PERMFILE135380

• Permit No: C1980005
• IBM Index Class Name: Permit File
• Doc Date: 3/27/2007
• Doc Name: Bond Calculation
• Section_Exhibit Name: Tab 13 Attachment 13-1
• Media Type: D
• Archive: No

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Surface Blasting Work conYd
Task # : 022
sheet 2 of 2
BLASTING MATERIALS QUANTITIES QUANTITY UNIT
Total quantity of stemming required 4.83 bit yards
Total quantity of explosives required 1,050 ounds
Total quantity of det. cord/fuseMrire required 1,480 lin. feet
Quantity of blasting caps used per blasthole 1 cap(s)
Total quantity of blasting caps required 34 caps
Quantity of primers used per blasthole 1 rimers)
Total quantity of primers required 34 primers
Quantity of delays used per blasthole 1 delay(s)
rro~l rn~anfihr of delavs required ~ 35 delays
HOURLY EQUIPMENT COST
Drilling equipment -Drill
- Drill pad preparation
Misc. drilling support equipment
Misc. explosives support equipment
Explosives delivery/prep. -Bulk truck
r.,.. ~.,,.a.
Shift basis : 1 per day Data source : (CRG data)
in.
Tmek Rr4 45K
Cost Breakdown : Drilling
Equipment Drill Pad
Preparation Misc. Drill Misc. Expl.
Support Support Explosives Delivery
Bulk Truck Cap Truck
Import data filename : drilling NA NA NA NA misctruk
Utilization -machine+att. no. 1 : 100 NA NA NA NA 50
-ripper or attachment no. 2 :
Equipment ownership $/hr : NA
$53.37 NA
NA NA
NA NA
NA NA
NA NA
$12.94
Machine+att. 1 operating $/hr : $71.57 NA NA NA NA $9.70
2 operating $/hr :
Ripper or att $0.00 NA NA NA NA $0.00
.
Operator+additional labor $/hr :
Unit subtotals : $19.26
$144.20 NA
$0.00 NA
$0.00 NA
$0.00 NA
$0.00 $21.98
$44.63
Number of units : 1 C ~ 0 0 0 1
Group subtotals : $144.20 $0.00 $0.00 $0.00 $0.00 $44.63
I oral wont ream cgsmrour . a roo.w
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MATERIALS COST
Description Unit Unit Cost ~ Quantity Total Cost
Blasting agent : Bulk ANFO nom. density pound $0.191 1,049.91 $200.53
Primers or boosters : Cast primer, 0.516 each $2.607 34.00 $88.64
Blasting caps : on-electric cap, delay each $2.755 34.00 $93.67
Det. cord, fuse or wire : Detonating cord, 15 gr/R. linear foot $0.098 1, 479.50 $144.99
Delays : MS connectors each $3.894 35.00 $136.29
Miscellaneous : one required - NA $0.00 0.00 $0:00
Drill bits' : bit I'de = 1,750.0 linear feet $2,155.00 0.19 $418.69
bit life unit =linear foot, bit mst unit =each (per bit)
I Otal maTenalS COST : bT,UdL.tl7
L~,~!I ~ i~~'~ ~~'. i..
DRILLING AND EXPLOSIVES PREPARATION TIME
Job Condition Correction Factors - Site altitude : 7,500 feet
Altitude adjustment : 0.95 (DMG est.)
Total drilling length : 340 linear feet Job effiaency factor : 0.67 (Ch. Exc. HB)
Unadjusted drilling rate : 82.00 feeUhour Adjusted drilling rate : 52.19 feet/hour
Drilling time : 6 51 hours Explosives prep time 5 96 hours
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JOB TIME AND COST , Total job time : .
12.48 hours
Total unit cost : $1.253 per cu. yd. Total job cost : $2,288

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