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RULE 4 PERFORMANCE STANDARDS <br />Memorandum, <br />FOR: J A. Kt3er �i �'" :c95 <br />7tif.AT Oi <br />TLe pu:poSe of :h15 n circ and 1 's 'o add ess Cern^canon ci otcwya's Haul Road Serrrtent A and <br />it is ary understaadmg that CI MG rules hose changed to r"re, for all hard :Dads and access reads <br />constricted prior to August i, 1395 a ':elejart showtrg, .>a a case by :ase oasis, which :nay itie:ude mcc-dtonrig <br />data ar other evidaia' that roads are :n compliance wt'h applicable perforimace standards <br />As jou ace aware, Cclovwyo's haul load was =&aucted :n IS"? and taere is no coo at Coiowyo 'Aho <br />tact costly the construcucn of the'tanl road The revised CDMG tagulancn poses a problem became an <br />eng=ea caarot a.•* coasMJ=on of a road •Ailucb he did not wttnass or supervise To do so would risk <br />c cellacon of thea protissorai license r'ar his reason it's not possibie for the Colrnvyo h4cd roast <br />ecnuruenan to be caused `ay a P E <br />I can. boweve:, pros-Ide t`e .°eUou, g :,uaLtanve hail road pecrmanu xrn5cauen based in par <br />the reported 19 year perfotr,=,ca lusters of the xucrze and 2', based unor. my current observances of ice 1a.,ty <br />pervemarce of the haul road. <br />a Ua; rtiilLl <br />I am a mining erg==, registered in the State of Colorado, and expeneuced .n the mnstru Hca arc <br />utspecucn of haul roads. <br />To the best of my tmowicdge, based rpon the available i :for!i—m regrding the :r,iorted, longe <br />year per."ormamce of Colawyo's ii rt i Road and -ny onSixig observation of the performance of Cnlowpo'I u3L-' <br />Road. I believe there is sufficient quaLtative evidence avazlabie to suggest that the Haw Road :s in compliance <br />with the applicable pe wmance standar= ofthe CLMG ogulanons to accordance w1L Rttie 4 03 1 <br />�• en R Hli remeyer <br />25436 x5 s ado Rens e ed P E. <br />1,4►` <br />Date <br />IC 10- AJ=on <br />Rule 4 Performance Standards 4-4 Revision Date: 4/2/18 <br />Revision No.: RN -07 <br />