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�. --- ^ITY OOF <br /> J.H. Dahlmeier Engineering Inc. ''' __. <br /> ' ' ,-�,�� <br /> August 7, 1997 N�� 1 1 1��� <br /> Mr. & Mrs. David Rahn <br /> 1385 Rest Point Road <br /> Orono, MN 55364 <br /> Re: Addition/Remodeling <br /> - �T 1385 Rest Point Road <br /> Orono, MN <br /> Commission No. 97136 <br /> Dear Mr. & Mrs. Rahn: <br /> The purpose of this letter is to provide additional design requirements for construction of <br /> the existing concrete masonry foundation. <br /> BACKGROUND <br /> A letter report was prepared by John H. Dahlmeier of J. H. Dahlmeier Engineering Inc. on <br /> July 24, 1997 addressing the structural adequacy of the existing concrete masonry <br /> foundation. <br /> OBSERVATIONS AND COMMENTS <br /> 1. This letter supplements corrective measures listed in paragraph 11 letter report <br /> dated Julv 24. 1997. <br /> 2. This letter provides specific corrective measures for the foundation footing <br /> system. <br /> 3. A modified wall section is provided on J. H. Dahlmeier Engineering Inc. drawing <br /> Sheet S-1 dated 8/7/97. <br /> 4. Additional underpinning of the existing footings will be required to provide <br /> support for the system 42" below grade. Underpinning to be as follows: <br /> 2434 Commerce Boulevard • Mound, MN 55364 • (612) 472-4746 • FAX (612) 472-4761 <br />