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2008-04-09_REVISION - C1983059
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2008-04-09_REVISION - C1983059
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Last modified
8/24/2016 3:27:19 PM
Creation date
1/29/2010 1:36:09 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1983059
IBM Index Class Name
REVISION
Doc Date
4/9/2008
Doc Name
2nd Adequacy Review Letter
From
DRMS
To
Oxbow Mining, LLC
Type & Sequence
RN5
Media Type
D
Archive
No
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Permit or other job action : Permit Renewal 05 <br />Task description :Replace Topsoil from Stockpile to Site <br />. ...... ................ ..:.:. <br />HOURLY EQUIPMENT COST <br />Model : Cat 621G <br />Shift basis :-I per day <br />Cost Breakdown : Job utilization % Horsepower : 365 <br />Ownership cost/hour : $50.48 NA Weight (UST) : 35.55 <br />Operating cost/hour : $85.90 100 Cost data source : (CRG) <br />Operator cost/hour : $24.95 NA <br />Total unit cost/hour : $161.33 Total fleet cost/hour : $161.33 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 5,243 CCY factor : 1.125 volume : 5,898 LCY <br />Source of quantity take-off : Map 5 and Page 2.05-5R <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Pavload (weiaht) Basis : ScraDer Bowl (volume) Basis : <br />Material weight : 2,550 pounds/LCY Struck volume : 14.00 LCY <br />Material description : Heaped volume : 21.00 LCY <br />Earth - Dry packed Average volume : 17.50 LCY <br />Rated payload : 48,000 pounds <br />Payload capacity : 18.82 LCY Adjusted capacity : 17.50 LCY <br />Cycle Time (load + haul + spread + return) : Loading time : 2.00 minutes <br /> Maneuver and spreading time : 0.70 minutes <br />Travel time : loading time per pair on push-pull models <br />Route Distance (feet) Grade (%) Roll. res.(%) Total res.(%) Velocity (fpm) Travel time (min.) <br />Haul : 500 2.0 4.0 6.0 1,204 0.49 minutes <br />Return : 500 -2.0 4.0 2.0 2,898 0.17 minutes <br />travel time adjusted for acceleration and deceleration at load and dump points <br />velocities are max. attainable per total resistance shown, not average Total cycle time : 3.36 minutes <br />Job Condition Correction Factors : <br />Site altitude (feet) : 5,800 Adjusted Hourly Production ; <br />Altitude adjustment factor : 1.00 (Cat HS) Unadjusted unit production : 312.49 LCY/Hour*** <br />Job efficiency factor : 0.83 (1 shift/day) Adjusted unit production : 259.37 LCY/Hour <br /> Adjusted fleet production : 259.37 LCY/Hour <br />Net job correction factor : a83 2 times volume on push-pull models <br />. ....:_ <br />JOB TIME AND COST <br />Fleet size : 1 Scraper(s) Total job time : 22.74 Hours <br />Unit cost : $0.622 /LCY Total job cost : $3,669 <br />
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