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Ref. Page No.M2009-006 00124 <br /> COLORADO QUARRY 1,LLC PERMIT NO.: M-2009-006 <br /> Regular Operation(112)Reclamation PermitApplication Exhibit L(6.4.12) <br /> Reclamation Cost Estimation <br /> Date: 11-Mar-25 <br /> Site: Meadow Hollow Quarry,Berthoud,Larimer County,Colorado <br /> Agency/Organization: Colorado DNR,Division of Reclamation,Mining and Safety <br /> Permit/Job Action: 110-112 Conversion <br /> Task Description: Rip 11 acres of non-mined area <br /> Task Detail No.: 002 <br /> Basic Machine: Dozer Fleet: 1 Operating Cost/Hour: $ 45.28 (Incl.Labor) <br /> Shift Basis: 8 hour <br /> Ownership Cost/Hour: $ 40.38 <br /> Basic Machine Operating Cost/Hour: $ 45.28 <br /> Misc. Cost/Hour: $ 1.85 <br /> Total Unit Cost/Hour: $ 87.51 <br /> Total Fleet Cost/Hour: $ 87.51 <br /> Selected estimating method: Area Rip depth: 1 ft. <br /> Area: 11.00 acres Volume: 17,747 BCY or CCY <br /> Alternate Methods-- <br /> Seismic- Seismic velocity: N/A ft/sec. <br /> Unadjusted production: N/A cu.yds/hr. <br /> Area- Avg.ripping depth: 1 feet per pass <br /> Avg.ripping width: 7.08 feet per pass <br /> Avg.ripping length: 210 feet per pass <br /> Avg.dozer speed: 88 feet/minute <br /> Avg.maneuver time: 0.25 minutes/pass <br /> Production per unit area: 0.77 acres/hour <br /> Unadjusted production: 1253.24 cu.yds./hour <br /> Average site altitude: 5,680 feet <br />