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EXHIBIT L RECLAMATION COSTS <br /> The Hayden Gravel Pit will have a bond to cover the worst-case reclamation scenario. Prior to <br /> opening the first proposed pit, the operator/applicant will post the necessary bond. The worst- <br /> case reclamation scenario will occur when Pod 3 is mined out. A portion of Pod 1 and Pod 3 will <br /> need topsoiling. Pod 1 will not need backfilling or grading, as that will have been completed on <br /> the whole pod, with no more than 20 acres of Pod 1 still needing topsoiling and revegetating. <br /> Pod 3 will need highwall backfilling, topsoiling, and revegetation. Pod 2 will be reclaimed <br /> completely at this point. Reclamation at this stage will include backfilling and grading the mining <br /> slopes. All disturbed areas in both the pit and the processing area will be topsoiled and <br /> vegetated. All structures will need to be removed from the site. A detailed breakdown of the <br /> reclamation cost is shown in Table L-1. <br /> Table L-1 Pod 1 Reclamation Bond Calculation <br /> I Description Material Unit Unit Cost Cost <br /> Quantity <br /> Removal of office,scale house,and scale N/A N/A $2500 $2,500 <br /> allportable) <br /> Pod 3 hi hwall backfilling. 81,700 CY $1.50 $122,550 <br /> Topsoiling to 12 inches deep the 117,612 CY $1.50 $18,225 <br /> disturbed area of 72.9 acres total(Pods 1 <br /> &3 <br /> Discing of topsoil to a depth of 12 inches 72.9 j acres $250 $23,693 <br /> over 72.9 acres. <br /> Seeding of 72.9 acre disturbance area. 72.9 acres $325 $72,900 <br /> Assume a 25%failure rate via the unit <br /> cost. <br /> Mulching and crimping of mulch over 72.9 acres $1000 $72,900 <br /> 72.9 acre disturbance area j <br /> Weed control management for two years. N/A N/A $750 $1200 <br /> Subtotal $313,968 <br /> DRMS cost 28% $87,911 <br /> Total $401,879 <br /> Hayden Gravel Pit <br /> L-1 Lewicki&Associates <br /> December2022 <br />