2009-05-13_GENERAL DOCUMENTS - C1980001

• Permit No: C1980001
• IBM Index Class Name: General Documents
• Doc Date: 5/13/2009
• Doc Name: Midterm Review Findings Document
• Permit Index Doc Type: Findings
• Email Name: JDM
• Media Type: D
• Archive: No

CIRCES Cost Estimatinc i Software
WHEEL LOADER - LOAD AND CARRY WORK
PROJECT IDENTIFICATION
Task #: 032 State : Colorado Permit/job #: C-1980-001
Date : 0313112009 County : Routt Abbreviation :none
User : JDM Site : Edna Mine Filename : 0001-032
Agency or organization name : Colorado Division of Reclamation, Mining And Safety
Permit or other job action : Midterm Review 2009
Task description : Replace Topsoil at Oak Creek Office Site
HOURLY EQUIPMENT COST Basic machine : CAT 914G Horsepower : 90
Attachment no. 1 : ROPS Cab Shift basis : 1 per day
Data source : (CR(3)
Utilization %
Cost Breakdown : Ownership cost/hour : $12.64 NA
Operating cost/.hour : $19.77 100
Operator costihour : $32.78 NA
Total unit cost/hour : $65.19 Total fleet cost/hour : $65.19
MATERIAL QUANTITIES
Initial Swell Final
volume : 480 CCY factor : 1.125 volume : 540 LCY
Source of quantity take-off : Exhibit 1 SL9
Source of estimated swell factor : CAT Handbook
HOURLY PRODUCTION (Cat HB)
Loader Cycle Time Unadjusted basic cycle time (load, dump, maneuver) : 0.475 minutes
Cycle Time Factors Factor (min.) Source
Material: Mixed material 0.020 (Cat HS)
Stockpile : No adjustment - factor not applicable 0.000 (Cat HS)
Truck ownership : Common ownership of trucks and loaders -0.040 (Cat HB)
Operation : Constant operation -0.040 (Cat HB)
Dump target : No adjustment - factor not applicable 0.000 (Cat HB)
Net cycle time adjustment
Adjusted basic cycle time
Rolling Resistance - Road Conditions
Haul : Rutted dirt, little maintenance, no water, 2" tire
Return : Rutted dirt little maintenance, no water, 2" tire
-0.060 minutes
0.415 minutes
Haul and Return Time Length
(feet) Grade res.
(%) Rolling res.
(%) Total res.
(%) Travel time
(minutes) Data
Source
Haul route : 500 2.00 5.00 7.00 0.4318 (Cat HB)
Return route : 500 -2.00 5.00 3.00 0.2820 (Cat HB)
Total travel time : 0.7138 minutes
Loader Bucket Capacity Total cycle time : 1.129 minutes
Rated capacity : 1.70 LCY (heaped) (Cat HB)
Bucket fill factor : 1.100 Other - rock/dirt mixtures (100-120%)
Adjusted capacity : 1.87 LCY
Source
Job Condition Correction Factors Altitude adjustment factor : 0.95 (Cat HB)
Site altitude : 7,500 feet Job efficiency factor : 0.83 (1 shift/day)
Net correction : 0.79 multiplier
Unadjusted hourly unit production : 99.39 LCY/Hr
Adjusted hourly unit production : 78.38 LCY/Hr (Cat HB)
Adjusted hourly fleet production : 78.38 LCY/Hr
JOB TIME AND COST
Fleet size : 1 Loader(s) Total job time : 6.89 Hours
Unit cost : $0.832 /LCY Total job cost : $449