Page 180 - Industrial Process Plant Construction Estimating and Man Hour Analysis

156 Industrial process plant construction estimating and man-hour analysis

8.9.6 Tubes, down comers, accessories, burner, soot blowers,
economizer sheet 6

Installation man-hour
Historical Estimate
MH Unit Qty Unit BM
Burners
DRB-4Z low Noᵪ coal burner 240.00 EA 0 EA 0
Dual zone Noᵪ port (over fire air system) 200.00 EA 0 EA 0
Inter tube burners include blocks, tips, and 18.00 Ton 0 Ton 0
riffle casings
Automatic lighters include welding 6.00 EA 0 EA 0
Diamond boiler cleaning equipment—retractable soot blower
Soot blower SB, SB with PVF 151.00 EA 0 EA 0
Pressure reducing station 70.00 EA 0 EA 0
Trays and channels for supporting tubing 18.00 EA 0 EA 0
Tubing for automatic sequential air operation 40.00 EA 0 EA 0
Air compressor and/or receiver 18.00 Ton 0 Ton 0
Auto sequential panel or air master controller 86.00 Panel 0 Panel 0
IK structural supports 6.00 Blower 0 Blower 0
Bare tube economizer
Tube sections 7.00 Ton 0 Ton 0
Headers 15.00 Ton 0 Ton 0
Integral support steel 28.00 Ton 0 Ton 0
Set rigging for hoisting assemblies 60.00 Boiler 0 Boiler 0
Hoist into place 1.50 Ton 0 Ton 0
Weld tubes to her stubs—(2 < BW 2-1/2 00 3.10 EA 0 EA 0
00
SMAW)
Fit and weld filler bar at tube welds 1.00 Space 0 Space 0
Casing and hoppers including doors 55.00 Ton 0 Ton 0

8.10 Coal-fired boiler installation man-hours

Estimated Actual

BM BM
Install steam drum 0 0
Headers, furnace, and water wall panels 0 0
Install and weld attemperators, superheater, and reheat components 0 0
Tubes, down comers, boiler equipment, burners and diamond soot 0 0
blowers
Coal-fired boiler installation man-hours 0 0