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3 ��v S ��.�.. ,�:� r <br /> Otto G.Bonestroo.PE. Keich A.Gordon,P.E. Kenneth P.Anderson,P.E. Miles B.Jensen.P.E. <br /> Bones t roo Rober,W Rosene.PE RichaN W Fostec PE Mark R Rolfs PE L Philhp Gravel III,FE. <br /> Joseph C.AnOetlik.P.E. Donald C.BurgardL P.E. Robert C.Russek,A.I.A. Rene C.Plumart.A.I.A. <br /> Marvin L.Sorvala,P.E. Jerry A.Bourdon,FE. Thomas E.Angus,P.E. Agnes M.Ring,A.I.C.P. <br /> � Rosene RichaN E Tumer,PE Mark A Hanwn.PE Howard A.Sanford.PE Jerry D Per¢sch,PE. <br /> Anderlik & 7homasE NoyEs.EPE M¢haeF'LRaumann PE MankeAJSep PEn PE RobertRlDreblow,PE. <br /> Robert G.Schunichc P.E. Robert R.Pfefferie.P.E. Philip J.Caswell.P.E. Gary W.Morien,PE. <br /> Associ�tes Susan M Eberhn CPA David O Loskota.P.E Ismael Martinez.PE Charlez A Erickson <br /> Thomas W Peterson,P.E. Mark D.Wallis.P.E. Leo M.Pawelsky <br /> Michael G.Lynch.P.E. Thomaz R.Anderson,A.I.A. Harlan M.Olson <br /> Englneers & Archltects James R Maland.P.E. Gary F.Rylander,P.E. <br /> April 3, 1991 <br /> City of Orono <br /> P.O. Box 66 <br /> Crystal Bay, MN 55323 <br /> Attn: Ms. Jeanne Mabusth <br /> Re: Steven Martin Duplex <br /> General Land Use Application #1632 <br /> Our File No. 139-1632 <br /> Dear Jeanne: <br /> We have reviewed the plan for the proposed duplex on the Steven Martin property. The <br /> drainage and access to the site are the significant-eng�neering issues. � `�.,,� <br /> , � <br /> We recommend that t floor elevation of 934.0 shown on t�e plan be rais�d one foot to 935.0. <br /> This change is desira e so that a suitable driveway_��ce-�ss can be attained a�-additional flood <br /> protection can be provi ed; as there is no immediate overflow. The drainage on the site was <br /> provided for with Hennepin County's C.S.A.H. 15 improvement project, and is adequate for up <br /> to a 10 year storm. We recommend that a thorough soil boring exploration program be <br /> implemented prior to any construction to analyze the suitability of the soils for a building <br /> foundation. <br /> Easements should be granted to the City over all wetland areas. The plan should be submitted <br /> to the DNR for review and approval. The City of Spring Park should be contacted to review <br /> the application. <br /> If you have any questions, please contact this office. <br /> Yours very truly, <br /> BONESTROO, ROSENE, ANDERLIK & ASSOCIATES, INC. <br /> e�;��-, �� ��=� % <br /> � <br /> Shawn D. Gustafson <br /> SDG:Ii <br /> 139.cor <br /> 2335 West Highway 3G • St. Paul, Minnesota 55113 • G12-G3G-4G00 <br />