Page 111 - Estimators Piping Man Hour Manual

94 Section Two-FIELD FABRICATION

MANUAL HEAVY WALL BUTT WELDS

Labor for Welding 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 2.7 3.7 „ — .. ., - ...
4 3.3 4.1 5.7 6.8 -- -- -- „
5 - 4.7 6.7 8.0 10.0 12.4 .. --
6 .. 6.4 8.5 10.4 13.3 15.6 18.2 ,.
8 - 8.7 10.1 13.1 16.5 19.2 22.7 27,4
10 - - 13.5 16.2 20.1 23.2 27.3 32.1
12 „ .. - 19.6 23.2 27.4 32.6 37.5
14 .. - .. 23.5 26.6 31.2 36.5 43.1
16 - - .. 29.9 35.6 41.5 49.7
18 - - - .. .. 39.8 46.4 54.8
20 - - - ,. - 46.4 54.8 66.2
22 .. .. - .. „ 72.3
24 -- -- - - -- -- -- 78.7
2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50

10 36.7 42.1 .. .. .. „ ..
12 42.8 49.1 55.3 63.1 .. -- ..
14 48.9 55.5 62.9 71.3 -81.2 91.1 ..
16 56.3 64.7 72.9 82.8 94.4 107.6 -- ..
18 62.9 72.9 82.8 95.0 108.4 124.1 .. „
20 75.4 84.5 96.9 109.3 124.1 140.8 159.7 173.1
22 82.4 92.7 105.5 119.3 135.6 154.1 174.8 193.4
24 89.4 99.0 114.3 129.2 147.4 167.4 189.7 209.3
4.75 5.00 5.25 5.50 5.75 6.00

20 189.7 203.3 216.9 225.9 251.5 268.1
22 204.8 219.8 240.6 252.6 276.8 295.1
24 223.5 240.6 262.9 275.5 298.2 319.0

For General Notes on welding, see pages 92 and 93.