Page 200 - Industrial Process Plant Construction Estimating and Man Hour Analysis

176 Industrial process plant construction estimating and man-hour analysis

8.37 Electrostatic precipitator installation estimate
8.37.1 Hoppers, casing/partition frames, erect steel, diffusers,
TEF/IRB sheet 1

Historical Estimate
Description MH Unit Qty Unit BM

Preassemble hoppers 0
Set hopper cones 1.80 Ton 0 Ton 0
Place and fit hopper side wall sections 1.50 Ton 0 Ton 0
Weld side wall sections 0.32 LF 0 LF 0
Place and fit hopper baffle 1.80 Ton 0 Ton 0
Weld hopper baffle 3/16 fillet/1/8 fillet 2–10 0.32 LF 0 LF 0
00
00
Clean out door 4.00 EA 0 EA 0
Preassemble casing and partition frames 0
Place and fit side frame sections 10.00 Ton 0 Ton 0
Weld and fit side frame sections—3/8 square 0.75 LF 0 LF 0
00
butt weld
Place and fit Partition frame sections 10.00 Ton 0 Ton 0
Weld and fit partition frame sections—3/8 00 0.75 LF 0 LF 0
square butt weld
Bevel beams 1/2 thick 12 00 2.50 Ea. 0 Ea. 0
00
Place and fit beams 10.00 Ea. 0 Ea. 0
Full penetration field weld 1/2 double bevel 16.80 Ea. 0 Ea. 0
00
Erect precipitator support steel 0
Erect and bolt structural columns 40.00 Ea. 0 Ea. 0
Erect X—bracing 21.00 Ea. 0 Ea. 0
Bolt X—bracing 3.40 Ea. 0 Ea. 0
Preassemble diffusers 240.00 Job 0 Job 0
Preassemble perforated plates 0
Load, haul, offload inlet/outlet perforated plates 2.00 Ea. 0 Ea. 0
Place and fit perforated plate sections 4.00 Ea. 0 Ea. 0
Weld perforated plate sections 0.35 LF 0 LF 0
Place and weld clips 1.00 Ea. 0 Ea. 0
Preassemble TEFs and IRBs 0
Load, haul, offload frames 2.76 Ton 0 Ton 0
Set top-end frames 20.00 Ea. 0 Ea. 0
Set intermediate roof beams 32.00 Ea. 0 Ea. 0