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HOURLY PRODUCTION sheet 2 of 2
<br />Hauling Caaacity
<br />Scraper Payload (weight) Basis : ~ Scraper Bowl (volume) Basis
<br />Material weight : 2,900 pounds/LCY
<br />Material description
<br />Decomposed rock - 50% Rock, 50% Earth
<br />Rated payload : 75,000 pounds
<br />Payload capacity : 25.86 LCY
<br />Cycle Time
<br />Scraper loading time * : 1.00
<br />Maneuver and spread time : 0.60
<br />`load time per scraper pair on push-pull models
<br />Struck volume : 24.00 LCY
<br />Heaped volume : 34.00 LCY
<br />Average volume : 29.00 LCY
<br />Adjusted capacity : 25.86 LCY ***
<br />hourly production reflects volume per scraper pair on push-pull models
<br /> Job Condition Corrections : Site altitude (ft.) : 7,100
<br /> Scraper Push dozer Source
<br />minutes Altitude adj.: 1.000 NA (Cat HB)
<br />minutes Job efficiency : 0.830 NA (Cat HB)
<br /> Net correction : 0.830 NA
<br />Travel time
<br />Road condition description :Firm, smooth, rolling, dirt/It. surfaced, watered, maintained
<br />Haul Route
<br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)**
<br />1 600 12.00 3.00 15.00 589 1.03
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<br />Haul time : 1.03 minutes
<br />Return route
<br />'* travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.36 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) : 2.99 minutes
<br />Unadjusted unit production/hour : 1,039.49 LCY/hour *** Adjusted for job conditions : 862.78 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 : 862.78 LCY/hour
<br />Adjusted multiple scraper team (fleet) hourly production : 862.78 LCY/hour
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<br />JOB TIME AND COST ............................... .................................
<br />Fleet size : 1 Team(s) Total job time : 49.50 Hours
<br />Unit cost : $0.889 /LCY Total job cost : $37,971
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