Page 20 - Estimator's Piping Man-Hour Manual 5E

Section One-SHOP FABRICATION 3

Heavy Wall Carbon Steel Material

DIRECT MAN HOURS PER FOOT
Nominal WALL THICKNESS IN INCHES
Pipe
Size .750 1.00 1.25 1.50 1.75 2.00 2.25 2.50
3 "or less 0.065 0.078 „ .. .. .. „
4 0.071 0.087 0.103 0.119 - .. ..
5 .. 0.099 0.119 0.139 0.159 0.179 .. ..
6 - 0.110 0.129 0.148 0.199 0.218 0.237 ..
8 - 0.129 0.146 0.174 0.201 0.228 0.255 0.286
10 - 0.149 0.182 0.215 0.248 0.281 0.314
12 - .. .. 0.214 0.245 0.276 0.308 0.339
14 .. .. .. 0.246 0.274 0.302 0.330 0,359
16 - .. .. 0.284 0.315 0.345 0.377
18 .. „ „ „ 0.324 0.358 0.392
20 - .. .. 0.329 0.362 0.405
22 - - „ - .. „ 0.416
24 -- -- -- .. - 0.486

2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50
10 0.361 0.408 „ .. .. „
12 0.390 0.441 0.498 0.563 - .. ..
14 0.413 0.467 0.528 0.597 0.669 0.743 ..
16 0.434 0.490 0.554 0.626 0.701 0.778 -
18 0.451 0.501 0.576 0.651 0.729 0.809 -
20 0.466 0.527 0.596 0.673 0.754 0.837 0.921 1.022
22 0.478 0.540 0.610 0.689 0.772 0.857 0.951 1.046
24 0.494 0.558 0.631 0.713 0.798 0.886 0.983 1.081
4.75 5.00 5.25 5.50 5.75 6.00
20 1.124 1.225 1.323 1.429 1.529 1.636
22 1.151 1.255 1.355 1.463 1.565 1.675
24 1.189 1.296 1.400 1.512 1.618 1.731

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.