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2010-03-17_REVISION - C2006085
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2010-03-17_REVISION - C2006085
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Last modified
8/24/2016 4:01:56 PM
Creation date
3/18/2010 1:31:43 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C2006085
IBM Index Class Name
REVISION
Doc Date
3/17/2010
Doc Name
Memo & Cost Estimate
From
Jim Stark
To
Kent Gorham
Type & Sequence
TR1
Email Name
KAG
Media Type
D
Archive
No
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Truck/Loader Team Work cont'd Task # : 076 sheet 2 of 2 <br />Loading Tool Cycle Time : Number of loading tool passes required to fill truck: 4 passes <br />Excavators and front shovels -machine cycle time vs. job condition rating : BELOWAVERAGE <br />-selected value within basic rating : SEVERE <br />Track loaders - material descr.:NA <br />- cycle time elements (min.) : Load : NA Maneuver : NA Dump : 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and duml NA minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material: NA NA NA <br />Stockpile : NA NA NA <br />Truck ownership: NA NA NA <br />Operation : NA NA NA <br />Dump target : NA NA NA <br /> Net cycle time adjustment : NA minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.333 minutes <br /> Net load time per truck * : 1.099 minutes <br />Truck Cycle Time : *bulk of 1st loader cycle completed during truck exchange if adj. loader cycle time < exchange time <br />Truck exchange time **: 0.50 minutes........ Adjusted for site altitude : 0.500 minutes <br />Truck load time: 1.099 minutes........ Adjusted for site altitude : 1.221 minutes <br />Truck maneuver and dump time: 0.80 minutes........ Adjusted for site altitude : 0.800 minutes <br />-set at 0 if exchange time < adj. loader cycle time (truck exchange completed during 1st loader cycle) <br />Truck travel (haul & return) time: Road condition: Rutted dirt, little maintenance, no water, 2" tire penetration <br />Haul route : <br />Road <br />segment# Haul distance <br />(feet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(feet/minute) Travel time <br />(minutes) <br />1 2,100 3.00 5.00 8.00 1381 1.549 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time ** : 1.549 minutes <br />minutes <br />minutes <br />Loading tool unit production : 221.61 LCY/hour...... Adjusted for job efficiency : 183.94 LCY/hour <br />Truck unit production : 79.05 LCY/hour...... Adjusted for job efficiency : 65.61 LCY/hour <br />Optimal no. trucks/loading tool : 3 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 131.23 LCY/hr <br /> Adjusted hourly single truck/loader team production : 131.23 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 131.23 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 13.72 Hours <br />Unit cost : $1.569 /LCY Total job cost : $2,824 <br /> <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 0.754 <br />total haul and return time shown includes altitude adjustment Total truck cycle time : 4.825
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