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I. Introduction <br /> landfill accepts MSW from contract and permitted haulers from the City of Stockton. No private <br /> self-hauler is allowed to bring waste directly to the landfill. <br /> This section examines the relationship of the proposed expansion,including its capacity,to the <br /> rate of waste generation in the service area. <br /> EXPANSION CAPACITY <br /> The site capacity of a landfill is determined by calculating the volume available between the <br /> elevation of the top of the bottom liner system and the bottom of the final cover. The refuse <br /> capacity is then calculated by estimating the volume available for refuse when considerations are <br /> made for the expected compaction ratio and the use of daily and intermediate cover. The service <br /> life of the landfill is determined by comparing the calculated volume available for refuse with the <br /> projected waste stream. According to these calculations,the existing landfill to the north of <br /> Little Johns Creek will close in 1997 and the permitted landfill (including the 45 acres to the <br /> south of Little Johns Creek)will close in 2007(R. W. Beck and Associates, 1992). This project <br /> would extend the life of the permitted landfill to 2045,an additional 38 years. Appendix A <br /> includes a table showing projected waste generation,diversion,transformation and disposal from <br /> 1992 through 2045. This table was prepared by R.W. Beck and Associates to determine the <br /> service life of the proposed landfill. The proposed Austin Road Landfill expansion would have a <br /> total air space(from the bottom of the liner to the top of the final cover)of 18 million cubic <br /> yards(CY),of which approximately 14 million CY would be taken up by refuse and 4 million <br /> CY would be required for cover material (daily,intermediate,and final cover). Using a <br /> conservative estimate for the in-place waste density of 1,200 pounds per CY (lb/CY),the <br /> proposed landfill expansion could accept a total of 9 million tons of refuse(R. W. Beck and <br /> Associates, 1992). Without the project expansion,the City of Stockton will be faced with <br /> finding an alternative disposal site by 2007. <br /> WASTE GENERATION <br /> The City's waste stream is divided into four categories:residential,commercial,industrial/roll off <br /> and other,which includes self-haul waste. Most of the residential waste and part of the <br /> commercial waste is disposed of at the Austin Road Landfill. The remaining waste is either <br /> disposed of at the Forward,Inc.Landfill or the county-owned sites,Lovelace Transfer Station, <br /> and North County Sanitary and.Foothill Landfills. Yard waste is disposed of at the City-owned <br /> French Camp Landfill. <br /> L3 <br />