Page 60 - Industrial Process Plant Construction Estimating and Man Hour Analysis

Process piping Chapter 2 31

2.3.6 Field handle valves/specialty items by weight class
Facility—Oil refinery

Man-hours per valve/specialty Control valve/specialty
Manual valve pressure rating Pressure rating
Pipe
size 150#/300# 600#/900# 1500#/2500# 150#/300# 600#/900# 1500#/2500#

0.5 1.00 1.30 2.00 2.00 2.60 4.00
0.75 1.00 1.30 2.00 2.00 2.60 4.00
1 1.00 1.30 2.00 2.00 2.60 4.00
1.5 1.00 1.30 2.00 2.00 2.60 4.00
2 1.00 1.30 2.00 2.00 2.60 4.00
2.5 1.25 1.30 2.50 2.50 2.60 5.00
3 1.50 1.56 3.00 3.00 3.12 6.00
4 2.00 2.08 4.00 4.00 4.16 8.00
6 3.00 3.12 6.00 6.00 6.24 12.00
8 4.00 4.16 8.00 8.00 8.32 16.00
10 5.00 5.20 10.00 10.00 10.40 20.00
12 6.00 6.24 12.00 12.00 12.48 24.00
14 7.00 7.28 14.00 14.00 14.56 28.00
16 8.00 8.32 16.00 16.00 16.64 32.00
18 9.00 9.36 18.00 18.00 18.72 36.00
20 10.00 10.40 20.00 20.00 20.80 40.00
24 12.00 12.48 24.00 24.00 24.96 48.00
Man-hours only—field handle and erect screwed, flanged, weld end valves, and expansion joints.