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Time Spent <br /> Type in Haul(1) <br /> Rear-end Loaders 15 <br /> Front-end Loaders 26 <br /> Drop-box Trucks 53 <br /> (1}See Appendix B for derivation. <br /> Direct haul costs for the existing operation as shown in Table 4-1 <br /> are estimated to be $1, 320, 200 annually. Costs are categorized with <br /> respect to vehicle amortization, labor, and oper4tion and maintenance <br /> (O & M) expenses <br /> Public Haul Costs Without Transfer Station <br /> Approximately 72, 800 public vehicles per year would use the proposed <br /> transfer station. Assuming an average 30 miles round trip per vehi- <br /> cle to and from the existing landfill, 2 .2 million miles are driven. <br /> At a cost of $0 .17 per mile, $374 ,000 is spent by the public hauling <br /> solid waste to the landfill. <br /> Energy Consumption <br /> Direct Haul <br /> Energy consumption is a function of the number of trips required to <br /> dispose of the solid waste generated and the time consumed on each <br /> trip. The assumptions used in determining energy consumption are <br /> shown in Appendix B. <br /> Based on the assumptions in Appendix B, the annual energy,consumption <br /> by vehicle type is as follows: <br /> Energy Consumption <br /> Vehicle Type (Million Btu/year) <br /> Rear-end Loaders 3,886 <br /> (5,824 trips/year) (667,200 Btu/trip) <br /> Front-end Loaders <br /> (2,756 trips/year) (667,200 Btu/trip) 1,839 <br /> Drop-box Trucks <br /> (11,483 trips/year) (663,030 Btu/trip) 7,614 <br /> Public <br /> (72,800 trips/year) (293,355 Btu/trip) 21,356 <br /> Total 34,659(1) <br /> (1) Equivalent to 5,937 barrels of oil. <br /> ' <br /> 19 <br />