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<br />Surface Blasting Work cont'd
<br />Task # : Old
<br />sheet 2 of 2
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<br />BLASTING MATERIALS QUANTITIES d.,. ,.'. A. >v..>-4 >g
<br />QUANTITY ,4 >;
<br />UNIT
<br />Total quantity of stemming required 43.61 cubic yards
<br />Total quantity of explosives required 24,111 ounds
<br />Total quantity of det. cord/fuse/wire required 9,372 lin. feet
<br />Quantity of blasting caps used per blasthole 1 cap(s)
<br />Tolal quantity of blasting caps required 228 caps
<br />Quantity of primers used per blasthole 1 dmer(s)
<br />Total quantity of primers required 228 rimers
<br />Quantity of delays used per blasthole 1 delay(s)
<br />Total quantity of delays required 230 delays
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<br />HOURLY EQUIPMENT COST Shift basis : f per day Data source : (CRG data)
<br />Description
<br />Drilling equipment -Drill : REEDRILL SK451, 9.0 in.
<br />- Drill pad preparation : NA
<br />Misc. drilling support equipment : A
<br />Misc. explosives support equipment : NA
<br />Explosives delivery/prep. -Bulk truck : NA
<br />-Cap truck : NA
<br />Cost Breakdown : Drilling
<br />Equipment Drill Pad
<br />Preparation Misc. Drill
<br />Support Misc. Expl.
<br />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: $f21.17 NA NA NA NA NA
<br />Ripper or att. 2 operating $/hr : $3.38 NA NA NA NA NA
<br />Operator+addifional labor $/hr : $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 />COST
<br /> Description Unit Unit Cost Quantity Total Cost
<br />Blastingagent: BulkANFOnom.density pound $0.177 24,111.17 $4,267.68
<br />Primers or boosters : Cast primer, 0.3Ib each $2.125 228.00 $484.50
<br />Blasting caps : on-electric cap, inst. each $2.837 228.00 $646.84
<br />Det. cord, fuse or wire : Detonating cons, 10 gr/ff. linear foot $0.087 9,371,56 $815.33
<br />Delays : S connectors each $3.615 230.00 $831.45
<br />Miscellaneous : Stemming, 1.5 in. gravel cu. yd. $28.80 43.61 $1,255.91
<br />Drill bits": bit life= 1,750.0 linear feet $2,155.00 2.11 $4,548.40
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<br />'bit life unit =linear fool bit cost unit =each (per bit) Total materials cost : $12,850.10
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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 : 3, 694 linear feet Job efficiency factor : 0.67 (Ch. Exc. HB)
<br />Unadjusted drilling rate : 82.00 feet/hour Adjusted drilling rate : 49.45 feet/hour
<br />Drilling time : 74.70 hours Explosives prep. time : 41.15 hours
<br />JOB TIME AND COST
<br />unit cost : $0.753
<br />Total job time : 115.85 hours
<br />cu. yd. Total job cost : $31,568
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