Laserfiche WebLink
NEWMONT <br /> GOL DCORR Ncwmont Goldcorp <br /> Cnpplc Creck&Victor Minc <br /> 100 IV 3`d Street <br /> PO Box 191 <br /> Victor,CO 80860 <br /> ncwmontgoldcorp corn <br /> SENT CERTIFIED, RETURN RECEIPT REQUEST <br /> FQECsEIVED <br /> 7017 0360 0000 6681 5775 <br /> May 16, 2019 MAY 2 0 2019 <br /> VWS"of RECLAMATION <br /> Mr. Timothy Cazier, P.E. MINING AND SAFETY <br /> 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 /> Re: Permit No. M-1980-244; Cripple Creek & Victor Gold Mine; Cresson Project; <br /> Written notification —VLF2 Process Solution Release, May 13, 2019 <br /> Dear Mr. Cazier: <br /> In accordance with Rule 8, Section 8.2.3 of the Mineral Rules And Regulations of the <br /> Colorado Mined Land Reclamation Board For Hard Rock, Metal, And Designated <br /> Mining Operations (Rules), Newmont Mining Corporation - Cripple Creek and Victor <br /> Gold Mining Company (CC&V) hereby provides the Division of Reclamation, Mining and <br /> Safety (Division) with a formal report regarding the May 13, 2019 process solution <br /> release that occurred at the Squaw Gulch Valley Leach Facility (SGVLF or VLF2). <br /> Photos 1 and 2 show the area where the release occurred. <br /> The following points address the requirements of Rule 8, section 8.2.3: <br /> a. Actions taken to respond to and correct the emergency situation or condition <br /> • Around 7:00 am on May 13, 2019 a factory weld on a 12 inch HDPE <br /> elbow, that fed the 9,750 elevation, cracked at the joint and sprayed <br /> barren process solution off-liner affecting about 5 cubic yards of material. <br /> The remaining barren solution drained across DCF and created an <br /> erosional feature approximately 500 feet long and 2-4 feet deep to expose <br /> the liner. <br /> • Approximately 150 gallons of barren solution sprayed off-liner on the <br /> northwest side of the 9,650 elevation. <br /> • CC&V personnel addressed the problem by shutting the valve at the 30 <br /> inch steel header supplying barren solution to the 12 inch HDPE pipe. <br /> • This release was due to a valve being closed at the 9,750 elevation on the <br /> 12 inch HDPE pipe which caused a pressure differential between the 30 <br />