2.6. House, fire compartments, halls
2.6.1. Houses or parts of houses are separated by walls separate fire type 1 (called combustion chamber) are classified by the fire resistance, according to the structural fire danger levels and in groups according to their fire hazard.
- level of fire resistance and fire compartments limits are determined by fire resistance of structures to its construction;
- fire danger level and structure of the fire chamber is determined by the level of participation of structures built fire up the development and formation of the elements of fire hazard;
- fire hazard according to Group's performance and parts of the house is determined by the purpose of use and characteristics of the technological process arranged inside it;
2.6.2. House and fire compartments separated by level of fire resistance as shown in Table 4.
The load-bearing parts of the walls and columns includes the bearing, tie bars, hard walls, floor parts (beams, beams or slabs ) involved in ensuring overall stability and the shape does not change when there is a fire.
the load-bearing structures not involved in ensuring overall stability for the unit must be designed instructions in the technical documentation of the house.
Do not resist fire regulations for sealing vent parts (doors, gates, windows, hatches, skylight, including top doors and parts for light More light through the roofs), except for the door, fire valves in fire department and the particular circumstances.
When refractory minimum limit of components is required is R-15 (RE 15 , REI 15), it allows the use of non-coated steel structures of protection that is not dependent on the actual limit its fire resistance, except in limited cases when fire resistance of load-bearing parts of the under smaller experimental results R 8.
In the smoke chamber stairs uninfected allowed N1 type using the ladders and stairs with limited projection R-15 fire resistance and fire danger level of K0.
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