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2009-08-31_REVISION - C1981041 (4)
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2009-08-31_REVISION - C1981041 (4)
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Last modified
8/24/2016 3:55:09 PM
Creation date
9/1/2009 3:08:39 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981041
IBM Index Class Name
REVISION
Doc Date
8/31/2009
Doc Name
Reclamation Cost Estimate (Memo)
From
Jim Stark
To
Mike Boulay
Type & Sequence
SL5
Email Name
MPB
Media Type
D
Archive
No
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HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : <br />Material weight : 2,550 pounds/LCY <br />Material description <br />Earth - Dry packed <br />Rated payload : 55,000 pounds <br />Payload capacity : 21.57 LCY <br />Cycle Time : <br />sheet 2 of 2 <br />Scraper Bowl (volume) Basis : <br />Struck volume : 18.00 LCY <br />Heaped volume : 23.00 LCY <br />Average volume : 20.50 LCY <br />Adjusted capacity : 20.50 LCY <br />hourly production reflects volume per scraper pair on push-pull models <br />Job Condition Corrections : Site altitude (ft.) : 4,850 <br />Scraper Push dozer Source <br />Scraper loading time * : 0.90 minutes Altitude adj.: 1.000 NA (Cat HB) <br />Maneuver and spread time : 0.70 minutes Job efficiency : 0.830 NA (Cat HB) <br />* load time per scraper pair on push-pull models Net correction : 0.830 NA <br />Travel time : <br />Road condition description : Rutted dirt, little maintenance, no water, 2" tire penetration <br />Haul Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 Z800 0.00 5.00 5.00 1292 2.26 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 2.26 minutes <br />Return route : <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 : 233.09 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 />1.41 minutes <br />5.28 minutes <br />193.47 LCY/hour <br />1 scraper(s) <br />193.47 LCY/hour <br />773.88 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 4 Team(s) Total job time <br />Unit cost : $1.008 /LCY Total job cost <br />2.06 Hours <br />$1,608
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