The Fire Chief is authorized to require the installation of fire protection water supplies (tanks) and fire hydrants in accordance with the provisions of the Fire Code. The information contained within this document is to serve as a guideline for installation of such equipment.
The amount of water required for fire department use for fire suppression operations.
Any piping approved for use by the National Installation Standards or by the Fire Department.
A fire hydrant with one 4 inch outlet and two 2 1/2 inch outlets.
An outlet which allows direct connection to the tank for the removal of water by a fire hose.
The speed of water in the pipe in feet per second.
An engineered structure designed for the storage of water and no other purpose.
A hydrant with one 2 1/2 inch outlet.
Tanks Up to 10,000 Gallons:
One Standard Wharf Hydrant with one-2 1/2 inch outlet.
Tanks Greater than 10,000 gallons:
One standard hydrant shall be used with one 4-inch connection
and two 2 1/2 inch connections.
The hydrant make/model shall be subject to fire department approval.
Hydrant placement shall be subject to Fire Department approval.
Wharf hydrants: Supply piping shall be of a minimum size of 4 inches. Height of risers for Wharf Hydrants shall be a minimum of 24 inches and a maximum of 48 inches. Riser minimum pipe diameter shall be 4 inches. All supply piping shall be buried except for Wharf Hydrant riser piping.
Supply piping shall be of a minimum size of 6 inches.
Riser and riser elbow shall be steel. Buried horizontal piping runs may be of an approved plastic pipe.
Concrete thrust blocks sized in accordance with national standards shall be provided at all changes in pipe direction.
Hydrants are to be placed at locations approved by the Fire Department.
National Standard Thread
A 3-foot clear space shall be maintained around the circumference of fire hydrants.
Tanks are to be placed at locations approved by the Fire Department. Tanks shall be located to allow gravity flow of water from the tank to the hydrant. Underground tank(s) that require drafting of water will not be allowed.
Interconnection of tanks shall be accomplished by a minimum pipe size of 4 inches for storage capacity of up to 10,000 gallons maximum and six inches for storage capacity over 10,000 gallons. Piping for tank interconnections shall be steel pipe unless buried. Buried horizontal piping runs may be of an approved plastic pipe.
Tank outlets may not be used in place of required wharf hydrant(s) or standard hydrant(s). Tank outlets may only be used when other installations are not practical due to conditions acceptable to the Fire Chief.
Control valves shall be provided for installations. Valves shall be of the indicating type. The following control valves shall be provided:
Hydrant supply piping control valve. This valve located between the tanks and the hydrant shall be placed at location(s) approved by the Fire Department.
Tank Interconnection Control valves for isolation of tanks.
Water Source Control Valves shall be provided to isolate tanks from water fill sources.
Plans shall be submitted to the Fire Department for review. The plan shall be drawn to scale and contain the following information:
Size, location and type of all water supplies (Tanks).
A complete description and diagram of all water sources. Examples would include but are not limited to import lines, tanks, wells, or trucked-in water.
Size, type, and location of all piping: including the class and type and depth of cover.
Size, type and location of all control valves.
Size, type and location of all hydrants.
Manufacturers Specification sheets for all equipment including hydrants, tanks and valves.
Size, location and type of thrust blocks or anchor points.
Hydraulic calculations may be required to verify required fire flow at hydrants prior to installation. If required by the Fire Department hydraulic calculations shall be part of the plans submittal. Maximum Velocity Factor shall be 15 feet per second for hydraulic calculations.
Permits are required, contact the Fire Prevention Secretary for details regarding permits, applications, and fees.
Contractors are also reminded to contact the Local Building Department having jurisdiction to inquire if additional permits are required for Tank Installations.
Installation work shall be done by fully experienced and responsible persons. Poor workmanship will not be accepted for approval.
All materials shall be new or in good physical condition. The Fire Department reserves the right to disapprove the use of any used materials.
All underground piping shall be inspected by the fire department prior to covering.
Flow and water flushing tests may also be required prior to final acceptance of the installation.
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