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�v creek;to precluoe.the desrgri (as defined by flood waters reaching elevaii.. -1:1 feet-in the channel created by ,the over crossing of ;Mosprtal Creek 9by° Interstate 58 0) from overto,pprn the levee:system at `, 25 g 0 feet`fo the north of#he.riorth6m bot,ndary.of the CalTrarrs drainage easement for Hospital Creek r As appropriate.,the longterm (i 6 post mining)rnaintenarice:of the.levee"system to the north-of Hospital Creek shall be under the control ot.:an improvement zone, which is a part of.the.County-wide Flood Corrtrol,bistnct, a riewly.created.County Service Area with the:responsibility for maintaining the levee or„-a newly created Reclamation'District, which will be created priorto mining:the northem mine area. Ih S. HOSPITAL CREEK SETBACK: Bnghtiy colored posts-shall be installed every 50 feet along both sides of the Hospital Creek mining setback boundary area,which is measured 250 feet back from the centerline of the creek channel: Informational:signs shall be posted every 100 .feet which identify this area, as I restricted due to its biological sensitivity. Brightly colored posts shall also'be installed on.each side of the haul road on both sides of the channel in the immediate'vicinity ofthe Hospital Creek ford. t. SOIL RECONSTRUCTION PLAN: The reclaimed land surface shall'be no less than 12 feet above the high level of the water table. The final reclaimed upper five feet of material shall consist of the following: a minimum fine grained soil content of 30%, a maximum sand content of 20%, and a maximum gravel content of 20% recorded on a minimum of 90% of samples taken at a depth of one foot beneath the reclaimed surface, The samples shall also be tested for organic matter with a minimum requirement of 1%. All recommendations of the Re-Soiling, Revegetation, and Erosion Control Plan (contained as Appendix D of the Final EIR)shall be enforced as appropriate during the life of the mine. U. SEISMIC SAFETY: If strong seismic shaking is experienced at the project site as the result of a moderate to large earthquake (M 6 or greater) along the CRSBBZ, the project site shall be inspected by a qualified licensed civil or geotechnical engineer to determine f if liquefaction or seismic subsidence has occurred and resulted in visible damage to t reclaimed lands. A report, including recommendations to repair any damage that may have occurred, shall be submitted to the Development Services Division for review and approval. Upon approval by the Department Services Division, the proponent shall implement the recommendations set forth in the report. v. CULTURAL RESOURCES: The excavator shall cease all construction and excavation work immediately upon the discovery of cultural resource materials. Such work shall cease until the excavator has compiled with the requirements of Appendix K of the CEQA Guidelines. W. ENFOkCEMENT: Except as otherwise provided in State Mining Regulations, the County shall have authority to enforce provisions of the Surface Mining and Reclamation Act. The County may exercise all enforcement regulations available under the County Development Title and the State Public Resources Code. Such enforcement measures include charging the applicant the costs of administering an enforcement action.. The basis for charging fees for an enforcement action shall be a time and materials compensation. (Development Title Section 9-1415.2[t])