Page 129 - Estimators Piping Man Hour Manual

112 Section Two-FIELD FABRICATION

FLAME BEVELING PIPE FOR WELDING

"V" Type Bevels

Labor for Straight Pipe Only
Carbon Steel Material

NET MAN HOURS EACH
Pipe Standard Extra Hvy.
Size Pipe& Pipe& SCHEDULE NUMBERS
Inches O.D. Sizes O.D. Sizes
3/8" Thick 1/2 "Thick 20 30 40 60 80 100 120 140 160

2 "or less 0.08 0.12 .. „ 0.08 „ 0.12 „ .. „ 0.16
2-1/2" 0.09 0.14 -- -- 0.09 - 0.14 - -- -- 0,18
_
3 0.12 0.16 -- 0.12 -- 0.16 - - 0-22
4 0.16 0.22 -- .. 0.16 -- 0.22 - 0.30 - 0.32
5 0.20 0.28 .. 0.20 -- 0.28 „ 0.35 ... 0.39
6 0.26 0.35 - -- 0.26 -- 0.35 -- 0.45 - 0.49
8 0.37 0.51 0.37 0.37 0.37 0.46 0.51 0.60 0.68 0.75 ._
10 0.51 0.72 0.51 0.51 0.51 0.72 0.78 0.86 0.95
12 0.55 0.86 0.55 0.55 0.68 1.02 1.08 1.18 - -

14O.D. 0.57 1.02 0.77 0.77 0.91 1.13 1.31 -- - -
16O.D. 0.86 1.27 0.86 0.86 1.27 1.40 1.55 ..
18 O.D. 1.11 1.58 1.11 1.30 1.58 1.77 .. -- -- -- -
20O.D. 1.35 1.77 1.35 1.82 1.95 2.15 -- -- - -
240.D. 2.04 2.60 2.04 2.74 2.88 - -- -- --
For mitre bevels add 50% to the above man hours.
Above man hours are for flame "V" beveling only and do not include cutting or internal machining. See respective
man hour tables for these charges.
For beveling on the ends of bends or shop trimmed fittings, add 50% to the above man hours.