Water Line Materials
716.01Cast Iron Pipe. Cast iron pipe shall conform to the requirements of Federal
Specification WW-P-421, Class 150 with Type III mechanical joints.
716.02Welded Steel Pipe. Welded steel pipe shall be of the length, diameter and metal
thickness shown on the plans and shall conform to the following:
manufactured from steel sheets conforming to ASTM A1011, Grade 33 or 36, plates conforming to ASTM A283 Grade C or D, or ASTM A572 Grade 42; or it shall be manufactured to meet the requirements of ASTM A53, Grade B or ASTM A139 Grade B or C.
sand, steel grit, steel Shot or a combination of steel grit and steel shot to remove mill scale and rust, per subsection 509.24(b). Pipe that is cement mortar lined per AWWA Standard C205 shall not be blast cleaned. Paint and coating schedule for pipe larger than 10 inch shall conform to Table 716-1. TABLE 716-1 For Pipes Carrying Potable Water Pipes to be disinfected after installation, per AWWA Standards
Interior Exterior Interior Exterior Buried Pipe Buried Pipe Exposed Pipe Exposed Pipe 80 mil thickness tape Lined with cement coating systems for Lined with cement mortar per AWWA Subsections the exterior of steel mortar per AWWA Standard C 205 or coal 509.24 and water pipelines per Standard C 205 tar epoxy per Corps of 509.29 AWWA Standard Engineers C 200 C 214
TABLE 716-2 For Pipes Carrying Non-Potable Water and for Sewers Interior Exterior Interior Exterior Buried Pipe Buried Pipe Exposed Pipe Exposed Pipe 80 mil thickness tape Lined with cement Lined with cement mortar coating systems for mortar per AWWA Subsections per AWWA Standard C 205 or the exterior of steel Standard C 205 or
509.24and
coal tar epoxy per Corps of water pipelines per coal tar epoxy per 509.29 Engineers C 200 AWWA Standard Corps of Engineers C C 214 200
716.03 Type of pipe and its coating for pipe 10 inch and smaller shall be as shown on the plans. Bell and spigot ends with rubber gaskets, flanges, mechanical couplings, or field-welded joints may be used, as conditions require to join the pipe. All field welds shall conform to Section 509 and shall have linings and coatings replaced equal to the original coating. Wire brushing shall be used where necessary to clean the pipe. Where cement mortar lining is used with welded joints or bell and spigot ends with rubber gaskets, the joint cut back shall be mortared after the pipe has been laid. This cement mortar lining and application shall conform to AWWA Standard C 205. On buried pipe coated with a tape coating system conforming to AWWA Standard C 214, the field joints shall be cleaned, primed, and wrapped with two thicknesses of 35-mil cold applied elastomeric joint tape conforming to AWWA Standard C 209, Type 11. Damage to the pipe lining or coating due to the Contractor's operation shall be repaired at the Contractor’s expense.
716.03Galvanized Pipe. Galvanized pipe and fittings shall conform to the requirements of
ASTM A53.
716.04Copper Pipe. Copper pipe shall conform to the requirements of ASTM B88, Type “K”
and shall be annealed. Pipe shall be supplied with solder type fittings.
716.05Plastic Pipe. Polyethylene pipe (PE) shall conform to the requirements of ASTM
D2104 when size, type, and schedule or series are designated or ASTM D2239 when size and pressure ratings are designated. Polyvinyl Chloride pipe (PVC) shall conform to the requirements of ASTM D1785 when size and schedule are designated or ASTM D2241 when size and pressure ratings are designated. All plastic pipe used as water pipe must bear the National Sanitation Foundation (NSF) seal of approval.
716.06(unused)
716.07Valves and Valve Boxes. Valves shall be designed to exceed the required working
pressure of the water line but shall not be less than the values.
screw and shall open to the left or counterclockwise. Valves shall be equipped with double O-ring stem seals conforming to AWWA C500. All valves shall have the manufacturer's names, catalog number and working pressure molded or stamped thereon. Valves shall be painted as specified in AWWA C500, Section 27, and shall be furnished complete with all accessories. Ends of valve shall fit the pipe or fitting where attached (push-on, mechanical, bell-and-spigot or flanged). Gate valves shall be for buried service; however, they shall be protected against freezing above the frost line.
716.07
screw ends and bronze body. Metal composition of the body, centerpiece and other cast parts shall be cast bronze meeting the requirements of ASTM B62. All packing shall have each ring cut to fit, with staggered joints. Continuous (spiraled) packing shall not be used. Valves shall be provided with handwheels and stuffing box glands. Unless otherwise specified, valves shall be for 200-pound water service.
that they may be furnished with 2-inch square operating nuts or hand-wheels. Bypasses, when required, shall conform to the details shown on the plans or established.
The intended position of the valve in the water line (either horizontal or vertical) shall be as shown on the plans.
sleeve and other appurtenances shall be as shown on the plans.
adjustable screw type, complete with drop cover.
716.07
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