Page 52 - Estimators Piping Man Hour Manual

Section One-SHOP FABRICATION 35

H s- SU

Carbon Steel Material
NET MAN HOURS EACH
WrZIAI~ THICKNESS I?;
,750 1.00 f .25 1.50 1.75 2.0 2.225 2-50
-
I
8.1
9.8 -_
15.7 21.9
16.5 23.0
22.3 31.2
43.2
I
49 .t3
__ 58 .0
I_
- 64.6
__ 69.7
- 76.7
- 83.7
3.00 3.25 3.50 3.75 4.00 4.25 -1. .50
’10 40.4 - - I_ -_
12 5tj.O 58.6 ($1.2 - I --
14 56.4 59.1 fj 1 .H 64 .ti 437.6 __
Iti 75.0 78.5 82.0 8-5.7 89.6 I
18 83.7 87.6 91.5 115.6 99.9 __
20 90.3 94.5 98.8 103.2 107.8 112.1
22 99.3 104.0 108.7 113.6 118.7 128.4
24 108.3 113.4 llX.5 123.8 129.4 134.6
--~ 5.25 5.50 5.75 6.00
4.75
5.00
20 180.8 125.0 129.4 133.3 137.3 141.4
22 1:u.9 137.6 142.4 146.7 151.1 155.6
24 145.0 150.1 155.4 160.1 lli4.9 169.8
Co~tst~urfimt End closures ah such are sholj fabriuatetl closures; or.ange p4, saddle, or flat pl&e type

Pveltecttiwg. If spwified or required by code, add for this operation. See man hours for preheating.
Stws.s Reliewirrg: Stress relieving of welds in carbon steel material ia required by the A.S.A. Code of I’ressure Piping
here the waIl thickness ih ~ 4 ” or greater.
All the ahrive butt weltlh are k” or greater and must he stress rrlic~vet.l, if end closure involvw a aretirnfermtiai
MPl<l.