2011-11-09_PERMIT FILE - P2011030

• Permit No: P2011030
• IBM Index Class Name: PERMIT FILE
• Doc Date: 11/9/2011
• Doc Name: Technical issues addressed
• From: DRMS
• To: Silver Star Resources LLC
• Email Name: RCO
• Media Type: D
• Archive: No

Cycle Time Factors
Length
(feet)
Factor (min.)
Source
Material :
Material 3/4" to 6" diameter
0.000
(Cat HB)
Stockpile :
No adjustment - factor not applicable
0.000
(Cat HB)
Truck ownership :
No adjustment - factor not applicable
0.000
(Cat HB)
Operation :
Inconsistent operation
0.040
(Cat HB)
Dump target :
Fragile target
0.050
(Cat HB)
Haul and Return Time
Length
(feet)
Grade res.
( %)
Rolling res.
( %)
Total res.
( %)
Travel time
(minutes)
Data
Source
Haul route :
NA -user
NA -user
NA -user
NA -user
0.1500
(user)
Retum route :
100
0.00
8.00
8.00
0.0951
(Cat HB)
PROJECT IDENTIFICATION
Task # : 003 State : Colorado Permit/job # : P -2011 -030
Date : 11/07/2011 County : Ouray Abbreviation : none
User : RCO Site : Revenue Mine Exploration Filename : P030 -003
Agency or organization name :DRMS
Permit or other job action : New NO/
Task description : Carry and spread waste rock on dump
HOURLY EQUIPMENT COST Basic machine : CAT 906 Horsepower : 60
Attachment no. 1 : ROPS Cab Shift basis : 1 per day
Data source : (CRG)
Cost Breakdown :
MATERIAL QUANTITIES
Initial
volume : 2,866
HOURLY PRODUCTION
Loader Cycle Time
LCY
Source of quantity take -off :4300 tons, per plan
Source of estimated swell factor : NA
Job Condition Correction Factors
Site altitude : 10,650 feet
CIRCES Cost Estimating Software
WHEEL LOADER - LOAD AND CARRY WORK
Ownership cost/hour : $8.81
Operating cost/hour : $13.17
Operator cost/hour: $38.54
Total unit cost/hour : $60.51
Utilization %
NA
NA
Unadjusted hourly unit production : 70.21 LCY /Hr
Adjusted hourly unit production : 35.55 LCY /Hr
Adjusted hourly fleet production : 35.55 LCY /Hr
100
Swell Final
factor : NA volume : 2,866 LCY
(Cat HB)
Unadjusted basic cycle time (load, dump, maneuver) : 0.450 minutes
Net cycle time adjustment :
Adjusted basic cycle time :
Rolling Resistance - Road Conditions
Haul : Rutted dirt, little maintenance, no water, 1" tire penetration
Retum : Soft, rutted dirt, no maintenance or water, 4" tire penetration
Total fleet cost/hour : $60.51
0.090
minutes
0.540 minutes
Total travel time :
Total cycle time :
1.05 LCY (heaped) (Cat HB)
Loader Bucket Capacity
Rated capacity :
Bucket fill factor : 0.875 Loose material - 1 " and over (85 - 90%)
Adjusted capacity : 0.92 LCY
(program)
0.2451
minutes
0.785 minutes
Source
Altitude adjustment factor : 0.61 I (Cat HB)
Job efficiency factor : 0.83 I (1 shift/day)
Net correction : 0.51 multiplier
JOB TIME AND COST
Fleet size : 1 Loader(s) Total job time : 80.62 Hours
Unit cost : $1.702 /LCY Total job cost : $4,878