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r <br /> r <br /> B . Plug valves 6 inches or greater in diameter shall be equipped with <br /> gear actuators, which shall clearly indicate valve position and an <br /> r adjustable stop shall be provided . Construction of actuator <br /> housing shall be semi-steel . All gearing shall be enclosed , <br /> suitable for running in oil with seals provided on all shafts to <br /> r prevent entry of dirt and water into the actuator. All shaft bearings <br /> shall be furnished with permanently lubricated bearing bushings . <br /> r C . Three-way plug valves shall be non-lubricated gear operated . <br /> Valve bodies shall be semi-steel with 125-pound ANSI Standard <br /> flanges, and plugs shall be resilient faced . Three-way valves shall <br /> be 3-way, 3-port, 270-degree turn . <br /> r <br /> D. Plug valves and actuators shall be as per the Approved <br /> Manufacturer's Product List. <br /> 9. 05 AIR RELEASE VALVES <br /> A . The air release valves shall be installed as shown on the <br /> Drawings. Valves shall be provided with a vacuum check to <br /> prevent air from reentering the line . Aboveground air release <br /> valves for wastewater shall be per the Approved <br /> Manufacturer' s Product List . <br /> r B . The fittings shall be threaded . Selowground air release <br /> valves for wastewater shall be as on the Approved <br /> Manufacturer's Product List. Air release valves for water lines <br /> shall be as per the Approved Manufacturer's Product List . <br /> r <br /> 9.06 FIRE HYDRANTS <br /> Fire hydrants shall be traffic type, 5'/0" valve opening and <br /> manufactured per the Approved Manufacturer's Product List. Fire <br /> hydrants shall comply with the current AWWA Standard <br /> Specification C502-94 , or latest revision , for fire hydrants for water <br /> works service . Each hydrant shall have 6" mechanical joint ends <br /> with harnessing lugs ("dog ears" ) and shall open by turning to the <br /> left (counterclockwise) . Fire hydrant shall be of ample length for <br /> 18" clearance above centerline of roadway. It shall be provided <br /> r with two 2'/z" hose nozzles and one 4 /2 ' pumper nozzle , all having <br /> National Standard hose threads . Nozzles shall have caps attached <br /> by chains. Operating nuts shall be AWWA Standard ( pentagonal , <br /> r measuring 1 '/2" point to flat) . Fire hydrants shall be equipped with <br /> "O-Ring" packing . Fire hydrant shall be painted Federal Safety red . <br /> r <br /> r <br /> 9 - 3 <br /> r <br />