33 63 00 STEAM ENERGY DISTRIBUTION

.01 Steam

.02 Air

1. Characteristics
1. Line pressure 60-80 pounds.  This is central plant air and is available on most of the University Park Campus.  Provide proper dryer and separator tanks with automatic blowdown piped to nearest drain, and provide refrigerated air dryer with automatic blowdown piped to nearest drain.
2. Oil removal equipment must be provided in the building.
3. Central air is not available at other locations.
2. Distribution Systems
1. Underground compressed air piping shall be fiberglass reinforced plastic (Fibercast, Centricast Plus RB-2530).  Where piping passes through manholes, convert to steel with flanges.
2. Piping shall have a trap, with a half-inch ss ball valve and an automatic drain located at the low point where the piping enters the building.  In addition, half-inch ss ball valves with brass plugs shall be provided at all low points to bleed entrapped moisture.  Provide oil filters in the lines as needed.
3. All underground fiberglass piping shall have a twelve gauge stranded copper tracer wire attached to the top of the pipe.
3. System Tests
1. All air lines shall be tested at 100 psi air pressure for a period of four (4) hours using test connections and testing equipment furnished by the Contractor.  The only permissible drop in pressure shall be that due to temperature drop.