Page 112 - Estimators Piping Man Hour Manual

Section Two-FIELD FABRICATION 95

MANUAL LARGE O.D. BUTT WELDS

Labor for Welding Only

Carbon Steel Material

NET MAN HOURS EACH

O.D. WALL THICKNESS IN INCHES
Pipe
Inches .375 .500 .750 1.00 1.25 1.50 1.75 2.00
26 8.4 11.4 15.1 20.2 26.7 34.5 43.4 52.5
28 10.0 13.1 16.4 22.2 29.3 37.3 46.4 55,7
30 12.5 15.2 18.9 24.1 31.7 39.8 49.6 58.9
32 15.5 17.9 21.5 26.7 34.9 43.0 52.7 62.1
34 19.4 21.5 24.4 29.5 39.3 46.1 56.3 65.4
36 23.0 24.7 27.8 33.2 45.2 52.0 62.3 71.7
38 27.0 28.9 32.0 37.1 52.0 58.8 68.6 78.1
40 31.6 34.2 36.8 41.5 59.7 66.3 75.4 85.2
42 36.9 40.4 42.5 46.6 68.8 75.0 82.8 92.9
44 42.8 46.6 49.9 57.0 74.9 83.2 90.3 101.2
46 48.3 53.1 58.3 67.9 82.7 91.5 98.3 109.6
48 54.5 59.9 68.1 79.1 90.9 99.9 106.8 118.1
54 61.4 67.6 79.5 92.2 99.7 109.3 116.0 127.3
60 69.0 76.2 92.9 107.4 109.5 119.4 126.0 137,2
2.75 2,50 2.75 3.00 3.25 3.50 3.75 4.00
26 61.7 85.0 96.3 110.0 123.5 138.5 159.7 180.4
28 6.0 91.0 104.4 117.5 138.2 150.3 174.8 195.2
30 68.3 99.5 112.9 126.5 144.2 161.1 185.3 209.3
32 71.4 104.0 118.9 132.9 153.0 170.2 196.9 222.9
34 76.9 110.0 126.5 142.2 161.4 180.4 209.3 237.9
36 83.0 117.5 134.9 150.7 171.7 192.2 222.5 250.0

4.25 4.50 4.75 5.00 5.25 5.50 5.75 6.00
26 203.3 225.9 243.9 261.7 276.8 298.2 323.7 345.7
28 219.8 244.9 261.4 280.1 299.6 322.0 345.5 367.5
30 234.9 258.4 281.5 301.1 322.3 343.4 371.1 400.0
32 250.0 277.1 298.2 319.3 343.4 365.9 394.6 424.7
34 268.1 298.2 319.3 340.9 366.9 391.5 421.6 451.7
36 282.5 313.2 337.4 360.8 387.0 412.6 445.7 478.3

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