y infeasible, or not required by the Surface Mining Operation, the Commission or Council may waive these requirements in whole or in part. (c) No Surface Mining Operations from an open pit shall be Permitted which creates a final perimeter slope steeper than one foot horizontal to one foot vertical. (d) Surface Mining Operations shall be conducted in accordance with applicable standards of the Regional Water Quality Control Board and/or any other agency with jurisdiction over water quality (e) Mined Lands shall be enclosed along their exterior by a fence, wall, landscaping, berm, or combination of these features, which shall screen the Surface Mining Operations from adjoining property. Enclosures shall be designed, constructed, and maintained to be consistent with the Flood Hazard Management Specific Plan. If the Commission determines that the enclosure would be impracticable because of the location of the Mined Lands in the bed or flood channel of a wash or water course, or because one or more boundaries are located immediately adjacent to M2 or less restrictively zoned property, this requirement may be waived by the Commission. (f) Whenever production on any Property is Abandoned or Surface Mining Operations Completed, all plants, buildings, structures (except fences), and equipment shall be entirely removed from the property, and all stockpiles shall be removed or backfilled into the pit within one year of Abandonment of Operations or completion of Surface Mining Operations. This provision shall not apply to any plants, buildings, structures, or equipment whenever any rock and gravel or other Minerals are available in the same District from other properties owned by the Operator which is processing by or through any of these plants, buildings, structures, or equipment. (g) No Surface Mining Operations shall be conducted on any property except between the hours of 6 a.m. and 8 p.m., except in case of an emergency or whenever any reasonable or necessary repairs to equipment are required to be made. Surface Mining Operations in an M-3 zone and more than 1,200 feet from any residential use may be conducted between the hours of 5 a.m. and 10 p.m.