Page 175 - Industrial Process Plant Construction Estimating and Man Hour Analysis

Coal-fired power plant Chapter 8 151

8.9 Coal-fired boiler installation estimate
8.9.1 Drum, headers, panels, furnace wall, roof tubes, weld tubes/
panels sheet 1

Installation man-hour
Historical Estimate

MH Unit Qty Unit BM
Install steam drum 0
Steam drum (200,001 lb Weight 300,000 lb) 9.00 Ton 0 Ton 0
Steam drum trim piping 160.00 Boiler 0 Boiler 0
Drum internals—remove and reinstall 136.00 Boiler 0 Boiler 0
Set rigging for hoisting assemblies 60.00 Boiler 0 Boiler 0
Hoist into place 1.50 Ton 0 Ton 0
Headers, furnace, and water wall panels 0
Boiler sidewall tubes
Headers—loose 15.00 Ton 0 Ton 0
Wall Panels—shop assembled without headers 10.00 Ton 0 Ton 0
Weld Tubes—panel to panel—(2 < BW 2-1/ 4.20 EA 0 EA 0
00
2 TIG) (2001–2600) psi
00
Fit and weld filler bar at tube welds 1.00 Space 0 Space 0
Weld tubes to header stubs—(2 < BW 2-1/2 00 4.20 EA 0 EA 0
00
TIG) (2001–2600) psi
Fit and weld filler joining membrane panels 0.70 LF 0 LF 0
Furnace front wall tubes
Headers—loose 15.00 Ton 0 Ton 0
Wall Panels—shop assembled without headers 10.00 Ton 0 Ton 0
00
Weld tubes—panel to panel—(2 < BW 2-1/ 4.20 EA 0 EA 0
00
2 TIG) (2001–2600) psi
Fit and weld filler bar at tube welds 1.00 Space 0 Space 0
00
Weld tubes to header stubs—(2 < BW 2-1/2 00 4.20 EA 0 EA 0
TIG) (2001–2600) psi
Fit and weld filler joining membrane panels 0.70 LF 0 LF 0