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1. Calculation of Percent Haul Time with Transfer Station <br /> Operation Rear-End Loaders Front-end Loaders Drop-box Trucks <br /> Hours/Day Hours/Day Hours/Day <br /> Collecting 5.43 4.83 2.00 <br /> Hauling 0.43 0.67 2.00 <br /> Getting To Route 0.43 0.67 2.00 <br /> Dumping 0.22 0.33 1.33 <br /> Total Hours 6.51 6.50 7.33 <br /> Percent Haul Time, Rear-end Loaders: 0 . 43 x 100 = 7% <br /> 6 . 51 <br /> 2. Energy Consumption of Collection Vehicles Operating with Trans- <br /> fer Station <br /> Avera <br /> Vehicle Tyne Energy Consumption* e Haul Time g <br /> (BTU/Min. ) (Min. ) <br /> Rear-end Loaders 11, 120 20 <br /> Front-end Loaders 11, 120 20 <br /> Drop-box Trucks 14, 734 15 <br /> Public 6,519 15 <br /> * From Appendix B. <br /> 3. Energy Usage Assumptions - Transfer Vehicles <br /> Heat Value of Diesel Fuel 139,000 BTU/Gallon <br /> Annual Trips by Vehicle Type: <br /> • Open-top Trailers <br /> (100, 308 Tons/Yr. ) /(_17 Tons/Trip) 5, 901 <br /> • Enclosed Trailers <br /> (100, 308 Tons/Yr. ) /(18 Tons/Trip) 5,573 <br /> Average Speed of Transfer Vehicles 32 Mph <br /> 0.53 Miles/Min. <br /> Average Haul Time 20 Min. <br /> Fuel Efficiency of Transfer Vehicles 0 . 2 Gallon/Mile <br /> Energy Consumption of Transfer Vehicles <br /> (139 , 000 BTU/Gallon) (0 . 53 Miles/Min. ) <br /> (0 . 2 Gallon/Mile) 14 , 734 <br /> - 47 - <br />