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Task # 001.6 Highwall Backfill Volume Estimate <br /> PROJECT: Hale Pit a.k.a. Earl's Pit <br /> PERMIT No.: M-1981-121 LEGEND <br /> HIGHWALL LOCATION: 1.5H:1V Highwalls `Input <br /> I <br /> Highwall Length = 377 ft <br /> Backfill Volume per <br /> unit Length = 75 ft2 <br /> 1.5 <br /> Total Backfill Vol. = 28,275 ft3 <br /> Estimated 1.0 OR 1,047 CY <br /> Average <br /> Highwall Reclaimed Grade <br /> Height= 10 ft Existing or 32 ft slope length <br /> Mined Slope surface <br /> Grade area 11,922 ft2 <br /> 1.0 OR 0.27 Acres <br /> 3.0 <br /> 15 ft 15 ft <br /> HIGHWALL BACKFILL VOLUME ESTIMATE <br /> C:\Users\tcl\Documents\Projects\_El Paso\M-81-121 Hale Pit\Inspections\HighwallRecl.xlsx//Backfill 1_5 to 1 Highwalls <br />