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11 <br />NORTH COUNTY LANDFILL <br />For 2018-2019 winterization operations at North County Landfill (NC), the following <br />existing winterization measures are in place: <br />MODULES 1-4 <br />1. Grading <br />a. The top deck of Modules 1-4 have been graded to drain with 3% slope. <br />Soil berms have been placed to channel storm water runoff to designated <br />low spots or down drains. <br />2. Drainage Ditches <br />a. The existing drainage ditches on the perimeter of Modules 1-4 will be used <br />to direct storm water runoff into NC's storm water pond and the wetlands. <br />b. The existing perimeter drainage ditch west of Modules 1-5 will be used to <br />direct most of the storm water north to the wetlands. <br />1001111111101671000 - 1�. <br />a. The existing down drains on Modules 1-4 will be used to convey storm <br />water to the existing perimeter drainage ditches. <br />4. Customer Haul Road <br />The existing customer haul road from scale house to lined areas are paved. <br />Haul road from edge of module 5A to winter pad of 5A have been constructed <br />with rock base. The existing customer roads will provide full access during wet <br />weather (Figure 1). <br />5. Erosion /Sedimentation Control <br />The existing side slopes of Modules 1-4 have established vegetation to provide <br />erosion and sediment control. <br />NC -2018-19 Winterization Plan Page 1 of 3 Revised 10/12/2018 <br />