Page 47 - Estimators Piping Man Hour Manual

30 Section One-SHOP FABRICATION

45° WELDED NOZZLES—BEINFORCED

Labor For Cutting And Welding
Carbon Steel Material

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

1-1/2 5,9 6.2 -- .. 5.9 -- 6.2 -- -- -- 8.9
2 6.0 6.7 6.0 6.7 __ -- -- 11.6
2-1/2 6.8 8.1 ._ _. 6.8 .. 8.1 12.7
3 7.6 9.1 -- 7.6 -- 9.1 -- -- -- 14.0
3-1/2 8.7 10.1 _. 8.7 10.1
4 9.7 11.7 ._ -- 9.7 -- 11.7 -- 14.5 -- 17.6
5 11.4 13.7 -- -- 11.4 -- 13.7 -- 17.2 21.7
—
6 12.0 14.9 12.0 14.9 21.3 ._ 27.3
8 13.4 18.3 13.4 13.4 13.4 15.3 18.3 22.4 27.8 33.7 37.7
10 14.7 18.4 14.7 14.7 14.7 18.4 22.0 27.2 37.7 41.4 45.1
12 OD 16.3 20.6 16.3 16.3 17.2 23.0 30.0 38.7 43.8 51.5 80.1
14 OD 17.8 23.4 17.8 17.8 19.8 27.6 38.9 44.6 52.7 59.7 68,8
16 OD 20. I 25.6 20.1 20.1 25.6 34.0 44.8 55.7 70.0 71.8 79.5
18 OD 21.6 26.8 21.6 24.9 31.7 42.5 50.4 67.6 70.3 74.1 99,5
20 OD 23.9 30.2 23.9 30.2 36.9 53.3 60.4 72.5 83.9 96.0 111.8
24 OD 25.0 32.5 25.0 32.8 43.3 60.5 65.1 82.3 97.4 112.3 130.6

Pipe Thickness: Wall thickness of the pipe used for the nozzle determines the man hours that
will apply. For nozzles of double extra strong pipe thickness, use Schedule 160 man hours.
Reinforcement: Man hours are for labor only. The price of the nozzle and reinforcing materials
must be added.
Preheating; If specified or required by Codes, add for this operation. See man hours for pre-
heating. The size and wall thickness of header (not the size of the nozzle) determines the
preheating man hours.
Stress Relieving: Stress relieving of welds in carbon steel material is required by the A.S. A.
Code for Pressure Piping, where the wall thickness is 3/4" or greater. The size and wall
thickness of the header determines the man hours to be used for stress relieving.
All pipe sizes shown below the ruled line are 3/4" or greater in wall thickness and must
be stress relieved. Where stress relieving is required an extra charge should be made.
See man hours for stress relieving.