(A) General. The valve type, size rating, flow direction arrow if applicable, and manufacturer shall be clearly marked on each unit. Valves shall open left (counterclockwise) with an arrow cast in the metal of operation handwheels and nuts indicating the direction of opening.
(1) Valves for underground service. Valves shall be iron body, bronze mounted, conforming to AWWA C500, double disc (water), non-rising stem type, and shall be equipped with two-inch square cast iron wrench nuts.
(2) Valves for above-ground service. Valves shall be iron body, bronze mounted gate valves, conforming to AWWA C-500, double disc (water) with the exception that valves shall be outside screw and yoke (OS&Y) rising stem type. Valves shall have cast iron hand wheels or chain operators with galvanized steel chains, as required.
(B) Check valves. Valves shall be iron body, bronze mounted stainless steel hinge pin, outside lever and springs operated, swing type, and equipped with removable inspection covers. Units shall be rated for 150 psi minimum working pressure and shall permit full flow area equal to that of the connection pipe.
(C) Valve boxes. Units shall be adjustable, cast iron, minimum interior diameter of five inches, with covers cast with the applicable inscription in legible lettering on the top; "WATER". Boxes shall be suitable for the applicable surface loading and valve size. Valve boxes not in the pavement shall have around their tops concrete pads, which will be flush with the finished grade at valve site (top of the curb or above if necessary) with minimum dimensions of 18 by 18 by 3 inches.
(Ord. 348, passed 12-3-87) Penalty, see § 77