Page 105 - Estimators Piping Man Hour Manual

88 Section Two-FIELD FABRICATION

ATTACHING FLANGES—SLIP-ON TYPE

Man Hours Slipping on Flange, Manual Welding at Front and Back
Carbon Steel Material, Straight Pipe, Bends, Headers and Nozzles

NET MAN HOURS EACH
Pipe SERVICE PRESSURE RATING
Size
Inches 150 LB. 300 LB. 400 LB. 600 LB. 900 LB. 1500 LB. 2500 LB.
1 0.9 1.0 1.4 1.4 1.6 1.8 2.1
1-1/4 1.0 1.2 1.4 1.4 1.8 2.1 2.3
1-1/2 1.0 1.3 1.4 1.4 1.8 2.1 2.3

2 1.3 1.4 1.8 1.8 2.4 2.7 3.0
2-1/2 1.5 1.7 2.3 2.3 3.0 3.3 3.6
3 1.8 2.1 2.9 2.9 3.6 4.0 4,4
3-1/2 2.2 2.4 3.3 3.3 -- -
4 2.4 2.6 3.5 3.8 4.8 5.4 5.9
5 3.0 3.3 4.5 4.8 6.1 6.7 7.4
6 3.6 3.9 5.2 5.9 7,2 8.1 8.9
8 5.1 5.4 7.3 8.0 9.9 11.0 12.0
10 6.3 6.8 9.0 11.1 12.5 14.0 15.5
12 7.7 8.3 11.0 13.7 15.3 17.2 19.0
140.D. 9.0 10.0 13.0 16.2 17.7 19.8
16 O.D. 10.5 11.3 15.0 18.4 20.1 22.4 ..
18O.D. 12.2 13.5 17.5 21.1 23.7 26.6
20 O.D. 14.6 16.0 21.1 23.7 27.5 30.8
24 O.D, 18.3 20.1 25.6 31.2 34.8 38.9 .,
26 O.D. _ 27.7 33.7 37.8 _ _
30 O.D. _ __ 32.0 38.9 43.5 .._ _
34 O.D. _ 36.2 44.1 49.3 _ _
36 O.D. ._ _ 38.4 46.7 52.2 _
_
42 O.D. - - 44.7 54.5 — —

Flanges: Man hours are for field labor only. The price of welding materials and the flange must be added in all
cases.
Pipe Thickness: Man hours are for any wall thickness of pipe used with listed flanges.
Preheating: If specified or required by codes, add for this operation. See man hours for pre-heating.
Stress Relieving: If specified or required by codes, add for this operation. See man hours for stress relieving.
Unlisted Sizes: Unlisted sizes take the next higher listing.