final bid specs 09328.pdf - Freese and Nichols, Inc.

V. SAND AND SOILDS INTERCEPTORS
1. Sand Trap (ST1): Steel epoxy coated inside and outside, recessed exterior type, 100
gallon liquid holding capacity, internal air relief, double wall trap, removable filter,
gasketed cover, and Opex Shop coating inside and bituminous coating outside.
ACCEPTABLE MANUFACTURER AND MODEL
Rockford
Series SD-48
W. PIPE HANGERS AND SUPPORTS
1. Hangers for Pipe Sizes 1/2 to 1-1/2 Inch: Malleable iron, adjustable swivel, split ring.
2. Hangers for Pipe Sizes 2 to 4 Inches and Cold Pipe Sizes 6 Inches and Over: Carbon
steel, adjustable, clevis.
3. Hangers for Hot Pipe Sizes 6 Inches and Over: Adjustable steel yoke, cast iron roll,
double hanger.
4. Multiple or Trapeze Hangers: Steel channels with welded spacers and hanger rods; cast
iron roll and stand for hot pipe sizes 6 inches and over.
5. Vertical Support: Steel riser clamp.
6. Floor Support for Pipe Sizes to 4 Inches and All Cold Pipe Sizes: Cast iron adjustable
pipe saddle, locknut nipple, floor flange, and concrete pier or steel support.
7. Floor Support for Pipe Sizes 6 Inches and Over: Adjustable cast iron roll stand, steel
screws, and concrete pier or steel support.
8. Copper Pipe Support: Carbon steel ring, adjustable, copper plated.
9. Shields for Insulated Piping 2 Inches and Smaller: 18 gage galvanized steel shield over
insulation in 180 degree segments, minimum 12 inches long at pipe support.
10. Shields for Insulated Piping 2-1/2 Inches and Larger (Except Cold Water Piping): Pipe
covering protective saddles.
11. Shields for Insulated Cold Water Piping 2-1/2 Inches and Larger: Hard block nonconducting
saddles in 90 degree segments, 12 inch minimum length, block thickness
same as insulation thickness.
12. Shields for Vertical Copper Pipe Risers: Sheet lead.
13. Support horizontal piping as follows:
PIPE SIZE MAX. HANGER SPACING HANGER DIAMETER
1/2 to 1-1/4 inch 6'-6" 3/8"
1-1/2 to 2 inch 10'-0" 3/8"
2-1/2 to 3 inch 10'-0" 1/2"
4 to 6 inch 10'-0" 5/8"
8 to 12 inch 14'-0" 7/8"
14 inch and Over 20'-0" 1"
PVC (All Sizes) 6'-0" 3/8"
C.I. Bell and Spigot (or No-Hub) 5'-0" and at Joints
14. Hanger Notes:
a. Install hangers to provide minimum 1/2 inch space between finished covering and
adjacent work.
b. Place a hanger within 12 inches of each horizontal elbow.
c. Use hangers with 1-1/2 inch maximum vertical adjustment.
d. Support horizontal cast iron pipe adjacent to each hub, with 5 feet maximum spacing
between hangers.
e. Support vertical piping at every floor. Support vertical cast iron pipe at each floor at
hub.
Plumbing Systems 22 00 01 - 13
DPR09328