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2007-12-19_REVISION - C1981010
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2007-12-19_REVISION - C1981010
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Last modified
8/24/2016 3:19:49 PM
Creation date
9/4/2009 11:25:18 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981010
IBM Index Class Name
REVISION
Doc Date
12/19/2007
Doc Name
Adequacy Concerns & Cost Estimate
From
DRMS
To
Trapper Mining Inc
Type & Sequence
RN5
Media Type
D
Archive
No
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X X.: <br />HOURLY PRODUCTION <br />sheet 2 of 2 <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : Z550 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 />Struck volume <br />Heaped volume <br />Average volume <br />Adjusted capacity <br />24.00 LCY <br />34.00 LCY <br />29.00 LCY <br />29.00 LCY *** <br />hourly production reflects volume per scraper pair on push-pull models <br />Job Condition Corrections : Site altitude (ft.) : 6,500 <br /> Scraper Push dozer Source <br />Altitude adj.: 1.000 NA (Cat HB) <br />Job efficiency : 0.830 NA (Cat HB) <br />Net correction : 0.830 NA <br />Travel time : <br />Road condition description :Rutted dirt little maintenance, no water, 1 "tire penetration <br />Haul Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 300 -6.00 5.00 -1.00 2972 0.15 <br />2 1,400 -3.00 4.00 1.00 2952 0.47 <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time : 0.62 minutes <br />1 1,400 3.00 4.00 7.00 2240 0.76 <br />2 300 6.00 5.00 11.00 1434 0.13 <br /> <br /> <br /> <br /> <br /> <br /> <br />•* travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.89 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) : 3.11 minutes <br />Unadjusted unit production/hour : 1,118.94 LCY/hour *** Adjusted for job conditions : 928.72 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 : 928.72 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 928.72 LCY/hour <br /> <br />. <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 11.92 Hours <br />Unit cost : $1.226 /LCY Total job cost : $13,573 <br />
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