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if I Bonestroo <br />Rosene <br />Anderlik& <br />Associates <br />Engineers & Architects <br />October 16, 1996 <br />Bonestroo. Rosene. Amtertik and AssocMfes. Inc Is J*n Affirm^f^ ♦ Acnor £quM Opportunity Employer <br />Principals Otto G Bonestroo, Pf • Joseph C Anderliii PE • .n L Sorval^ PE • <br />Richard E Turner PE • Glenn P Cooh. PE • Thomai E Noyes P£ • Rot>c< < G Schunichi. P£ • <br />Jerry A Bourdon PE • PuOert W Rosene PE and Susan M EDerlin. CPA Senior Consultants <br />Associate Principals Howard A S.'nford PE • Keith A Gordon. PE • Robert R Pfefferle. PE • <br />Richard W Foster PE • David O Loskota. PE • Robert C Russek Al A • Mark A Hanson. PE • <br />Michael T Rautmann. PE • Ted K Field. PE • Kenneth P Anderson. PE • Mark R Rolfs, PE • « « <br />Sidney P WiMianson. PE . L S • Robert F Kotsmith <br />Offices St Paul. Rochester. Willmar and St Cloud MN • Mequon. Wl <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 exi.sling gai'age 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 elevations, contours or wall location has been provided. <br />The plan shows the location of the existing sanita»y sewer service pipe. ITie 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 baiter 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