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<br />Surface Blasting Work cont'd
<br />Task # : Off
<br />sheet 2 of 2
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<br />BLASTING MATERIALS QUANTITIES QUANTITY UNIT
<br />Total quantity of stemming required 13.77 cubic yards
<br />Total quantity of explosives required 7,814 ounds
<br />Total quantity of det. cordffuse/wire required 2,988 lin. feet
<br />Quantity of blasting caps used per blasthole 1 cap{s)
<br />Total quantity of blasting caps required 72 caps
<br />Quantity of primers used per blasthole 1 dmer(s)
<br />Total quantity of primers required 72 rimers
<br />Quantity of delays used per blasthole 1 delay(s)
<br />Total quantity of delays required 74 delays
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<br />HOURLY EQUIPMENT COST
<br />- Odll pad preparation
<br />Misc. drilling support equipment
<br />Shift basis : 1 per day
<br />in.
<br />Data source : (CRG data)
<br />- Cap truck
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<br />Cost Breakdown : Drilling
<br />Equipment Drill Pad
<br />Preparation Misc. Drill Misc. Expl.
<br />Support Support Explosives Delivery
<br />Bulk Truck 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 : $74.24 NA NA NA NA NA
<br />Machine+att. 1 operating $mr : $121.17 NA NA NA NA NA
<br />Ripper or att. 2 operating $/hr : $3.38 NA NA NA NA NA
<br />Operator+additional labor $thr : $51.79 NA NA NA NA NA
<br />Unit subtotals : $250.57 $0.00 $0.00 $0.00 $0.00 $0.00
<br />Number of units : 1 D 0 0 0 0
<br />Group subtotals : $250.57 $0.00 $0.00 $0.00 $0.00 $0.00
<br />Total work team cosUhour : $250.57
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<br />MATERIALS COST
<br /> Description Unit Unit Cost Quantity Total Cost
<br />Blasting agent : Bu1kANF0 nom. density pound $0.177 7,614.05 $1,347.69
<br />Primers or boosters : Cast primer, 0.31b each $2.125 72.00 $153.00
<br />Blasting caps : on-etecfric cap, inst. each $2.837 72.00 $204.26
<br />Det. cord, fuse or wire : etonating cord, 10 gr/R. linear foot $0.087 2,988.04 $259.96
<br />Delays : S connectors each $3.615 74.00 $267.51
<br />Miscellaneous : Stemming, 1.5 in. gravel cu. yd. $28.80 13.77 $396.60
<br />Drill bits': bit life= 1,750.0 linear feet $2,155.00 0.67 $1,436.34
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<br />' bit life unit =linear foot, bit cost unit =each (per bR) Total materials cost : $4,065.36
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<br />DRILLING AND EXPLOSIVES PREPARATION TIME
<br />Job Condition Correction Factors - Site altitude : 7,800 feet
<br /> Altitude adjustment : 0.90 (OMG est.)
<br />Total drilling length : 1,166 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 : 23.59 hours Explosives prep. time : 13.00 hours
<br />JOB TIME AND COST
<br />Total unit cost : $0.753 per cu.
<br />Total job time : 36.59 hours
<br />Total job cost: $9,976
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