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rmcwmmTransit Mix Concrete Co. C) <br /> RPM,Inc. <br /> (e) an approximate timetable to describe the mining operation: <br /> As stated above, the pond will be placed into operations once the design capacity of the existing <br /> waste fines disposal pond is reached. The proposed new pond is designed to be in operation for <br /> 5 to 10 years, dependent on operation needs. <br /> 6.4.5 Reclamation Plan: <br /> (1) ...fmal grading, drainage, seeding, fertilizing, topsoiling and other <br /> revegetation... <br /> The pond will be reclaimed per the proposed grading plan and the existing and approve <br /> reclamation plan for the two existing wash fines disposal ponds. <br /> 6.4.7 Water Information: <br /> (1) Impact to ground water: <br /> The proposed wash fines disposal pond will not impact the ground water flow regime. The floor <br /> of the proposed wash fines disposal pond will be at least 2 feet above the natural ground water <br /> elevation. <br /> Ground water quality will not be affected by this operation during facility construction or during <br /> its use as a wash fines disposal pond. Non-toxic and non-hazardous flocculants shall be added to <br /> the fines/water mixture in a thickener vessel to help settle out the fines component. The slurry <br /> mixture is then delivered by pipeline to the new pond. According to the supplier representative, <br /> the ionic reactivity of the "floc" will have been "killed"by the time the slurry reaches the pond. <br /> Construction operations are not expected to intercept the regional ground water table. However, <br /> if ground water is exposed during construction, the area(s) will be backfilled with clean fill to at <br /> least 2 feet above the exposed ground water level. This practice is in conformance with DRMS <br /> requirements. <br /> In addition, the construction operations will be subject to the Daniels Sand Pit #2 Spill <br /> Prevention, Control and Countermeasure Plan in the event of any fuel or oil spills. <br /> 10 <br />