Laserfiche WebLink
Cripple Creek & Victor Gold Mining Company <br />A Joint Venture - ANGLOGOLD ASHANTI (COLORADO) CORP., Manager <br />Operations Office <br />P.O. Box 191 - 100 North Td Street <br />Victor, Colorado 80860 <br />(719) 689-2977 - Fax (719) 689-3254 <br />April 14, 2009 <br />SENT CERTIFIED, RETURN RECEIPT REQUESTED <br />7006-2150-0005-2770-4451 <br />Mr. Berhan Keffelew <br />Senior Environmental Protection Specialist <br />Colorado Department of Natural Resources <br />Division of Reclamation, Mining and Safety <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Reference: Cripple Creek & Victor Gold Mining Company, <br />Cresson Project Phase 5 Construction <br />Subject: AMEC Request for information (RFI) No. 090601-A-CCV-R0015 <br />Dear Mr. Keffelew: <br />"So K? <br />W4 I <br />a <br />Cripple Creek & Victor Gold Mining Company ("CC&V") is hereby providing a copy of a response from Mr. John <br />Lupo with AMEC Earth and Environmental (AMEC) dated April 9, 2009 and accepting a modified Plasticity Index <br />(PI) for three (3) of the twelve (12) aggregate materials associated with the Phase 5 Valley Leach Facility (VLF) <br />specification. <br />As noted on the response, these modified PI for aggregate materials are for the Fine Shaft Backfill (FSB), Pipe <br />Bedding and Granular Filter and does not request modification to the remaining 9 aggregate materials, including the <br />Soil Liner Fill (SLF) aggregate. Per John Lupo's approval letter, these acceptable PIs will not have a significant <br />affect on the performance of these materials in the Phase 5 VLF design, and as such, CC&V is moving forward with <br />implementing this approved modification for the project. <br />Should you have any questions, please do not hesitate to contact me at (719) 689-4055. <br />Sincerely, <br />Timm Comer <br />Chief Environmental Coordinator <br />Enclosures: AMEC Response to RFI No. No. 090601-A-CCV-R0015