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Attachment I <br />ASSUMPTIONS AND COSTS USED FOR RECLAMATION <br />BOND ESTIMATE <br />Equipment Cost - From Dataquest 'Cost Reference Guide' <br />Item Owning & Operating Labor Total <br /> ($1/hr) ($1/hr) ($1/hr) <br />126 Cat Grader 34.40 18.00 52.40 <br />D7 Cat Dozer 50.73 18.00 68.73 <br />980C Cat Loader 67.91 18.00 85.91 <br />20 cu-yd On/Off 40.07 18.00 58.07 <br />126 Grader - Productivity <br />• One way grading only <br />• • 12 foot blade <br />• 91% eff.(55min/hr) <br />• 20% overlap <br />• 2.3 mph average grading speed <br />PRODUCTIVITY <br />[(1.15mph)X(5,280ft/mi)X(12ft blade)X(0.80L.) <br />X(0.91eff.)]/(43,560ftz/ac) = 1.22ac/hr <br />• <br />-5- <br />