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2007-12-11_REVISION - C1981010
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2007-12-11_REVISION - C1981010
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Entry Properties
Last modified
8/24/2016 3:19:16 PM
Creation date
12/24/2008 2:49:27 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981010
IBM Index Class Name
Revision
Doc Date
12/11/2007
Doc Name
Adequacy Concerns
From
DRMS
To
Trapper Mining Inc
Type & Sequence
RN5
Media Type
D
Archive
No
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HOURLY PRODUCTION <br />Haulinct Capacity : <br />Scraper Payload (weight) Basis : <br />Material weight : 2,550 pounds/LCY <br />Material description <br />Earth - Dry packed <br />Rated payload : 75,000 pounds <br />Payload capacity: 29.41 LCY <br />Cycle Time : <br />Scraper loading time * : 1.00 minutes <br />Maneuver and spread time : 0.60 minutes <br />' load time per scraper pair on push-pull models <br />sheet 2 of 2 <br />Scraper Bowl (volume) Basis : <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 />Scraper <br />Altitude adj.: 1.000 <br />Job efficiency : 0.830 <br />Net correction 0 830 <br />Travel time : <br /> <br />Road condition description <br />H :Rutted diet, little maintena nce, no water, I "fire penetration <br />aul Route : <br />Seg. # Haul distance (feet) <br />1 400 Grade (%) Roll. res. (%) Total res. (%) ty (fpm) <br />t <br /> <br />-3.00 <br />4.00 <br />1.00 29 <br />52 <br />2 700 <br />-2.00 <br />5.00 <br />3.00 <br />2800 <br />3 1,500 2.00 4.00 6.00 1477 <br />4 1,250 1.50 4.00 5.50 1477 <br />Travel time (min.)** <br />0.35 <br />0.26 <br />0.67 <br />0.85 <br />Return route Haul time : 2.13 minutes <br />1 1,250 -1.50 4.00 2.50 2949 <br />2 1,500 -2.00 4.00 2.00 2960 <br />3 700 2.00 5.00 7.00 2240 <br />4 400 3.00 4.00 7.00 2240 0.57 <br />0.51 <br />0.21 <br />0.18 <br /> <br /> <br /> <br />" travel time for each segment is adjusted for acceleration/deceleration. <br />Return time : <br />table velocities are max. attainable per total resistance shown, not average <br />1.46 <br />minutes <br />Total scraper team cycle time (load + haul + maneuver and spread + return) : <br />Unadjusted unit production/hour : 670.35 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 : 5.19 <br />556.39 <br />2 <br />556.39 minutes <br />LCY/hour <br />scraper(s) <br />LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 1,112.78 LCY/hour <br />.. <br />JOB TIME AND COST _ <br />Fleet size : 2 Team(s) Total job time : 30.66 Hours <br />Unit cost : $1.586 /LCY Total job cost : $54,121 <br />Site altitude (ft.) : 6, 500 <br />Push dozer Source <br />NA (Cat HB) <br />NA (Cat HB) <br />NA
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