Page 199 - Industrial Process Plant Construction Estimating and Man Hour Analysis

Coal-fired power plant Chapter 8 175

8.36.6 Seal air system, dampers, stack, inlet/outlet plenum sheet 6

Description MH Unit
Erect seal air system
Install seal air blower and heater system 260.00 Ea.
Install dampers and access doors
Install dampers 50.00 Ea.
Install 30 30 access doors 4.09 Ea.
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Erect stack
Set bottom and upper section 60.00 Ea.
Bolt bottom section to foundation 1.53 Ea.
Fit and weld upper sections 0.75 LF
Platform—360 deg 0.10 SF
Grating 0.15 SF
Handrail 0.25 elf
Step platforms 6.00 Ea.
Caged ladder 0.35 LF
Preassemble and erect inlet/outlet plenum
Place and fit inlet and outlet plenum sections 11.40 Ton
Weld inlet and outlet plenum sections 0.75 LF
Erect inlet/outlet plenum
Place and fit inlet plenum sections 22.00 Ton
Place and fit outlet plenum sections 40.00 Ton
Weld inlet and outlet plenum sections 0.75 LF

8.36.7 Penthouse structural steel sheet 7

Description MH Unit

Penthouse structural steel and platforms
Erect structural steel 8.00 pcs
Bolted connections 1.00 Ea.
Platforms and stairs 160.00 lot