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f. PERFORMANCE STANDARDS: Standards contained in Chapter 9-1025 shall be met unless otherwise modified by conditions of the Quarry Excavation Permit. (Development Title Section 9-1415.3[e]) g. HOURS OF OPERATION: Plant operations shall normally be carried on during the hours from 5:00 a.m. to 9:00 p.m. Additionally, scraper operations shall not occur 400 feet of the two existing residences south of the project site during the hours from 10:00 p.m. to 7:00 a.m. h. REPLACEMENT OF TOPSOIL: The topsoil shall be set aside, and upon completion of an excavation, the topsoil shall be replaced and the site leveled in conformance with the excavation permit. (Development Title Section 9-1415.3[g]) i. WEED CONTROL: If noxious weeds are on the site, operations shall be in accordance with instructions from the Agricultural Commissioner of San Joaquin County. (Development Title Section 9-1415.3[h]) j. SETBACKS: No excavation shall take place within 25 feet of the north and east property of lines, 75 feet from the centerline of MacArthur Drive, and 25 feet from the southern property line or 100 feet from the centerline of Corral Hollow Creek, whichever is greater. (Development Title Section 9-1415.3[j]) k. TEMPORARY CUT SLOPES AT SETBACK LINES: The temporary cut slope shall not exceed 1.5 horizontal to 1 vertical. I. FINAL SLOPES: Final slopes shall not exceed 2 horizontal to 1 vertical. A slope stability analysis shall be prepared which takes into account that the final fill slope is being placed over a cut slope. The minimum slope stability factors shall comply with requirements of Development Title Section 9-1415.3(k)(4). m. EXCAVATION/RECLAMATION SCHEDULE: The reclamation plan shall show the phases of excavation. Reclamation on the phase of an excavation shall be initiated prior to the start of the next excavation phase. The final reclamation of any phase of excavation shall be completed within two years of the commencement of the reclamation process. Excavation shall be limited so that at any point of time a maximum of one phase is being reclaimed while one phase is being excavated. (Development Title Section 9-1415.3[o]) n. TIME LIMITATION: The Quarry Excavation Permit shall remain in effect as long as the excavation continues in compliance with the approved Permit but not longer than six years from the date the project is started. (Development Title Section 9-1415.3[p]) 0. ANNUAL INSPECTION REPORTS: Annual inspections of the excavation shall be conducted by the County to ensure compliance with the conditions of the permit and the reclamation plan. The County may use professional services as provided for in Section 9-240.11. The consultant shall be selected by San Joaquin County. Upon completion of the annual inspection, the person in charge of the mining operation shall submit to the State Geologist and the County a report which shall contain all the information as required by Section 2207 of the Public Resources Code. The cost of the inspection shall be paid by the mine operator. Additional inspections may be conducted, but the cost of additional inspections shall be paid for by the mine operator only if non-compliance with Conditions of Approval - 2 - QX-96-2