what are the different types of fire sprinkler systems?
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['Wet pipe systems. Wet pipe systems are definitely the most commonly used fire sprinkler systems. ... ', 'Dry pipe systems. These are the second most popular fire sprinkler system type. ... ', 'Deluge systems. ... ', 'Pre-action systems. ... ', 'Foam water sprinkler systems. ... ', 'Water spray systems. ... ', 'Water mist systems.']
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There are 5 main fire extinguisher types – Water, Foam, Dry Powder, CO2 and Wet Chemical.
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As a general rule, all Group R occupancies in New York City must be equipped with an automatic sprinkler system. The system must cover all fire areas in the building, and the requirement applies for any mixed occupancies where Group R predominates.
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Sprinklers can be omitted from several exterior spaces as well. Canopies, balconies, decks, roofs, and porte cocheres that are constructed of noncombustible materials, limited combustible materials, or fire-retardant-treated wood need not have sprinkler protection.
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In buildings equipped with automatic fire sprinklers, the storage must be kept at least 18 inches below the ceiling or the spray pattern issued from the sprinklers will be blocked by the storage, thus keeping water from reaching the fire.
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A recent development in the types of fire extinguishers is water mist. Also red with white labelling, this type of fire extinguisher looks similar to water extinguishers but has some different uses. In addition to class A, water mist can also be used for class F (cooking fats and oils) fires.
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The eight categories of fire alarm systems include: Category M – Manual fire alarm system. Category L1 – Maximum life protection automated fire alarm system. Category L2 – Additional life protection automated fire alarm system.
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There is no statewide adoption for home fire sprinkler requirements, but local jurisdictions are permitted to require fire sprinklers. There is also a requirement for high-rise (75 feet in height) condominiums to be retrofitted with fire sprinkler systems by December 2019.
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Upright sprinklers are installed with deflectors above the sprinkler, while pendent sprinklers have deflectors below the sprinklers. Common industry practice is to use upright sprinklers in areas without finished ceilings and pendent sprinklers in areas with finished ceilings.
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Fires can be classified in five different ways depending on the agent that fuels them: Class A, Class B, Class C, Class D, and Class K. Each type of fire involves different flammable materials and requires a special approach.
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In a nutshell, NFPA 25: Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems says that objects that can block a sprinkler's spray must be at least 18 inches away from the deflector.
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['WATER. Water fire extinguishers have a class A rating and are suitable for fighting fires involving solid combustibles such as wood, paper and textiles. ... ', 'AFFF FOAM. ... ', 'CARBON DIOXIDE (CO2) ... ', 'ABC POWDER. ... ', 'WATER MIST. ... ', 'WET CHEMICAL.']
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The biggest difference between a quick response and a standard response sprinkler head is the temperature at which the sprinkler head activates. Quick response sprinkler heads activate at slightly lower temperatures than standard response head, suppressing the spread of fire more quickly.
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Fires can be classified in five different ways depending on the agent that fuels them: Class A, Class B, Class C, Class D, and Class K. Each type of fire involves different flammable materials and requires a special approach. In fact, trying to fight a blaze with the wrong method might make the situation worse.
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['Conventional Fire Alarms. Conventional fire alarms include a number of different “zones” that are hardwired to your central control panel. ... ', 'Addressable Fire Alarms. ... ', 'Hybrid Fire Alarms.']
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Water is only suitable for Class A fires, as they can do more harm than good on other classes of fires. For example, in a Class B fire involving flammable liquids, the water will simply spread the burning liquid over a larger area rather than extinguish it.
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Types. There are several types of hose designed specifically for the fire service. Those designed to operate under positive pressure are called discharge hoses; they include: attack hose, supply hose, relay hose, forestry hose, and booster hose.