Page 173 - Industrial Process Plant Construction Estimating and Man Hour Analysis
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Coal-fired power plant Chapter 8 149
8.8.3 Tubes, down comers, accessories, burner, soot blowers,
economizer sheet 3
Description MH Unit
Headers 15.00 Ton
Tubes—make up or supply 2.00 EA
Tubes—riser 1.65 EA
Weld tubes to header stubs—(4 < BW 4-1/2 TIG) (2001–2600) psi 6.50 EA
00
Install down comer 24.00 Ton
Diameter weld, girth—field pipe weld 1.20 DI
Diameter weld, girth—field pipe weld 1.20 DI
Diameter weld, girth—field pipe weld 1.20 DI
Floor and hopper support steel 28.00 Ton
Suspension steel 30.00 Ton
Backstays 36.00 Ton
Erect casing panels and assemblies 15.00 EA
Fit and weld casing seams 0.55 LF
Burner wine box—primary, secondary, and tertiary 75.00 Ton
Hoppers 95.00 Ton
Doors and frames 10.00 EA
Seals 190.00 Ton
Expanded metal lathe 0.08 SF
Closure plates 95.00 Ton
Coal, volumetric, or gravimetric feeders 16.00 Ton
DRB-4Z low Noᵪ coal burner 240.00 EA
Dual zone Noᵪ port (overfired air system) 200.00 EA
Inter tube burners include blocks, tips, and riffle casings 18.00 Ton
