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November 10, 2003 <br />W. W. Wheeler anc! tassociates, Inc. <br />UJater Resources Engineers <br />Mr. Bryce Romig <br />Climax Molybdenum Company, Climax Mine <br />Highway 91 / Fremont Pass <br />Climax, CO 80429 <br />Dear Bryce: <br />Re: #1051.21 Climax Storke Pipeline <br />Certification. <br />The purpose of this letter is to certify that the Climax Storke Pipeline has <br />been installed and completed in general conformance with the project drawings and <br />specifications. The completed 24" HDPE pipeline was hydrostatically tested, per <br />the Plastic Pipe Institute's testing procedure, on November 8, 2003, and passed the <br />test. This testing was personally witnessed by the undersigned, who also <br />conducted periodic site observations during the construction period. This project <br />was completed under the Colorado Division of Minerals and Geology's Climax Mine <br />Reclamation Permit Number M-77-493. <br />In addition to the hydrostatic testing, a portion of the pipeline at the high- <br />pressure end of the system had the joints inspected by ultrasonic methods by an <br />independent testing firm. All of the joints inspected were found to be free of <br />defects and well made. <br />Minor adjustments were made to alignment of the pipeline, and location of <br />the discharge vault, none of which impacted the pipeline integrity. An "as- <br />constructed" drawing set will be provided to you upon final completion of the <br />project. Only a few minor items, such as final grading and installation of <br />miscellaneous culverts, retaining walls and miscellaneous items, remain to be <br />3700 South Inca Street Englewood, Colorado 80110 (303) 761-4130 fRX (303) 761-480Q <br />