Fire Sprinkler Reservoirs

Underground Water Storage Tanks


Fiberglass Tanks
PolyethyleneTanks
Engineering Assistance

Fire Sprinkler Reservoir Mounted Inside an Underground Vault or Basement

Fire Sprinkler Reservoir Mounted Inside an Underground Vault or Basement
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Fire Sprinkler Pump Mounted Inside a Storage Tank with Pump House Above

Fire Sprinkler Pump Mounted Inside a Storage Tank with Pump House Above
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NFPA MemberFIRE SPRINKLER RESERVOIRS are holding tanks used to provide fire protection water for a sprinkler system that demands more water than the domestic water line serving the building can supply.

This is a common occurrence in older commercial areas where underground water lines are too small for modern fire flows. Similar conditions are encountered when a rural commercial building or school is being served by a domestic well with limited delivery volume. In cases such as these, water must be stored in a tank and be available in sufficient quantity to satisfy the fire sprinkler pump demand.

Underground water storage tanks remain ice free, rarely propagate algae or bacteria, and are far less likely to be the target of vandalism or graffiti. Underground water supplies have minimal "visual Impact" and therefore maintain the property values of nearby commercial and residential real estate.

When a small equipment building is unsatisfactory (See Illustration #2) from an architectural perspective, the pump can be installed below grade in a vault with zero visual impact after landscaping (See Illustration #1). Care must be taken to isolate the tank and piping from direct contact with the poured concrete floor. Either of the illustrated concept designs can be modified as necessary to fit the specific requirements of the job.

Always contact your Fire Chief and local Public Building Officials before moving ahead with a storage tank project involving fire sprinklers or hydrants. Improper tank size, location, or plumbing layout may reduce the effectiveness of the water supply, creating liability and occupancy issues.

Darco manufactures NFPA compliant direct bury fiberglass water tanks for fire sprinkler reservoirs and suction fire cisterns.


Project Showcase

Fire Sprinkler Reservoirs picture

Valley High Nursing Home (Illinois): Fire Sprinkler Reservoir to augment city water line supply / 30,000 gallons

Commercial Development (Missouri): Fire sprinkler water supply / 30,0000 gallons

St. Benefis Hearts Tower (Montana): Commercial fire sprinklers / 10,000 gallons

Millbrook High School (New York): Underground water holding tank for fire sprinklers / 30,000 gallons

Mast General Store (North Carolina): Commercial fire sprinklers / 40,000 gallons

Walgreens Drug Store (North Carolina): Commercial fire sprinklers / 40,000 gallons

Grace Baptist Church (Ohio): Direct bury water tank for the church fire sprinkler system / 20,000 gallons

Harrell Automatic Sprinkler Co. (Pennsylvania): Emergency water supply for small commercial building / 6,000 gallons

The Ranch Resort Complex (Wyoming): Water for overhead sprinklers / 20,000 gallons


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