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Ed Padilla <br />August 27, 1991 <br />Page 3 <br />necessary, the pad will be recompacted and oiled the following year <br />to maintain pad integrity. The pad and access road are shown on the <br />plan and are designated by a dot matrix. The dimensions of the pad <br />are 150 x 200 feet and provides sufficient maneuverability for <br />vehicle travel and unloading operations. <br />III. DRAINAGE <br />The main objective of the drainage plan is to eliminate washouts. <br />Problem areas can be found along the southeastern and southwestern <br />portion of the Landfill where runoff meets a 3 to 1 side slope. <br />In the southeastern portion of the Landfill, drainage will consist <br />of berms and a down drain. The berms will be located along the top <br />edge of existing fill areas. The berms will direct runoff to a down <br />drain inlet located at approximately N92+40/E105+00. The down drain <br />will extend to the toe of the Landfill where runoff will continue <br />offsite into Corral Hollow Creek. Rip rap will be placed as needed. <br />In the southwestern portion of the Landfill a 20 foot bench will <br />be constructed with a "V" ditch. Run off will be directed to a <br />second down drain with the inlet at approximately N88+80/E100+75. <br />The outlet will be at the toe of the Landfill and runoff will <br />continue offsite into Corral Hollow Creek. Rip rap will be placed <br />as needed. <br />Areas where ponding may occur, such as depressions due to <br />settlement, will be filled with cover soil to ensure adequate <br />drainage from the working fill area. Also, if natural runoff <br />impedes normal operations, then that portion of land will be graded <br />to provide for proper drainage. In the unlikely occurrence that <br />ponding does occur, storm water will be pumped and drained to the <br />ditch along the perimeter of the fill area using a portable pump. <br />It is estimated that approximately 20,000 cubic yards of cover <br />material will be needed during winter operations for the years <br />1991-93. Daily cover needed for operations during these years will <br />be imported prior to winter operation needs. Daily cover is to be <br />stockpiled with respect to the sequence of Landfill operations. <br />