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Map C-2 shows the sump. <br /> The ricer access road is constructed across all area irhieh consists of Icuge cobble <br /> and boulders. Please describe hots the sump hill he constructed. In addition, specifj• <br /> if the stnnp grill he lined or unlined. <br /> The sump will be excavated within the existing area at the base of the road. The material in this <br /> area is less cobbly than further uphill near the mining operation, and while the operator has seen <br /> from experience that runoff does not seep into the material in this area, a plastic liner(PVC or <br /> HDPE) will be installed in the sump to prevent seepage. <br /> 3. The Operuior has slate(l the river"access road is unrelated to the inininq operatioll, <br /> During the Inspection conchrcied on.hi nc 2, 20/_, the Division observed a portable <br /> Irrrnrl)and associale>d piping located at the base of the river access road. The <br /> pnPo.ce cif the Pump ii,as to divert irater./roan the.11idd1e Fork of the South Platte <br /> Kira into a hoklirlg powl. The observed activili•is directh•related to the operation <br /> of the nine and the Division considers the rh,er•access road to he of fected area. <br /> Please describe ho►r they river access rood gill be irtili_ed in relation to facture <br /> mining operations. Will the Operator continue to locale a Pliny)at the base of the <br /> ri1•er access road. <br /> The Operator may use a pump in this location at the base of the river access road at some point in <br /> the operation's future. The river access road will be used for river access as needed. <br /> The Operator disagrees with the Division's assertion that a legal diversion of water from the <br /> South Platte River is a mining activity because the water's end use is mining related. <br /> Conclusion <br /> The table below lists the revised pages, new pages, and revised maps attached to this response. <br /> Attachment Table <br /> --------- ------------ ---- ----------------- <br /> Attached Page Attached Map <br /> C-2 <br /> To facilitate the review of this response, the applicant requests an extension date to June 30, <br /> 2018. <br /> Please contact me with any further questions. <br /> Regards, <br /> C <br /> Ben Langenfeld, P.E. <br /> Fairplay Au TR08 2 <br />