The following specifications are for
, a dependent utility for the
. Refer to the City of Sunrise for water and
specifications in
.
127.52(A) General.
127.52(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
shall be present.
127.52(A)(2) No connections to the existing lines shall be made until pressure tests for the
force mains, and the system is acceptable to the
and DERD.
127.52(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 used for testing purposes shall be metered.
127.52(A)(4) All force mains shall cross above drainage lines with adequate cover and separation. If this crossing is not possible, it shall be indicated on the plans.
127.52(A)(5) A three-foot lateral separation shall be maintained between water/
lines and all existing and proposed obstructions (i.e. catch basins, concrete poles, etc.).
127.52(B) Materials.
127.52(B)(1) The
force main shall be D.I.P. PVC for pipe less than ten inches in diameter may be allowed but only if approved by the
.
127.52(B)(1)(a) PVC pipe shall be ASTM 1120 pressure pipe with iron O.D., Class 150 (DR 18), conforming to ANSI/AWWA C900-89 or C905-88 or latest revision and shall have push-on rubber gasket joints.
127.52(B)(1)(b) D.I.P. shall be Class 350 wall thickness (up to 12 inches), Class 300 (14 inches to 18 inches), Class 250 (20 inches or greater) with interior cement lining conforming to ANSI/AWWA C151/A21.51 (latest revision).
pipe shall be either double cement conforming to ANSI/AWWA C104/A21.4 (latest revision), or polyethylene lined conforming to ANSI/AWWA C105/A21.5-88 or latest revision, or approved equal. The pipe shall withstand a working pressure of 350 PSI. The joints shall be bell and spigot push-on type, mechanical joint or flanged. Flanged 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
.
127.52(B)(2) Fittings. Fittings shall be ductile iron compact restrained mechanical joint type 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.
127.52(B)(3) Valves. Valves shall be plug valves for force mains.
127.52(B)(3)(a) Air Release Valves.
127.52(B)(3)(a)(1)
Air Release Valves - System shall be a combination of one
air release valve and one
air/vacuum valve with dual isolation plug valves. Both valve bodies and covers shall be of cast iron construction, ASTM A126-B. All internal parts shall be of stainless steel, ASTM A240 - Type 304 and ASTM A276 - Type 303. The venting orifice shall be 5/16 inches in diameter with stainless steel seat. The inlet openings shall be a minimum of two-inch NPT screwed connection for both valves. The valves shall be fully capable of operation in
force main. Both valves shall include a back-flushing feature for periodic cleaning of the internal mechanism. The overall height shall not exceed 22 inches. Valves shall be manufactured by Val-Matic Corporation, or approved equal.
127.52(B)(4) Detector Tape. Detector tape shall be three inches wide green tape for force main with a metallized foil core laminated between two layers of plastic film. The “CAUTION FORCE MAIN BURIED BELOW” shall be printed at 30-inch intervals along the tape. Tape shall be placed 18 inches below grade above all PVC mains and services or as recommended by manufacturer. Non-metallic tape shall be used above ductile iron pipe.
127.52(B)(5) Tapping Sleeves. Tapping sleeves shall be Clow, or approved equal.
127.52(B)(6) Valve Boxes.
127.52(B)(6)(a) Valve boxes for water mains and
force mains shall be U.S. Foundry Model 7500, marked “Water” or “
”, or approved equal.
127.52(B)(6)(b) Valve boxes for blow off assembly shall be U.S. Foundry Model 7630 (No. 3) or approved equal.
127.52(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.
127.52(B)(8) Megalugs Series 1100, or equal shall be used for restraint. Concrete Thrust Blocks are not allowed.
(Ord. 2010-20, passed 10-4-2010)