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Typical Roof Loads for Pipe Supports

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Nominal Base Dimensions: 17 inches diameter (227 square inches)
Base Weight: 5 pounds each, 10 pounds per assembly
Frame Weight: 16 pounds
Hanger Weight: 4 pounds each (4 and 6 in.)
16 pounds each (8 in.)
20 pounds each est. 10 & 12 in

Pipe Size # of Pipes Contents of Pipe Spacing of Pipes
6 feet 8 feet 10 feet
4 inch pipe 1 Gas (lbs)
psi		 111
0.24 		132
0.29 		156
0.34
Water(lbs)
(psi) 		144
0.32 		176
0.39 		206
0.45
2 Gas(lbs)
(psi) 		180
0.40 		222
0.49 		270
0.59
Water(lbs)
(psi) 		264
0.58 		310
0.68 		237
0.52
3 Gas(lbs)
(psi) 		249
0.55 		312
0.69 		384
0.85
Water(lbs)
(psi) 		348
0.77 		444
0.98 		534
1.18
6 inch pipe 1 Gas(lbs)
(psi) 		156
0.34 		196
0.43 		236
0.52
Water(lbs)
(psi) 		236
0.52 		296
0.65 		356
0.78
2 Gas(lbs)
(psi) 		270
0.59 		350
0.77 		430
0.95
Water(lbs)
(psi) 		430
0.95 		550
1.21 		670
1.48
3 Gas(lbs)
(psi) 		384
0.85 		504
1.11 		624
1.37
Water(lbs)
(psi) 		624
1.37 		804
1.77 		984
2.17
8 inch pipe 1 Gas(lbs)
(psi) 		228
0.50 		288
0.63 		348
0.77
Water(lbs)
(psi) 		358
0.79 		458
1.01 		558
1.23
2 Gas (lbs)
(psi) 		414
0.91 		534
1.18 		654
1.44
Water  (lbs)

(psi) 		674
1.48 		874
1.93 		1074
2.37
10 inch pipe 1 Gas (lbs)
(psi) 		302
0.67 		382
0.84 		472
1.04
Water  (lbs)
(psi) 		512
1.13 		662
1.46 		812
1.79
2 Gas (lbs)
(psi) 		562
1.24 		722
1.59 		902
1.99
Water (lbs)
(psi) 		982
2.16 		1,282
2.82 		1,582
3.48
12 inch pipe 1 Gas (lbs)
(psi) 		362
0.80 		462
1.02 		562
1.24
Water (lbs)
(psi) 		652
1.44 		852
1.88 		1,052
2.32