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W. UL Wheeler and 4;; �date Inc. <br /> Water Resources Engineers <br /> October 9, 1996 <br /> <M - 1 ? 7 7 3 <br /> Mr. John Clapper, Site Manager <br /> Climax Molybdepum Company <br /> Climax Mine ✓ <br /> Highway 91, Fremont Pass <br /> Climax, Colorado 80429 <br /> Re: #1 C 51.17 Dam No. 4 <br /> /Seepwater Return <br /> /� System <br /> Dear John: <br /> Enc!osed are two sets of drawings for the Cam No. 4 Seepwater Return System <br /> project which have been approved and signed by the State Engineer. As you know, the <br /> portion of the pipeline that passes through .,.E am ;`!o. Y requires State <br /> Engineer approval since it could have an affect on the integrity of the dam. As stated in <br /> the letter that was sent to you by the State Engineer, the construction of the pipeline <br /> within the area of the embankment will require field Inspection by a registered professional <br /> engineer, and a gradation analysis and compaction testing of the fill. We propose to have <br /> Kumar and Associates perform the testing. Perhaps they can coordinate the compaction <br /> testing of the pipeline backfill with the inspection of the existing clay blanket barrier. In <br /> any event, we would like at least two days notice prior to any work being done in the area <br /> of the Dam No. 4 embankment and spillway so that we can notify the State Engineer and <br /> arrange to inspect the construction and test the fill. <br /> As always, if you have any questions, please call. <br /> Sincerely, <br /> W. W. <br /> . WHEELER AND ASSOCIATES, INC. <br /> Steven M. Maly, P.E. <br /> SMM:sm <br /> w/ encl. <br /> cc: Mark Pardi, Kumar & Assoc. (w/ drawing set) <br /> 3700 South Inca Street Englewood, Colorado 80110 (303) 761-4130 FPX ,303) 761-2802 <br />