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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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.::.. <br />HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Capacity <br />Scraper Payload (weight) Basis : I Scraper Bowl (volume) 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 />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 : IJoh Condifinn Cnrrarfinna <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 />Travel time : <br />Road condition description :Rutted dirt, little maintenance, no water, 2" tire penetration <br />Haul Route : <br />Site altitude (ft.) : 7,000 <br />Push dozer Source <br />NA (Cat HB) <br />NA (Cat HB) <br />NA <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 700 3.00 3.00 6.00 1477 0.56 <br />2 1,200 5.00 5.00 10.00 922 1.23 <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time : 1.79 minutes <br />1 1,200 -5.00 5.00 0.00 2965 0.52 <br />2 700 -3.00 3.00 0.00 2965 0.24 <br /> <br /> <br /> <br /> <br /> <br /> <br />travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.75 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) : 4.14 minutes <br />Unadjusted unit production/hour : 840.79 LCY/hour Adjusted for job conditions : 681.04 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 : 681.04 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 3,405.22 LCY/hour <br />Scraper <br />Altitude adj. : 1.000 <br />Job efficiency : 0.810 <br />Net correction 0.810 <br />:
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