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Task # 001.0 Highwall Backfill Volume Estimate <br /> PROJECT: Hale Pit a.k.a. Earl's Pit <br /> PERMIT No.: M-1981-121 LEGEND <br /> HIGHWALL LOCATION: 2H:1V Highwalls Input <br /> Result <br /> Highwall Length = 698 ft <br /> Backfill Volume per <br /> unit Length = 50 ft2 <br /> 2. <br /> Total Backfill Vol. = 34,900 ft3 <br /> Estimated 1.0 OR 1,293 CY <br /> Average <br /> Highwall Reclaimed Grade <br /> Height= 10 ft Existing or 32 ft slope length <br /> Mined Slope surface <br /> Grade area 22,073 ft2 <br /> 1.0 OR 0.51 Acres <br /> 3.0 <br /> Summary <br /> 20 ft 10 ft Highwall ID Fill Vol. (CY) Length Ft) <br /> A 5,304 1,432 <br /> HIGHWALL BACKFILL VOLUME ESTIMATE B 1,047 377 <br /> C 1,293 698 <br /> Total: 7,644 2,507 <br /> C:\Users\tc1\Documents\Projects\_EI Paso\M-81-121 Hale Pit\Inspections\HighwallRecl.xlsx//Backfill 2 to 1 Highwalls <br />