Project Name
Project Number
UEPH Complex
Statement of Work
26 November 2001
flexible connectors for gas equipment and appliances is prohibited, except that the final
connections to the kitchen ranges shall be made using flexible connectors conforming to ANSI
Z21.45, Flexible Connectors of Other Than All Metal Construction for Gas Appliances, not less
than 1000 mm [40 inches] long. Provide accessible gas shutoff valve and coupling for each gas
equipment item. Comply with UBC or model code seismic requirements. Exposed horizontal
piping shall not be installed farther than 150 mm [6 inches] from the nearest parallel wall in
laundry areas or areas where clothes hanging could be attempted.
8-5.2
Domestic water piping. Piping and fittings shall be copper tubing or chlorinated
polyvinyl chloride (CPVC) plastic pipe. Valves shall be provided at each fixture and piece of
equipment, at each toilet and kitchen, and on takeoffs from risers to each floor. Under slab
supply piping shall be limited to service entrance only.
8-5.2.1
Copper tubing. Water piping under concrete slabs shall be copper tubing, type K,
annealed. Joints under the slabs are prohibited. If copper tubing is selected for interior water
piping, it shall be type K, L, or M hard-drawn copper. Type M copper tubing shall not be
installed in exposed areas where the tubing may be exposed to external damage. Additional
consideration in the technical evaluation shall be given to designs using copper types K or L.
Fittings for soft copper tubing shall conform to ANSI B16.26, Cast Copper Alloy Fittings for
Flared Copper Tubes, and for hard-drawn to ANSI B16.22, Wrought Copper and Copper alloy
Solder Joint Pressure Fittings.
8-5.2.2
Chlorinated Polyvinyl Chloride (CPVC) Plastic Pipe. [Determine the acceptability of
CPVC and edit text as required.] If plastic pipe is selected for interior water piping, it shall be
Chlorinated Polyvinyl Chloride (CPVC) plastic pipe, conforming to ASTM D-2846, Standard
Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Hot- and Cold-Water Distribution
Systems. CPVC thicknesses shall meet Standard Design Ratio 11 for sizes 13-mm [-inch] to
51 mm [2 inches] and shall be schedule 80 pipe for sizes larger than 51 mm [2 inches].
8-5.2.3
Soil, waste, vent, and drain. Piping and fittings shall be cast iron, copper or polyvinyl
chloride (PVC) plastic pipe. Cleanouts shall be provided as required by the code.
8-6
MISCELLANEOUS ITEMS.
8-6.1
Cleanouts. Cleanouts shall be provided at each change in direction of sanitary sewer
lines, at the intervals specified in the National Standard Plumbing Code, and at the building
service entrance. All cleanouts shall be permanently accessible. Ground cleanouts shall be
installed in a 305-mm by 305-mm [12-inch by 12-inch] concrete pad, flush with grade. Wall and
floor types shall be provided as required by the code. Provide access panels or cover plates in
exposed areas.
8-6.2
Hose bibbs. Hose bibbs shall be provided at the front and rear of each building, for
each ground level housing unit. Hose bibbs shall be frostproof, and shall be supplied with an
integral vacuum breaker. Provide as required by the code.
8-6.3
Wall hydrants. Provide every 150 feet along the perimeter of the building.
8-6.4
Backflow preventers. Provide as required by the code.
8-6.5
Washer wall boxes. Clothes Washer Connections at each washer location. Drainage
and hot and cold water supply shall be provided for automatic clothes washers. Washer
SOW-121
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