Final Site Selection Report Kittitas_082118

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SECTION 2 EN1213161143SAC DRAFT – 12/23/16 2-1 Design Parameters Design parameters used in this basis of design report are based on 2015 data provided by the County, additional information gathered during the November 2, 2016 workshop, and the 31 percent population increase estimates that were described in Table 1-1. This data is further discussed in the sections below. 2.1 Existing Tonnages and Traffic The existing Ellensburg transfer station accepts, processes, and transfers MSW, yard waste, recyclable material, and MRW material from residential and commercial customers in the Ellensburg area and lower Kittitas County. Material is hauled to the facility in commercial garbage trucks and from a significant flow of self-haul vehicles (automobiles, pickup trucks, and trailers). Table 2-1 summarizes 2015 quantities and traffic at the Ellensburg transfer station. Table 2-1. 2015 Ellensburg Transfer Station Quantities and Traffic Kittitas County Transfer Station Basis of Design Report Category 2015 Quantities (tons) 2015 Traffic (vehicles) MSW, Yard Waste, CDL Quantities and Incoming Traffic Commercial – MSW 15,327 3,626 Commercial – yard waste 387 255 Commercial – CDL 2 1 Self-haul – MSW 7,056 51,458 Self-haul – yard waste 2,011 9,139 Self-haul – CDL 1,767 3,608 Yard waste from Cle Elum 320 45 Tires from Cle Elum 71 11 MRW 1,000a Total Incoming 26,941 68,143 MSW and Material Outgoing Compost sold 1,537 172 Recycling drop-box 747 354 Vehicle batteries 3 4 Metal 48 5 MSW transfer to Wenatchee 22,543 909 CDL to Ryegrass Landfill 1,373 179 Total Outgoing 26,251 1,623 aApproximately 1,000 customers used the MRW facility in 2015. Note: CDL = Construction and Demolition Landfill 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 or leachate loads that are weighed at the scalehouse.