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<br />Surface Blasting Work cont'd
<br />Task # : 016
<br />sheet 2 of 2
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<br />BLASTING MATERIALS QUANTITIES A.>z,><,.
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<br />QUANTITY
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<br />UNIT
<br />Total quantity of stemming required 34.81 cubic yards
<br />Total quantity of explosives required 19,247 unds
<br />Total quantity of del. cord/fuselwire required 7,489 lin. feet
<br />Quantity of blasting caps used per blasthole 1 cap(s)
<br />Total quantity of blasting caps required 182 caps
<br />Quantity of primers used per blasthole 1 dmer(s)
<br />Total quantity of primers required 182 dmers
<br />Quantity of delays used per blasthole 1 delay(s)
<br />Total quantity of delays required
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<br />HOURLY EQUIPMENT COST
<br />Shift basis : 1 per day
<br />Data source : (CRG data)
<br />Drilling equipment -Drill .REEDRlLL SK451, 9.0 in.
<br />- Drill pad preparation : A
<br />Misc. drilling support equipment NA
<br />Misc. explosives support equipment .NA
<br />Explosives delivery/prep. -Bulk truck :NA
<br />-Cap truck
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<br />Cost Breakdown : Drilling
<br />Equipment Drili 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 $/hr : $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 $Rv : $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 0 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
<br />MATERIALS COST
<br /> Description Unit Unit Cost Quantity Total Cost
<br />Blasting agent: u1kANFOnom.density pound $0.177 19,246.63 $3,406.65
<br />Primers or boosters : Cast primer, 0.31b each $2.125 182.00 $386.75
<br />Blasting caps : on-electric cap, Inst. each $2.837 182.00 $516.33
<br />Det. cord, fuse or wire : etonating coN, 10 grJR. linear foot $0.067 7,489.24 $651.56
<br />Delays : MS connectors each $3.615 184.00 $665.16
<br />Miscellaneous : Stemming, 1.5 in. gravel cu. yd. $28.80 34.81 $1,002.52
<br />Drill bits': bit life= 1,750.0 linearfeet $2,155.00 1.68 $3,630.74
<br /> 'bit Cite unit =linear toot, bit cost unit =each (per bit) Total matedats cost : $10,259.73
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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 (DMG est.) -
<br /> Total drilling length : 2,948 linear feet Job efficiency factor : 0.67 (Ch. Exc. HB)
<br />• Unadjusted drilling rate : 82.00 feeVhour Adjusted drilling rate : 49.45 feeUhour
<br /> Driliinq time : 59.63 hours Explosives prep. time : 32.85 hours
<br />JOB TIME AND COST Total job time : 92.48 hours
<br />Total unit cost : $0.753 per cu. yd. Total job cost : $25,201
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