Page 21 - Estimator's Piping Man-Hour Manual 5E

4 Section One-SHOP FABRICATION

Large O.D. Sizes Carbon Steel Material

DIRECT MAN HOURS PER FOOT
O.D. WALL THICKNESS IN INCHES
PIPE .500
INCHES Or Less .750 1.00 1.25 1.50 1.75 2.00 2.25
26 0.222 0.234 0.270 0.285 0.303 0.360 0.376 0.410
28 0.251 0.264 0.290 0.322 0.352 0,380 0.410 0.440
30 0.268 0.282 0.307 0.338 0.363 0.403 0.451 0.490
32 0.286 0.301 0.334 0.364 0.402 0.434 0.469 0.502
34 0.304 0.320 0.352 0.387 0.427 0.461 0.502 0.534
36 0.336 0.354 0.386 0.421 0.453 0.503 0.563 0.610
38 0.353 0.372 0.407 0.445 0.479 0.532 0.593 0.642
40 0.372 0.392 0.428 0.468 0.504 0.560 0.624 0.676
42 0.405 0.426 0.464 0.506 0.543 0.603 0.675
44 0.422 0.444 0.484 0.528 0.568 0.634 0.708 ...
46 0.442 0.465 0.506 0.552 0.593 0.662 0.741 ..
48 0.473 0.498 0.543 0.592 0.633 0.703 0.780 „
54 0.542 0.570 0.621 0.677 0.723 0.803 0.891 ..
60 0.610 0.642 0.700 0.763 0.813 0.902 1.001
2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.25
26 0.446 0.514 0.570 0.640 0.720 0.808 0.900 0.993
28 0.453 0.521 0.580 0.650 0.726 0.819 0.910 1.000
30 0.505 0.530 0.588 0.658 0.734 0.830 0.927 1.020
32 0.517 0.543 0.595 0.670 0.740 0.842 0.940 1.041
34 0.550 0.578 0.607 0.690 0.750 0.860 0.954 1.073
36 0.628 0.659 0.692 0.734 0.778 0.877 0.970 1.105

4.50 4.75 5.00 5.25 5.50 5.75 6.00 ,
26 1.100 1.194 1.305 1.410 1.520 1.630 1.751
28 1.120 1.244 1.370 1.453 1.570 1.695 1.810
30 1.135 1.299 1.440 1.480 1.600 1.765 1.880
32 1.170 1.359 1.480 1.520 1.660 1.830 1.960
34 1.204 1.400 1.520 1.570 1.690 1.855 1.995
36 1.233 1.480 1.560 1.600 1.740 1.895 2.100
- I
Man hours include unloading pipe from railroad cars or trucks and placing in shop storage,
procuring necessary pipe and materials to fabricate spool piece, transporting necessary ma­
terials to point of fabrication and the transporting of finished work to temporary storage.

Units apply to any length spool piece or segment of work.