Staircase Pressurization Grille
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Staircase pressurization grille. Chapter 7 mechanical ventilation and smoke control systems 711 general a where air conditioning system is provided in lieu of mechanical ventilation system during emergency all the requirements specified in this code for the mechanical ventilation system shall apply to the air conditioning system. Stairwell pressurisation and purging systems. Pressurisation systems in stairwells for stairwells in taller shopping malls keeping escape and rescue routes free from smoke is an essential requirement for maintaining viable evacuation and firefighting options even over longer periods of time. The pressurized air helps people escape the fire and firefighters battle the fire.
The smoke detector shall be located at the entrance of each exit staircase at every storey including the non residential floors. F 9092 ifc 9092 general design requirements. In case of fire in a high rise building a stair pressurization fan spf uses clean outside air to pressurize the air in stairwells. Supply air where air is injected into the area that is to be protected pressure relief to avoid overpressure when doors are closed and air release air and smoke is released from the adjoining fire area.
Colt founder i j ohea obe 1897 1984 2009 group turnover 170 million manufactures in the uk holland saudi arabia china and singapore private company founded in 1931 a brief history of colt. Buildings structures or parts thereof required by this code to have a smoke control system or systems or a stair pressurization system shall have such systems designed in accordance with the applicable requirements of section 909 and the generally accepted and well established. Hypergear tiffpdf convert library created date. A pressurisation system consists of three main components.
Where pg ii building is provided with a mechanical ventilation system or pressurisation system for its staircase storey shelter an automatic smoke detection system complying with ss cp 10 shall be installed.