Minimum Fire Pump Room Size

The last job parameter you need in order to size the fire pump is the required flow for the systems the pump will be serving sprinklers standpipes or other. This bypass is to be as least as large as the required fire pump discharge pipe. Such rooms shall be of a size that will allow a minimum of 36 inch clearance around all portions of the fire pump assembly and in front of the fire alarm panel s.

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Riser assembly shall have a minimum of 36 inches of clearance around the pipe.

Minimum fire pump room size.

Los angeles fire code 9 fire protection systems 913 fire pumps 913 2 protection against interruption of service 913 2 1 protection of fire pump rooms 403 3 4 special detailed requirements based on use and occupancy fire pump room. Minimum clearances in accordance with nfpa 70 must be maintained around energized electrical equipment. Into the fire equipment room. The minimum size of the equipment room shall allow adequate firefighter access and mobility with the following minimum clearance requirements.

The fire equipment room shall be used for fire protection equipment and controls only. Because this bypass and associated valves can be of significant physical size this is yet another space planning consideration for the fire pump room. Nfpa 20 standard for the installation of stationary pumps for fire protection requires that the fire pump driver controller water supply and power supply shall be protected against possible interruption of service through damage caused by explosion fire flood earthquake rodents insects windstorm freezing vandalism and other adverse conditions. And every pump room must have a low pump room temperature alarm.

In summary a fire pump is a critical life safety equipment item in a building. For standpipe systems this flow is related to the type and size of the structure the pump is protecting. Nfpa 20 4 3 2 system designer it takes one of those to prevent. Fire pump room layout disasters more examples of access problems and service like replacing drivers mounted in the rear.

An approach clearance of at least 3 feet should be maintained in front of the fire pump and related equipment. The fire pump room is intended solely for fire protection equipment and is not to be shared by other mechanical trades. Many local regulations offer more specific measurements such as these typical fire pump and riser room clearance amendments to the ifc from lynnwood wa s 2019 municipal code.