Laserfiche WebLink
CLIMAX MOLYBDENUM COMPANY HENDERSON 013M ONSt <br />A 3.yC5.D?J?r Ji Phefrs Mage :D" DD%at u^ 153C:c' ?_,. ?t r aao? :3 <br />-----? Pa^sra?t Co?a-acc 30a6E3 <br />1303; 5n 1 3221 <br />Fax 19701 7? 1-0038 <br />%•lar 23. 20U2 <br />Mr. Allen Sorenson <br />Environtnetltal P1'0WCti01l Specialist h` <br />Colorado Division of Minerals and Geoton ~ <br />W <br />1313 Sherman Street. Room 211 <br />Denver. Colorado 80203 <br /> <br />RE: 3 l7am Sr4p?vatcr ,Management. 2002 Leal. Do%k n Test Certification- Henderson Mill. (,1 <br />Technical Re%ision TR-09, Permit No. Nl-7?-342 ;d <br /> <br />Derr Mr. Sorenson. Q <br />This letter is to provide the Division of Minerals and Geology (Division) with the t•csults of the <br />3002 leak duwn test oil the 3-Darn seepwater lines. :Although Henderson had earlier asked for <br />permission to belay the test until after the completion of a proposed project to relo tale the I-Dam <br />seepwaler line discharge, we performed the test on May 22" dlte to concerns that the discharge <br />relocation project will not be completed this summer. <br />Tile test was completed in the to1lowing manner. On May 16"' the 3-Darn seepv atc r tltsch.trge <br />halves were closed. The pipes were allowed to till until completely full on the nlorning u! ylat <br />"IT". A small trash pump was utilized to speed up the filling process. Once both lines were full. <br />the inlet valves v ere closed and a pressure reading was taken from the pressure gage located at <br />the discharge vah es. The initial pressure reading was taken on May 22"1 at 9 Ah1. Both gages <br />read 78 psi. Pressure readings were taken again 24-hours later and both gages read 78 psi. <br />Therefore both lines have passed the annual leak down certdicution as required b) T11-009. <br />Please find enclosed a certification from l4tr. Nlichael Ley. Civil Engineer/Project ltuna,,et. <br />regarding the results reported to the Diviscin for the annual 3-Dam leak down test <br />Please call if you have any questions. I can be reached at (303) 569-3231 ext. 2214 <br />Very truly yours. <br />Erich Bower <br />Sr. Environmental Engineer <br />Climax Molybdenum CoTnpan4 <br />Enclosure <br />Cc: Mike Lev - Cltnla-x <br />Rich Wagner - Climax <br />Dave Long - Clitnax