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2018-01-11_REVISION - C1981019
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2018-01-11_REVISION - C1981019
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Entry Properties
Last modified
1/11/2018 12:59:35 PM
Creation date
1/11/2018 12:45:49 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Revision
Doc Date
1/11/2018
Doc Name
Adequacy Review - Preliminary
From
DRMS
To
Colowyo Coal Company
Type & Sequence
RN7
Email Name
ZTT
Media Type
D
Archive
No
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Scraper Worksheet Cont'd Task # 004 <br />Cycle Time: <br />Scraper Loading Time: 1.00 Minutes <br />Maneuver and Spread Time: 0.60 Minutes <br />Job Condition Correction: <br />_ <br />Scraper Push Dozer Source <br />Altitude Ad': 1.000 NA CAT Hl <br />Job Efficiencv: 0.830 NA (CAT Hl <br />Net Correction: 0.830 NA <br />Travel Time: <br />Road Condition: Very hard, smooth, asphalt or concrete, no tire penetration -1.2 <br />Haul Route: <br />Page 2 of 2 <br />Site Altitude: 7500 feet <br />Seg # <br />Haul Distance (Ft) Grade Roll. Res <br />% <br />Total Res <br />% <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 <br />4462.00 2.75 1 1.20 <br />1 3.95 <br />1 2394 <br />1 2.09 <br />Haul Time: 2.09 minutes <br />Return Rnute: <br />Seg # Haul Distance (Ft) <br />Grade <br />Roll. Res <br />Total Res <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 4462.00 <br />-2.75 <br />1.20 <br />-1.55 <br />2972 <br />1.55 <br />Return Time: <br />1.55 <br />minutes <br />Total Scraper team cycle time: <br />5.24 <br />minutes <br />Adjusted for job conditions: <br />551.22 <br />LCY/Hour <br />Selected Number of Scrapers: <br />2 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: <br />551.22 <br />LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: <br />2,204.89 <br />LCY/Hour <br />Unadjusted unit production/hour: 6_6_4.12 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />FIeet size: 4 <br />Unit cost: $1.310 <br />Teatn(s) Total job time: 569.57 Hours <br />/LCY Total job cost: $1,645,063 <br />CIRCES Cost Estimating Software <br />
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