(a) Specifications.
(1) Fire hydrants shall meet the requirements of AWWA Standard C 502 and this chapter.
(2) Hydrants shall open left (counterclockwise) and shall have compression-type shut-off, either with or against pressure. Unless otherwise specified, each hydrant shall have a main valve opening of five inches, with a side inlet for a six-inch water main.
(3) Bury length shall be at least five feet and shall be two sections with break-off flange or joint.
(4) The stem or valve rod shall be made in one continuous section, between the valve and the operating nut, except the breaking coupling which shall be located at the proper point to conform to the breaking flange in the barrel.
(5) Stem seals shall be of the "O" ring type.
(6) The design must ensure that the upper and lower sections of the hydrant will break apart cleanly when struck by a smashing blow, without bending the stem sections and without damage to the working parts of the hydrant, or the abutting parts of the barrel sections, and that when the valve is open, the only obstruction, within the valve opening, will be the stem itself.
(7) There shall be two hose nozzles and one pumper nozzle on each hydrant.
(8) The hose nozzles shall be two and one-half inches with National Standard fire hose coupling screw threads.
(9) The pumper nozzle shall be four inches and have National Standard threads.
(10) Nozzle caps shall have rubber gaskets and no chains.
(11) Operating and nozzle cap nuts shall be pentagonal, measuring fifteen-sixteenths of an inch on the outer end to thirty-one thirty-seconds of an inch on the inner end.
(12) Before leaving the factory, each hydrant shall be given two coats of special red hydrant enamel, above ground line, and the nozzle caps and top cover or bonnet shall be given two coats of special white hydrant enamel.
(13) Hydrants are to be Kennedy or Mueller, or such other type as approved by the Director of Public Service.
(b) Installation.
(1) Hydrants shall be installed at locations shown on the plans.
2024 Replacement
(2) At no times shall the spacing of hydrants in residential areas exceed 500 feet.
(3) Hydrants shall be made of the proper length to suit the depth of cover over the water main at the location shown on the plans.
(4) The pit or trench for a hydrant shall be so excavated that when it is installed, the base shall rest on undisturbed soil and the hydrant shall be plumb.
(5) Unless otherwise shown or ordered, hydrants shall be set a minimum of two feet back of the curb and the nozzles approximately eighteen inches above the finish grade line.
(6) The break-off flange or joint shall be set at least two inches, and not more than four inches, above the finish grade line.
(7) After the hydrants are installed and the joints made, approved blocking shall be placed between the base of the hydrant and the undisturbed soil at the end or side of the pit or trench to prevent any movement of the hydrant.
(8) Approved anchor devices may be used in place of such blocking.
(9) After installation is completed, only authorized Municipal employees shall be allowed to operate or use a hydrant.
(c) Backfilling.
(1) Gravel sized from one-half inch to one inch shall be used to backfill the bottom three feet of the excavation.
(2) Straw or tar paper shall be placed on top of the gravel and earth backfill shall be used to complete the fill of the excavation.
(d) Service Lines. Unless otherwise approved by the Director of Public Service, no person except an employee of the Department of Public Service shall be permitted to tap or make a connection with the mains or distribution lines.
(Ord. 2022-15. Passed 5-16-22.)