Page 126 - Estimators Piping Man Hour Manual
P. 126
Section Two-FIELD FABRICATION 109
FLAME CUTTING PIPE—PLAIN ENDS
Labor For Straight Pipe Only
Carbon Steel Material
NET MAN HOURS EACH
Standard Extra Hvy.
Pipe Pipe& Pipe& SCHEDULE NUMBERS
Size o n Sis»» O D Sizes
VAA^.
kjleas
Inches 3/8 "Thick 1/2" Thick 20 30 40 60 80 100 120 140 160
2" Or Less 0.10 0.15 „ „ 0.10 „ 0.15 „ -. 0,21
2-1/2 0.12 0.17 ., - 0.12 - 0.17 - - „ 0.23
3 0.15 0.21 .. .. 0.15 „ 0.21 -- .. .. 0.28
4 0.21 0.28 - - 0.21 - 0.28 „ 0.38 .. 0.41
5 0.24 0.36 ... ., 0.24 „ 0.36 - 0.44 ... 0.49
6 0.33 0.45 - - 0.33 .. 0.45 - 0.56 .. 0.63
8 0.46 0.64 0.46 0.46 0.46 0.59 0.64 0.76 0.86 0.97 1.14
10 0.64 0.92 0.64 0.64 0.64 0.92 0.99 1.09 1.24 1.43 1.73
12 0.70 1.09 0.70 0.70 0.86 1.30 1.37 1.48 1.73 1.91 2.05
14O.D, 0.98 1.30 0.98 0.98 1.15 1.44 1.67 1.78 1.96 2.30 2.42
16 O.D. 1.09 1.61 1.09 1.09 1.61 1.78 1.90 2.13 2.30 2.59 2.93
18O.D. 1.42 2.01 1.42 1.65 2.01 2.24 2.36 2.66 2.83 3.19 3.72
20 O.D. 1.71 2.24 1.71 2.30 2.48 2.66 2.83 3.13 3.30 3.84 4.37
24 O.D. 2.60 3.30 2.60 3.48 3.66 3.84 3.95 4.31 4.78 5.37 6.08
For mitre cuts less than 30°, add 50% to the above man hours.
For mitre cuts 30° or greater, add 100% to the above man hours.
Man hours are for cutting pipe with plain ends only and do not include beveling, threading, etc. See appropriate
man hour tables for these operations.
For cutting the ends of bends or trimming fittings, add 50% to the above man hours.