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Bonestroo <br />Rosene <br />Anderifk & <br />Associates <br />Ono G PE <br />Rcc«fi W Ifoic^ PE • <br />JOieph C Anccfiik. P£ <br />Mjrvm L Sorva»j. P0 <br />E TyfTff PE <br />G^rnn R Cook. PE <br />1Thomas E N»cyri. PE <br />Rocen G ScrHiOcht. PE <br />Susjn M EOe^t^n C PA <br />•Se^'Of Coosuit^nt <br />Engineers & Architects <br />Hcv^artl A S^rfcn: PE <br />^cth A Gcfdcrx PE <br />Roceri R P'frehc. PE <br />RicnarO W Fo«cr PE <br />D^vkJ O Loskota PE <br />Rotert C RuiS^k. A I A <br />Jr'ry A BCu'Oon PE <br />.Mark A Hanson. PE <br />M<ha<i T RautTiann. PE <br />Tm *c PE <br />Trxx*'as R Ano^r%on A IA <br />DonakJ C Bu^yaniL PE <br />Thomas E Angui PE <br />Gary P Rv'a-rr PE <br />ismae Klj-. -?/ P£ <br />M<^act P Pa- ®£ <br />Agnes M ? n,j A IC P <br />Thomas *y:e'son P£ <br />W<na«i C l>r^n. PE <br />James R Ma and p£ <br />Jrry D PrLSCh PE <br />kennefh P Arjerson. PE <br />Mark R Ro-*v PE <br />Mark A SeCL PE <br />Gary 'JL' ‘/c'en pe <br />Oan<e^ J Ec^eTcn P£ <br />Ph *c J Casvsert PE <br />Ma:« 0 %ka.s PE <br />V es 8 -er*;**r P£ <br />L Phnliy G'avtl lU. PE <br />Kartn L W^emen PE <br />F Toca Fdsxer PE <br />Ke<fh R Vaco PE <br />Shawvn D Gustafson. PE <br />Cec4« C:^v^. PE <br />Chafes A Er<kson <br />Leo M Pk'Ae sky <br />Martan M O’son <br />Jarres F Eng?:harO! <br />September 17, 1992 <br />Mr. Mike Gaffron <br />City of Orono <br />P.O. Box 66 <br />Crystal Bay, MN 55323 <br />Re: #1763 Woodhill Country Club <br />File No. 139-1763 <br />Pear Mike: <br />We have reviewed the topographic detail plan submitted with the conditional use permit <br />application for land alterations at the Woodhill Country Club. The two engineering issues <br />to be noted are the proposed steep slopes and erosion control to protect a DNR protected <br />water, identified as Basin No. 27-852P. The protected water is located at the downstream <br />end of an existing 36" CMPA culvert. <br />The side slopes of ib£ proposed safety berms are <:hown at 2.5 to 1 (horizontal to vertical). <br />These slopes will be difficult to maintain and will be prone to excessive erosion until the <br />proposed sodding has had an adequate time to establish a strong root base. This may not <br />be established until well into the spring season. The entire grading area covers <br />approximately 3 acres and an erosion control plan should be submitted for our review. <br />Specifically, silt fence should be installed along the southwestern perimeter of the grading <br />area that has direct runofi to the protected water. This perimeter is several hundred feet <br />in length. <br />Existing utility lines should be shown from the catch basin and manholes. <br />Please contact me at this office if you have any questions. <br />Yours very truly, <br />BONESTROO, ROSENE. ANDERLIK & ASSOCIATES. INC. <br />Shawn D Gustafson, P.E. <br />SDG:Ik <br />233S West Highway 36 • St. Paul, Minnesota SSI 13 • 612-636-4600 <br />I