Laserfiche WebLink
Surface Blasting Work Cont'd Task#001 Page 3 of 3 <br /> DRILLING AND EXPLOSIVES PREPARATION TIME <br /> Total Drilling Length: 1,191 linear feet <br /> Unadjusted Drilling Rate: 82.00 feet/hour <br /> Drilling Time: 22.83 hours <br /> Job Condition Corrections: <br /> Site Altitude: 6,100 feet <br /> Altitude Adjustment: 0.95 (DRMS est.) <br /> Job Efficiency Factor: 0.67 (CH.Exc.HB) <br /> Adjusted Drilling Rate: 52.19 feet/hour <br /> Explosives Prep.Time: 31.72 hours <br /> JOB TIME AND COST <br /> Total Job Time: 54.55 Hours <br /> Unit cost: $8.897 per cu.yd. Total Job Cost: $41,237 <br /> CIRCES Cost Estimating Software <br />