2011-09-16_REVISION - M1977215

• Permit No: M1977215
• IBM Index Class Name: REVISION
• Doc Date: 9/16/2011
• Doc Name: TR-17 approval
• From: DRMS
• To: Rio Grande Silver, Inc.
• Type & Sequence: TR17
• Email Name: RCO
• Media Type: D
• Archive: No

Cycle Time Factors
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 :No adjustment - factor not applicable
0.000
(Cat HB)
Dump target :Nominal target
0.000
(Cat HB)
PROJECT IDENTIFICATION
Task # : 005 State : Colorado
Date : 09/16/2011 County :Mineral
User : RCO Site :Bulldog Mine
Agency or organization name : DRMS
Permit or other job action : TR -17
Task description : Carry topsoil to be spread
HOURLY EQUIPMENT COST Basic machine : CAT 928G Horsepower : 125
Shift basis : 1 per day
ata source : (CRG)
Cost Breakdown :
MATERIAL QUANTITIES
Initial
volume : 2,000 LCY
HOURLY PRODUCTION
Loader Cycle Time
Haul and Return Time
Source of estimated swell factor :NA
Haul route :
Return route :
Loader Bucket Capacity
Rated capacity :
Bucket fill factor :
Adjusted capacity :
JOB TIME AND COST
Fleet size :
Unit cost :
CIRCES Cost Estimatinq Software
WHEEL LOADER - LOAD AND CARRY WORK
Attachment no. 1 : ROPS Cab
Ownership cost/hour :
Operating cost/hour :
Operator cost/hour:
Total unit cost/hour :
Length
(feet)
2.62 LCY
Job Condition Correction Factors
Site altitude : 9,000 feet
Grade res.
( %)
1 Loader(s)
$0.451 /LCY
$14.80
$20.76
$38.54
$74.10
Swell
factor : NA
Source of quantity take -off :2.5 ac x 6 inch depth
Unadjusted hourly unit production : 198.01 LCY /Hr
Adjusted hourly unit production : 164.35 LCY /Hr
Adjusted hourly fleet production : 164.35 LCY /Hr
Rolling res.
( %)
Permit/job # : M -1977 -215
Abbreviation : none
Filename : M215 -005
Utilization %
NA
100
NA
Final
volume : 2,000 LCY
(Cat HB)
Unadjusted basic cycle time (load, dump, maneuver) : 0.500 minutes
Net cycle time adjustment :
Adjusted basic cycle time :
Rolling Resistance - Road Conditions
Haul :Rutted dirt, little maintenance, no water, 2" tire penetration
Return : Rutted dirt, little maintenance, no water, 2" tire penetration
200
200
5.00
-5.00
5.00
5.00
10.00
0.00
0.2251
0.0703
Total res.
( %)
Total travel time :
Total cycle time : 0.795
2.50 LCY (heaped) (Cat HB)
1.050 Other - moist loam (100 -110 %)
Altitude adjustment factor :
Job efficiency factor :
Net correction :
(Cat HB)
Total job time :
Total job cost :
Total fleet cost/hour : $74.10
0.000
0.500 minutes
Travel time
(minutes)
0.2954
1.00
0.83
0.83
12.17
$9 02
minutes
Data
Source
(Cat HB)
(Cat HB)
minutes
minutes
Source
(Cat HB)
(1 shift/day)
multiplier
Hours