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1 I - I N <br /> Transit Mix Concrete Co. <br /> Topsoil Preservation <br /> Topsoil will be removed and segregated from other materials per Rule 3.1.9. The United States <br /> Department of Agriculture Natural Resources Conservation Service (NRCS) soil resources data <br /> were used to estimate the depth of salvageable topsoil that will be stockpiled for use in reclaiming <br /> affected areas of the project. Based on the NRCS data, a maximum of six inches of topsoil will be <br /> available for salvage from any new disturbance areas (Exhibit 1). Where practicable, removal of <br /> topsoil will occur when soils are dry to help preserve soil structure, reduce compaction and reduce <br /> the loss of pore space (Vogel, 1987). <br /> As outlined in Rule 3.1.9, where practicable, woody vegetation at the site will be removed from or <br /> appropriately incorporated in the existing topsoil prior to excavation. If this is not practicable, the <br /> woody vegetation will be chipped to incorporate into subsoils, or used as brush windrows for the <br /> project storm water management plan. <br /> The locations of proposed topsoil stockpiles can be found in the figures in Exhibit C. The locations <br /> and configurations of the topsoil stockpiles are designed to minimize erosion and disturbance. <br /> Topsoil removed from the access road corridor will be stockpiled in windrows adjacent to the <br /> access road. During Phases I through 11, topsoil removed will be stockpiled in one of the <br /> designated stockpiles. Beginning in Phase III and occurring through Phase V topsoil will be direct <br /> hauled and placed on reclaimed surfaces. Any remaining excess removed topsoil will be placed <br /> in TS4. The topsoil stockpile will be surrounded by a berm and runoff will be routed past the <br /> stockpile to prevent topsoil loss. In addition, depressions that entrap water on the stockpile will be <br /> avoided to maintain soil viability (Vogel, 1987). <br /> Stockpiled topsoil will be seeded, following initial removal, with a temporary seed mixture (Table <br /> E-6) that will establish quickly and prevent topsoil loss due to wind and water erosion, as <br /> discussed below. This seed mixture was provided by NRCS. All topsoil will be rehandled as little <br /> as possible until final placement on the regraded areas. <br /> Final Grading, Slopes, and Drainage <br /> Grading will occur to create a final topography appropriate to the final land use (Figure F-1). All <br /> affected lands will be graded in a manner to control erosion and siltation to protect areas outside <br /> the affected land from slides and other damage. <br /> The mining and reclamation plan is designed to backfill the pit to the maximum extent practical in <br /> order to reduce the remaining highwalls and to account for wildlife safety. A portion of the fines <br /> material stockpiled at the top of F1 will be hauled or dozed to backfill the western extents of the <br /> pit and to eliminate highwalls in this area and to create a smooth slope between the pit, native <br /> ground and the stockpile. Maximum final slopes including highwalls have been designed to be <br /> compatible with the configuration of surrounding conditions and the final land use, as required per <br /> Rule 3.1.5. <br /> Hitch Rack Ranch Quarry Permit Application <br /> March 20, 2018 E-5# <br />