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Rug 19 05 08: O1a p. 2 <br /> N _`�-// ' . <br /> � �� � �� <br /> I t_�+(' �(iL�� <br /> � <br /> i <br /> 360 Hwy. 10 8outh, Suite 101, St. Cloud, MN 56304 <br /> (320) 259-6575 � Fax: (320) 269-6991 • www,duffyeng.com <br /> August 19, 2005 <br /> Concrete Structure inc. - . ' <br /> Attn:Jerry Fitzlaff <br /> 2600 Fernbrook Lane <br /> Plymouth, MN 55447 <br /> Project: Homes by Joe� 1925 Lakeview 7errace, Orono,MN <br /> Rg: Grade Beam Review <br /> DearJerry: <br /> We have reviewed all the information that was provided to us from you, Bruce with the City of Orono, Atlas <br /> �oundation, and John Thiesse of BKBM. i'he interior grade beam that has been questioned by Bruce is a 32" <br /> wide by 36"deep grade beam with (6) #7 bars top and hottom with no shear steel. This beam was placed in <br /> two pou�s with a cold joirrt located somewhere between 6 and 12 inches from the top of the beam. These <br /> beams span 15 feet between helical anchors. In our opinion this grade beam is adequate to support the loads <br /> indicated by All American Homes that range from 15,000 pounds to 21,300 pounds placed 7 feet on center. In <br /> our opinion, the top steel is not required to support the indicated loads and a beam depth of 18 inches is <br /> sufficient to support the building. According to conversations with all parties, there was somewhere between <br /> 24 and 30 inches of concrete provided in the first Ilft of concrete. <br /> Please feef free to share this letter with the local buifding official and others as required. You may contact me <br /> at(320)259-6575 if you have any furt#�er questions ar comments regarding this matter. <br /> Sincerely, <br /> R Seavert, P.E. <br /> oject Engineer, Duffy Engineering&Associates, Inc. <br /> Minnesota Regisiration#41971 <br />