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2023-02-15_REVISION - C1981008
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2023-02-15_REVISION - C1981008
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Entry Properties
Last modified
2/22/2023 7:29:54 AM
Creation date
2/21/2023 10:06:20 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981008
IBM Index Class Name
Revision
Doc Date
2/15/2023
Doc Name Note
Findings & Cost Estimate
Doc Name
Proposed Decision and Findings of Compliance
From
DRMS
To
Elk Ridge Mining and Reclamation, LLC
Type & Sequence
SL25
Email Name
CCW
THM
Media Type
D
Archive
No
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Borehole Worksheet Cont'd Task#TTT Page 8 of 12 <br /> Cycle Time: <br /> Scraper Loading Time: 0.60 Minutes <br /> Maneuver and Spread Time: 0.70 Minutes <br /> Job Condition Correction: Site Altitude: 5700 feet <br /> Scraper Push Dozer Source <br /> Altitude Adj: 1.000 1.000 (CAT HB) <br /> Job Efficiency: 0.830 0.830 (CAT HB) <br /> Net Correction: 0.830 0.830 <br /> Travel Time: <br /> Road Condition: Firm, smooth,rolling,dirt/It. surfaced,watered,maintained 3.0 <br /> Haul Route: <br /> Seg# Haul Distance(Ft) Grade Roll.Res(%) Total Res(%) Velocity(fpm) Travel Time(min) <br /> 1 600.00 0.00 3.00 3.00 2227 0.51 <br /> Haul Time: 0.51 minutes <br /> Return Route: <br /> Seg# Haul Distance(Ft) Grade Roll.Res(%) Total Res(%) Velocity(fpm) Travel Time <br /> (%) (min) <br /> 1 600.00 0.00 3.00 3.00 2890 0.43 <br /> Return Time: 0.43 minutes <br /> Total Scraper team cycle time: 2.24 minutes <br /> Adjusted for job conditions: 644.73 LCY/Hour <br /> Selected Number of Scrapers: 2 Scraper(s) <br /> Adjusted single scraper team(unit)hourly production: 1,289.46 LCY/Hour <br /> Adjusted multiple scraper team(fleet)hourly production: 2,578.93 LCY/Hour <br /> Unadjusted unit production/hour: 776.79 LCY/Hour <br /> Optimal Number of Scrapers per push dozer: <br /> JOB TIME AND COST <br /> Fleet size: 2 Team(s) Total job time: 2.48 Hours <br /> Unit cost: $1.021 /LCY Total job cost: $6,525 <br /> CIRCES Cost Estimating Software <br />
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