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Golder Associates Inc. <br />44 Unian Boulevarq, Suiie 300 <br />Lakewood. CO USA 80228 <br />Telephone (303) 980-05A0 <br />Fax (303) 985-2080 <br />June 2, 2003 <br />Cripple Creek & Victor Gold Mining Company <br />P.O. Box 191 <br />2755 State Highway 67 <br />Victor, Colorado 80860 <br />Attention: Mr. Ron Roberts <br />RE: RISER PIPE MODIFICATION -RFI NO. 104 <br />Dear Ron: <br />a Golder <br />ASSOCI2~eS <br />Our Ref: 003-2203 <br />lUN 0 5 2003 <br />piviston ~I Mlnecals and Geolo9V <br />Golder Associates Inc. (Golder) has prepazed this letter for the Cripple Creek & Victor Gold Mining <br />Company (CC&V) regarding Request For Information (RFI) No. 104 submitted by Ames <br />Construction. RF[ No. 104 presents a proposed modification to the riser pipe configuration. The <br />proposed modification consists of replacing the 26" HDPE pipe lengths entering the Phase IV PSSA <br />sump with steel piping. <br />Golder has reviewed the proposed modification and agrees that steel pipe may be used to replace the <br />HDPE pipe lengths in the sump. The steel pipe must have the same wall thickness (schedule 40) as <br />the steel stub pipe material. <br />Golder appreciates the ongoing opportunity to provide engineering services for the Cresson Project. <br />Please contact the undersigned with any questions. <br />Sincerely, <br />GOLDER ASSOCIATES INC. <br />Jo - .Lupo, Ph.D., P.E. <br />Sr. Project Manager <br />~eo~zzo?~oioowo?zzo?.o~ai.ozaox~~~~.aw.~ <br />