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3135 C�sc� c� 2.c.�z <br /> Mattson Macdonald Young ;�- <br /> structural engineers ;��%;" <br /> Basset Creek Business Center <br /> 901 North 3rd Street,Suite 100 <br /> Minneapolis, MN 55401 <br /> 612-827-7825 voice <br /> 612-827-0805 fax <br /> memorandum <br /> Date: July 25,2007 <br /> To: Doug Dzurik <br /> Attn: Doug Dzurik Construction, Inc. <br /> From: David Macdonald <br /> Project: Thompson Residence <br /> Proj No: 07299 <br /> Subject: Existing Foundations <br /> Doug: <br /> I understand from our conversation that the building inspector would like assurance that the existing footings <br /> will be capable of supporting the new loads resulting from the addition of trusses over the existing house. I <br /> have performed calculations as a part of my original design and determined the loads on the existing walls <br /> and foundations resulting from the addition and modification of the existing structure. I have found that if the <br /> existing footings are at least 12"wide they will be capable of supporting all of the anticipated live and dead <br /> loads in accordance with the Minnesota State Building Code. Since the foundation walls are 12"wide, I am <br /> certain that the existing footings will exceed this minimum size. <br /> If you have any questions concerning the above, please do not hesitate to contact me. <br /> Sincerely, <br /> Mattson Macdonald Young, Inc. <br /> � � � I hereby certiPy that this plan,specification or report was <br /> prepared by me or under my direct supervision and[ha[[am a <br /> daly licensed Professional E�gineer under the laws of the State <br /> David H. Macdonald of Minnesota. <br /> �-..•r�//ll,..,..,."r,, <br /> David H.Macdonald P.E. <br /> 7/25/2007 MN Reg.No. 14751 <br /> ,,,�10;-c;I:^Ci; P%:'�; 1 0? . <br />