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SECTION 2 <br />Design Parameters <br />Design parameters used in this basis of design report are based on 2015 data provided by the County, <br />additional information gathered during the November 2, 2016 workshop, and the 31 percent population <br />increase estimates that were described in Table 1-1. This data is further discussed in the sections below. <br />2.1 Existing Tonnages and Traffic <br />The existing Ellensburg transfer station accepts, processes, and transfers MSW, yard waste, recyclable <br />material, and MRW material from residential and commercial customers in the Ellensburg area and <br />lower Kittitas County. Material is hauled to the facility in commercial garbage trucks and from a <br />significant flow of self -haul vehicles (automobiles, pickup trucks, and trailers). Table 2-1 summarizes <br />2015 quantities and traffic at the Ellensburg transfer station. <br />Table 2-1.2015 Ellensburg Transfer Station Quantities and Traffic <br />Kittitos County Transfer Station Basis of Design Report <br />Category 2015 Quantities (tons) 2015 Traffic (vehicles) <br />MSW, Yard Waste, CDL Quantities and Incoming Trak <br />Commercial — MSW <br />15,327 <br />3,626 <br />Commercial —yard waste <br />387 <br />255 <br />Commercial —CDL <br />2 <br />1 <br />Self -haul — MSW <br />7,056 <br />51,458 <br />Self -haul —yard waste <br />2,011 <br />9,139 <br />Self -haul — CDL <br />1,767 <br />3,608 <br />Yard waste from Cie Elum <br />320 <br />45 <br />Tires from Cie Elum <br />71 <br />11 <br />MRW <br />1,000a <br />Total Incoming <br />26,941 <br />68,143 <br />MSW and Material Outgoing <br />Compost sold <br />1,537 <br />172 <br />Recycling drop -box <br />747 <br />354 <br />Vehicle batteries <br />3 <br />4 <br />Metal <br />48 <br />5 <br />MSW transfer to Wenatchee <br />22,543 <br />909 <br />CDL to Ryegrass Landfill <br />1,373 <br />179 <br />Total Outgoing <br />26,251 <br />1,623 <br />aApproximateiy 1,000 customers used the MRW facility in 2015. <br />Note: <br />CDL = Construction and Demolition Landfill <br />Table 2-1 does not include an estimated 50,000 to 60,000 customers that used the recycling drop-off area in 2015 or septage <br />or leachate loads that are weighed at the scalehouse. <br />EN1213161143SAC DRAFF-12/23/16 2-1 <br />