Complete Compiled Specification.pdf - Peck Ormsby Construction

B. Check Valves: UL-listed, 175 psi working pressure for 2" through 12", 150 psi for sizes larger
than 12". Swing type, iron body bronze mounted with metal-to-metal or rubber-faced checks.
Threaded, flanged, or hub end, to suit size and piping connections.
2.5 FIRE HYDRANT
A. Provide cast-iron body fire hydrants, compression type, opening against pressure and closing
with pressure, base valve design, 200 psi working pressure, with 1/4" gage tapping and bronze
plug in standpipe, conforming to the latest edition of AWWA C-502, "Dry Barrel Fire Hydrants."
B. Features: Provide the following features:
1. Size: 5" valve opening.
2. Direction to Open Hydrant: Left.
3. Size and Shape of Operating and Cap Nuts: Pentagon 1-1/2" point to flat.
4. Hose Nozzles: 2-1/2" National Standard Thread cap and chain.
5. Pumper Nozzles: 5" National Standard Thread cap and chain.
6. Depth of Trench: 4'-6".
7. Connnection to Main: 6" mechanical joint.
2.6 ACCESSORIES
A. Anchorages: Provide anchorages for tees, wyes, crosses, plugs, caps, bends, valves, and
hydrants. After installation, apply full coat of asphalt or other acceptable corrosion-retarding
material to surfaces of ferrous anchorages.
B. Clamps, Straps, and Washers: Steel, ASTM A 506.
C. Rods: Steel, ASTM A 575.
D. Rod Couplings: Malleable-iron, ASTM A 197.
E. Bolts: Steel, ASTM A 307.
F. Cast-Iron Washers: Gray-iron, ASTM A 126.
G. Thrust Blocks: Concrete, 3,000 psi.
2.7 CONCRETE
A. General: Cast-in-place concrete according to ACI 318/318R, ACI 350R, and the following:
1. Cement: ASTM C 150, Type II.
2. Fine Aggregate: ASTM C 33, sand.
3. Coarse Aggregate: ASTM C 33, crushed gravel.
4. Water: Potable.
B. Thrust Blocks, Hydrant Supports, and Pipe Supports: Portland cement design mix, 3000 psi
minimum, with 0.58 maximum water-cementitious materials ratio.
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION MARCH 2, 2009
WATER UTILITY PIPING 02008 - 4