Page 195 - Industrial Process Plant Construction Estimating and Man Hour Analysis

Coal-fired power plant Chapter 8 171

Install duct support steel
Install inlet ductwork on the support steel including the louver dampers
Install seal air system platform on duct support steel
Set seal air fan and heater
Support structure
Sliding plates and cap plates

8.36 Electrostatic precipitator estimate data

8.36.1 Hoppers, casing/partition frames, support steel, diffusers,
TEF’s & IRB’s sheet 1

Description MH Unit
Preassemble hoppers
Place hopper cones and baffles 1.80 0
Place side wall sections 1.50 0
Weld side wall and hopper baffles 0.32 LF
Clean out door 4.00 EA
Preassemble casing and partition frames
Place and fit side and partition frame sections 10.00 0
Weld side frame and partition sections—3/8 square butt weld 0.75 LF
00
Bevel beams 1/2 thick 12 00 2.50 Ea.
00
Place and fit beams 10.00 Ea.
Full penetration field weld 1/2 double bevel 16.80 Ea.
00
Erect precipitator support steel
Erect and bolt structural columns 40.00 Ea.
Erect X—bracing 21.00 Ea.
Bolt X—bracing 3.40 Ea.
Preassemble diffusers 240.00 Job
Preassemble perforated plates
0
00
0
Load, haul, offload inlet/outlet perforated plates 11 -3 5 -0 00 2.00 Ea.
Place and fit perforated plate sections 4.00 Ea.
Weld perforate plate sections 0.35 LF
Place and weld clips 1.00 Ea.
Preassemble TEFs and IRBs
Load, haul, offload frames 2.76 Ton
Set top-end frames 20.00 Ea.
Set intermediate roof beams 32.00 Ea.