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6.4.4 DAILY COVER <br /> The top and inactive sides of the cells are covered with at least 6 inches of <br /> clean soil in a continuous operation as they are completed. The active, <br /> working face is covered with a minimum of 6 inches of daily cover. The daily <br /> cover is obtained from onsite stockpiles (see Site Plan, Drawing 2) or <br /> excavations (see Base Grading Plan, Drawing 3), or recovered from on-site <br /> alternative daily cover operations (such as treated soil and low-contaminant- <br /> level untreated soil). The daily cover soil placement satisfies the regulatory <br /> cover requirements for the control of vectors, odor, fire, water infiltration and <br /> erosion, and for preventing unsightliness. The operations manager is <br /> responsible for directing the placement of cover soil at the end of each <br /> working day. <br /> 64.5 INTERMEDIATE COVER <br /> A minimum of 12 inches of intermediate cover obtained from onsite <br /> excavations or stockpiles will be placed and vegetated on all landfill areas that <br /> will not be receiving additional wastes for at least 180 days. The thickness of <br /> the soil cover will be controlled by evenly spreading a volume of soil, <br /> corresponding to a 1-foot-thick layer, over a defined refuse t=ill area. A map <br /> depicting areas that have received intermediate cover will be maintained by <br /> the operations manager. The intermediate cover soils are the same as the <br /> daily cover soils and meet the regulatory requirements for control of vectors, <br /> fire, odor, water infiltration, erosion, and the prevention of unsightliness. <br /> 6.4.6 ALTERNATIVE DAILY COVERS <br /> The following ADCs are currently used at the site: synthetic fabrics, shredded <br /> tires, compost materials (off-spec, delivered by generator), and processed <br /> green materials (PGM). A demonstration program was performed and <br /> approved for the synthetic fabrics usage. All other ADCs listed above are <br /> utilized in compliance with 27 CCR, Section 20690. In addition, Forward is <br /> planning to use Ash and Cement Kiln Dust, Treated and Processed Auto <br /> Shredder Residue, and Processed Construction and Demolition Wastes. The <br /> operations procedures for each of the types of ADC that will be used at <br /> Forward are described later in this section. <br /> Forward Landfill)TD 6-8 <br /> L:\Allied\2000.193\Reports\finaljtd:Sec-6.0 6-9-03:5/22/02 <br /> Rev. 1: 7/2002: Rev. 2: 4/2003; Rev 3: 6/2003 <br />