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d. "the approximate date the proposed activity will commence and end, however, such <br /> dates shall not be an enforceable condition;" <br /> Importation will occur any time after the notice approval date. Importation will continue for <br /> the life of the mining operation. The importation of fill material will end prior to the end of <br /> site reclamation and final grading. <br /> e. "an explanation of how the backfilled site will result in a post-mining configuration <br /> that is compatible with the approved post-mining land use; and" <br /> Imported fill will aid in achieving the approved post mining topography and reduce the depth <br /> of the final pit at various locations. Importation and disposal of construction waste material <br /> will not impede achievement of the post mining land use, i.e. wild life habitat. <br /> f. "a general engineering plan stating how the material will be placed and stabilized in <br /> a manner to avoid unacceptable settling and voids." <br /> Material placement will occur at the foot of steep slopes and other areas of the operation <br /> where placement of fill will help reduce the cost of achieving the desired reclaimed slope, <br /> lower a slope gradient and improve pit floor topography. <br /> Slopes associated with the Fountain Mutual Ditch will be final mined at either a 3H:1 V slope <br /> or 4H:1 V slope, dependent upon slope location. Fill material at these locations will only be <br /> used to achieve a gradual transition from slope to pit floor. <br /> All placed construction material will be graded and compacted in one foot lifts. The <br /> highwalls above the placed fill will then be graded over the compacted fill material. This <br /> process will assist in achieving the desired post mining topography and will aid slope <br /> stability. <br /> For material placed directly on the pit floor, it will be graded out as part of the normal regrade <br /> process and will not be compacted. In fact it must be loose and rough in order to receive <br /> replaced topsoil and then seeded. <br /> Respectfully, <br /> Mr. Brandon Heser <br /> Production Manager <br /> Transit Mix Concrete Co. <br /> Encl: Example Certification Document <br /> 3 <br />