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i <br /> � �GS Consult�r�g S� ice Corp. <br /> & Machine Design / Sales / Forensic �n�ineering '�-� <br /> � oROHo copY <br /> � <br /> � <br /> �. � � � .� � � � <br /> �, —�,�-,---�, :��..; � ,, -� ,.:�'���a,..�'��t��,�._. �.,_ ,. � , <br /> Max Green <br /> MGS Consulting Service�'or�. <br /> 3356 Boone Cir Na <br /> New Hope, MN 55427 <br /> June 17, 2014 <br /> Burwell Project <br /> 110D Milreetone <br /> Orono, MN 55391 <br /> Regarding the Burwe!!resider�c�M3{i s�d�restaratian �r��:���, €rc:l�c;i:����:���st�k7.:��:rs�a4,��at��.�;��fs.�,����;,,:. <br /> To whom it may concern, <br /> I have reviewed the hill restoration methods proposed for the above r-esidence. To e�aivate th� <br /> timber structure used for the subterranean walls i have evaluated the forces acting on the timbers. <br /> Using the Free Bfldy Diagram shown on page two of my calculations, I have isolated the forces acting on <br /> that beam and the forces acting on to the tie backs. The wall can maintain its vertical position because <br /> of the use of the tie backs. <br /> Two additional design features incarporated into the subt�rranean walis are the foliowin�: <br /> �.� T�'12 C�8Sig11 1(1t�f�OC�CS c1�4�?'tlk' k3F,'e�il?5:C7 +`'.I'i:i,t2 u j�i'iffii:J�a�rii�/��.,i C7 �YI'la�:?iECL' �i'�,c`� {5 CG'i���iC�lt�'„�,. <br /> hidden from viev�. <br /> 2) Drainage along eac� of the w�lls r�ec+,!ce�tl�,e��rc�s�ha�con ac��r��1�e�,�aa!1 that::��ici ��r���e:i.�: <br /> wall due to frast forces. <br /> I have also evaluated subterranean walfs during construction at various locations on La(<� <br /> Minnetonka over the (ast few years to help support my opinions about this project and beiit;..._ it: is <br /> based on sound engineering�rinciples. <br /> Sincerely, <br /> �.�%�le'�jC����'( ��� � <br /> Max Green PE MBA I ;:�:e�_.� certify that t':is �._.:.-�., , _.��° . : - �;; � <br /> c�.tica, or report was prepc�E1 L;� me o: ° �" <br /> i�_�:�".�r r.:y direct supervision and that I ar:� r����, <br /> a c:•.�ly Registered P�['ofessiona,l Engineer ������a� :,' <br /> u::'�r the laws oY t�h9S�iSte of Minnesota. ` <br /> �-'��" <br /> ' r' � ��.� �� �� <br /> Max Grcen �•�`' G��� ..� _._ z. �. <br /> � '. <br /> 33�6 Booue Cir No � �� ���� �. � <br /> NewHope, IviIv 55427 i �a.Le �i� r' , ; Regia�ration No. ��.��__ ��g�`,��, ` <br /> � � �, ' <br /> � "�`,_ <br /> cn��;reen64�l�coincast.net .---._.___ _._._._..._. _. _._. . � a��;�� <br /> 612-708-5906 cell ��S '�`-° �`''F. �.� <br /> 7C3-546-Z561 office i� ��' <br /> "�`�'�_ <br />