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2009-12-04_REVISION - C1994082
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2009-12-04_REVISION - C1994082
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Last modified
8/24/2016 3:57:28 PM
Creation date
12/7/2009 10:54:29 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
REVISION
Doc Date
12/4/2009
Doc Name
Reclamation Cost Estimate (Memo)
From
Jim Stark
To
Dan Mathews
Type & Sequence
SL2
Email Name
DTM
Media Type
D
Archive
No
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HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : 2,100 pounds/LCY Struck volume : 24.00 LCY <br />Material description : Heaped volume : 34.00 LCY <br />Earth - Loam Average volume : 29.00 LCY <br />Rated payload : 75,000 pounds Adjusted capacity : 29.00 LCY *** <br />Payload capacity : 35.71 LCY '•* hourly production reflects volume per scraper pair on push-pull models <br /> <br />Cycle Time : Job Condition Corrections : Site altitude (ft.) : 7,800 <br /> Scraper Push dozer Source <br />Scraper loading time 1.00 minutes Altitude adj.: 0.980 NA (Cat HB) <br />Maneuver and spread time : 0.60 minutes Job efficiency : 0.830 NA (Cat HB) <br />* load time per scraper pair on push-pull models Net correction : 0.813 NA <br />Travel time : <br />Road condition description :Rutted dirt, little maintenance, no water, 2" tire penetration <br />Haul Rou te : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 600 -6.70 5.00 -1.70 2972 0.26 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : <br />Return route 0.26 minutes <br />1 600 6.70 5.00 11.70 1327 0.50 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />travel time for each segment is adjusted for acceleration/deceleration. Return time : <br />table velocities are max. attainable per total resistance shown, not average <br />Total scraper team cycle time (load + haul + maneuver and spread + return) : <br />Unadjusted unit production/hour : 1,474.21 LCY/hour *** Adjusted for job conditions : <br />Optimal number of scrapers per push dozer : NA Selected number of scrapers : <br />Adjusted single scraper team (unit) hourly production : <br />Adjusted multiple scraper team (fleet) hourly production : <br />JOB TIME AND COST <br />Fleet size : 2 Team(s) Total job time : <br />Unit cost : $0.568 /LCY Total job cost : 0.50 <br /> <br />2.36 <br />1,199.12 <br />2 <br />1,199.12 <br />2,398.24 <br /> <br />21,21 <br />$28,889 minutes <br /> <br />minutes <br />LCY/hour <br />scraper(s) <br />LCY/hour <br />LCY/hour <br /> <br />Hours
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