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Page 6 of 150 <br /> <br />CIRCES Cost Estimating Software <br />Delays: <br />MS connectors (non- <br />electric systems) Each $4.924 256.000 $1,260.54 <br />Miscellaneous: <br />Stemming, 1.5 in. gravel <br />(inert blasthole packing- <br />imported) Cu. yd. $27.244 49.972 $1,361.43 <br />Drill bits: Bit life = 1,750 Linear feet $2,156.30 3.164 $6,822.78 <br /> Total Materials Cost: $18,990.36 <br /> <br /> <br /> <br />DRILLING AND EXPLOSIVES PREPARATION TIME <br /> Total Drilling Length: 5,537 linear feet <br /> Unadjusted Drilling Rate: 82.00 feet/hour <br /> Drilling Time: 100.79 hours <br /> <br />Job Condition Corrections: <br />Site Altitude: 5,000 feet <br /> Altitude Adjustment: 1.00 (DRMS est.) <br /> Job Efficiency Factor: 0.67 (CH. Exc. HB) <br /> Adjusted Drilling Rate: 54.94 feet/hour <br /> Explosives Prep. Time: 47.03 hours <br /> <br />JOB TIME AND COST <br /> <br /> Total Job Time: 147.82 Hours <br /> <br />Unit cost: <br /> <br />$1.144 <br /> <br />per cu. yd. <br /> <br />Total Job Cost: <br /> <br />$55,290 <br />