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Topsoil grading (per L.1.4) <br />• Subtotal = (22.6 acres)($260/acre) _ $5,876 <br />Reseeding (per L.1.7): <br />Subtotal = (22.6 acres)($156/acre) _ $3,526 <br />Item Total = $256,839 <br />L.2.1.2 Northwest Tailings Spillway <br />Upper vegetated channel section (per L.1.5.1) <br />Subtotal = (1,500 ft)($8.49/ft) _ $12,735 <br />Concrete-faced spillway section (per L.1.5.2) <br />Channel = (540 ft)($36.18/ft) _ $19,537 <br />Stilling Basin = (12.6 yd3)($180/cy) _ $2,268 <br />Subtotal = $21,805 <br />Lower Rip-rap armored channel (per L.1.5.3): <br />Subtotal = (995 ft)($30.88/ft) _ $30,726 <br />Item Total = $65,266 <br />L.2.1.3 Collection Pond <br />Serrate and fold liner into pond prior to fill placement . Time estimates per <br />previous cost estimates. <br />• Serrate and fold liner: <br />4 laborers $30.00/hour = $120/hour <br />4 hours per previous eskimate. <br />Subtotal =$480 <br />Pond Backfilling: <br />6 Tandem Highway Dump trucks at $65/hr = $390/hr <br />1 Loader at $130/hr <br />Pond volume per previous estimate = 1,200,000 ft3 <br />Time estimate (pre previous estimate) = 123 hours <br />Subtotal = (123 hours)($390/hr + $130/hr) _ $63,960 <br />Item Total = $64,440 <br />Total tailings azea outstanding obligation = $386,545 <br />L.2.2 Water Tank Demolition and Disposal <br />Remove and salvage 225,000-gallon, plate-steel water tank. Assume 1 week for 2 <br />laborers and 1 hydraulic excavator with thumb, no salvage value and no disposal cost. <br />Item Total = $7,200 <br /> <br />Battle Mountain Resources, Inc. <br />L-5 <br />Telesto Solutions, /nc. <br />July 2006 <br />P:tPmjecvsV.l2-Newmom(SViLUis)\SenLUis~P¢rmd Amendment- West Pit Matugemem~PermiWmendmeN v3.JOc <br />