3.3. 1 note 2 A fireproof partition wall with a fire resistance limit of not less than 2.50h shall be used to separate the raw cotton unpacking and flower washing workshop in the factory building from other parts in the factory building. When doors, windows and holes need to be opened, Class A fire doors and windows should be set.
3.3.7 The intermediate storage tank of Class C liquid in the workshop should be located in a separate room, and its capacity should not be greater than 5m3. The room with the intermediate storage tank shall be separated from other parts by a fireproof partition wall with a fire resistance limit of not less than 3.00h, the floor is 1.50h, and the room door is a Class A fireproof door.
3.4. 1 Note 3 For two first-class and second-class fire-resistant workshops, when the adjacent lower external wall is a firewall and the roof of the lower workshop has no skylight, the fire-resistant limit of the roof is not less than 1.00h, or the doors, windows and other openings of the adjacent higher external wall are provided with Class A fire-resistant doors, windows or fire-resistant separation water curtains, or as stipulated in Article 6.5 of the building code. The fire spacing between Class C, D and E workshops should not be less than 4m.
3.6. 10 The stairwell, outdoor staircase or the joint between the explosion danger area and the adjacent area shall be provided with protective measures such as door hoppers. The partition wall of the door hopper shall be a fireproof partition wall with a fire resistance limit of not less than 2.00h, and the doors shall be Class A fireproof doors staggered with the stairwell doors.
3.7.3 For underground or semi-underground factory buildings (including underground or semi-basement), when there are multiple fire zones arranged adjacent to each other and separated by firewalls, each fire zone can use the Class A fire door on the firewall leading to the adjacent fire zones as the second exit, but each fire zone must have at least 1 independent exits leading to the outside.
3.8.3 Underground or semi-underground warehouses (including underground or semi-basement) shall have at least two safety exits; When the building area is not more than 100m2, 1 exit can be set.
For underground or semi-underground warehouses (including underground or semi-basement), when there are multiple fire zones arranged adjacent to each other and separated by firewalls, each fire zone can use Class A fire doors leading to the adjacent fire zones on the firewall as the second safety exits, but each fire zone must have at least 1 safety exits leading to the outside.
5.2.2 When the fire resistance rating of the lower building in two adjacent buildings is not lower than Grade II, and there is no skylight on the roof, and the opening of the lower building with the external wall higher than the roof 15m is provided with Class A fire doors and windows, or a fire-proof partition water curtain conforming to the current national standard Code for Design of Automatic Sprinkler Fire Extinguishing Systems (GB 50084) or a fire-proof roller shutter specified in Article 6.5.3 of this Code,
5.3.2- 1 shall be separated from the surrounding communication space by fire prevention: when fire prevention zoning is adopted, its fire resistance limit shall not be lower than1.00h; When using fire-proof glass wall, its fire isolation and fire integrity should not be lower than 1.00h. When using non-thermal fire-proof glass wall with fire integrity not lower than1.00h, an automatic sprinkler system should be set for protection. When using fire shutter, its fire resistance limit should not be less than 3.00h, and should comply with the provisions of article 6.5.3 of the building code; The doors and windows communicating with the atrium should be Class A fire doors, which can automatically close in case of fire.
5.3.5-4 Underground or semi-underground shops with a total construction area of more than 20,000m2 are divided into several areas with a construction area of less than 20,000m2. When the smoke-proof stairwell is used for communication, the doors of the smoke-proof stairwell should adopt Class A fire doors.
5.4.7 Theaters, cinemas and auditoriums should be set in independent buildings; When using a three-level fire-resistant building, it should not exceed 2 floors; If it is really necessary to set it in other civil buildings, at least 1 independent safety exits and evacuation stairs should be set up, and the fire partition wall and Class A fire door with a fire resistance limit of not less than 2.00h should be used to separate it from other areas.
5.5.9 The fire exits of buildings with Grade I and II fire resistance are directly connected with outdoor fire protection zones, which is indeed difficult. Class A fire doors leading to adjacent fire zones can be used as fire exits, but they shall meet the following requirements:
1 When Class A fire doors leading to adjacent fire zones are used as safety exits, they should be separated from adjacent fire zones by firewalls;
2. There should be no less than two fire zones with a building area greater than 1000m2, and no less than two direct outdoor exits; Fire protection zones with a building area of not more than 1 outdoor direct exit should not be less than 1 outdoor direct exit;
3. The net evacuation width from the fire zone to the adjacent fire zone should not be greater than 30% of the total evacuation width calculated according to Article 5.5.2 1 of the building code, and the total evacuation width from the exit to the outdoor of each floor of the building should not be less than that calculated according to Article 5.5.2 1 of the building code.
5.2.23 The refuge floor can also be used as the equipment floor. Equipment pipelines should be arranged centrally, among which flammable and combustible liquid or gas pipelines should be arranged centrally. Moreover, the equipment pipeline area should be separated from the refuge area by a fireproof partition wall with a fire resistance of not less than 3.00 h. H. The pipeline well and the machine room should be separated from the refuge area by a fireproof partition wall with a fire resistance of not less than 2.00h h. The door between the pipeline well and the machine room should not be directly opened to the refuge area. If it is really necessary to sail directly to the refuge area, the distance from the entrance and exit of the refuge area should not be less than 5m, and a Class A fire door should be adopted.
5.2.24 The high-rise ward building should be equipped with an evacuation room in the ward building on the second floor and above and the clean operating department. The refuge room shall meet the following requirements:
1 there should be no more than two nursing units in the refuge room, and the net area should be determined according to the fact that each nursing unit is not less than 25.0m2 ..
2 When the refuge room is used for other purposes, the safety of people should be ensured, and the net area available for refuge should not be reduced.
3 should be close to the stairwell, and be separated from other parts by fire partition walls and Class A fire doors with fire resistance limit of not less than 2.00h·h h.
4. A dedicated fire line telephone and fire emergency broadcast should be set up.
The entrance to the refuge room should be clearly marked.
6. Windows that can be opened directly to the outside or independent mechanical smoke prevention facilities shall be set, and Class B fire-proof windows shall be used as the external windows.
6. 1.5 There should be no doors, windows and holes on the firewall. When it is really necessary to open, Class A fire doors and windows that cannot be opened or can be automatically closed in case of fire shall be set.
6.2.7 Fire control room, fire extinguishing equipment room, fire water pump room, ventilation and air conditioning room, power distribution room, etc. Attached to the building should be separated from other parts by a fireproof partition wall with a fire resistance limit of not less than 2.00h and a 1.50h floor.
The ventilation room set in Class D and Class E factories shall be separated from other parts by a fireproof partition wall with a fire resistance limit of not less than 1.00h and a floor of 0.50h. ..
The doors leading to the building in the ventilation and air-conditioning machine room and the power distribution room adopt Class A fire doors, and the doors leading to the building in the fire control room and other equipment rooms adopt Class B fire doors.
6.2.8 When flammable materials such as foamed plastics are used as insulation layers in cold storage and low-temperature environment production sites, incombustible insulation materials should be used for horizontal fire separation between layers. The fire resistance limit of the fire separation part should not be lower than that of the floor. The combustible insulation layer of the attic and the wall of the cold storage should be separated by incombustible wall.
When foam plastic is used as the internal insulation layer in cold storage and low-temperature production sites, the combustion performance of the insulation layer should not be lower than B 1, and the surface of the insulation layer should be made of non-combustible materials.
When the warehouse of the cold storage is adjacent to the processing workshop, a firewall should be set up to separate it. When it is really necessary to open interconnected openings, measures such as fire partition should be taken to separate them. Doors on both sides of the compartment shall be Class A fire doors.
6.4. 10 Evacuation walkways shall be provided with normally open Class A fire doors in the fire zone.
6.4. 13-2 The doors of the fire compartment shall be Class A fire doors.
6.4. 14 The smoke front room should be fortified from the fire zone to the entrance of the evacuation corridor, and the usable area of the front room should not be less than 6.0m2 The doors opening to the front room should adopt Class A fire doors, and the doors opening to the evacuation corridor should adopt Class B fire doors.
7.3.6 A fire-proof partition wall with a fire resistance limit of not less than 2.00h should be set between the fire-fighting elevator shaft and machine room and the adjacent elevator shaft and machine room, and the doors on the partition wall should adopt Class A fire doors.
Code for Fire Protection Design of Garage, Garage and Parking Lot (GB50067-20 14)
4.2.2-3 When the fire resistance limit of two adjacent Class I and Class II buildings is not less than 2.00h on the higher side of the external wall, and the hole of the wall is provided with Class A fire doors, windows, fire shutters, water curtains and other fire prevention facilities not less than 2.00h, the fire prevention spacing can be appropriately reduced, but it should not be less than 4 m;
5.2.6 Doors, windows and holes should not be opened on the firewall or fire partition. When it must be opened, Class A fire doors, windows or fire shutters with a fire resistance limit of not less than 3.00h shall be set.
5.3.3 Except for the open garage and sloping garage, both sides of the car ramp in other garages should be separated from the parking area by firewall, and the ramp entrance and exit should be separated from the parking area by water curtain, fire shutter or Grade A fire door. However, when the garage and ramp are equipped with automatic fire extinguishing systems, the entrance and exit of the ramp may not be equipped with water curtain, fire shutter or Class A fire door.
6.0.7 The underground garage connected with the basement of the residence can be evacuated by using the evacuation stairs of the residential part; When it is impossible to directly enter the evacuation stairwell of the residential part, a connecting walkway should be set between the underground garage and the evacuation stairwell of the residential part, and the door leading to the walkway should adopt a Class A fire door.
Code for Design of Electronic Information System Computer Room GB50 174-2008
6.3.3 When the computer room of Class A or Class B electronic information system is located in other buildings, a partition wall with a fire resistance limit of not less than 2h should be set between the main computer room and other parts, and the doors on the partition wall should adopt Class A fire doors.
Technical specification for fire water supply and hydrant system (GB50974-20 14)
4.3. 1 1-6 When a high-rise fire pool is set in the building, a partition wall with a fire resistance of not less than 2.00h and a floor slab of 1.50h should be used to separate it from other parts, and a Class A fire door should be set; The fire pool and its support shall be firmly connected with the building components.
5.5. 12-3 The fire pump room attached to the building shall be separated from other parts by a partition wall with a fire resistance of not less than 2.0h and a floor with a fire resistance of 1.50h, and its evacuation door shall go straight to the safety exit, and the door leading to the evacuation walkway shall adopt a Class A fire door.
Code for Fire Protection Design of Thermal Power Plants and Substations GB50229-2006
5.3.8 When the transformer is arranged within 5m outside the side wall of the steam turbine room, doors, windows and ventilation holes should not be set on the outer wall of the steam turbine room within 3m outside the projection range of the transformer outline; When the transformer is arranged in the range of 5 ~ 10 m outside the side wall of the steam turbine room, a Class A fire door can be set on the above-mentioned external wall. The fire window can be located above the height of the transformer, and its fire resistance limit should not be lower than 0.90h h h.
1 1. 1.4- 4 When the electrical equipment such as oil-immersed transformer or combustible dielectric capacitor is arranged within 5m outside the side wall of the production building (structure), there should be no doors, windows and holes in the wall below 3m horizontal line plus the total height of the equipment and within 3m on both sides of the equipment; When the outer wall of the building is 5 ~ 10m away from the outline of the equipment, a Class A fire door can be set on the outer wall within the above range, and a fire window can be set above the height of the equipment, and its fire resistance limit should not be less than 0.90h.
Code for Fire Protection Design of Civil Air Defense Engineering (GB50098-2009)
3. 1.6-3 (underground store) with a total construction area of more than 20000m2 should be separated by a firewall, and doors and windows should not be opened on the firewall. When adjacent areas really need to be partially connected, reliable fire separation measures should be taken, and the following fire separation methods can be selected: 4) Smoke-proof stairwells, doors of smoke-proof stairwells and front rooms should be normally open Class A fire doors that can be automatically closed in case of fire.
4. 1.6 When there are buildings on the ground of civil air defense engineering, and they are connected with the atrium on the first and second floors underground, or they are connected with the atrium on the first and second floors underground, the fire partition area shall be calculated according to the superposition of the areas connected with the upper and lower floors; When exceeding the maximum allowable building area of the fire zone specified in this specification, the following requirements shall be met:
1 Class A fire doors and windows that can be automatically closed in case of fire shall be set at the opening of the room communicating with the atrium;
2. The foyer and passageway connected to the atrium shall be provided with Class A fire doors or fire shutters with a fire resistance limit of not less than 3h; Fire doors or fire shutters should be able to automatically close or land in case of fire;
4.2.2 Doors, windows and holes should not be opened on the firewall. When it needs to be opened, Class A fire doors and windows that can be closed by themselves shall be provided.
4.2.4 The following places shall be separated from other places by partition walls with fire resistance not less than 2h and 1.5h floors, and shall meet the following requirements:
1 Fire control room, fire water pump room, smoke exhaust room, fire extinguishing agent bottle storage room, power distribution room, communication room, ventilation and air conditioning room, rooms with average combustible storage capacity exceeding 30kg/m2 fire load density, etc. , and set a normally closed Class A fire door on the wall.
2 The normally closed Class A fire door should be set on the wall of the oil storage room of the diesel generator room.
4.4.2 The setting of fire doors shall meet the following requirements: 1 The door at the exit of the fire zone shall be a Class A fire door; When the use function determines that it needs to be separated by fire shutter, a Class A fire door communicating with the evacuation walkway of the adjacent fire zone should be set next to it;
5.2.5-4 A front room with an area of not less than 6m2 shall be set from the fire zone to the entrance of the evacuation walkway, and the door of the front room shall be a Class A fire door;
Code for fire protection design of hangar GB50284-2008
4. 1.2- 1 The aircraft hangar should be separated from the office building, aircraft parts painting room, aircraft seat maintenance room, aviation material warehouse, power distribution room, power station and other production auxiliary rooms. Doors and windows on the firewall shall be Class A fire doors and windows, or fire shutter with fire resistance limit of not less than 3.00 h. ..
4. 1.3 It is not suitable to set up offices, reference rooms, lounges and other rooms in the hangar. If it is really necessary to set up a small number of such rooms, external walls should be adopted, and measures should be taken to go straight to the safety exits or evacuation walkways. Non-combustible walls with a fire resistance of not less than 2.00h and roofs with a fire resistance of not less than 1.50h should be used to separate them from aircraft parking and maintenance areas. Doors and windows on the wall shall be Class A fire doors and windows.
4. 1.4 The fire partition in the hangar shall be separated by a firewall. Fire shutter with a fire resistance limit of not less than 3.00h can be used for local holes with real difficulties. The doors on the firewall should be Class A fire doors, which can automatically close in case of fire.
4. 1.7 The fire control room and fire pump room attached to the hangar shall be separated from other parts by partition walls with a fire resistance of not less than 2.00h and floors with a fire resistance of not less than1.50 h ... The doors on the partition walls shall be Class A fire doors, and the evacuation doors shall directly lead to safety exits or evacuation stairs and walkways. The observation window shall be Class A fire-proof window.
4.2.2 When it is actually necessary to build a hangar next to the painting hangar, it should be separated from the aircraft parking and maintenance area by a firewall, and the doors on the firewall should be Class A fire doors or fire shutter doors with a fire resistance limit greater than 3.00h h.
9. 10.7 The internal combustion engine with its own fuel tank should be used in the fire pump room, and its fuel reserve should not be less than the consumption of the internal combustion engine for 4h and not more than 8h. When the internal combustion engine uses centralized fuel tank (tank) to supply oil, an oil storage room should be set up, which should be separated from the water pump by a firewall. When it is necessary to open the door on the firewall, a class A fire door should be adopted.
Code for Design of Subway (GB50 157-20 13)
28.2.5 There should be a firewall with a fire resistance limit of not less than 3h and a Class A fire door between the two fire zones. When there are observation windows in the firewall, Class A fire windows should be adopted. The floor slab of the fire zone shall have a fire resistance limit of not less than1.5h..