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Table 6-3
<br /> Closure Cost Estimate
<br /> Cabarrus County C&D Landfill
<br /> Cabarrus County,North Carolina
<br /> (Revised October,2016)
<br /> 270-00-00-0-0000-3503-57 Closure/Postclos-C&D-Post Clos a.Active(Phase 1)C&D Landfill w/(4)Grou ndwater 60 events 3,230 193,800 193,800
<br /> Monitoring Wells and(1)Surface Water Sample Location{CD-is,COld,
<br /> CD-2,CD-3,CD-4 and SW-3)and QA/QC Samples Analyzed Sem i-Annually
<br /> for 30 years.
<br /> 270-00-00-0-17000-3503-55 Closure/Postclos-MSW-Post Clos b.Unit 1MSW Lan dfil I w/(5)Groundwater Mon storing Wells 20 events 3,230 64,500 64,600
<br /> (MW-5,MW-7,MW-8A, MW-10 and MW-11)and QA/QC
<br /> Samples Analyzed Semi-Annually For 15 yea rs.
<br /> 270-00040-0 4)000-3503-5S Closure/Postelos-MSW-Past Clos c-Unit 2 MSW Lgndfill&C&D LF Ciglore w/(201 44 events 24,140 1,062,160 1;062,160
<br /> Groundwater Monitoring Wells(MW-1,MW-3,MW-3d,MW-9,MW-A,
<br /> MW-O,MW-C,MW-D,MW-E,MW-E deep,MW-F.
<br /> NfW-G,MW-H,MW-H deep,MW-k,MW-J,MW-K,MWA,MW-
<br /> L deep and MW-M,(4}Assessment Groundwater Monitoring Wells
<br /> (AMW-Is,AMW-]d,AMW-2s and AMW-2d,and(2)Surface Wa ter Sample
<br /> Locations(SW-2 and SW-3)and WOC Samples Analyzed Semi Annua lly
<br /> for 30 years.
<br /> 120 events 460 55,200 - 55,200
<br /> 270.00.00.0.0000-3503-561 Closure/Postclosure 6 Landfill Gas Wells Sampled and Analyzed Quarterly for 25 years.
<br /> 270-00-004}0000-3503-561 Closure/Postclosure Groundwater Remediation and Site Maintenance
<br /> 270-00.00.0-0000.3503-561 Closure/Postclosure Groundwater remedia ti on activities 1s yr 20,000 300,000 300,000
<br /> 270-00-00-07000-3503-561 Closure/Postclosure Fencing,Gates,Signs,etc. 30 yr 11000 30,000 30,000
<br /> 270-00-00-0-0000-35p3-561 Closure/Postclosure Access goads 3D yr 2,000 60,000 60,000
<br /> 270-00-00.0-0000-3503-561 Closure/Postclosure Mowing 30 yr 5,100 153,000 153,000
<br /> 270-00-00-0-0000-3503-561 Closure/Postclosure Stormwa ter Structures 30 yr 5,000 150,000 150,000
<br /> 270-00-00-9-0000-3503,561 Closure/Postclosure Final Cover System Inspection&Repair 30 yr 15,000 450,000 450,000
<br /> 270-0000-0-0000-3503-561 Clasure/PostClosure Groundwater and Gas Monitoring Wells 30 yr 1,0()0 30,000 311,000
<br /> 270-00-00-0-00003503-561 Closure/Postclosure Admin.,Recordkeping,and Engineering(Intl,annual fees) 30 yr 20,000 600,000 (600,000) _ -
<br /> Subtotal 3,148,760 (600,000) 2,548,760
<br /> 270-00-00-0-00003503-561 Closure/Postclosure Contingency (5%of Subtotal) 157,438 - (157,438)_ -
<br /> TOTAL 3,306,198 {600,000} 157,438) 2,548,760
<br /> ANNUAL COST 115,406 `.10,207
<br /> -:GRAND FO FAIL $4,015,810
<br /> Adjujimen
<br /> Adj 111-CaL�rrus County provides administrative services. External admini5travice service providers would not be engaged.
<br /> s
<br /> Adj N2-Opiations are projected to continue until 2018,given normal volumne. At that point,contlgency
<br /> costs will h42 evaluated.
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<br /> F-5 Page 147
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