A. All design and construction of facilities for the transmission, distribution, supply, storage and treatment of water shall conform to Arizona department of health services, bureau of water quality control, bulletin 10 standard specifications, American Water Works Association (AWWA) specifications and the fire code.
B. All pipe shall be ductile iron or PVC approved by the UPC or other listed approved products and the water superintendent, inspected and tested to conform to the requirements of the American Water Works Association. The factor test and class shall appear on all pipe and couplings. Pipe shall be supported and installed as recommended by the manufacturer and as approved by the water superintendent.
C. Couplings shall be "ring-tite" or "fluid-tite", or equal, UPC or other listed approved products, as furnished by the pipe manufacturer. Rubber ring gaskets shall be in accordance with ASTM D-1869, latest revision.
D. Fittings shall be cast iron, UPC or other listed approved products, and shall conform to ASA specification A-21-10, latest revision, for two hundred fifty (250) psi working pressure plus water hammer, or equal, and shall have C1.250 cast into each fitting.
E. Fittings shall have "ring-tite" or "fluid-tite" bells for class 150 ductile iron pipe.
F. All fittings shall be cement lined, in accordance with ASA specification A-21-4, except that the lining shall be one-half inch (1/2") thickness specified.
G. All valves shall conform to AWWA tentative standard specification for gate valves for ordinary waterworks service. Valves shall be double disk iron body, resilient seat type with nonrising stem. Valves shall have "ring-tite" or "fluid-tite" bells for class 150 ductile iron pipe.
H. Valve boxes shall be of standard, adjustable, heavy pattern, cast iron extension type roadway boxes. Boxes shall be installed so that no load can be transmitted from the valve box to the valve. All valves shall have valve boxes installed.
I. All dead ends shall be plugged or capped and fitted with blow offs.
J. Blocking for water valves and thrust blocks for water lines shall be in accordance with the pipe manufacturer's recommendations and approved by the water superintendent.
K. Fire hydrants shall be Waterous WB-67 DDP or Mueller A-423, yellow in color.
L. Disinfection of the water lines shall be in accordance with the recommendation of the Arizona state department of health services, bureau of water quality control, and MAG standard specification 611.
M. Tracing wire, 16-gauge minimum, shall be buried with all mains and services.
N. All services shall be iron pipe size pack-joint polyethylene.
O. Service saddles shall be malleable iron or bronze, single or double strap.
P. All services shall have corporation stops and lock wing angle or ball valves.
Q. All service boxes shall have steel lids with minimum of eighteen inch (18") bury for services at the box. Service fittings shall be set twenty inches (20") below maximum anticipated finished grade.
R. All DIP and PVC pipe must conform to AWWA standards.
S. All specifications shall be subject to the interpretation of the water superintendent. All materials must be inspected by the water superintendent, and written approval of their acceptance must be given before their installation. All facilities are subject to the approval and acceptance of the water superintendent to ensure compatibility with existing facilities.
T. The town shall charge a supervision and inspection fee of 2.5 percent of the total award of the water system facilities construction contract and of all other costs necessary to distribute water within a subdivision.
U. Subdivider shall provide certification of the entire water transmission, distribution, supply, storage and treatment of water.
V. The town shall determine whether the general contractor and the contract for purchasing, installing and constructing of any of the water system facilities are acceptable. If the town determines that the prices on any or all phases of construction are excessive, the town reserves the right to construct the facilities itself at a lesser cost or to employ a contractor or the labor necessary to build the system at a cost less than that of the contract previously determined to be excessively high.
W. If the town determines that the cost of construction on any or all of the above facilities is justified but excessive relative to the efficient utilization of the facilities, the town may substitute the use of a fee, nonrefundable, to be charged to the developer. These monies, to be specified by the town, shall be used by the town for the improvement of the municipal water system.
X. All storage and pumping facilities shall conform to Arizona department of health services, bureau of water quality control, bulletin 10 specifications, American Water Works Association specifications and the fire code.
Y. Whenever any requirements of any of the noted specification standards conflict, the more stringent standard shall prevail. (Ord. O 12-01, 2-7-2012)