Fire Sprinkler Tank Sizing

Always contact your fire chief and local public building officials before moving ahead with a storage tank project involving fire sprinklers or hydrants.

Fire sprinkler tank sizing. Pumps must maintain a positive suction pressure at the suction flange. This standard provides the minimum requirements for the design construction installation and maintenance of tanks and accessory equipment that supply. Improper tank size location or plumbing layout may reduce the effectiveness of the water supply creating liability and possible occupancy issues. Water levels are critical for fire sprinkler systems.

The average fire sprinkler system requires seven pounds per square inch psi of water pressure to operate effectively. Tanks must be sized to provide enough water to control or suppress a fire in the building and water levels must be checked and maintained. Electrical feeds to fire pump controllers must have a two hour fire rating. Sprinkler calculation step by step.

Underground fiberglass fire protection tanks are kept out of visible sight consume less property and provide more security from external factors. Fire pumps can t be used as pressure maintenance pumps. Fire sprinkler guide to fire sprinklers in the international building code 2015 edition. The fire department drafting connections are made through bulkhead fittings in the tank wall and then buried underground until they exit at the desired drafting location.

If a residential home water system doesn t meet the psi needs of the fire sprinkler system called fire flow a water storage solution may be needed to obtain a building permit. Horizontal elbows or tees upstream of a fire pump must be 10 pipe diameters from the suction flange on a split case fire pump.