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© CLIMA)( MOLYBDENUM COMPANY'S <br />A SubaMiery of Pbalps Ootlpe Mining Company <br />April 12, 2005 ~~ ~ I ;, L uJ r/ <br />Mr. Allen Sorenson / / : i°i: i^:, p. ~ .:r:.:; !. C ,.~~lP,y. <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Climax Mine <br />Hwy. 91 <br />Climax, Colorado 80429 <br />(719]486-2150 <br />Fax (7191 486-2251 <br />/ ~/ <br />RE: TR-07, MLRB Permit No. M-77-493, Mayflower Acid Dosing Station. As-Built Drawin¢s and <br />Integrity Testing Submittal r/ <br />Dear Mr. Sorenson: <br />Thank you for your assistance in the Certification Acceptance of this project. Climax initiated operations <br />of the upgraded system on March 9, 2005. Enclosed, please find copies of the As-Built Drawings and <br />Integrity test report for the tank These are itemized in the transmittal list below: <br />Drawin Rev. Descri lion Co ies Size T <br />602040-1-1101 2 P&ID - AS BUILT 1 D STAMPED, PAPE <br />602040-1-4001 1 Pi in Plans - AS BUII.T 1 D STAMPED, PAPE <br />602040-1-4002 1 Pi in Plans and Sections - AS BUILT 1 D STAMPED, PAPE <br /> 0 Climax Mayflower Water Treatment <br />HzSO4 Tank Thickness, ISNov04, <br />21Dec04 Addendum 1 A Letter Report <br />Commerds: 1. P&ID fully updated. Piping changes to drawings 4001 and 4002 identified by notes only. <br />2. Valves 47 and 48 added. Valve between 33 and 47 & 48 (on P&ID) deleted. <br />Please replace the drawings 602040-1-1101, 602040-1001, and 602040.1-4002 in your drawing sets <br />with the AS-BUII.T Revisions. The balance of the drawing set was constructed as depicted in the drawing <br />set submitted to you is July, 2004. <br />Please contact me with any additional questions regarding this project. I may be reached at (719) 486-2150 <br />extension 615 or via e-mail at troeers(c~phelpsdodee.com. Thank you again for your assistance on this <br />project. <br />Sincerely, <br />~~~ <br />Tavrs D. Rogers, P.E. <br />ProjeM Manager, Climax Mine <br />CC: Bryce Romig, Environmental Manager, Colorado Operations <br />Ron Valentine, Chief Engineer, Climax Mine <br />Jay Cupp, Site Manger, Climax Mine <br />Jeff Todd, TCS <br />