Page 101 - Estimator's Piping Man-Hour Manual 5E

84 Section Two-FIELD FABRICATION

FIELD ERECTION BOLT-UPS

NET MAN HOURS EACH

Pipe SERVICE PRESSURE RATING
Size
Inches 150 Lb. 300-400 Lb. 600 Lb. 900 Lb. 1500 Lb. 2500 Lb.
2 or less 0.7 0.8 0.9 1.0 1.2 1.6
2l!2 0.8 0.9 1.0 1.2 1.5 2.0

3 0,8 0.9 1.0 1.2 1.5 2.0
3ia 1.0 1.2 1.3 1.5 1.8 2.4

4 1.2 1.4 1.5 1.7 2.1 2.8
fi 1.5 1.7 1.8 2.1 2.6 3,4
8 2.1 2.4 2.6 3.0 3.7 4.9
10 2.7 3.0 3.2 3.7 4.6 6,1
12 3.4 3.8 4.1 4.7 5.8 7,7
14 3.8 4.3 4.6 5.3 6.5 _
16 4.4 4.9 5.2 6.0 7.4
_
18 4,8 5.4 5.8 6.7 8.2
20 5.5 6.2 6.6 7.6 9.3 .....
24 6.6 7.4 7.9 9.1 11.2 _
26 7.0 7.8 8,4 9.6 _
28 7.4 8.3 8.9 10.2 _. ._
_
30 7.8 8.7 9.4 10.7 _
32 8.2 9.2 9.9 11.3 _ ._
34 8.6 9.6 10.3 11.8 _ ._
_
36 9.0 10.0 10.8 12.3 _
38 9.4 10.4 11.3 12.8 ­
_
40 9.7 10.8 11.7 13.3 _
" _L"_
42 10.1 11.2 12.1 13.8

Man hours for labor only for each joint on valves, flanged fittings, and spools. Above man hours
do not include handling of valves, fittings or spools. The handling of bolts or studs and gaskets
is included.
Where tongue and groove, ring joint, female or fittings with special facings are used, add 25% to
above units.
For standard cast iron use 150# allowance.
For extra heavy cast iron use 300# allowance.