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number, or approved equal as accepted by irrigation designer. <br />F. Quick Coupling Valves: <br />a. Valves: <br />i. The quick coupling valve shall be a one-piece type, constructed of heavy cast <br />brass. <br />ii. The cover shall be a durable, protective self-closing rubber cover. <br />iii. The quick coupler valve shall be a Hunter HQ-44RC 1” Quick Coupling Valve; <br />Rainbird 5-RC 1” Quick Coupling Valve. Reference design for actual part <br />number, or approved equal as accepted by irrigation designer. <br />b. Keys: <br />i. The valve shall be opened and closed by a single lug brass key with a <br />detachable handle of the same manufacturer having a 3/4" inch MNPT. <br />ii. The quick coupler key shall be a Hunter KH-44; Rainbird 55-K <br />iii. Provide a minimum of two keys per system. <br />c. Swivel Hose Ell: <br />i. The swivel hose ell shall be of heavy bronze construction, connected to the key <br />for hose connections. <br />ii. The swivel hose ells shall be 1-inch FIPT x 3/4-inch Male Hose Threads. <br />iii. The hose swivel shall be as manufactured by the Toro; Hunter; Rainbird. <br />iv. Provide a minimum of two swivels per system. <br />G. Control Wire & Grounding: <br />a. Control wiring for a conventional controller shall be 24 volt solid wire U.L. approved for <br />direct burial. <br />i. Control wiring for a two-wire decoder controller shall be a polyethylene double <br />jacketed two-conductor solid core designed for direct burial with insulation 3/16 <br />inch think, high density, sunlight resistant incased in an outer jacket of <br />polyethylene. <br />ii. All wire splices shall be made with 3M DBR or DBY direct bury splice kits. <br />H. Backflow Prevention Device: <br />a. The backflow prevention device shall be as specified in this section unless local codes <br />allow for a double check valve assembly. The backflow prevention device shall: <br />i. Be a reduced pressure principle type suitable for supply pressure up to 175 psi <br />and water temperatures up to 180qF. <br />ii. Have a bronze body construction. It shall utilize silicon rubber for drip tight disc <br />material in the first and second check valves plus the relief valve. <br />iii. Be constructed with NPT body connections and have ball type test cocks. <br />iv. Have quarter run, full port, resilient seated bronze ball valve shut-offs. <br />v. Consist of a pressure differential relief valve located in a zone between two <br />positive seating check valves. <br />vi. Have all access ports covers secured with stainless steel screws which are <br />bolted to the valve body. <br />vii. Have suitable connections for an air gap. <br />viii. Meet all the requirements of ASSE Standard 1013; AWWA Standard C506, <br />FCCCHR USC Manual, Section 10. <br />ix. Only RPZ/DCV devices approved by the applicable Health Department will be <br />acceptable. Plans and installation must conform to the applicable Water <br />Authority's Cross Connection Control Booklet. <br />I. Rainfall Sensor: <br />a. Provide a rainfall sensor to shut the system off during substantial rainfall. The rainfall <br />sensor shall be a SLW5 Weaterstation or approved equal as accepted by irrigation <br />designer.