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<br />SMUGGLER MINE SITE <br />6 1 EXHIBIT D <br />SPREADSHEET 3. REVEGETATION (PER ACRE) <br /> Labor I:aui Material Total <br />Seedbed preparation $50 $50 <br />Mulch @ 2 Ton/acre $100 $60 $200 $360 <br />Initial fertilization (10016s) $15 $10 $60 <br />Seeding $IS $10 $242 $267 <br />Maint. fertilization (10016s) $IS $10 $35 $60 <br />Weed control $40 $20 $50 $ 110 <br />Shrubs $100 $10 $200 <br />Cost per acre <br />Ripping <br />$1,217 <br />The main mine bench will be ripped because of the compaction caused by cars through the <br />years. <br />SPREADSHEET 4. RIPPING (24" DEPTHt) <br /> Value nit <br />D8N, 3 shank, gauge 7.1 Ft <br />Ripping width 10.0 Ft <br />Avg. speed 1 mph 8.8 Ft/min. <br />Length of avg. pass 200.0 Ft <br />Travel time 2.3 Min. <br />Maneuver time 0.4 Min. <br />Total Cycle time 2.7 Min. <br />@ 80% efficiency 3.3 Min/pass <br />Passes per acre 21.8 passes/ac. <br />2 passes required 43.6 passes/ac. <br />Time per acre 2.4 hours/ac. <br />Dozer rate 135 /hr <br /> $327 /acre <br /> <br />- 32 - SMUGGLER MINE SITE <br />