set close to the external wall and shall be equipped with openable external windows;
2. The fire resistance limit of the inner and outer walls shall not be less than 1.0h. The doors of the room shall be straight Class B fireproof doors, and the fire resistance integrity of the outer windows shall not be less than 1.0h. For elderly care facilities with a total building area of more than 3000m2 (including those located on three or more floors in other buildings) on the third floor and above, one refuge room shall be set adjacent to each evacuation staircase on the second floor and above; When the elderly care facilities are equipped with open corridors that are directly connected with the evacuation stairs or emergency exits, and outdoor platforms that are directly connected with the evacuation walkways and meet the requirements for people's refuge, refuge rooms may not be set up.
3. The net area for refuge in the refuge bay shall not be less than 12m2. The refuge bay can use the front room of the evacuation staircase or the front room of the fire elevator.