The stage and backstage of theater and other buildings often use or store a large number of screens, sets and props, and there are many combustible decoration and electrical equipment.
(1) There are some important parts in the medical building or parts that cannot be evacuated immediately in case of fire, such as delivery room, operating room, intensive care unit, room for valuable precision medical equipment, as well as places with many combustibles or high fire risk and prone to fire, such as pharmacy, storage room, laboratory, film room, etc.
For example, the substation, transformer, combustible or flammable liquid or gas storage room, personnel rest room, workshop management and dispatching room and storage area of articles with different fire hazards in the warehouse in the workshop are also specified in articles 3.3.5 ~ 3.3.8 and 6.2.7 of this specification.
The fire protection measures and regulations of other buildings in theaters and cinemas shall also meet the requirements of the current national standards code for design of theater buildings jgj57 and code for design of cinemas jgj58.
Article description: 6.2.3 this article specifies the requirements for fire separation of inflammable and explosive production parts prone to fire or high temperature and open fire.
When there are process requirements in the plant or warehouse that the production with different fire hazards must be arranged together, except for the production and storage places with class D and class E fire hazards, the production or storage articles with Class A, B and C fire hazards in the plant or warehouse shall be generally set separately, and shall be separated by walls with certain fire resistance limit.
This article specifies the fire separation requirements for some special places in the building that need key fire protection.
In addition, due to the needs of performance, there are many human fire factors, such as fireworks effect and actors’ smoking performance on stage, which are also easy to cause fire.
Article description: 6.2.5 this article is mandatory.
There are many combustibles in the lighting control room and storage room for props and sets under the stage of theater and other buildings, which is also the key control part of the fire protection design of the place.
In order to effectively control the spread of fire and smoke, especially the threat of smoke to personnel safety, the fire partition wall in densely populated places such as hotels and public entertainment places should be built from the ground or floor to the bottom of the next floor or roof slab.
It is also an important measure to determine the fire safety of residential buildings.
Therefore, it is necessary to strengthen the fire separation of these rooms to reduce the fire hazard.
Today we will explain articles 6.2.1-6.2.5 of the construction regulations.
Once a fire occurs, it is easy to cause the fire to spread horizontally and vertically through the opening on the outer wall.
When they are set in other buildings, they should be separated from other parts.
It is required that the walls between units should have no door and window openings, and the walls between units should be built to the bottom of the roof slab, so that the partition wall can really play the role of fire separation, so as to limit the fire to a house or a unit on fire.
The film screening room mainly shows films with inflammable materials such as nitric acid fiber sheets, which is very easy to burn, or the use of inflammable liquid acetone to connect the sheets when the pieces are broken, resulting in fire, and there are many indoor electrical equipment.
For the clean operation Department of the hospital, it should also meet the relevant requirements of the current national standards “technical code for building of clean operation Department of the hospital” gb50333 and “code for design of general hospital buildings” jgj49.
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(2) Infants and young children in nurseries, kindergartens, the elderly, the elderly and the weak in buildings have weak behavior ability, which is easy to cause casualties in case of fire.
Therefore, this part should be effectively separated from other parts.
The fire resistance limit of fire separation walls and floors specified in this article is determined according to the corresponding requirements of buildings with class II fire resistance rating.
Article description: 6.2.1 this article specifies the fire separation requirements for the stage and auditorium of theatres, cinemas and other buildings.
Therefore, this article puts forward requirements for the fire separation of the kitchen.
Therefore, this article stipulates the fire prevention measures between the openings of the building facade.
The “kitchen” in this article includes the kitchen in public buildings and factories, the public kitchen in residential buildings such as dormitories and apartments, and does not include the kitchen set in residential buildings such as houses, dormitories and apartments for the personal use of families or accommodation personnel.
Strict separation is carried out between households to ensure that the fire does not spread to each other.
Article description: 6.2.2 this article is mandatory.
In the unit residence, the partition wall is the main fire separation wall.
At present, floor to ceiling windows are used in buildings, and there is no solid wall between the upper and lower floors.
Fire prevention measures shall be taken for the gap between the floor slab and the partition wall, the pipe passing through the wall and its gap and opening in accordance with the relevant provisions of this specification.
Other fire prevention requirements shall also meet the requirements of current national standards such as code for design of nursery and kindergarten buildings jgj39, code for design of buildings for the elderly jgj122 and standard for design of residential buildings for the elderly GB / t50340.
After the fire, the fire on the stage often develops rapidly and is difficult to control in time.
In order to ensure the effectiveness of fire partition wall, this article stipulates its structural practice.
Kitchen fire risk is high, mainly due to overload and aging of electrical equipment, gas leakage or fire of range hood and oil fume exhaust pipeline.
For the projection room showing digital films, when there are few combustibles in the room, the observation hole and projection hole can also not take fire separation measures.
Article description: 6.2.4 this article is mandatory.
Combined with relevant fire cases, this article stipulates the height of the wall between the upper and lower openings on the outer wall of the building or the overhanging width of the fire cornice, as well as the horizontal width of the wall between the adjacent openings on the outer wall of the residential building, so as to prevent the fire from spreading through the outer window of the building..
If the necessary fire separation measures are not taken between the openings of the building facade, it is easy to cause the fire to spread through the openings.