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2009-11-03_REVISION - C1996083
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2009-11-03_REVISION - C1996083
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Last modified
8/24/2016 3:56:44 PM
Creation date
11/4/2009 1:12:45 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1996083
IBM Index Class Name
REVISION
Doc Date
11/3/2009
Doc Name
Revised 2009 Midterm Cost Estimate (Memo)
From
Jim Stark
To
Joe Dudash
Type & Sequence
MT3
Email Name
JJD
Media Type
D
Archive
No
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HOURLY PRODUCTION <br /> sheet 2 of 2 <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : 2,650 pounds/LCY Struck volume : 15.70 LCY <br />Material description : Heaped volume : 21.00 LCY <br />Decomposed rock - 25% Rock, 75% Earth Average volume : 18.35 LCY <br />Rated payload : 48,000 pounds Adjusted capacity : 18.11 LCY *** <br />Payload capacity : 18.11 LCY hourly production reflects volume per scraper pair on push-pull models <br />Cycle Time : <br />•ections <br />Scraper <br />Site altitude (ft.) : 6,100 <br />Push dozer Source <br />Scraper loading time * : 0.90 minutes Altitude adj.: 1.000 <br />Maneuver and spread time : 0.60 minutes Job efficiency E:EO. 830 <br />load time per scraper pair on push-pull models Net correction 830 <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 2, 600 0.00 5.00 5.00 2218 1.36 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />minutes <br />uavei ume Tor eacn segment is adjusted for acceleration/deceleration. Return time : 1.08 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) : 3.94 minutes <br />Unadjusted unit production/hour : 552.03 LCY/hour *** Adjusted for job conditions : 458.18 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 : 458.18 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 458.18 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 105.58 Hours <br />Unit cost : $0.942 /LCY Total job cost : $45,580 <br />NA (Cat HB) <br />NA (Cat HB) <br />NA <br />Haul time : 1.36 <br />Return route
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