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r 1 <br /> • New Sonotubes to be 16" minimum diameter and 48" deep. <br /> • Soil at base of excavation to be verified for appropriate bearing <br /> capacity. A 6" depth of compacted aggregate to be placed below <br /> Sonotube. <br /> 4.2.3 ColumNStone Base <br /> • A new 6x6 treated post should be installed and properly attached at <br /> the base footing connection and at the top at post/header connection <br /> per current IRC and Minnesota State Building Code requirements. <br /> • Construct new stone veneer base around post to match existing. <br /> 4.3 Other Units: Based upon cursory observation of the other decks, it is our <br /> opinion that similar unstable condition likely exist elsewhere. It is <br /> recommended that all other similar decks and support conditions be evaluated <br /> by a licensed Engineer. <br /> This report is prepared based on observations and review of the material available as of <br /> this date. Our opinions may be revised based on the availability of add�ional data. The <br /> conclusions contained herein represent our professional opinions. <br /> These opinions were arrived in accordance with accepted engineering practices at this <br /> time and location. No other warranty is implied or intended. <br /> Should you have any questions, please call. <br /> Sincerely, <br /> r--^-� <br /> .{ <br /> /° ` <br /> /j/f � r —_.-- <br /> ! r' <br /> ' � ' / � <br /> �"1 /' �-. <br /> � , <br /> a <br /> Jim Manfred Curt Isernhagen, P.E. <br /> Project Technician Principal <br /> CERTIFICATION <br /> 1 hereby certify that this plan, specification, or report was prepared by me or under my <br /> direct supervision and that 1 am a duly Licensed Professional Engineer under the laws <br /> of the state of Minnesota. <br /> , / <br /> i`` � <br /> Signature: �" --- -- <br /> ; <br /> Date: September 28� 2012/ � Registration Number: 40423 <br />