§ 15.01.760. Fire hydrants.

A.

General requirements. Fire hydrants shall conform to AWWA C-502, "Fire Hydrants for Ordinary Water Works Service" and shall be designed for a working pressure of one hundred fifty psi. Hydrants shall be Mueller "Super Centurion 200" or Waterous "Pacer" or approved equal.

B.

Hydrant details. The hydrant shall be of the dry barrel design. All hydrants shall be so designed as to allow the flanges at sidewalk level to separate without material damage to the main barrel section when struck by a large object, such as a car. All hydrants shall have a minimum six-inch barrel and be furnished with two two-and-one-half-inch National Standard Thread Hose Nozzles and one four-and-one-half-inch National Standard Thread Pumper Nozzle. All nozzles shall be furnished with a cap and gasket with attaching chain.

The drip valve shall be located near the bottom of the hydrant. It shall be positive in operation and shall work directly from the main stem. It must be so designed that all water will drain away from the working parts when the hydrant is closed.

Hydrant cover must be designed so as to be weather proof as possible. Provisions must be made for oiling, both for lubrication and to prevent corrosion. A reasonably tight fit should be made around the stem. On the cover an arrow and the word "OPEN" shall be placed in raised characters to indicate direction to turn to open the hydrant.

The hydrant must be marked with the name or particular mark of the manufacturer. The size of the hydrant shall also be cast in the barrel. All lettering to be above the ground or sidewalk flange.

C.

Auxiliary valve. All hydrants shall be supplied complete with a flange by mechanical joint end auxiliary gate valve with armor guard gasket, and shall be installed at the water main as outlined on approved construction drawings unless otherwise approved by the city engineer. All buried auxiliary valves shall have two-inch operating nuts unless otherwise specified.

D.

Valve boxes. All buried auxiliary valves shall be installed complete with two piece, cast iron, slip type, five-and-one-fourth-inch valve box. All valve boxes shall be carefully inspected for proper fit between each section, ring and lid, and shall be set to the grade with a concrete collar as shown.

E.

Hydrant installation. All fire hydrants shall be installed with a one cubic yard gravel sump and concrete thrust blocking. As defined in Section 15.01.720. Concrete shall not be placed around joints, bolts or drain holes. Cover all metal contact areas with a poly wrap material prior to concrete placement. All hydrants shall be installed with the upper safety flange at least two inches and not more than six inches above ground level. All hydrants shall be installed with the steamer nozzle facing the street unless otherwise approved by the city engineer.

(Ord. No. 2007-07-31, §§ 9.6—9.6.5, 7-10-2007; Ord. No. 2010-11-24, § 2, 11-23-2010)