The following specifications are for
, a dependent utility for the
. Refer to the City of Sunrise for water and
specifications in
.
127.50(A) General.
127.50(A)(1) The contractor shall notify the
and the
no later than 48 hours prior to making connections to existing systems. A
representative and the
of Record shall be present.
127.50(A)(2) No connections to the existing lines shall be permitted until pressure tests, for the water mains, and bacteriological tests have been performed and the system is acceptable to the
and the line has received bacteriological clearance by the BCHD.
127.50(A)(3) Cleaning of newly installed piping systems shall be accomplished using flushing methods. Open flushing shall not be allowed without prior approval of the
. All water will be metered for testing purposes.
127.50(A)(4) All water mains shall cross above
and drainage lines with adequate cover and separation. If crossing above is not possible, it shall be indicated on the plans with required separation.
127.50(A)(5) A three-foot horizontal separation shall be maintained between water lines and all existing and proposed obstructions (i.e. catch basins, concrete poles, etc.).
127.50(B) Materials.
127.50(B)(1) Pipe. The water main may be PVC or D.I.P. when less than ten inches in diameter and shall be designed for a minimum working pressure of 150 PSI. Water mains ten inches or larger shall be D.I.P.
127.50(B)(1)(a) PVC pipe shall be ASTM 1120 pressure pipe with iron O.D., Class 150 (DR 18), conforming to ANSI/AWWA C900 (latest revision) or C905 (latest revision) and shall have push-on rubber gasket joints.
127.50(B)(1)(b) D.I.P. shall be Class 350 wall thickness (up to 12 inches), Class 300 (14 to18 inches), Class 250 (20 inches or greater) with interior cement lining conforming to ANSI/AWWA C151/A21.51-91, or latest revision. The pipe shall withstand a working pressure of 350 PSI. The joints shall be bell and spigot push-on type or mechanical joint. Pipe shall conform with the physical and chemical requirements as set forth in the Handbook of Ductile Iron Pipe of the Cast Iron Pipe Research
and shall be restrained appropriately.
127.50(B)(2) Fittings. Fittings shall be ductile iron compact mechanical joint type providing restraint and shall be Class 350 through 24 inches conforming to ANSI/AWWA C153/A21.53 (latest revision), and Class 250 in sizes 24 inches and larger, conforming to ANSI/AWWA C110/A21.10 (latest revision), complete with glands, gaskets, bolts and nuts. All fittings shall be cement lined and seal coated with the same as pipe.
127.50(B)(3) Water Valves.
127.50(B)(3)(a) Valves shall be gate valves (12 inches or less), or butterfly valves (greater than 12 inches).
127.50(B)(3)(a)1. Gate valves shall be iron body, fully resilient seat, bronze mounted non-rising stem, double disc, rated at 200 PSI and conforming to ANSI/AWWA C509-94 (latest revision). Exposed valves shall be outside screw and yoke type. Gate valves shall be Mueller, Clow, American Darling, or approved equal.
127.50(B)(3)(a)2. Butterfly valves and operators shall conform to ANSI/AWWA C504 (latest revision) standard for rubber-seated butterfly valves. Valves shall be Class 150 A or B and shall be Mueller, Pratt, Clow, DeZurik, or approved equal.
127.50(B)(3)(b) Air Release Valves.
127.50(B)(3)(b)1. Water Main Air Release Valves - Valve body and cover shall be of cast iron construction, ASTM A126-A. All internal parts shall be of stainless steel, ASTM A240 - Type 304 for the float and ASTM A296 - Type 316 for the linkage. The venting orifice shall be 3/16 inches in diameter with brass seat. The inlet opening shall be a two-inch NPT screwed connection. The overall height shall not exceed 13 inches. Valves shall be manufactured by Valve and Primer Corporation, model number APCO 200A, or approved equal.
127.50(B)(3)(b)2. Main valves shall be located on an extension of the
unless dimensioned otherwise.
127.50(B)(3)(b)3. Main valves shall be installed away from parking areas. If this is unavoidable, proper measures shall be taken to avoid the parking of vehicles over the valves. Hydrant valves shall be installed as close to the main as possible.
127.50(B)(3)(b)4. The distance from the top of the valve actuator nut to final grade shall be a minimum of 12 inches and a maximum of 18 inches.
127.50(B)(3)(b)5. One blue reflective pavement marker shall be provided in the center of the nearest lanes of road pavement adjacent to valve.
127.50(B)(4)
.
127.50(B)(4)(a) Service saddles shall be Ductile Iron epoxy or nylon coated with double stainless steel straps or single wide strap. Saddles shall conform to ANSI/AWWA C111/21.11 and ASTM A 588 (latest revision).
127.50(B)(4)(b) Service lines shall be polyethylene tubing as described in ANSI/AWWA C901, or latest revision with a working pressure of 200 PSI (DR 9). Pipe joints shall be of the compression type totally confined grip seal and coupling nut. Polyethylene shall be extruded from PE 3408 high molecular weight materials and shall conform to ASTM D2737.
127.50(B)(4)(c) Corporation stops shall be manufactured of brass alloy in accordance with ASTM B62 with threaded ends and shall be Ford or approved equal.
127.50(B)(4)(d) Meter stops shall be the 90-degree lockwing type and shall be of bronze construction in accordance with ASTM B62. Meter stops shall be closed button design and resilient “O” ring sealed against external leakage at the top. Stops shall be equipped with a meter coupling nut on the outlet sides, as manufactured by Mueller, Ford or approved equal.
127.50(B)(4)(e) All meters (two inches and smaller) and meter boxes will be supplied and installed by the
at the
’s expense. Meters larger than two inches will have special installation requirements.
127.50(B)(5) Tapping Sleeves. Tapping sleeves shall be ductile iron or stainless steel with mechanical joints and be Clow, or approved equal.
127.50(B)(6) Valve Boxes.
127.50(B)(6)(a) Valve boxes for water mains and
force mains shall be U.S. Foundry Model 7500, marked “Water” or “
”, or approved equal.
127.50(B)(6)(b) Valve boxes for blow off assembly shall be U.S. Foundry Model 7630 (No. 3) or approved equal.
127.50(B)(7) Retainer Glands. Retainer glands shall conform to ANSI/AWWA C111/A21.11 (latest revision). All glands shall be manufactured from ductile iron as listed by Underwriters Laboratories for 250 psi minimum water pressure rating. Clow Corporation, EBAA Iron, or approved equal.
127.50(B)(8) Double check-valve backflow prevention assembly. The assembly shall conform to ANSI/AWWA C510 (latest revision) and be capable of withstanding a working pressure of at least 150 PSI without damage to working parts or impairment of function. It shall consist of two internally loaded, independently operating check valves, located between two tightly closing resilient-seated shut off valves, with four properly placed resilient-seated test cocks.
127.50(B)(9) Fire Hydrants.
127.50(B)(9)(a) Fire hydrants shall have a minimum five and one-fourth inch valve opening and shall open against the pressure and closing with the flow. Hydrants shall be American, model number B-84-B or approved equal. Hydrants shall meet or exceed ANSI/AWWA C502 (latest revision), C503 (latest revision), and shall comply with Factory Mutual Research Corporation and Underwriters Laboratories UL246 Standard.
127.50(B)(9)(b) Three blue reflective pavement markers shall be provided in the center of the nearest lanes of road pavement adjacent to all fire hydrant locations.
127.50(B)(9)(c) Hydrants shall be painted “fire hydrant red with white fluorescent caps.”
Refer to Land Development Regulations for Hydrant Spacing and other specifications.
127.50(C) Installation.
127.50(C)(1) General. Connection of all new systems to existing mains shall be done using one of the three following methods:
127.50(C)(1)(a) Method A per BCHD Standards, which involves a reduced size temporary connection between the existing main and the new main.
127.50(C)(1)(b) Method B per BCHD Standards, which involves a direct connection between the new and existing mains using two gate valves separated by a sleeve with a vent pipe.
127.50(C)(1)(c) Method C approved by the BCHD, which includes one tapping valve and one additional gate valve requiring disinfection of the new system prior to conducting the pressure test.
127.50(C)(2) Bedding. Bedding and initial backfill (12 inches above pipe) for all pipe shall be sand with no rock larger than one inch in diameter. Pearock or three-fourth-inch washed rock will be used in water or where unsuitable bedding exists at the discretion of the . All other fill shall not have rock larger than six inches in diameter.
127.50(C)(3) PVC Pipe.
127.50(C)(3)(a) PVC pipe, where approved by the
, shall be installed in accordance with the Uni-Bell Plastic Pipe
’s Guide for Installation of PVC Pressure Pipe for Municipal Water Distribution Systems.
127.50(C)(3)(b) PVC pipe shall be installed with a minimum of 36-inch cover.
127.50(C)(3)(c) Detector tape shall be installed the full length of all PVC mains approximately 18 inches below grade, color side up.
127.50(C)(4) Ductile Iron Pipe.
127.50(C)(4)(a) D.I.P. shall be installed in accordance with ANSI/AWWA C600 or latest revision.
127.50(C)(4)(b) D.I.P. shall be installed with a minimum of 30 inch-cover.
127.50(C)(4)(c) Identification tape shall be installed the full length of all D.I.P. mains approximately 18 inches above the main, color side up.
127.50(D) Water distribution system testing.
127.50(D)(1) The physical connection of the new system to the existing system shall be done in accordance with the requirements of the BCHD.
127.50(D)(2) The complete water system shall be pressure tested and disinfected. The pressure test shall be in accordance with ANSI/AWWA C600 (latest revision).
127.50(D)(3) The pressure test shall be witnessed by a representative of the
and the
.
127.50(D)(4) Sampling points shall be provided at the locations shown on the plans as approved by the BCHD.
127.50(D)(5) Before acceptance for operation, the water system shall be disinfected in accordance with ANSI/AWWA C651 (latest revision) with approved bacteriological samples and proper documentation by the BCHD. Collection of samples is the contractor’s responsibility and will be witnessed by a
representative.
(Ord. 2010-20, passed 10-4-2010)