The total head of a fire pump is the energy imparted to the liquid as it passes through the pump usually expressed in psi.
Fire pump room size requirements.
For fire pumps such as horizontal split case and vertical in line centrifugal pumps that are required to operate under net positive suction head the total head of a fire pump is calculated by adding the suction head city pressure to the.
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.
Regardless of the floor space the room needs to not only be big enough but properly laid out to prevent messes like the above photo.
Because this bypass and associated valves can be of significant physical size this is yet another space planning consideration for the fire pump room.
Download fire pump room design details and requirements pdf notes.
Fire p ump p ressures.
All details and components of fire pump room according to nfpa 20.
In summary a fire pump is a critical life safety equipment item in a building.
Where provided fire pump rooms and automatic sprinkler system riser rooms shall be designed with adequate space for all equipment necessary for the installation as defined by the manufacturer with sufficient working space around the stationary equipment.