Attachment Page 1/2

Wenatchee Potline 5 Wet LSFO Scrubber Zach Hedgpeth, PE Updated 8/28/2013

% multiplier Cost Note
Capital Costs Purchased Equipment Costs
capital costs 38,728,612 $ CEMS 40,000 $ one SO2 CEM system instrumentation 5% 1,938,431 $ scaled back from 10% CC Manual since basic inst is included in proposal sales tax 8.20% 3,179,026 $ State 6.5% plus local 1.7% freight 5% 1,938,431 $ CC Manual

PEC 45,824,499 $

Installation Costs foundations 12% 5,498,940 $ erection 80% 36,659,600 $ Cost manual default is 40%. electical 1% 458,245 $ piping 30% 13,747,350 $ inslulation 1% 458,245 $ field painting 1% 458,245 $

TIC 57,280,624 $

Indirect Costs engineering 5% 2,291,225 $ Cost manual 10%, but bid includes some engineering expenses construction 10% 4,582,450 $ contractor fees 5% 2,291,225 $

start-up 1% 458,245 $ performance test 1% 458,245 $ contingencies 3% 1,374,735 $ aquatic/environmental studies 235,000 $ Assumed similar to Intalco PUD water connection fee 300,000 $ Assumed similar to Intalco

Total Indirect Cost 11,991,125 $

Total Capital Investment Cost (TCIC) 115,096,249 $

Capital Recovery Interest rate 7% Equipment lifetime 30 Capital cost recovery factor 0.0806 Calculated via Equation 1.34 in the EPA CC Manual Annual Capital cost 9,275,193 $

Annual Costs

Direct Annual Costs Operating labor Operator 37.00 $ 324,120

$ Supervisor 15% 48,618 $

Water Cost 0.00070 $ $/gal Assumed same as Intalco. Quantity 157,067 Gal/day Scaled from Intalco based on volumetric flowrate. Annual cost 40,131 $
Limestone usage, tons/yr 4,803.00 Limestone cost/ton 33.00 $ Annual Limestone cost 158,499 $
Compressed air Plant cost 0.24 $ $/1000 scfm Quantity 47.12 scfm Scaled from Intalco based on volumetric flowrate. Annual cost 5,944 $
Gypsum disposal Generation rate 9,149 ton/yr

Cost disposal $/ton nonhazardous solid waste, including transportation Annual cost

- $

Maintenance Labor 45.00 $ 211,701

$

Materials 409,316 $
Elctricity Required 2,324.59 KWh/hr Scaled from Intalco based on volumetric flowrate.

Cost 0.05

$ $/kWh Assumed same as Intalco. Total Cost 1,071,114

$

Total Direct Annual costs 2,269,442 $

Indirect Annual Costs Overhead 60% 596,253 $ CC Manual, section 2.5.5.7 General and Administrative 2% 2,301,925 $ CC Manual, section 2.5.5.7 Property Tax 1% 1,150,962 $ CC Manual, section 2.5.5.7 Insurance 1% 1,150,962 $ CC Manual, section 2.5.5.7

Total Indirect Annual Costs 5,200,103 $

Total Annual O&M Costs 7,469,544 $

Total Annual Costs 16,744,737 $

SO X Reduction 1,955
$/ton of SO X 8,566 $ Cost manual 10%, but assumes scrubber vendor will oversee scrubber

installation and include in capital of equipment EPA Region 10 - High

Vendor #1 dual-absorber capital cost, scaled to single absorber cost based on Vendor #2, 20% increase for inflation between 2006-2013

Assuming 95% reduction of SO2 PTE scaled proportionally from Intalco based on volumetric flowrate. Scaled from Intalco based on volumetric flowrate. one full time operator, 3 shifts/day

Scaled from Intalco based on volumetric flowrate.Attachment Page 2/2

% multiplier Cost Note
Capital Costs Purchased Equipment Costs
capital costs 38,728,612 $ CEMS 40,000 $ one SO2 CEM system instrumentation 5% 1,938,431 $ scaled back from 10% CC Manual since basic inst is included in proposal sales tax 8.20% 3,179,026 $ State 6.5% plus local 1.7% freight 5% 1,938,431 $ CC Manual

PEC 45,824,499 $

Installation Costs foundations 12% 5,498,940 $ erection 40% 18,329,800 $ Cost manual default is 40%. electical 1% 458,245 $ piping 30% 13,747,350 $ inslulation 1% 458,245 $ field painting 1% 458,245 $

TIC 38,950,825 $

Indirect Costs engineering 5% 2,291,225 $ Cost manual 10%, but bid includes some engineering expenses construction 10% 4,582,450 $ contractor fees 5% 2,291,225 $

start-up 1% 458,245 $ performance test 1% 458,245 $ contingencies 3% 1,374,735 $ aquatic/environmental studies 235,000 $ Assumed similar to Intalco PUD water connection fee 300,000 $ Assumed similar to Intalco

Total Indirect Cost 11,991,125 $

Total Capital Investment Cost (TCIC) 96,766,449 $

Capital Recovery Interest rate 7% Equipment lifetime 30 Capital cost recovery factor 0.0806 Calculated via Equation 1.34 in the EPA CC Manual Annual Capital cost 7,798,060 $

Annual Costs

Direct Annual Costs Operating labor Operator 37.00 $ 324,120

$ Supervisor 15% 48,618 $

Water Cost 0.00070 $ $/gal Assumed same as Intalco. Quantity 157,067 Gal/day Scaled from Intalco based on volumetric flowrate. Annual cost 40,131 $
Limestone usage, tons/yr 4,803.00 Limestone cost/ton 33.00 $ Annual Limestone cost 158,499 $
Compressed air Plant cost 0.24 $ $/1000 scfm Quantity 47.12 scfm Scaled from Intalco based on volumetric flowrate. Annual cost 5,944 $
Gypsum disposal Generation rate 9,149 ton/yr Cost disposal $/ton nonhazardous solid waste, including transportation Annual cost

- $

Maintenance Labor 45.00 $ 211,701

$

Materials 409,316 $
Elctricity Required 2,324.59 KWh/hr Scaled from Intalco based on volumetric flowrate. Cost 0.05

$ $/kWh Assumed same as Intalco. Total Cost 1,071,114

$

Total Direct Annual costs 2,269,442 $

Indirect Annual Costs Overhead 60% 596,253 $ CC Manual, section 2.5.5.7 General and Administrative 2% 1,935,329 $ CC Manual, section 2.5.5.7 Property Tax 1% 967,664 $ CC Manual, section 2.5.5.7 Insurance 1% 967,664 $ CC Manual, section 2.5.5.7

Total Indirect Annual Costs 4,466,911 $

Total Annual O&M Costs 6,736,352 $

Total Annual Costs 14,534,412 $

SO X Reduction 1,955
$/ton of SO X 7,436 $ EPA Region 10 - Low

Vendor #1 dual-absorber capital cost, scaled to single absorber cost based on Vendor #2, 20% increase for inflation between 2006-2013

Cost manual 10%, but assumes scrubber vendor will oversee scrubber installation and include in capital of equipment

one full time operator, 3 shifts/day

Scaled from Intalco based on volumetric flowrate.

Assuming 95% reduction of SO2 PTE scaled proportionally from Intalco based on volumetric flowrate. Scaled from Intalco based on volumetric flowrate.