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2019-12-11_REVISION - M1977211
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2019-12-11_REVISION - M1977211
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Last modified
1/6/2025 7:51:47 AM
Creation date
12/12/2019 1:46:46 PM
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Template:
DRMS Permit Index
Permit No
M1977211
IBM Index Class Name
REVISION
Doc Date
12/11/2019
Doc Name
Adequacy Review Response
From
Castle Aggregate
To
DRMS
Email Name
TC1
Media Type
D
Archive
No
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Project Pikeview Quarry <br /> Date Dec-2019 <br /> WORKSHEET NO.9A <br /> PRODUCTIVITY AND HOURS REQUIRED FOR TRUCK USE <br /> Earthmoving Activity <br /> 3 Trucked From Borrow Area to Fill Area <br /> Characterization of Truck Used(type,size,etc)3 <br /> A-40 <br /> 30 Struck Capacity [LCY] <br /> 36 Heaped Capacity [LCY] <br /> 33 Adjusted Capacity(Average of Struck and Heaped)[LCY] <br /> Description of Truck Use(origin,destination,grade,haul distance,truck capacity,etc) <br /> 2,000 ft average haul distance <br /> -12 0% Grade(Loaded) <br /> 3 0% Rolling Resisance <br /> Productivity Calculation <br /> Loader = 33 LCY / 4 8 LCY = 6 9 passes Net Truck = 4 8 LCY 7 = 33 LCY <br /> Passes Per truck capacity loader bucket Capacity loader bucket net loader passes <br /> Truck net capacity capacity per truck <br /> Loading = 0 50 min 7 = 3 5 min Truck Cycle = 50 min + 4 0 min + 3 5 min + 1 0 min = 13 5 min <br /> Time Per loader cycle time loader passes Time haul time return time loading time per dump and <br /> Truck per truck truck maneuver time <br /> Number of = 13 5 min / 3 5 min = 4 trucks Production = 33 LCY / 13 5 min = 2 4 LCY/min <br /> Trucks truck cycle time truck loading (round Rate net truck capacity cycle time <br /> Required time down) <br /> Hourly = 2 LCY/min * 50 mm/hr = 122 LCY/hr Hours = 3,260,606 LCY / 122 LCY/hr = 26,626 hrs <br /> Production production rate work hour Required volume to be hourly <br /> factor moved' production <br /> Data Sources <br /> 1) Volume to be moved from Wonksheet 3 <br /> 2) Hours required go to Worksheet 13 <br /> 3) Caterpillar Performance Handbook,Edition 37 <br />
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