Warehouse buildings with high-rise rack storage of category
Posted: Sun Feb 09, 2025 8:52 am
Table 1 establishes standards for categories of buildings and fire compartments for the provided combinations of the fire resistance degree and fire hazard class of the building. For other combinations not provided for in this table, the floor area and building height are taken according to the worst of these indicators for a given building category or are agreed upon in accordance with the procedure established by SNiP 21-01.
6.2 Multi-storey warehouse buildings of categories B and C should be designed with a width of no more than 60 m.
6.3 The area of the first floor of a multi-story building may be taken according to the standards for a single-story building if the ceiling above the first floor is a fire-resistant type 1.
6.4 Category B1-B3 storage facilities of industrial buildings should be separated from other premises by type 1 fire partitions and type 3 ceilings; when storing these vietnam mobile database on high-rise racks, by type 1 fire walls and type 1 ceilings. In this case, finished product storage facilities of categories B1-B3, located in industrial buildings, should generally be located near external walls.
6.5 B should be designed as single-story buildings of I-IV fire resistance classes of class C0 with skylights or exhaust shafts on the roof for smoke removal.
Racks should have horizontal screens made of non-combustible materials with a height step of no more than 4 m.
The screens should cover the entire horizontal section of the rack, including gaps between paired racks, and should not interfere with loading and unloading operations. Screens and bottoms of containers and pallets should have openings with a diameter of 10 mm, evenly spaced, with a square side of 150 mm.
The racks should have transverse passages with a height of at least 2 m and a width of at least 1.5 m every 40 m. Passages within the racks must be separated from the rack structures by fire partitions. Doorways should be provided in the external walls in places where transverse passages are arranged in the racks.
Smoke exhaust shafts (hatches) should be located above the passages between the racks.
Tubular supporting structures of racks can be used for transporting fire extinguishing agents, provided that the strength, throughput capacity and tightness of these structures are ensured.
6.2 Multi-storey warehouse buildings of categories B and C should be designed with a width of no more than 60 m.
6.3 The area of the first floor of a multi-story building may be taken according to the standards for a single-story building if the ceiling above the first floor is a fire-resistant type 1.
6.4 Category B1-B3 storage facilities of industrial buildings should be separated from other premises by type 1 fire partitions and type 3 ceilings; when storing these vietnam mobile database on high-rise racks, by type 1 fire walls and type 1 ceilings. In this case, finished product storage facilities of categories B1-B3, located in industrial buildings, should generally be located near external walls.
6.5 B should be designed as single-story buildings of I-IV fire resistance classes of class C0 with skylights or exhaust shafts on the roof for smoke removal.
Racks should have horizontal screens made of non-combustible materials with a height step of no more than 4 m.
The screens should cover the entire horizontal section of the rack, including gaps between paired racks, and should not interfere with loading and unloading operations. Screens and bottoms of containers and pallets should have openings with a diameter of 10 mm, evenly spaced, with a square side of 150 mm.
The racks should have transverse passages with a height of at least 2 m and a width of at least 1.5 m every 40 m. Passages within the racks must be separated from the rack structures by fire partitions. Doorways should be provided in the external walls in places where transverse passages are arranged in the racks.
Smoke exhaust shafts (hatches) should be located above the passages between the racks.
Tubular supporting structures of racks can be used for transporting fire extinguishing agents, provided that the strength, throughput capacity and tightness of these structures are ensured.