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HomeMy WebLinkAboutNC0003433_Table 6-11 Remedial Alternative Cost Summary PRB_20160229TABLE 6-11 REMEDIAL ALTERNATIVE COST SUMMARY CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Permeable Reactive Barrier Item Quantity Unit I Unit Cost Total Cost Source Basis for Cost Direct Capital Costs Funnel and Gate System Pre -design Field Assessment 1 LS $75,000 $75,000 Similar project Ash Basin closure in place (Cost not included) Mobilization / Demobilization 5 LS $5,000 $25,000 Similar project 10 day work week Upgrade Roads/ Accessibility 1 LS $20,000 $20,000 Similar project Sheet Piling (Funnels) 39,000 SF $24.85 $969,150 RS Means 38 psf, 25' excavation, extract and salvage, excludes wales (1,550 linear feet) Trench Excavation (Gates) 6,000 Cy $3.61 $21,700 RS Means bulk, dragline, excavate and load on truck Geotextile Subsurface Drainage (Gates) 10,000 SY $1.95 $19,500 RS Means filtration fabric laid in trench, polypropylene Installation Oversight (Geologist and Equipment) 50 Days $1,000.00 $50,000 Similar project Reagent Zero Valent Iron (Gates) 2,900 Ton $1,000.00 $2,900,000 Similar project 7 Gates (each gate 100 ft long X 5 ft wide x 20 ft deep) requires 400 tons per gate, when mixed approximately 50 percent ZVI and 50 soil. Indirect Capital Costs Remedial Design 1 LS $150,000 $150,000 Health & Safety 5% % DCC $200,300 Similar project Bonds & Insurance 5% % DCC $200,300 Similar project Contingency 20% % DCC $801,100 Similar project Construction Management & Engineering Services 15% % DCC $600,900 Similar project Annual Operating and Maintenance Operator 0 Mo $4,400.00 $0 Similar project 80 hours per month Treatment System Sampling 0 WK $300.00 $0 Similar project Analysis Miscellaneous Repairs 0 YR $3,000.00 $0 Similar project Present Worth $0 Similar project n=30 yrs, 1=4.250/., PWF=16.78 New Equipment (Years 10 & 20) Replacement Pump 0 LS $7,600 $0 RS Means Present Worth $0 Similar project n=10&20, i=4.25%, PWF=1.09 Remedy Review 0 EA $100,000 $0 Similar project Completed every five years Present Worth $308,000 Similar project n=5, 10, 15, 20, 25, 30, 1=4.25%, PWF=3.08 Total Direct Capital Costs $4,080,400 Total Indirect Capital Costs $1,952,600 Total 30 Year O&M Costs (Present Worth) $308,000 Effectiveness Monitoring 30 Years (Table 6-9) $3,537,400 TOTAL COST $9,878,400 Prepared by: TDP Checked by: CJS Notes: LS = Lump Sum, EA = Each, FT = Foot, LF = Linear Foot, SF = Square Foot, SY = Square Yard, HR = Hour, WK = Week, Mo = Month, YR = Year, O&M = Operation and Maintenance, DCC = Direct Captial Cost, PWF = Present Worth Factor , n = Time, I = Interest rate (Provided by Duke Progress, LLC), CY = cubic yard Present Worth was calcualted using the Uniform Series Present Worth Factor at: http://www.ajdesigner.com/phpdiscountfactore/uniform_series_present_worth_equation.php P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\20.EG_CAP\CAP Part 2\Tables\Final\Table 6-9 to 6-11 OPCs for MNA, Trench, & PRB.xlsx Page 1 of 1