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Banks and Gesso, LLC <br />Phase 2 Mining Methods <br />The Applicant proposes to wet mine during Phase 2. No dewatering will occur during <br />Phase 2 mining operations. <br />Initial mining operations during Phase 2 will include topsoil and overburden stripping. <br />Following topsoil and overburden stripping, raw materials will be removed with <br />excavators. Excavated materials will be loaded onto a field conveyor for transport to the <br />plants in Mine Area 1. Refer to Exhibit C-3 for further details. <br />Earthmovinp Operations <br />Earthmoving operations will begin with the grubbing of existing vegetation. Stripped <br />topsoil and grubbed vegetation will be stockpiled for later use in reclamation. Berms will <br />be constructed and strategically located around the perimeter of the site and seeded <br />with the temporary mixes identified in Exhibit E. During subsequent stripping operations, <br />overburden from one area may be placed directly, to near final grade, in other areas <br />being concurrently reclaimed. <br />The average depth of topsoil and overburden is approximately 3 ft. In Mine Area 1, <br />approximately 23 ft of sand and gravel underlies the overburden for a total average <br />excavation depth of approximately 26 ff. In Mine Area 2, the depth of sand and gravel <br />ranges from 10 to 15 ft, for an average excavation depth of approximately 16 ft. <br />Water Diversions and Impoundments <br />The entire site will be graded to direct stormwater runoff towards ditches and dewatering <br />systems. A CDPS permit will be obtained from the Colorado Department of Public <br />Health and Environment (CDPHE) for the dewatering operations. <br />Aggregate processing water will be separate from the dewatering and stormwater <br />systems. With evaporation and product moisture losses, there should be no need to <br />discharge processing water. Moreover, some dewatering discharges will be diverted <br />back to the processing water system. During mining operations the sediment ponds will <br />be located along the western boundary of Mining Area 1. Sediment ponds will be <br />maintained below existing grades so that precipitation will be retained in these areas. <br />Heit Sand and Gravel Mine <br />SW Meadow, LLC <br />02044 <br />February 2003 <br />6 <br />