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i <br />t? <br />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 3 ' Street <br />Victor, Colorado 80860 <br />i 7191 689-2977 - Fax (7191689-3254 <br />SENT CFR 1*11=11:1). RF I ( RN RIVI.IPT RLQ(TSI FI) <br />700 3-2260-0004-8(IS2-i99? <br />No\cmbcr 16. 20110 <br />k <br />Mr. Berhan hellcle\\ <br />I:n\ ironnlcntal Protection Specialist <br />Colorado Department of Natural Resources <br />Di\ isiun of Rcclanlatioii. Mining and Safety C <br />Ofine of Mined Land Reclarnati011 <br />13 13 Sherman Street. Room 21 <br />D em er. Colorado 80203 <br />RC: <br />Dear Mr. hcf'tcle\\: <br />CC&V herein pro\Ides this response as requested h\ DRN1S in the inspection report dated September 14, <br />2009- This response is being pro\ ided to DBMS \\ithin 60 daVS of receipt of the inspection report, \\hich <br />was received b\ (V&V on September 24. 2009. <br />As noted in that inspection report, a potential problem ("PB") \\as identified \\ ith one ofthe Low Volume <br />Solulloll Collection S\stenl rI.VSCS") associated \\ilh the Valle\ Leach Facilit\ ("VLF") As a result. <br />(J'& .V submits the lilllo\\img, -\\ork plan- to increase the pumping capacity iOr Pump # I \\ ithin the Phase <br />IVh I.VSCS from the sump to meet that requirement for' it permanent solution liar maintaining less lhan 2' <br />of It\drostatic head \\ ithin the Phase IVb LVSCS sump. <br />Based on a re\ ic\\ of monitoring data b\ CCKV. the quantity of \\ater recovered bV the pumping systems <br />associated \\ ith the I.VSCS in Phase IVh appears to ha\ e increased from a t\ pica) approximate range of <br />60-90 gpm of combined Ilo\\ reco\e rcd b\ both Pump # 1 and Pump ?2 to a range of approxinuae l\ 80- <br />1 10 gpm ofcombiued flo\\. The llo\\ ol'water reeoVered h\ the Phase IVh I.VSCS pumping s\stenls at <br />these levels in the past have been managed h\ the t\\o existin2 punlpimu, s\stenls, \\hich could he <br />supplemented \\ ith the use of an external. gas-powered booster pump. This re\ ie\\ indicates that the <br />majority of the increase in tlo\\ r'ale of \\ater reporirng into the stamp is associated \\ ith Pump 41.