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Home»Society»Fire-based vestibule, classification and purpose

Fire-based vestibule, classification and purpose

14.03.2019
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The vestibule is a voluminous structure consisting of doors and ceilings and designed to localize the fire and obstacles to the penetration of combustion products outside the burning room. To increase the smoke and gas resistance, the firewall-sholus is mandatory equipped with a device of supply ventilation, creating excessive pressure (air support) year-round or in a fire.

A constant air of air is necessary for the vestibule-ghosts installed for separation of explosive and fire hazardous rooms of category A and B from adjacent rooms, stairs, elevator mines and corridors. The departure of premises with an explosive environment from the shaft mines is produced by two doors, according to the rules for installing electrical units, without taking into account the elevator doors, since they are connected to electrical contacts.

The air support in a fire is provided when installing vestibule-shippers on non-humble stairwells, as well as in basement rooms with fire loads for their insulation from the premises of the first floor.

There are certain technical requirements for vestibule-sholus as fire-fighting enclosing buildings: they should be made of fire-resistant materials, have a width that exceeds the width of the openings by at least 0.5 m (0.25 cm on each side), and a depth exceeding the width of the door leaf of at least 0.2 m. The designs of the fire-fighting vestibule-shulus necessarily include the presence of a drenroble curtain, and its interior space should be free from extraneous objects to ensure unhindered passage.

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