Page 127 - Estimators Piping Man Hour Manual

HO Section Two-FIELD FABRICATION

FLAME CUTTING HEAVY WALL PIPE—PLAIN ENDS

Labor For Straight Pipe Only
Carbon Steel Material

NET MAN HOURS EACH
Nominal WALL THICKNESS IN INCHES
Pipe
Size .750 1.00 1.25 1.50 1.75 2.00 2.25 2.50
3 0.53 0.94 .. „ .. .. —
4 0.94 1.12 1.59 1.77 - „ ..
5 - 1.30 1.65 2.00 2.24 2.54 .. -,
6 - 1.59 1.89 2.24 2.54 2.77 3.19
8 1.89 2.24 2.48 2.89 3.13 3.48 4.07
10 .. - 2.48 2.77 3.13 3.42 3.84 4,37
12 - .. 3.13 3.36 3.84 4.25 4.78
14 - .. .. 3.60 3.72 4.13 4.60 5,25
16 .. - 4.31 4.96 5.61 6.14
18 .. .. - „ .. 4.60 6.14 6.84
20 .. .. .. - 6.14 6.84 7,73
"
22 - — -- - - -- 8.38
24 -- -- -- .. -- -- -- 9,50
2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50
10 4.72 5.02 „ — „ ...
12 5.31 5.72 6.14 6.61 — .. — - .. ..
14 5.84 6.31 6.61 7.49 8.02 8.79
16 6.67 7.20 7.73 8.38 9.09 9.97 .. ...
18 7.49 8.02 8.79 9.50 10.27 11.39 .. ..
20 8.26 8.91 9.79 10.68 11.56 12.57 13.63 14.63
22 9.26 10.03 10.68 11.86 12.92 13.92 14.99 16.11
24 10.27 11.15 12.10 13.22 13.92 15.46 16.87 18.47
4.75 5.00 5.25 5.50 5.75 6.00
20 15.64 16.58 17.70 18.64 19.77 20.77
22 17.23 18.35 19.35 20.41 21.54 22.72
24 19.94 21.00 22.30 23.60 24.78 26.14

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.