Design and Construction Handbook - Los Angeles World Airports

Guide Specification
B. Remote Registration System: Direct-reading type complying with AWWA C706; modified with
signal transmitting assembly, low-voltage connecting wiring, and remote register assembly as
required by LAWA.
C. Remote Registration System: Encoder type complying with AWWA C707; modified with signal
transmitting assembly, low-voltage connecting wiring, and remote register assembly as required
by LAWA.
2.7 UNIONS AND FLANGES
A. Unions for Pipe 2-1/2 inches and Smaller:
1. Ferrous Piping: Class 150, malleable iron, threaded.
2. Copper Piping: Class 150, bronze unions with brazed joints.
3. Dielectric Connections: Union with galvanized or plated steel threaded end, copper solder
end, water impervious isolation barrier.
B. Flanges for Pipe 2-1/2 inches and Larger:
1. Ferrous Piping: Class 150, forged steel, slip-on flanges.
2. Copper Piping: Class 150, slip-on bronze flanges.
3. Gaskets: 1/16 inch thick preformed neoprene gaskets.
2.8 PRESSURE GAGES
A. Manufacturers:
1. Ametek, Inc.
2. Trerice.
3. Weiss.
B. Gage: ASME B40.1, with bourdon tube, rotary brass movement, brass socket, front calibration
adjustment, black scale on white background.
1. Case: Cast aluminum.
2. Bourdon Tube: Copper plated brass.
3. Dial Size: 6 inch diameter.
2.9 PRESSURE GAGE TAPS
A. Manufacturers:
1. Ametek, Inc.
2. Trerice.
3. Weiss.
FACILITY WATER DISTRIBUTION
22 11 00 - 5 Plumbing Systems