Complete Compiled Specification.pdf - Peck Ormsby Construction

1. Ductile Iron Pipe: Install in accordance with AWWA C600 "standard for installation of
ductile-iron water mains and their appurtenances" and in accordance with instructions
from water purveyor.
2. Copper Tube: Install in accordance with CDA "Copper Tube Handbook".
3. PVC Pressure pipe, PVC pressure fittings, gaskets, and gasketed joints.
B. Depth of Cover: Provide minimum cover over piping of 12" below average local frost depth or
42" below finished grade, whichever is greater.
C. Water Main Connection: Arrange and pay for tap in water main, of size and in location as
indicated, from water Purveyor.
D. Water Service Termination: Terminate potable water piping 5'-0" from building foundation in
location and invert as indicated. Provide temporary pipe plug for piping extension into building.
1. Mark location with surface marker.
3.5 PIPING INSTALLATION
A. General Locations and Arrangements: Drawing plans and details indicate general location and
arrangement of underground water pipes. Location and arrangement of piping layout take
design considerations into account. Install piping as indicated, to extent practical. Where
specific installation is not indicated, follow piping manufacturer's written instructions.
B. Install proper size increasers, reducers, and couplings where different sizes or materials of
pipes and fittings are connected. Reducing size of piping in direction of flow is prohibited.
C. Tunneling: Install pipe under streets or other obstructions that cannot be disturbed by tunneling,
jacking, or a combination of both.
D. Install piping according to the following:
1. Install piping with restrained joints at tee fittings and at horizontal and vertical changes in
direction. Use corrosion-resistant rods, pipe or fitting manufacturer's proprietary restraint
system, or cast-in-place concrete supports or anchors.
2. Install piping with line and grade as indicated or below frost line if not inidcated.
3. Install ductile-iron pressure piping according to AWWA C600 or AWWA M41.
4. Install ductile-iron special fittings according to AWWA C600.
5. Install PVC pressure piping according to AWWA M23 or ASTM D 2774 and
ASTM F 1668.
6. Install PVC water-service piping according to ASTM D 2774 and ASTM F 1668.
3.6 INSTALLATION OF VALVES
A. Install valves with stems pointing up. Provide valve box over underground valves.
3.7 INSTALLATION OF WATER METER AND VAULT
A. Install Water Meter and Vault to comply with City Water Department Standards.
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION MARCH 2, 2009
WATER UTILITY PIPING 02008 - 6