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LTC-8 (901) <br />CONTRACTORS <br />ENGINEERS <br />DEVELOPERS <br />~MORRISON-KNUDSEN COMPANY, INC. <br />EYEC UiIVE OFFICE <br />MORRISON.KNUDSEN PLA$A <br />PO BO%]B091BO4E.I0P~SA 61129 <br />PHONE 12081386 50001 iE1 %. 76Bg9 <br />April 14, 1986 <br />Mr. D. J. Rose <br />Operations Manager <br />Yampa Mining Company <br />P. 0. Box HH <br />Hayden, Colorado 81639 <br />,•,:•I - <br />~~,., ~;^ iy86 <br />Subject: Certification of Outfall 003 - Facilities Pornt~. .: .. <br />Dear Mr. Rose: <br />f' <br />On April 11, 1986 I performed an inspection of the outfall 003 located at <br />the Facilities Pond at the Hayden Gulch Mine. I am a registered Profes- <br />sional Engineer in the State of Colorado and am experienced in the design <br />and supervision of earthen construction. <br />The purpose of my inspection was to certify the structure as required in <br />Rule 4.05.06(7) of the Colorado Mined Land Reclamation Division (CMLRD). As <br />part of I~ly inspection, I have reviewed the permit design documents, surveyed <br />information of the site, and have inspected the structure. I have also <br />discussed the construction of the structure with the engineering staff at <br />the mine. <br />The structure named herein has been constructed to a design that approxi- <br />mates that of the original permit application and has adequate storage and <br />flood prevention characteristics. The construction of the structure has <br />been accomplished using prudent and proper construction techniques. <br />I hereby certify the structure as meeting the criteria of the CMLRD as <br />defined above and as approved in the current Mine Permit. <br />l+~'~~E~G E Hf ~s~ .. <br />:~ <br />~Q~ , ~15iFq ./~;, <br />~ , f/j <br />~ rry ~ egistered P. E. No. 17570 <br />JES:sr i ~or~~ E'°~QtP~~~ <br />.• <br />REPLY i0 MORRI$ON.KNUDSEN COMPANY. INC <br />PO BO% t 1219 <br />$AN 4N10WO. iE%A$U 5 A iB2t1 <br />PHONE 1512182%~MBI <br />