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F <br />^ J Bonestroo <br />Rosene <br />Anderlik& <br />|\ \ Associates <br />Engineers & Architects <br />April 1,2002 <br />Bonettroo, ffoiene. AndFrilk «nd Aiioriatei, tnc. ti jn AffirmativF Aciioft/CquJt Oppcrlunity rmpfo/er <br />and CmployFF Owned <br />Prlncipeli Otto G Boneitfco Pf • M.«rvin L Sorvtili« Pt • Gienn ff Cook Pt • PoOrrt G Schiinicht PI • <br />Jerry A Bourdon. P£ <br />Senior Consultants: Robert Rosene PC • Joseph C Anderlis. PC • Richard C Turner PC • Susan vt Cberim CPA <br />Associate Principals: keirh A Gordon. PC • Robert R Pfefterfe PC • Richard W Coste» PC • David O lov«ota PC • <br />Mark A Hansori. PC • MiChael T Raufm.srn PC • Ted It Cieid PC • itenrrth P AncJr'ion PC • Varfc R Rolls PC • <br />David A Bonestroo MBA • Sidne/ P Wilfiamson PF . L S • Aqnes V Rmy VBA • Allan Rick Schcndt PC • <br />Thomas W Peterson PC • James R Maland PC • Miles B Jensen PC • L Ph-riip Gr.ivei III PC • D.*n»ei j Cd^erton PC • <br />Ismael M.vtme/. PC • Thomas A Syfko PE • Sheidon j Jnhmon • Dale A G'Ove PC • Thomas A Rousnar P£ • <br />Robert J De.e'y, PC <br />Offices: St Paul, St Cloud Rochester and 'JUillmar MN • Milwaukee, Wl • Chicago IL <br />VMtbSite' wv Awbonestroc com <br />Paul Weinberger <br />Zoning Adminisirator/Planner <br />City of Orono <br />Post Office Box 66 <br />Crystal Bay. MN 55323 <br />Re: Stonegate Farms Berm (CUP) <br />Fill; No. 139-02-000 <br />Pla! No. 02-2767 <br />Dear Paul: <br />• .. <br />r» i v ^ . <br />We have reviewed thj request from Stonegate Farms for the construction of a berm. The site is <br />located along the north side of C.R. 6 just west of Old Crystal Bay Road. We have the followirs. <br />comments with regards to engineering matters: <br />The propo.sed berm is located adjacent to the recently completed Hennepin Parks trail. The <br />plans should show the existing trail and the location of the berm relative to the trail. Plans <br />should be submitted to Hennepin Parks (Three Rivers Parks) for their review and comment. <br />Construction of the berm will create a swale between the trail and the bemi. The plans should <br />include a typical swale cross-section showing a minimum swale bottom width of 2-feet. <br />Swale grades should not be less than 1% nor greater than 37r. Some permanent erosion <br />control measures (riprap, etc.) may be neces.sary where the .swale discharges to the existing <br />ditch along the east lot line. The City should direct the applicant regarding additional erosion <br />control measures during construction. <br />Any damage to the trail shall be repaired at the applicant ’s expense. <br />.^11 silt fence shall be installed prior to any grading activity. <br />The site shall be covered with 4-inches of topsoil and seeded within one week of grading <br />completion. <br />If you have any questions pleu.se call me at (651) 604-4863. <br />Yours very truly, <br />BONESTROO,'ROSENE. ANDERLIK & ASSOCIATES. INC. <br />/cTM <br />Tom Kellogg <br />Cc: Greg Gappa, City of Orono <br />2335 West Highway 36 • St. Paul. MN 55113 • 65I-636-4600 ■ Fax; 651-636-1311