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Buildings in this category have a high content of combustibility and quantity, so if a fire started here it would likely rapidly develop and have an enhanced heat release rate. Some examples of moderate hazard buildings include dairy barns, cold storage warehouses, manufacturing and clothing plants, amusement occupancies such as an arcade, farm equipment sheds, machine shops, some restaurant commercial kitchens, unoccupied buildings, and certain machine shops.īuildings in this category are viewed as High Hazard occupancies. Any fire that began in one of these environments would most likely develop fast and have a moderately enhanced rate of heat release.
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Here, combustibility and quantity of contents are moderate. Some businesses and environments that constitute an ordinary hazard are malls, light manufacturing or research operations, parking garages, workshops, automobile showrooms, electronics plants, laundries, restaurant service areas, drink manufacturing, or maintenance/service areas.īuildings in this category are seen as Moderate hazard locations. You can expect fires to grow with moderate heat release rates in these environments. These hazard areas are environments where the combustibility and quantity of Class B flammables and Class A combustible materials are moderate. Any fire that develops here would increase at a moderate rate and have moderate heat release rates.Įxamples of buildings in this category include armories, bakeries, beauty salons, barber shops, doctors’ offices, canneries, wineries, foundries, breweries, office buildings, and municipal buildings. These are locations where combustibility and the quantity of Class A combustibles and Class B flammables are low. Some of the light hazard areas may consist of hospitals, educational institutions, meeting rooms, libraries (aside from massive stack rooms), nursing homes, residential areas, auditoriums and theatres (aside from prosceniums and stages), seating areas in restaurants, offices, and data processing. In these environments, possible fires have a relatively minimal rate of heat release. Class A combustibles include paper, refuse, and fabrics among others, while Class B flammables include flammable liquids. These are locations where combustible products and the quantity of Class A combustibles and Class B flammables are incredibly unlikely. Please note that these examples are only examples each building will vary slightly in what is stored and used there, so only a fire safety consultant can say for sure what your business’s classification would be. Read on to learn more about each of these classifications below. The classifications are dependent on the building’s occupancy and use, and they include light hazard, low hazard, ordinary hazard, moderate hazard, high hazard, and severe hazard. The traits will determine the number of sprinklers, the specification of water supply, and the number of fire pumps, among other things such as placement This will aid in determining the traits of the fire sprinkler installation. The fire sprinkler hazard classification used in designing a sprinkler system has to be determined before the design work starts. Fire sprinklers fall into a range of hazard categories or class.