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Exhibit L -Table LS:Reclamation Cost Estimate
<br /> Black Mountain Sand Weld LLC Lost Creek Mine
<br /> Weld County,CO
<br /> Item Unit Est.Quantity Unit Cost Total Est.Amount
<br /> Scenario 1:Regrade Phase 1(Mined Yrs 1-10)
<br /> Earthwork and Regrading
<br /> Handling Backfill Stockpile Cyds 4,700,000 $1.35 $6,345,000
<br /> Regrade Disturbed Areas(Assumed 5:1 slope) Acre 281.3 $352.06 $99,035
<br /> Plant Demolition,including removal of all excess concrete` Lump Sum 1 $4,000,000.00 $4,000,000
<br /> Recycled Material Allowance Lump Sum 1 -$300,000.00 -$300,000
<br /> Reclaim Process Water &Slurry Ponds Lump Sum 2 $75,000.00 $150,000
<br /> Earthwork&Regrading Total $10,294,035
<br /> Topsoil Redistribution
<br /> Handling Topsoil Stockpile Cyds 276,000 1 $1.351 $372,600
<br /> Topsoil Redistribution Total $372,600
<br /> Establish Vegetation
<br /> Seed Bed Preparation Acre 281 $60.00 $16,878
<br /> Seed Mix(^12lbs./acre drill seeding) Lbs 3,376 $30.00 $101,268
<br /> Drill Seed Acre 281 $200.00 $56,260
<br /> Mulch(2 tons/acre weed free straw) Ton 563 $210.00 $118,146
<br /> Disk anchor Acre 281 $58.00 $16,315
<br /> Establish Vegetation Total 1 $308,867
<br /> `Estimated costs provided do not include demolition of the maintenance building/warehouse,office building,and associated road as these items will remain
<br /> after reclamation for use during agricultural activities.
<br /> Erosion Control
<br /> Slope Interception-Bioroll Linear Foot 3,930 $2.501 $9,825
<br /> Erosion Control Total $9,825
<br /> Total $10,985,328
<br /> Administrative(5%) $549,266
<br /> Regrade Phase 1 Total $11,534,594
<br /> Item Unit Est.Quantity Unit Cost Total Est.Amount
<br /> Scenario 2:Regrade Phases 2 thru 5(Mined Yrs 11-35)
<br /> Earthwork and Regrading
<br /> Handling Waste Stockpile Cyds 2,061,192 $1.35 $2,782,609
<br /> Regrade Disturbed Areas(Assumed 5:1 slope) Acre 1,515 $352.06 $533,306
<br /> Plant Demolition,including removal of all excess concrete' Lump Sum 1 $4,000,000.00 $4,000,000
<br /> Recycled Material Allowance Lump Sum 1 -$300,000.00 -$300,000
<br /> Reclaim Process Water &Slurry Ponds Lump Sum 2 $75,000.001 $150,000
<br /> Earthwork&Regrading Totall $7,165,914
<br /> *Estimated costs provided do not include demolition of the maintenance building/warehouse,office building,and associated road as these items will remain
<br /> after reclamation for use during agricultural activities.
<br /> Topsoil Redistribution
<br /> Handling Topsoil Stockpile Cyds 178,185 $1.351 $240,550
<br /> Topsoil Redistribution Total $240,550
<br /> Establish Vegetation
<br /> Seed Bed Preparation Acre 1,515 $60.00 $90,888
<br /> Seed Mix(-121bs./acre drill seeding) Lbs 18,178 $30.00 $545,328
<br /> Drill Seed Acre 1,515 $200.00 $302,960
<br /> Mulch(2 tons/acre weed free straw) Ton 3,030 $210.00 $636,216
<br /> Disk anchor Acre 1,515 $58.00 $87,858
<br /> Establish Vegetation 70-tali $1,663,250
<br /> Erosion Control
<br /> Slope Interception-Bioroll Linear Foot 26,680 1 $2.501 $66,700
<br /> Erosion Control Total $66,700
<br /> Total $9,136,414
<br /> Administrative(5%) $456,821
<br /> Regrade Phases 2-5 Total $9,593,235
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