Page 100 - Estimators Piping Man Hour Manual

Pipe SERVICE PRESSURE RATING
Size
Inches 150 Lb. 300-400 Lb. 600-900 Lb. 1500 Lb. 2500 Lb.
I/.! 0.2 0.2 0.2 0.4 0,4
:& 0,2 0.2 0.3 0.4 0.5
1/2 0.2 0.2 0.3 0.5 0,5
*1 0.2 0.3 0,5 0.6 0.6
1 0.3 0.3 0.6 0.6 0.7
l!/4 0.3 0.3 0.7 0.9 1.2
H» 0.4 0,4 1.0 1.2 1.4
2 0.5 0.8 1.3 1.5 1.8
2 1,2 0.8 1.1 1.5 1.9 2.1
3 1,2 1.5 2.0 2.4 2.6
3K: 1.4 1.7 2.3 2.7 2.9
4 1.7 2.0 2.6 3.1 3,4
5 2.0 2.4 3.0 3.6 4.0
6 2.2 2.7 3.3 4.1 4.1
8 2.8 3.4 4.2 5.3 5.9
10 3.6 4.2 5.1 6.8 7,0
12 4.3 5.1 6.3 8.5 9.5
14 5.1 6.0 7.5 10.5 11.4
16 5.9 7.1 8.8 12.7 13.0
18 6.7 8.1 10.4 15.1 15.8
20 7.7 9.2 11.9 17.9 18.4
24 8.5 10.3 13.6 20.7 21,5
26 8.9 10.8 14.2 21.7
28 9.3 11.3 14.9 22.7 ._
30 9.7 11.8 15.5 23.6 __
_
32 10.1 12.3 16.1 24.6
34 10.5 12.8 16.8 25.6 _-
36 10.9 13.2 17.4 26.5
_
38 11.3 13.7 18.0 27.4
40 11.6 14.1 18.5 28.2
—
42 11.9 14.5 19.1 29.0 _
44 12.3 14.9 19.7 29.9 _
46 12.7 15.3 20.3 30.8 _-
13.0 15.7 20.8 31.5
1 " !
Man hours only — screwed, flanged, and weld end valves, and expansion joints. No man hours
for welds, making-on, or bolt-up included. See pages pertaining to these items.

Use 150# allowance for standard brass and iron valves.
Use 300# allowance for extra heavy and 200 Ib. brass and iron valves.
For motor operated or diaphragm valves, add 125% to above man hours.