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The Leadville Mill M 1990-057 <br /> EXHIBIT C—MILL PLAN <br /> Page 4-21 <br /> 54,000st. The total pond capacity is 22.4ac-ft. Additional expansion requires <br /> increasing the disturbance area beyond the 10ac 110 permit maximum disturbance <br /> and the conversion from a 110(2) permit to a 112 permit. <br /> TABLE 4-11: TSF IMPOUNDMENT VOLUMES <br /> Description Volumes <br /> Cut(yd ) 18,000 <br /> Fill(yd ) 23,000 <br /> Net Excess(yd ) (5,000) <br /> TABLE 4-12: TSF CAPACITY <br /> Tailings Storage Volume Capacity <br /> Total Volume(yd3) 43,000 <br /> Freeboard Volume(yd3) 6,790 <br /> Net Volume(yd3) 36,210 <br /> Net Volume(ft3) 977,670 <br /> Net Weight(st) 54,315 <br /> Production Rate(st/y) 56,000 <br /> Concentrate(11%mass pull) 6,160 <br /> Concentrate Shipped(wet st) 6,840 <br /> Tailings(89%)(st) 49,840 <br /> Solids(%)14 65,%57% <br /> Water(%) "O�m <br /> Water Reclaim(%) 90% <br /> Net Tailings Slurry(st) 52,524 <br /> Capacity(years) 1.03 <br /> 4.3. 1 TSF CONSTRUCTION PREPARATION (6.3.3(2)(b)) <br /> Construction of the TSF impoundment requiresd the removal and replacement of <br /> approximately 950st of historic tailings and approximately 50st of magnetite, both <br /> currently contained within the unlined facility. The TSF overburden stockpile to the <br /> east of the existing impoundment will also be removed and incorporated into the fill <br /> construction of the lower access road to the concentrate storage, and fill for the <br /> impoundment. <br /> 4.3.2 SUBGRADE PREPARATION (6.3.3(2)(b)) <br /> Timbering, stump removal, and topsoil removal w+4 has occurred prior to diStbIFbiRff <br /> The timbering and stump removal wW has been performed by local <br /> contractor v6,& a In d the timber w a s removed from the site. The topsoil will be <br /> 14 Typographical error corrected in Version 2.0 <br />