The Fire Chief is authorized to require the installation of fire protection water supplies 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. This document is not applicable for installations of public water mains and fire hydrants.
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.
The speed of water in the pipe in feet per second.
A hydrant with one 2 1/2 inch outlet.
The following list of hydrant minimum specifications shall be used.
Wharf Hydrants may not be used for installations under this Standard.
City/Town | Hydrant Type |
|---|---|
Campbell | Two 2-1/2" outlets and one 4" outlet |
Cupertino | Two 2-1/2" outlets and one 4" outlet |
Los Altos and Los Altos Hills (Commercial) | Two 2-1/2" outlets and one 4" outlet |
Los Altos and Los Altos Hills (Residential) | One 2-1/2" outlet and one 4" outlet |
Los Gatos | Two 2-1/2" outlets and one 4" outlet |
Monte Sereno | Two 2-1/2" outlets and one 4" outlet |
Morgan Hill | Two 2-1/2" outlets and one 4-1/2" outlet |
Saratoga | Two 2-1/2" outlets and one 4" outlet |
Unincorporated | Two 2-1/2" outlets and one 4" outlet |
Supply piping shall be of a minimum size of 6 inches for required flows up to 1000 GPM, and shall be 8 inches or greater for flows in excess of 1000 GPM. Contact the Fire Department for specific sizing requirements of mains and fire service connections.
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.
A Fire Department Inlet Connection shall be provided for all private hydrant system installations. The connection will be a minimum of a 4-way. 2-1/2 inch connection, with a minimum 6" riser placed at a location approved by the Fire Department.
Control valves shall be provided for hydrant installations. An indicating type control valve shall be provided between the main and the hydrants. It shall be placed at location(s) approved by the Fire Department.
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 (Detail of connection to public water main).
Size, type, and location of all piping: including the class 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.
Installation work shall only be done by individuals who are trained and licensed to perform such work. 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 and valves shall be inspected by the fire department prior to covering.
Hydrostatic, flow and water flushing tests may also be required prior to final acceptance of the installation.
All installations shall also conform to National Fire Protection Association NFPA 24: Installation of Private Fire Service Main and their Appurtenances.
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