Laserfiche WebLink
Surface Blasting Work cont'd Task #: 004 sheet 2 of 2 <br />I 7-D- <br />BLASTING MATERIALS QUANTITIES QUANTITY UNIT <br />Total quantity of stemming required 22.50 cubic yards <br />Total quantity of explosives required 3,399 pounds <br />Total quantity of det. cord/fuse/wire required 3,449 fin. feet <br />Quantity of blasting caps used per blasthole 1 cap(s) <br />Total quantity of blasting caps required 76 caps <br />Quantity of primers used per blasthole 1 nmer(s) <br />Total quantity of primers required 76 rimers <br />Quantity of delays used per blasthole i delay(s) <br />Total quantity of delays required 77 delays <br />HOURLY EQUIPMENT COST Shift basis : 1 per day Data source : (CRG data) <br />Drilling equipment - Drill :IREEDRILL SK35, 9.0 in. <br />- Drill pad preparation : NA <br />Misc. drilling support equipment: NA <br />Misc. explosives support equipment: NA <br />Explosives delivery/prep. - Bulk truck :NA <br />- Cap truck <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 NA NA <br />Utilization -machine+att. no. 1 : 100 NA NA NA NA NA <br />-ripper or attachment no. 2 : 100 NA NA NA NA NA <br />Equipment ownership $/hr : $57.96 NA NA NA NA NA <br />Machine+att. 1 operating $/hr : $120.95 NA NA NA NA NA <br />Ripper or att. 2 operating $/hr : $4.80 NA NA NA NA NA <br />Operator+additional labor $/hr : $44.84 NA NA NA NA NA <br />Unit subtotals : $228.54 $0.00 $0.00 $0.00 $0.00 $0.00 <br />Number of units : 1 0 0 0 0 0 <br />Group subtotals : $228.54 $0.00 $0.00 $0.00 $0.00 $0.00 <br />Total work team cost/hour : $228.54 <br />MATERIALS COST <br /> Description Unit Unit Cost Quantity Total Cost <br />Blasting agent : Bulk ANFO nom. density pound $0.221 3,398.89 $751.15 <br />Primers or boosters : Cast primer, 0.3 /b each $2.728 76.00 $207.33 <br />Blasting caps : on-electric cap, inst. each $3.647 76.00 $277.17 <br />Det. cord, fuse or wire Detonating cord, 10 grAft. linear foot $0.112 3,448.50 $386.23 <br />Delays: S connectors each $4.648 77.00 $357.90 <br />Miscellaneous : Stemming, 1.5 in. gravel cu. yd. $29.06 31.97 $929.10 <br />Drill bits' : bit life = 1,750.0 linear feet $2,279.00 0.87 $1,979.47 <br />' bit life unit = linear foot, bit cost unit = each (per bit) Total materials cost : $4,888.36 <br /> <br />DRILLING AND EXPLOSIVES PREPARATION TIME <br />Job Condition Correction Factors - Site altitude : 8,000 feet <br /> Altitude adjustment : 0.90 (DMG est.) <br />Total drilling length : 1,520 linear feet Job efficiency factor : 0.67 (Ch. Exc. HB) <br />Unadjusted drilling rate : 82.00 feeUhour Adjusted drilling rate : 49.45 feeUhour <br />Drilling time : 30.74 hours <br />_ _ ,-- - <br />. _ Explosives prep. time : 13.96 hours <br />_ <br />JOB TIME AND COST Total job time : 44.70 hours <br />Total unit cost : $2.016 per cu. yd. Total job cost : $11,914 <br />