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MEMORY TRANSMISSION REPORT <br />PAGE :001 <br />TIA¢ :JAN-29-04 15:43 <br />TEL NUI~ER1: +13038663567 <br />NAME :Colorado Division of Minerals & Geolosy <br />FILE NUMBER 848 <br />DATE ~ JAN-29 15:42 <br />TO $19703281035 <br />DOCUIrffNT PAGES 001 <br />START Tllk JAN-29 15:42 <br />END Tll~ff JAN-29 15:43 <br />SENT PAGES 001 <br />STATUS OK <br />FILE NU610ER :648 *** SUCCESSFUL TX NOTICE *** <br />STATE OF COLORADO <br />p(V (5(pN pF M~NERALa ANa GEOLOGY <br />wpar,mnnt af'Natural aasourus <br />19t9 Shannon'SC, Room 215 "' ' <br />~~ <br />C O L O R ND O <br />wn..en Coloraac 9oto9 <br />Phan: (9031 a649561 o <br />!bt i N F. AA L S <br />F,~%: (3031 633b106 6.- <br />G E O L O G Y <br />7anuary 29, 2004 <br />Mr. Soho W. Rozelle c'o.,....o. <br />La£argc Wcst, Inc. ~.~u.`'V. o~ARar <br />1400 West 64`h Avmuc <br />Dcnva, CO 60221 aan.la w. c.mnr <br />1 ~ oroya~an oln® <br />w. 1 a,•.a...~. z..,.... <br />RE+ Destgst InjormmioR jar East Pit Iniet and O¢tlae St>.¢a¢res, B..tst3 R¢¢eh Pi; Lgf¢rge <br />Reje~eace N¢_ 805-430 Techxic¢i Revision TR-OOl, Permit N¢. M-1960-I3I <br />Doerr Mr. Rozelle: <br />The Division of Minerals arced Geology <DMG) bas cotnpleted a renew o£tha tachtucal revision TA-001 <br />application for iha 8vaa Reach Pit. The TR-001 application requcats approval to itasxall inlet aced ourlet <br />structures ax the perimeter oFthe eastem most oFthe Buna tz =..~-t, gravel pity. Theae etxttoturos xu-c <br />intended to non-erosively pave over bank IIood flows Fivm the Yampa River, up m xkac 100-year flood <br />flows, through the pit. Tho inlet structure is to be installed into an eroded ttoteb in the eastern berm <br />whore flood Hows ovnrtopped the berm in the spritag of 2003; the Dulles stmctta'o will ba located <br />directly across the pit to the weal. <br />The DMG has no problems or issues with the design drawings submitted with the TR-001 applicarioa. <br />Flowerer, we are unable to review the adequacy of the attvctures to sa£ ly pass the design 100-year <br />flood Tlowa without the hydrology and hydraulic ia£otmatioa that Form the basis of the design. In <br />parpeu3ar, what era tba anticipated flow xaiea aced valocitio through the structures during a 100-year <br />flood, aced what ware the avaiyses coaductnd to determiaa tbeae design parasnetcrsT <br />The dacisioa date established by DMG For TR-001 is February 9, 2004. Ploaaa provide iha additional <br />ixtformation prior to that data or, alternatively, provide a letter octandixrg tho review period. IF you have <br />any questions, please contact ma at 303-866-4063. <br />Sincerely, <br />~~ @/~ <br />Alley C. Sorenson <br />Reclamation Specialist <br />ec: Carl Motmt, DMG (via email] <br />Steve Miller, Fohason, Ktuilcel. and Associates, Ise. (via j¢.y <br />PeaPIC FaX Nota 7671 ~~° /~ ~i0-O roe <br /> <br />OeIP.Ft K ~ Oc. <br />~- <br />97o- <br />"i zu-ra3 <br />e:~s\yONV1'R MwCia>NBWfY DxumenbtHwn EWeb of ~a,RU~nY.Cx <br />om~. ere eolo..an <br />Minb lima ibelam~elen AMw a d Ir1OCav! Mlnu G~oloaienl Survey <br />