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Exhibit L: (total bond calculation overview) <br /> Total Backfilling volume required at conditional limit(2000')... 228,147 tons soil <br /> Total topsoil cover @ 10" depth over 43.3 acres................... 63,780 tons soil <br /> Total volume of soil and subsoil to be moved....................... 291,197 tons <br /> Equipment used for moving soils: <br /> 345 Track-hoe, Owning and Operating Costs (actual) <br /> $93.80/hr. + $32.75/hr. (operator+burden)_ $126.55/hr. <br /> Cat 730 (30T Haul Trucks, Owning and Operating Costs (actual) <br /> $68.21 +28.82 (operator+burden) _ $97.03/hr. x 2 =$194.06/hr. <br /> Total Haulage Cost per hour...................................$320.61 <br /> Estimated Equipment hours necessary to move soils....... 492 <br /> Estimated Equipment and Labor Cost to move soils................... $157,740.00 <br /> Estimated Cost to finish grade 50 acres x $100/acre.................. $5,000.00 <br /> Estimated Cost to purchase seed mix, 50 acres x $150/ac.............. $7,500.00 <br /> Estimated Cost to apply seed, 50 acres x $100/ac........................ $5,000.00 <br /> Existing bond identified for building demolition........................ $17,700.00 <br /> Total Reclamation Cost Estimate....................................... $192,940.00 <br /> Add 22%administration, margin, overhead........................... $42,447.00 <br /> Total Bond Required, 50 acres disturbed land........................ $235,387.00 <br /> Current Bond in place.................................................... $202,973.00 <br /> Proposed Bond Increase to cover 50 acres of disturbance, <br /> Up to 2000' linear feet of 40' highwall exposed..................... $32,414.00 <br />