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the shop. Wastewater generated from the site is discharged into an <br /> on-site septic tank system. Two chemical toilets are also <br /> provided. <br /> The following equipment is currently being used for compaction, <br /> excavation, cover, and dust control: <br /> 1 - 826C CAT Compactor <br /> 1 - 816B CAT Compactor <br /> 1 - 623B CAT self- loading scraper <br /> 1 - 623F CAT self-loading scraper <br /> 1 - D8 CAT Dozer with ripper <br /> 1 - D7 CAT Dozer with ripper <br /> 1 - 860A John Deere self-loading scraper <br /> 1 - 3000 gal. water truck <br /> 1 - 2000 gal. water truck <br /> In the event of equipment failure, backup and standby equipment <br /> will be obtained by Foothill Sanitary Landfill Inc. from local <br /> dealers. <br /> 2.2 LANDFILLING PROCEDURES <br /> The landfill is currently constructed using the cut and fill <br /> method. The average daily cell is no more than 75 feet in width <br /> along the working face. Refuse is placed in lifts 6 - 10 feet <br /> thick with minimum perimeter slopes of 3 : 1. The refuse is <br /> compacted in layers that are not more than two feet thick. The <br /> compactor makes three to five passes over each layer to provide <br /> adequate compaction. Refuse is covered daily with a minimum of 611 <br /> of soil, and the working face is sloped to promote runoff. Cover <br /> material is excavated on site from future landfilling areas. <br /> Approximately 80 of the 800 permitted acres are being filled. The <br /> remainder of the site will be developed in modules. Each module <br /> will be excavated to design grades, and the soil will be used for <br /> daily and intermediate cover. <br /> 2 . 3 EXCAVATION AND FILL SEQUENCE <br /> Conceptual development for the Foothill Sanitary Landfill is <br /> contained in the Preliminary Closure Plan (PCP) dated May 6, 1994 <br /> (Appendix A) , which includes Preliminary Closure Plan drawings. <br /> The site is divided into modules which are shown on drawing 3 of <br /> the attached plans. A Leachate Collection and Removal System <br /> (LCRS) will be installed in each module. Each module will then be <br /> filled in lifts to the final grades shown on drawing 2 of the above <br /> referenced plans. Excavation will proceed one module ahead of <br /> refuse fill. Soils in any module suitable for the barrier layer of <br /> the final cover will be excavated and stockpiled for later use. <br /> The remainder of the excavated soil will be used for daily and <br /> intermediate cover. <br /> 7 <br />