The URL can be used to link to this page

Home My WebLink AboutNC0005363_Table 6-11_20160201TABLE 6-11 REMEDIAL ALTERNATIVE COST SUMMARY - EXTRACTION WELLS W.H. WEATHERSPOON POWER PLANT DUKE ENERGY PROGRESS, LLC, LUMBERTON, NC Extraction Well System Item Quantity Unit Unit Cost Total Cost Source Basis for Cost Direct Capital Costs Extraction System Pre -design Field Assessment 1 LS $75,000 $75,000 Similar project Ash Basin closure in place (Cost not included) Mobilization / Demobilization 1 LS $5,000 $5,000 Similar project 10 day work week Upgrade Roads/ Accessibility 1 LS $20,000.00 $20,000 Similar project Effluent Pipe and Underground Electrical (Materials and trenching/backfill 3,500 FT $24.87 $87,100 Similar project Pumps and Well Head Equipment 4 EA $13,170.00 $52,700 Similar project Submersible pump; controller, valves, electrical, etc., installed Equipment Decontamination (Including decontamination pad) 4 LS $710.00 $2,900 Similar project 3 hrs per well Drilling and Materials (4 wells, 10" diameter, 30' depth) 120 LF $174.00 $20,900 Similar project rotary drilling with split spoon samples at 5' intervals Well Development 32 HR $120.00 $3,900 Similar project 8 hours development per well Installation Oversight (Geologist and Equipment) 24 Day $2,000.00 $48,000 Similar project 6 days per well Treatment System - Holding Tank Mobilization / Demobilization 1 LS $10,000.00 $10,000 Similar project Upgrade Roads/ Accessibility 1 LS $10,000.00 $10,000 Similar project Site Prep, Foundation, Electrical, Security 1,600 SF $80.00 $128,000 Similar project 40' x 40' area for site prep Instrumentation and Controls, Equilization Tank, Piping, and Valves 1 LS $40,000.00 $40,000 Similar project Discharge System - Surface Water Obtain NPDES Permit 1 LS $40,000.00 $40,000 Similar project Mobilization / Demobilization 1 LS $10,000.00 $10,000 Similar project Effluent Pipe (Trenching, backfilling, and surface restoration) 1,000 FT $18.00 $18,000 Similar project Transfer Pumps 2 LS $10,000.00 $20,000 Similar project Casing Pipe for Road Crossings 3 EA $3,000.00 $9,0001 Similar project Road and Driveway Restoration 150 Sy $20.00 $3,000 Similar project P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\20.EG_CAP\CAP Part 2\Tables\Table 6-8 to 6-11.xlsx Page 1 of 2 TABLE 6-11 REMEDIAL ALTERNATIVE COST SUMMARY - EXTRACTION WELLS W.H. WEATHERSPOON POWER PLANT DUKE ENERGY PROGRESS, LLC, LUMBERTON, NC Extraction Well System Item Quantity Unit Unit Cost Total Cost Source Basis for Cost Indirect Capital Costs Remedial Design 1 LS $150,000 $150,000 Health & Safety 5% % DCC $26,500.00 Similar project Bonds & Insurance 5% % DCC $26,500.00 Similar project Contingency 30% % DCC $158,600 Similar project Construction Management & Engineering Services 15% 1 % DCC 1 $79,3001 Similar project Annual Operating and Maintenance Operator 12 Mo $4,400.00 $52,800 Similar project 80 hours per month Treatment System Sampling 52 WK $300.00 $15,600 Similar project Analysis Miscellaneous Repairs 1 YR $30,000.00 $30,000 Similar project Present Worth $1,651,200 Similar project n=30 yrs, i=4.25%, PWF=16.78 New Equipment (Years 10 & 20) Extraction Well Pumps 16 LS $750 $12,000 Similar project Well Replacements 1 LS $20,000 $20,000 Similar project Transfer Pumps 4 EA $10,000 $40,000 Similar project Present Worth $78,500 Similar project n=10&20, 1=4.25%, PWF=1.09 Remedy Review 6 EA 1 $100,000 $600,000 Similar project Completed every five years Present Worth $308,000 Similar project n=5, 10, 15, 20, 25, 30, i=4.25%, PWF=3.08 Total Direct Capital Costs $603,500 Total Indirect Capital Costs $440,900 Total 30 Year O&M Costs (Present Worth) $2,037,700 Effectiveness Monitoring 30 Years (Table 6-7) $3,148,600 TOTAL COST $6,230,700 Prepared by: TCP Checked by: RLP 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) Present Worth was calcualted using the Uniform Series Present Worth Factor at: http://www.ajdesigner.com/phpdiscountfactors/uniform_series_Present_worth_equation.php P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\20.EG_CAP\CAP Part 2\Tables\Table 6-8 to 6-11.xlsx Page 2 of 2