East Palo Alto Municipal Code Art. VI Fire Hydrant Standards

Fire hydrants shall be set so that the centerline of the riser or barrel complies with the following:

A. When curbs are proposed, hydrants shall be located not less than eighteen (18) inches nor more than twenty-four (24) inches in back of the curb face.

B. When curbs with sidewalks adjacent are existing or proposed, hydrants shall be located eighteen (18) inches behind the sidewalk, but not less than eight inches within the road right-of-way.

C. When curbs with sidewalks adjacent to the property line are existing or proposed, hydrants shall be located not less than eighteen (18) inches nor more than twenty-four (24) inches in back of the curb face.

D. When no curbs or sidewalks are existing or proposed, hydrants shall be placed in such locations as are approved by the director of public works and the district fire marshal.

E. Single outlet hydrants shall be installed with outlets facing the curb and at right angles to the curb.

F. Double outlet hydrants shall be installed with the outlets facing the curb and at forty-five (45) degrees to the curbline.

G. In all cases where fire department connections are required, a fire hydrant as approved by the district fire marshal shall be installed within fifty (50) feet of the fire department connection.

(Prior code § 4-2.601)

The tops and caps of all fire hydrants shall be painted as follows:

A. Green for hydrants with a flow capacity of one thousand (1,000) gpm or more at twenty (20) psi residual pressure.

B. Orange for hydrants with a flow capacity of five hundred (500) gpm to nine hundred ninety-nine (999) gpm at twenty (20) psi residual pressure.

C. Red for hydrants with a flow capacity of less than five hundred (500) gpm at twenty (20) psi residual pressure.

(Prior code § 4-2.602)

A. Dry Type Fire Hydrants. All hydrants of the dry type shall conform to the American Water Works Association, Standard C-502, and shall be designated for a minimum working pressure of one hundred fifty (150) psi.

B. Wet Type Fire Hydrants. All fire hydrants of the wet type shall conform to American Water Works Association, Standard C-503, and shall be designed for a minimum working pressure of one hundred fifty (150) psi.

(Prior code § 4-2.603)

All fire hydrant outlets shall have National Standard Hose threads complete with bronze or plastic cap with chain attached.

(Prior code § 4-2.604)

All wet type fire hydrant heads with two two-and-one-half-inch by one four-and-one-half-inch outlet, one two-and-one-half-inch by one four-and-one-half-inch outlet or two two-and-one-half-inch outlets shall have a minimum six-inch screwed flanged inlet. Wet type fire hydrant outlets shall have individual valves for the control of each outlet. Fire hydrants cast in two parts shall have an "O" ring gasket that provides a positive seal at the joint of the stool and hydrant head.

(Prior code § 4-2.605)

Permanent barricades shall be installed where necessary to protect exposed fire hydrants as determined by the district fire marshal and approved by the director of public works. When curbs are installed they shall be painted red fifteen (15) feet in either direction from the hydrant.

(Prior code § 4-2.606)

Fire hydrants shall be designated as super, standard or wharfhead as follows:

A. All super fire hydrants shall have two two-and-one-half-inch outlets and one four-and-one-half-inch outlet. The dry barrel hydrant shall have a minimum five-inch valve opening.

B. All standard fire hydrants shall have one two-and-one-half-inch outlet and one four-and-one-half-inch outlet. The dry barrel hydrant shall have a minimum five-inch valve opening.

C. Wharfhead fire hydrants shall have either one two-and-one-half-inch outlet or one one-and-one-half-inch outlet as determined by the district fire marshal. Wharfhead fire hydrants with one two-and-one-half-inch outlet shall have a minimum three-inch valve opening.

(Prior code § 4-2.607)

Each fire hydrant shall stand plumb, set to the established grade, with the center use of the lowest outlet not less than eighteen (18) inches above the ground.

(Prior code § 4-2.608)

No water purveyor shall modify or replace or cause to be modified or replaced any water main the result of which will be to reduce the total number of fire hydrants attached to such water main or which will change the location of any existing fire hydrant without first obtaining approval from the district fire marshal.

(Prior code § 4-2.609)