1

2 EPA

3 Unit 1 Unit 2

Common 

Facilities

Auxiliary 

Power/ID Fans TOTAL STATION TOTAL STATION

4 Capital Costs

5 Spray Dryer Absorber Area $ 48,377,000 $ 48,377,000 - - $ 96,754,000 $ 96,754,000

6 Civil/SiteWork $ 2,457,000 $ 2,530,000 - - $ 4,987,000 $ 4,987,000

7 Flue Gas System/Ductwork $ 48,404,000 $ 49,824,000 - - $ 98,228,000 $ 98,228,000

8 Baghouse Modifications $ 13,284,000 $ 13,284,000 - - $ 26,568,000 $ 26,568,000

9 Reagent Preparation System - - $ 19,671,000 - $ 19,671,000 $ 19,671,000

10 Waste Recycle System - - $ 12,518,000 - $ 12,518,000 $ 12,518,000

11 Common Structures/Buildings - - $ 14,616,000 - $ 14,616,000 $ 14,616,000

12 Reagent Handling System - - $ 16,284,000 - $ 16,284,000 $ 16,284,000

13 Fly Ash Handling Modifications - - $ 21,529,000 - $ 21,529,000 $ 21,529,000

14 Track Ladders and Switches - - $ 2,604,000 - $ 2,604,000 $ 2,604,000

15 Miscellaneous Mechanical Items $ 2,764,000 $ 2,391,000 $ 3,557,000 - $ 8,712,000 $ 8,712,000

16 Pipe Rack - - $ 6,570,000 - $ 6,570,000 $ 6,570,000

17 Booster Fans - - - $ 13,006,000 $ 13,006,000 $ 13,006,000

18 Instrumentation and Controls - - $ 3,513,000 - $ 3,513,000 $ 3,513,000

19 Electrical Modifications - - - $ 25,816,000 $ 25,816,000 $ 25,816,000

20 Mobilization/Demobilization - 1% of Labor $ 636,000 $ 646,000 $ 462,000 $ 146,000 $ 1,890,000 $ 1,890,000

21 Cost Due to Overtime - 5-10's $ 8,540,000 $ 8,673,000 $ 6,196,000 $ 1,959,000 $ 25,368,000 $ 25,368,000

22 Per Diem $ 7,921,000 $ 7,880,000 $ 7,109,000 $ 2,746,000 $ 25,656,000 $ 25,656,000

23 Spare Parts - 3% of Equipment $ 801,000 $ 801,000 $ 1,064,000 $ 596,000 $ 3,262,000 $ 3,262,000

24 Freight $ 1,248,000 $ 1,255,000 $ 961,000 $ 1,242,000 $ 4,706,000 $ 4,706,000

25 General & Administration - 5% of Material and Labor $ 4,857,000 $ 4,919,000 $ 3,579,000 $ 1,046,000 $ 14,401,000 $ 14,401,000

26 Profit - 10% of Material and Labor $ 9,713,000 $ 9,838,000 $ 7,159,000 $ 2,092,000 $ 28,801,000 $ 28,801,000

27 EPC Fee - 20% of Total Cost $ 29,800,400 $ 30,084,000 $ 30,754,000 $ 9,729,000 $ 100,367,000 $ 18,551,910 Revised to 6.5% of capital costs (bold) not supported by vendor quotes

28 Subtotal $ 178,802,000 $ 180,502,000 $ 158,145,000 $ 58,378,000 $ 575,827,000 $ 494,011,910

29

30 Other Costs

31 Indirect $ 3,573,000 $ 3,610,000 $ 39,101,000 $ 1,168,000 $ 47,452,000 $ 42,452,000 Subtracted out bond fees stated to be 2.5% of $200M

32 Escalation $ 33,071,000 $ 35,590,000 $ 40,232,000 $ 11,556,000 $ 120,449,000 0 Not allowed under the Control Cost Manual

33 Sales/Use Tax $ 3,160,000 $ 3,169,000 $ 3,278,000 $ 1,470,000 $ 11,077,000 $ 11,077,000

34 Contingency $ 43,089,000 $ 43,940,000 $ 47,496,000 $ 14,220,000 $ 148,745,000 $ 11,239,140 Revised to 3% of purchased equipment cost per Control Cost Manual 

35 AFUDC $ 21,889,000 $ 25,989,000 $ 26,973,000 $ 8,451,000 $ 83,302,000 0 Not allowed under the Control Cost Manual

36 Subtotal $ 104,782,000 $ 112,298,000 $ 157,080,000 $ 36,865,000 $ 411,025,000 $ 64,768,140

37

38 Total Capital Cost $ 283,584,000 $ 292,800,000 $ 315,225,000 $ 95,243,000 $ 986,852,000 $ 558,780,000

39

40 Capital Recovery Factor (CRF) 0.0820 0.0669 Revised based on a 30 year service life

41 Levelized Capital Cost $ 80,875,000

42

43 Total Capital Cost (w/ fan sized for FGD only) $ 89,982,000 $ 981,591,000 $ 553,519,000

44 Levelized Capital Cost (w/fan sized for FGD only) $ 80,013,000 $ 37,040,000

45

46 O&M Costs

47 Levelized Fixed O&M $ 7,812,000 $ 6,378,774

48 GGS Levelized Variable O&M (0.15 lbs/MMBtu) $ 19,994,000 $ 16,325,807 This figure assumes the same variable O&M requirement as GGS

49

50 Levelizeed O&M Cost $ 27,806,000 $ 22,704,581

51 Levelized Outage Cost $ 698,000 $ 569,942

52 Total Levelized Capital, Outage, and O&M Cost $ 108,517,000 $ 60,315,000

Gerald Gentleman Spray Dryer Absorber BART Cost Analysis

GGS
53

54 GGS SO2 baseline 49,785

55 GGS SO2 reduction (based on 0.15 lbs/MMBtu) 39,815

56 GGS cost effectiveness ($/ton) 2,726

57

58 EPA SO2 baseline 31,513

59 EPA SO2 Reduction (0.15 lbs/MMBtu) 23,147

60 EPA Levelized Variable O&M (0.15 lbs/MMBtu) $ 9,491,233 Variable O&M reduced to account for less mass SO2 removed

61 EPA Levelized Capital, Outage, and O&M Cost (0.15 lbs/MMBtu) $ 53,480,426 Re-totaled to account for adjusted variable O&M

62 EPA Cost Effectiveness (0.15 lbs/MMBtu) 2,310

63

64 EPA SO2 Reduction (0.11 lbs/MMBtu) 25,202

65 EPA Levelized Variable O&M (0.11 lbs/MMBtu) $ 10,333,869 Variable O&M reduced to account for less mass SO2 removed

66 EPA Levelized Capital, Outage, and O&M Cost (0.11 lbs/MMBtu) $ 54,323,062 Re-totaled to account for adjusted variable O&M

67 EPA Cost Effectiveness (0.11 lbs/MMBtu) 2,156

68

69 EPA SO2 Reduction (0.06 lbs/MMBtu) 28,166

70 EPA Levelized Variable O&M (0.06 lbs/MMBtu) $ 11,549,232 Variable O&M reduced to account for less mass SO2 removed

71 EPA Levelized Capital, Outage, and O&M Cost (0.06 lbs/MMBtu) $ 55,538,425 Re-totaled to account for adjusted variable O&M

72 EPA Cost Effectiveness (0.06 lbs/MMBtu) 1,972