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• SENECA II-W/YOAST MONITOR WELLS <br />Exhibit E <br />Bond Calculations (Rounded Off) <br />Total surface area to be graded and reseeded: <br />20 drill pads 50'x50' = 1.1 acres <br />.9 miles light use road 10 ft. wide = 1.1 acres <br />Estimated Costs <br />1. Regrade drill pads and roads (including sediment control) <br />1.5 hours per pad x 20 pads = 30 hours <br />.9 miles at 250 ft per hour = 19 hours <br />Total hours = 49 x $50/hour = $2,450 <br />2. Reseed drill pads and roads <br />2.3 total acres x $250/acre = $ 575 <br />• 3. Sealing wells (after monitoring) with bentonite slurry or cement <br />Drill rig and water truck used to abandon wells <br />2,450 feet to be abandoned <br />4 bags bentonite per 100 feet of 4-inch well <br />98 bags bentonite x $7.50/bag = $ 735 <br />Equipment and Labor: 1 hour/alluvial well = 9 hours <br />6 hours/bedrock well = 66 hours <br />Total hours - 75 hours x $80/hr = E6 ,000 <br />4. Surface sealing (cement plug) <br />$30/hole x 20 holes = $ 600 <br />5. Summary 1. Regrading costs <br />2. Reseeding costs <br />3. Well abandonment <br />4. Surface sealing <br />Total Bond Calculation <br />• Bond Amount <br />$2,450 <br />575 <br />6,735 <br />600 <br />$10,360 <br />$10,400 <br />