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Surface Blasting Work Cont'd Task# 09B Page 3 of 3 <br />DRILLING AND EXPLOSIVES PREPARATION TIME <br />Job Condition Corrections: <br />JOB TIME AND COST <br />Unit cost: <br />Total Drilling Length: <br />Unadjusted Drilling Rate: <br />Drilling Time: <br />Site Altitude: <br />Altitude Adjustment: <br />Job Efficiency Factor: <br />Adjusted Drilling Rate: <br />Explosives Prep. Time: <br />$2.766 per cu. yd. <br />1,760 <br />112.00 <br />24.69 <br />6,600 <br />0.95 <br />0.67 <br />71.29 <br />26.52 <br />Total Job Time: <br />Total Job Cost: $16,608.26 <br />Total Materials Cost: $8,755.56 <br />linear feet <br />feet/hour <br />hours <br />feet <br />(DRMS est.) <br />(CH. Exc. HB) <br />feet/hour <br />hours <br />51.21 Hours <br />CIRCES Cost Estimating Software <br />