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2007-10-22_REVISION - C1981014 (2)
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2007-10-22_REVISION - C1981014 (2)
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Last modified
8/24/2016 3:18:11 PM
Creation date
2/3/2009 2:58:22 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981014
IBM Index Class Name
REVISION
Doc Date
10/22/2007
Doc Name
Southfield 2007 Midterm Review Cost Estimate
Section_Exhibit Name
Exhibit 20-New
Email Name
KAG
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 : 2,550 pounds/LCY Struck volume : 14.00 LCY <br />Material description : Heaped volume : 20.00 LCY <br />Earth - Dry packed Average volume : 17.00 LCY <br />Rated payload : 48,000 pounds Adjusted capacity: 17.00 LCY *** <br />Payload capacity:. 18.82 LCY hourly production reflects volume per scraper pair on push-pull models <br />Cycle Time : Job Condition Corrections : Site altitude (ft.) : 6,100 <br /> Scraper Push dozer Source <br />Scraper loading time 0.90 minutes Altitude adj.: 1.000 NA (Cat HB) <br />Maneuver and spread time : 0.60 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 :Firm, smooth, rolling, dirt4t. surfaced, watered, maintained <br />Haul Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 2,500 -4.00 3.00 -1.00 2938 0.90 <br />2 Z000 8.00 3.00 11.00 1018 1.66 <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 2.56 minutes <br />Return route <br />1 Z000 -8.00 3.00 -5.00 2938 0.73 <br />2 2, 500 4.00 3.00 7.00 2555 0.94 <br /> <br /> <br /> <br /> <br /> <br /> <br />" travel time for each segment is adjusted for acceleration/deceleration. Return time : 1.67 minutes <br />table velocities are max. attainable per total resistance shown, not average <br />Total scraper team cycle time (load + haul + maneuver and spread + return) : 5.72 minutes <br />Unadjusted unit production/hour : 356.35 LCY/hour *** Adjusted for job conditions : 295.77 LCY/hour <br />Optimal number of scrapers per push dozer : NA Selected number of scrapers : 2 scraper(s) <br />Adjusted single scraper team (unit) hourly production : 295.77 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 295.77 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 4.56 Hours <br />Unit cost : $1.812 /LCY Total job cost : $2,446 <br />
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