716.01 716-1 SECTION 716 WATER LINE MATERIALS
716.01 Cast Iron Pipe. Cast iron pipe shall conform to the requirements of Federal
Specification WW -P-421, Class 150 with Type III mechanical joints.
716.02 Welded Steel Pipe. Welded steel pipe shall be of the length, diameter and metal
thickness shown on the plans and shall conform to the following:
1.Pipe shall conform to the applicable requirements of AWWA Standard C 200, Section 3, 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 A 53, Grade B or ASTM A139 Grade B or C.
2.Surface Preparation and Coating. Inside and outside surfaces shall be blast cleaned with 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 Buried Pipe Exterior Buried Pipe Interior Exposed Pipe Exterior Exposed Pipe Lined with cement mortar per AWWA Standard C 205 80 mil thickness tape coating systems for the exterior of steel water pipelines per AWWA Standard C 214 Lined with cement mortar per AWWA Standard C 205 or coal tar epoxy per Corps of Engineers C 200 Subsections
509.24 and 509.29
TABLE 716 -2 FOR PIPES CARRYING NON -POTABLE WATER AND FOR SEWERS Interior Buried Pipe Exterior Buried Pipe Interior Exposed Pipe Exterior Exposed Pipe Lined with cement mortar per AWWA Standard C 205 or coal tar epoxy per Corps of Engineers C 200 80 mil thickness tape coating systems for the exterior of steel water pipelines per AWWA Standard C 214 Lined with cement mortar per AWWA Standard C 205 or coal tar epoxy per Corps of Engineers C 200 Subsections
509.24 and
509.29 716.03 716-2 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.
716.03 Galvanized Pipe. Galvanized pipe and fittings shall conform to the requirements of
ASTM A53.
716.04 Copper 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.
716.05 Plastic 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)
716.07 Valves 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.
a.Gate Valves .
1.General. Valves shall have non -rising stems, unless otherwise specified, with inside 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 manufactur er'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. 716.07 716-3 2. Valves Smaller than 3 Inch. Valves shall be of the wedge- disc type with non- rising stem, screw ends and bronze body. Metal composition of the body, centerpiece and other cast parts shall be cast bronze meeting the requirements of ASTM B 62. 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.
3.Valves 3 Inch and Larger. Valves 3 inch and larger shall conform to AWWA C500, except 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.
b.Other Valves. Butterfly valves, globe valves, air relief valves, check valves, tapping valve and sleeve and other appurtenances shall be as shown on the plans.
c.Valve Boxes . Unless otherwise specified or shown on the plans, valve boxes shall be of the adjustable screw type, complete with drop cover. 716.07 716-4 THIS PAGE INTENTIONALLY LEFT BLANK 717.01 717-1 SECTION 717 REST AREA AND BUILDING MATERIALS
717.01 General. All materials and equipment shall be new and shall be of recognized standard
quality.
717.02 Masonry and Masonry Wall Reinforcement .
a.Masonry . Concrete blocks or concrete ornamental blocks shall be lightweight aggregate concrete blocks conforming to ASTM C129, Type 1. Corner block shall be installed at all wall openings. All block shall be uniform in color and be smooth textured. Ornamental block shall be of the type as scheduled on the plans. Structural glazed tile shall be of the types, color, and sizes shown on the plans. Face brick shall be 2 1/4 inch x 3 5/8 inch x 7 5/8 inch (nominal 8 inch) modular size brick. Brick required at ends of rowlock shall be solid brick (no holes). All face brick shall conform to ASTM C216, Grade SW Type FBS (rough). The style of brick to be used shall be as scheduled on the plans.
b.Masonry Wall Reinforcement . Masonry wall reinforcement for curtain walls, shelter wall panels and information center wall panels shall be ladder type for 6 -inch wall, 9 gauge, galvanized, with deformed side rods. “Z” ties for cavity walls of building shall be 3/16 inch x 6 -inch galvanized rod. Corrugated wall ties shall be 7/8 inch x 7 -inch x 20 gauge galvanized steel.
717.03 Mortar for Masonry and Structural Glazed Tile. Mortar shall conform to subsection
704.04 Coloring shall be added to the mortar for the face brick to yield a mortar compatible
with or approximating the color of the face brick. Remixing or retempering of mortar will not be permitted. Waterproofing compound shall be used in all mortar. Mixing waterproofing compound with mortar shall be in strict accordance with the manufacturer's instructions.
717.04 Metal Specialties.
a.Metal Toilet Stalls . Metal compartments for toilet rooms shall be of the type and style as scheduled on the plans. Each toilet compartment shall be furnished with a cast alloy chrome plated Combination Coat Hook and Bumper and a chrome plated, single -fold type toilet paper dispenser.
b.Mirrors . Mirrors shall have clear anodized aluminum or stainless -steel vandal -proof frames with finish similar to #44 satin stainless -steel. Corners shall be mitered and reinforced. Mirror glass shall be 1/4 inch thick, #1 quality polished plate, 18 -inch-wide x 24-inch-high, of the type and style as scheduled on the plans.
717.05 Sanitary Napkin Disposal. Sanitary napkin disposal shall be of the type and style as
scheduled on the plans.
Source: Colorado Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 911–914 of 943.