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I be in compliance with this standard. Potential impacts related to soil erosion on the reclaimed slopes are addressed in Mitigation Measures 4.2-3a and 4.2-3b. Sec. 9-1415.3{8} Replacement of Topsoil.. In agricultural areas, 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. This requirement may be waived if the property is to"be rehabilitated for a use other than agriculture which is consistent with the General Plan, or if a soils report indicates the replacement of the topsoil will not enhance the agricultural suitability of the property. In such cases, the topsoil may be removed from the site. t The reclamation plan proposes to remove and segregate topsoil during excavation. The segregated soil would be used to construct the vegetated 'landscape berm. The reclamation of the bottom of the mining area would be filled with processing fines and any . _ additional topsoil. Under this plan, all of the topsoil would not be used for replacement in the proposed agricultural reclamation area. Therefore, the project would not appear to be in compliance with this standard. The Ian doe p p snot contain a sols report that indicates that the topsoil would not enhance the agricultural capability of the soil. Mitigation Measures 4.2-8a and 4.2-8b address potential impacts on the agricultural capability of the project site soils. Sec. 9-1415.3(k)(1) Terracing Required. All slopes over fifty (50) feet in height shall be terraced with a maximum vertical distance between terraces of fifty (50) feet. Each terrace or bench shall be a minimum of twelve (12) feet wide. 4 . The design of the.proposed project, which includes slopes in excess of 50 feet in height, provides for benching of final reclaimed slopes in conformance with this standard. 4 Sec. 9-1415.3(k)(2) Terrace Drainage. Drainage plans with calculations shall be ell submitted :for approval to Development Services Division for all ' terraces as part of the reclamation plan. Terraces for reclaimed final slopes shall be sloped back towards the ' fill and be designed such that runoff is directed to collection points - where it can enter catch basins and be conveyed via pipes or other acceptable. conveyance to the toe of the slope. The spacing of collection points shall be no greater than 1,500 feet, with each r-- reclaimed final slope face that has terracing shall have a minimum of one (1) down drain. The method of transporting the water along the flow line of the terrace to the down drain, so as to prevent erosion and possible slope failure, shall be approved by the Development Services Division. Draft Environmental Impact Report 5 ER-96-3