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Menzer Quarry -Bond Estimation Total Permit Area = To[al Affected Area = Land Area Reclaimed = file name: BND MD3.WQ1 172.5 acres 141.4 acres 33.7 acres Model Title = Phase 1 with all of Planned Reclamation Model Description = All anticipated reclamation completed. Some unreclaimed final benches. Remaining benches are internal form. Internal benches are calculated at 1.5 times final lengths. Total Area in Model = 99.8 acres Assumed Reclaimed = 33.7 acres Needing Reclamation = 66.1 acres Area Final Benched = 3.2 acres (unreclaimed) Area Internal Benched = 13.2 acres Floor Area = 49.7 acres Bench Backfilling - Final Benches: ~,~ - ~~ Area Final Benched = 3.2 acres Total Bench Length = 1763 feet Mean Bench Width = 50 feet ~ Bench Area = 88150 sq ft Fill slope gradient = 10 _ to 1 ~ ~ ` Backfill Max Depth = 5 feet ~ 5' trees; 3' grass Backfill x-sec area = 125 1 sq ft ~ '~ Total Backfill Volume = 220375 cu tt ~ r . _ Total Backfill Volume = 8162 cu yds Internal Benches Area Internal Benched = 13.2 acres To[al Bench Length = 14296 feet Mean Bench Width = 25 feet Bench Area = 357450 sq ff Fill slope gradient = 5 to 1 Backfill Max Depth = 5 feet 5' trees; 3' grass Backfill x-sec area = 62.5- ;sq ft Total Backfill Volume = 893625.00 cu tt ~~ ? ~ - / / Total Backfill Volume = 33097 cu yds Total Backfill Volume = 41259 cu yds Percent Native rock = 20.0°,6 Additional fill = 33007 cu yds Cost / cu yd = $0.75 Backfill cost = $24,755.56 /J l ~:' r~ D / J 1 f ~ (f~` t (i' f/ i ~. C ` to~s ~ 1,.. ~~ ~) ~-/~ f