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Closure Cost Estimate <br /> Foundations&Buildings <br /> Project Name: Silo-Reclamation Plan <br /> Date of Submittal: 5/6/2019 <br /> File Name: SRCE for Silo V2.xlsm <br /> Model Version:Version 1.4.1 <br /> Cost Data:User Data <br /> Cost Data File:SRCE_Cost_data_NMC_20209BP_17Apr.xlsm <br /> Cost Estimate Type:ARID Cost Basis:Newmont CC&V FASB <br /> Buildings&Foundation Demolition Cost Summary <br /> Labor hquipment Materials lotals <br /> Building Demolition Cost $741 $544 N/A $1.285 <br /> Wall Demolition Cost $5.630 $427 N/A $6,057 <br /> Slab Demolition $224 $956 N/A 1,180 <br /> Subtotal Demolition $6,595 $1,927 $0 $8,522 <br /> Cover Placement Cost s0 s0 N/A $0 <br /> Growth Media Placement Cost s0 $0 N/A $0 <br /> Ripping/Scarifying Cost $0 so N/A $0 <br /> Subtotal Earthworks SO SO $2 $0 <br /> Revegetation Cost i 0 $0 $0 $0 <br /> TOTALSI $6,5951 $1,927 $0 $8,522 <br /> Buildings&Foundation-Calculations <br /> Building Volume Calculations <br /> Using Means Heavy Construction Cast Data(2004)calculates cubic feet from building dimensions <br /> Estimage slab thickness and wall thickness if not known <br /> Assumes that all concrete slabs are reinforced <br /> Productivity for crew from Means Heavy Construction Cost Data(2004)adjusted for supervision <br /> (addressed in Misc.Costs)and Davis-Bacon Wage Rates <br /> Demolition costs do not include hauling or disposing if debris-Use Waste Disposal module <br /> Slab Demolition Calculations <br /> Minimum 1 hr excavator time for slab demolition <br /> Cover Volume Calculation <br /> Foundation area x cover thickness <br /> If"Bury in Place"is selected as slab demolition method,cover thickness is adjusted such that <br /> total cover(cover+growth media)equals value entered in"Minimum thickness of cover over unbroken slab"cell above <br /> Ripping/Scarifying Calculations <br /> Flat area width=Final flat area-Average long dimensions <br /> Number of passes=Flat area width+Grader width <br /> Travel distance=Number of passes x Average long dimensions <br /> Total hours=(Travel distance+Grader productivity)+(Number of passes x Grader maneuver time) <br /> Revegetation <br /> Minimum 1 acre revegetation crew time per area <br /> 5/7/2019 <br /> Page 3 of 6 Foundations&Buildings <br />