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County of Riverside <br /> cover, including perimeter access road and surface drainage system, will be routinely evaluated <br /> and inspected monthly for any evidence o£ <br /> • Soil erosion <br /> • Settlement and subsidence <br /> • Exposed refuse <br /> • Cracks <br /> • Ponded water <br /> • Vegetation stress <br /> • Odor <br /> • Slope failure <br /> • Leachate seeps <br /> Deficiencies such as cracks, erosion damage, or settlement in the final cover will be evaluated <br /> regarding their extent and depth. The evaluation will include determining the severity of the <br /> problem, prioritizing their repair, and determining the best method of repair. Materials and <br /> methodologies for repairs and restoration will be consistent with the final cover construction <br /> specifications by The Earth Technology Corporation, dated 19933, Appendix E. SEI shall <br /> request an MSHCP/ nesting bird clearance survey prior to scheduling any landfill cover <br /> repair/restoration activities. The County shall provide a calendar period when abatement <br /> activities may occur. County will also identify areas where abatement work is prohibited, if any. <br /> The timing of weed abatement activity will be coordinated with the County under the same <br /> survey period. Cause(s) for the damage will be reported in writing in the record of maintenance <br /> activities prepared by SEI and submitted to the County per Section 9.2.1. <br /> Ballast and/or Skid Supported — If settlement or damage to the cover occurs beneath a ballast <br /> block supported solar array or inverter supported skid, the support structure and arrays will be <br /> temporarily moved out of the way until repairs are complete and then returned to their proper <br /> location. <br /> Areas that have ponded water or have settled will be filled with clean soil imported from off-site <br /> and approved by the County, free of deleterious material. After filling and re-grading, the areas <br /> will be resurfaced. <br /> Should a failure in the cover area occur, the area will be closed off to prevent damage to <br /> equipment or harm to humans and the environment. A licensed civil engineer retained by SEI <br /> will be notified to assess the failure and recommend appropriate corrective action. Specific <br /> corrective action will depend on the extent, nature, and location of the failure. Corrective action <br /> measures will be developed by the civil engineer and be subject to approval by the County and <br /> regulatory agencies. <br /> A record of final cover maintenance activities will be prepared by SEI and submitted to the <br /> County. The record will include the date, location, and extent and nature of the maintenance <br /> activity. Regulatory agencies will be notified as required by the site's permit and approvals. <br /> 9 <br />