Laserfiche WebLink
Surface Blasting Work cont'd Task #: 004 sheet 2 of 2 <br />BLASTING MATERIALS QUANTITIES QUANTITY UNIT <br />Total quantity of stemming required 0.10 cubic yards <br />Total quantity of explosives required 1,387 pounds <br />Total quantity of det. cord/fuse/wire required 849 lin. feet <br />Quantity of blasting caps used per blasthole 1 cap(s) <br />Total quantity of blasting caps required 32 caps <br />Quantity of primers used per blasthole 1 rimer(s) <br />Total quantity of primers required 32 rimers <br />Quantity of delays used per blasthole 1 delay(s) <br />Total quantity of delays required 33 delays <br />HOURLY EQUIPMENT COST Shift basis : 1 per day Data source : (CRG data) <br />Description <br />Drilling equipment -Drill :ATLAS COPCO ROC L6, 6.0 in. <br />- Drill pad preparation :NA <br />Misc. drilling support equipment :NA <br />Misc. explosives support equipment: NA <br />Explosives delivery/prep. - Bulk truck: Water Tanker, 2,500 Gal. <br />- CaD truck: NA <br />Cost Breakdown : Drilling <br />Equipment Drill Pad <br />Preparation Misc. Drill Misc. Expl. <br />Support Support Explosives <br />Bulk Truck Delivery <br />Cap Truck <br />Import data filename : drilling NA NA NA misctruk NA <br />Utilization -machine+att. no. 1 : 100 NA NA NA 10 NA <br />-ripper or attachment no. 2 : NA NA NA NA NA NA <br />Equipment ownership $/hr : $59.20 NA NA NA $7.53 NA <br />Machine+att. 1 operating $/hr : $95.88 NA NA NA $1.55 NA <br />Ripper or att. 2 operating $/hr : $0.00 NA NA NA $0.00 NA <br />Operator+additional labor $/hr : $24.73 NA NA NA $19.49 NA <br />Unit subtotals : $179.81 $0.00 $0.00 $0.00 $28.57 $0.00 <br />Number of units : 1 0 0 0 1 0 <br />Group subtotals : $179.81 $0.00 $0.00 $0.00 $28.57 $0.00 <br />Total work team cost/hour : $208.39 <br />MATERIALS COST <br /> Description Unit Unit Cost Quantity Total Cost <br />Blasting agent : Bulk ANFO nom. density pound $0.207 1,386.75 $287.60 <br />Primers or boosters : Cast primer, a3lb each $2.484 32.00 $79.47 <br />Blasting caps: Non-electric cap, delay each $2.990 32.00 $95.67 <br />Det. cord, fuse or wire : Detonating cord, 10 gr./ft. linear foot $0.102 849.42 $86.30 <br />Delays: MS connectors each $4.226 33.00 $139.45 <br />Miscellaneous : none required NA $0.00 0.00 $0.00 <br />Drill bits * : bit life = 2,600.0 linear feet $1,639.00 a06 $92.79 <br />' bit life unit = linear foot, bit cost unit = each (per bit) Total materials cost : $781.29 <br /> <br />DRILLING AND EXPLOSIVES PREPARATION TIME <br /> Job Condition Correction Factors - Site altitude : 5,700 feet <br /> Altitude adjustment : 0.95 (DMG est.) <br />Total drilling length : 147 linear feet Job efficiency factor : 0.67 (Ch. Exc. HB) <br />Unadjusted drilling rate : 187.00 feet/hour Adjusted drilling rate : 119.03 feet/hour <br />Drilling time : 1.24 hours Explosives prep. time : 5.47 hours <br /> <br />JOB TIME AND COST Total job time : 6.70 hours <br />Total unit cost : $0.659 per cu. yd. Total job cost : $1,160 <br />