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r <br />Bonestroo. Rosene. Anderlik ^nd Associates, tnc. is Affirmative Action, '£qu<^i Opportunity Employer <br />Principals: Otto G. Bonestroo. PE. • Joseph C. Anderlik. RE • Marvin L. SorvdM, PE • <br />Richard E Turner. RE. • Glenn R Cook. PE. • Thomas E. Noyes. PE • Robert G. Schunicht. PE • <br />Jerry A Bourdon. PE • Robert W Rosene, PE and Susan M Eberlin. C PA . Senior Consultants <br />Assocuite Principalis Howard A Sanford. PE • Keith A Gordon. RE. • Robert R. Pfefferle. PE • <br />Richard W. foster. PE. • David O Loskota. PE. • Robert C. Russek. A.I.A. • Mark A Hanson. PE • <br />Michael T. Rautmann. PE. • Ted K Field. RE. • Kenneth P. Anderson. PE. • Mark R. Rolfs. PE. • <br />Sidney P. Williamson, RE. L S. • Robert F Kotsmith <br />Offices: St. Paul. Rochester. Willmar and St Cloud. MN • Mequon. Wl <br />1/ J Bonestroo <br />Rosene <br />^5 Anderlik& <br />|\ I Associates <br />Engineers & Architects <br />October 16,1996 <br />Ms. Jeanne A. Mabusth <br />Building and Zoning Administrator <br />City of Orono <br />Post Office Box 66 <br />Crystal Bay, Minnesota 55323 <br />Re: Herbert Olson Residence <br />File No. 139-2182 <br />Dear Jeanne, <br />We have reviewed the proposal to replace the existing gaiage and driveway at 3640 Bayside <br />Road. The plan requires a two-tiered rock retaining wall. The topography provided with the <br />application is missing a significant amount of detail at the location of the proposed work. In <br />addition, no indication of the propo.sed elevation.s, contours or wall location has been provided. <br />The plan . hows the location of the existing sanitary sewer service pipe. The pipe may need to be <br />relocated if the retaining walls are proposed along the north side of the garage. <br />More information must be provided to identify the specific wall cross section and location. The <br />two walls must be placed at least as far apart as they are tall (1:1) or a surcharge loading must be <br />used. If a boulder wall is proposed, the size of the boulders, wall batter and embedment <br />dimensions should be specified. <br />Please contact me at this office if you have any questions regarding this matter. <br />Yours very truly, <br />BONESTROO, ROSENE, ANDERLIK & ASSOCIATES, INC. <br />Shawn D, Gustafson, P.E. <br />2335 West Highway 36 • St. Paul, MN 55113-3898 ■ 612-636-4600