Page 132 - Estimators Piping Man Hour Manual
P. 132
Section Two-FIELD FABRICATION 115
WELDED CARBON STEEL ATTACHMENTS
NET MAN HOURS PER LINEAL FOOT
Thickness Layout & Flame Fillet Welding
of Plate Cutting Per Per
Etc. .Inches Lineal Inch Lineal Inch
1/2 or less 0.05 . . . . . . 0. 05
3/4 0.05 . . . . . . 0.07
1 0.05 0.09
1-1/4 0.07 . . . . . 0. 10
1-1/2 0.07 0.10
1-3/4 0.08 0.20
2 0.09 0.20
Figure labor on basis of total lineal inches to be cut and fillet welded.
Unlisted thickness take the next higher listing.
Any machining of bases, anchors, supports, lugs, etc., should be charged as an extra.
If preheating is required, add 100% to the above man hours.
