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*• <br />KRECH, CyBRlEN,(S- <br />I MUELLER C mss, inc <br />ARCHITECTS O^ENGINEERS <br />611S CAHU. AVE?«J€ MVER GPC7VE HeCHTS. MN SS37S 812 4514603 <br />Ccto*'^r 13, 1989 W . <br />Andrew McDeraott <br />2702 Walters Port <br />Orono, MN 55331 <br />RE: WALTERS POh .AGOON - REPAIR OF EXISTING WALL <br />Dear Mr. McDermott: <br />The attached retaining wall was reviewed for structural integritv <br />and found to be adequate based on the following assumptions: <br />diameter poles are performing adequate in their existing condition. <br />2. The 3 X 12 timbers shall have Fb * 1000 PSI or greater <br />3. Lateral soil pressure of 45 PSF. <br />Please call if you have any questions. <br />Sincerely, <br />James H. Krech, P.E. 12707 <br />KRECH, O'BRIEN, MUELLER & WASS, INC.