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I Boncstroo <br />Rosene <br />Andcriik & <br />^ \ Associates <br />f nfjlnrpfi fm Arthllrrtt <br />y « V, WrM I lifjhw.ty U> • *.t. P.iiil. MN 5SII1 <br />Office; 6!>l 6 )6 4600 • r.ix 6'.l 6 16 Mil <br />wwwhonrUicio mill <br />exHinT i> <br />Morcli 0.2005 '' m <br />Ms. Melanie (Curtis <br />I’Innncr <br />City ofOrono <br />I’osI Odicc Uox 66 <br />Crysinl Uay, MN 55325 <br />CITY or-or<ONo <br />Kc;nv«) Park Drive <br />rile No. n9 ()5-(K)0 <br />rial No. 05 3074 <br />Dear Melanie: <br />We have reviewed Ihe revised plans dated V K (ts for the proposed improvements to the properly at 1379 I*ar k I )rive. The <br />improvements include the removal of most (d the boulder retniniuR walls within to 7.5 (dot setback from the lake, <br />‘file revised plans show the cxistin>> (ire pit being removed and the removal of upj miatcly to feet td the existing wall <br />ncorcst the lakcshorc. 3 he previous plan proposed to leave the entire 90 feet of w? nearest the lakeshorc as is. We have <br />the following comments with regards to engineering matters; <br />The revised plans indicutc that the proposed reduced length of the existing wull nearest the lakcshorc results in <br />166 square feet of hard cover. The reduction in (ho length of (he wall wilt require some grading along the <br />existing path to (lie lake. I he plun.H also identify (hat approximately I6K S()uare feet of luird cover would be <br />required to install steps in the 0 to 75 (dot setback. We have checked the haid cover calculations and concur <br />with the analysis for both (he wall and the steps. <br />IToin an engineering |Kispcctivc it appeals (hut removing Ihe entire wall along the lakc.shoie, regrading (he .site <br />and inslulliiig steps or reducing (he length of (he wall us propo.scd and not installing (lie steps arc viable <br />Mdutions. Access to (he lake using (he second option would be by a vegetated path with a slo|>c of <br />approximately .3.2:1. It is generally accepted that slopes of .3:1 or flatter (as (his one is propo.scd) ate <br />maintainable with a lawn mower and walkable under most condition.s. <br />If the no step option is approved we recommend that more detail l>c provided regarding the proposed vegetative <br />screening shown lakeside from the wall It should be stated as a condition of (his option (hat steps woulii not be <br />r>cimit(rd III (he fuliiic without (he removal of (he wall rieaics( (he lakcshorc. <br />Iddier ofitioii will require (he submittal of a detailed erosion and sediment control plan for review and appioval. <br />If you have any questions please call me at (6.51) 604-4863, <br />Yours very (iiily. <br />nONbSTROO. ROSI-Ni:. ANDI:RUK & ASSCX1A I b:S. INC. <br />CV. (iirg (iappa, (*ity of Oiono <br />Itiui r Vang, ('ity of ( hoiio <br />• St PilUt. St (fOiiil. (^uhrs(f»r, WiHinar, MN • Milw.wifcfr, Wl • Crmoc|o. IL <br />A.miMMliviP A«M«M/riHi4l rmfaoyrt I'mptotfV*