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DRILLING AND EXPLOSIVES PREPARATION TIME <br />Total Drilling Length: <br />Unadjusted Drilling Rate: <br />Drilling Time: <br />Job Condition Corrections: <br />Site Altitude <br />Altitude Adjustment <br />Job Efficiency Factor <br />Adjusted Drilling Rate <br />Explosives Prep. Time <br />JOB TIME AND COST <br />Unit cost: $1.138 per cu. yd <br />61,086 <br />linear feet <br />82.00 <br />feet /hour <br />1,23 5.40 <br />hours <br />7,800 <br />feet <br />0.90 <br />(DRMS est.) <br />0.67 <br />(CH. Exc. HB) <br />49.45 <br />feet/hour <br />232.10 <br />hours <br />Total Job Time: 1,467.50 Hours <br />Total Job Cost: $1,290,442.21 <br />CIRCES Cost Estimating Software <br />