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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 <br />Hauling Capacity : <br />Scraper Payload (weight) Basis <br />Scraper Bowl (volume) Basis : <br />sheet 2 of 2 <br />Material weight : 2,100 pounds/LCY <br />Material description <br />Earth - Loam <br />Rated payload : 75,000 pounds <br />Payload capacity: 35.71 LCY <br />Struck volume : 24.00 LCY <br />Heaped volume : 34.00 LCY <br />Average volume : 29.00 LCY <br />Adjusted capacity : 29.00 LCY *** <br />hourly production reflects volume per scraper pair on push-pull models <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 Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 1,400 -7.10 5.00 -2.10 2972 0.53 <br /> <br /> <br /> 1 <br /> <br /> <br /> <br /> <br />Haul time : 0.53 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 : 1,075.67 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) <br />Unit cost : $0.778 /LCY <br />1.10 minutes <br />3.24 minutes <br />874.95 LCY/hour <br />2 scraper(s) <br />874.95 LCY/hour <br />1,749.90 LCY/hour <br />Total job time : 16.22 <br />Total job cost : $22,090 <br />Hours
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