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. . �� �s1G(�. Ti�a � 1 <br /> � <br /> 2.� (3 - 0104I <br /> I hereb certify that this plan, specification or report <br /> was pre ared by me or under my direct supervision <br /> September 23, 2014 and tha I am a duly licensed professional engineer <br /> under t e laws of the Sta of�jl'yhnesota. <br /> �/ <br /> I <br /> Gonyea Homes <br /> 10850 Old County Rd 15, Suite 200 Nick anson <br /> Date: 9-23-14 <br /> Plyl'1'lOUtfl, MN 55441 Minnes ta Registration No.46665 <br /> Attn: Ethan Kindseth <br /> Subject: Boulder Retaining Wall Assessment <br /> 75 Bayside Trail, Orono, MN <br /> Hanson Group Project: 4.292 <br /> To Whom It May Concern: <br /> The purpose of this letter is to report the findings of a tructural engineering review of an <br /> existing boulder retaining wall at the above address. <br /> ASSIGNMENT <br /> The Hanson Group has been retained to provide a stru tural engineering assessment of the <br /> existing tiered boulder retaining wall constructed at 7 Bayside Trail in Orono, MN, as directed <br /> by Ethan Kindseth of Gonyea Homes. <br /> BACKGROUND <br /> The above referenced boulder retaining wall at a singl family residence was recently <br /> constructed without prior engineering design docume ts. The City is requesting an engineering <br /> review of the boulder retaining walls be conducted. <br /> DESCRIPTION <br /> Two different walls were constructed at the address n ted. A tiered boulder wall was <br /> approximately 135 feet long that is 4 feet tall, steps b ck 3.5 feet, and extends upward another <br /> 4 feet. The second wall in question is approximately 5 5 feet tall. It is reported that the second <br /> wall will be re-graded to a height below 4 feet and thu will not require engineering and <br /> excluded from the scope of this report. <br />