Page 179 - Industrial Process Plant Construction Estimating and Man Hour Analysis

Coal-fired power plant Chapter 8 155

8.9.5 Tubes, down comers, accessories, burner, soot blowers,
economizer sheet 5

Installation man-hour
Historical Estimate
MH Unit Qty Unit BM
Tubes, down comers, boiler equipment, burners, 0
and diamond soot blowers
Supply and riser tubes
Headers 15.00 Ton 0 Ton 0
Tubes—make up or supply 2.00 EA 0 EA 0
Tubes—Riser 1.65 EA 0 EA 0
Weld tubes to header stubs—(4 < BW 4-1/2 6.50 EA 0 EA 0
00
TIG) (2001–2600) psi
Down comers
Install down comer 24.00 Ton 0 Ton 0
Diameter weld, girth—field pipe weld 1.20 DI 0 DI 0
Diameter weld, girth—field pipe weld 1.20 DI 0 DI 0
Diameter weld, girth—field pipe weld 1.20 DI 0 DI 0
Boiler equipment
Floor and hopper support steel 28.00 Ton 0 Ton 0
Suspension steel 30.00 Ton 0 Ton 0
Backstays 36.00 Ton 0 Ton 0
Erect casing panels and assemblies 15.00 EA 0 EA 0
Fit and weld casing seams 0.55 LF 0 LF 0
Burner wine box—primary, secondary, and tertiary 75.00 Ton 0 Ton 0
Hoppers 95.00 Ton 0 Ton 0
Doors and frames 10.00 EA 0 EA 0
Seals 190.00 Ton 0 Ton 0
Expanded metal lathe 0.08 SF 0 SF 0
Closure plates 95.00 Ton 0 Ton 0
Coal, volumetric, or gravimetric feeders 16.00 Ton 0 Ton 0