Each hydrant shall conform to specifications adopted by the American Water Works Association and be Darling B-50-B hydrants or equal, subject to the City Engineer’s approval. They shall be five-inch hydrants with a six-inch mechanical joint base connection.
Each hydrant shall have the name of the manufacturer and the size cast upon it in raised letters.
The different parts of the hydrants to be furnished shall be interchangeable with the parts of existing hydrant of the same design and size now in use by the City.
Each hydrant shall have two, two and one-half inch hose nozzles and one four-inch steamer nozzle. The threads on all discharge nozzles shall be the same as those of hydrants now in use by the City.
The main valve shall open by turning to the left and shall open against the pressure. The valve shall be faced with the best oak-tanned leather which shall seat against an accurately machined bronze seat.
The top cap of the hydrant shall be provided with a waste or drip to prevent the cap from filling with water.
The hydrant shall be provided with automatically operated draining to permit drainage of the hydrant when the main valve is in closed position.
The head of the revolving nut or operating nut and nozzle cap nut shall be of the exact dimension of those now in use in the City.
The elbow, body or barrel, top cap and nozzle caps shall be made of cast iron.
Installation. The hydrants shall be installed plumb and true in the location shown on the drawing or as directed. The hydrant base shall be placed on a flat stone or brick support and the lower two to three feet of backfill shall be made with No. 3 stone to provide a porous pocket for drainage from the standpipe. A small concrete pier extending to solid earth shall be placed opposite the hub end to provide solid blocking and prevent blow off. The remainder of the backfill shall be thoroughly compacted so as to provide a firm support for the hydrant.
Gate Valves. All valves shall conform to the American Water Works Association specifications for water valves. They shall be of a construction equal to Darling Type Valves and shall have the name of the manufacturer and the size of the valve cast on the body or bonnet of the valve in raised letters.
All gate valves three inches and larger in size shall be of the iron body, bronze mounted type and except as noted otherwise shall have nonrising bronze stems. All gland bolts for iron body valves shall be of bronze and fitted with brass nuts.
All gate valves shall open by turning to the left, and shall be operated as required with nut, hand wheel, floor stand, wheel and chain or hydraulically as specified or as shown.
(Ord. 1961-3. Passed 7-31-61.)