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April 4, 2012 <br /> k. 56 (G.3) <br /> Proposed as Part of the Project: <br /> The project sponsor has prepared a seismicity study for the site. If the <br /> potential maximum peak ground acceleration in the seismicity study is <br /> greater than that assumed in the preliminary design, the final project <br /> design analysis will make modifications needed to meet the factor of <br /> safety (determinations may be subject to the approval of CalRecycle <br /> and/or RWQCB). Impacts to the new liner and drainage system installed <br /> over the Austin Road Landfill will be monitored as appropriate based on <br /> any stipulations of CalRecycle and/or RWQCB. <br /> Current Status: Forward utilizes the updated seismicity study for the final <br /> design of waste management units at the site. These designs are reviewed <br /> and approved by the RWQCB. <br /> I. 57 (G.4) <br /> Proposed as Part of the Project: <br /> Overall reduction—or, in some cases, elimination or improvement—of <br /> slope instability at the project site can be achieved through the <br /> implementation of the seismic design measures designed to meet CCR <br /> Title 27. <br /> Current Status: Forward designs all waste management units at the site to <br /> comply with the seismic design measures included in the CCR Title 27 <br /> requirements. <br /> m. 58 (G.5) <br /> Proposed as Part of the Project: <br /> The applicant's Joint Technical Document references an erosion <br /> management plan that delineates various actions to minimize erosion and <br /> sedimentation, including appropriate construction, landscaping, and <br /> maintenance of graded slopes and subsurface drainage systems. As part <br /> of that plan, grading operations will be scheduled to avoid the rainy season <br /> and be implemented by interim engineering control measures. Before <br /> grading is stopped, slopes will be directed to carry runoff to areas where <br /> erosion and sedimentation can be controlled. Truck beds will be hosed <br /> down to reduce soil spillage on paved roads and wind-blown dust. <br /> Relocation of Littlejohns Creek could lessen the sedimentation potential to <br /> the creek. <br /> Completed cells will be stabilized by the planting and maintenance of <br /> drought-resistant grasses. This will inhibit wind and water erosion and <br /> maximize the fertility of the soil in order to facilitate revegetation. <br /> Page 30 <br />