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�l-}�� Structural Design :�ssociates <br /> +� efl�177BC1711�.5�17'11CIGYt.$' l0�:G.SI <br /> c �.�.• <br /> November 21, 2008 <br /> � ����� - � � C� <br /> O'Neil Contracriag& Construcrion, Inc. <br /> Atm:Jo�n O'1�Teil <br /> Subject: Holc in I3eam at 1917 I�mbaxd, F.i-cre•;t, \�'_1 <br /> SD:1 ReE ,``i »04 <br /> DearJohn, <br /> At your request, this revie�ved the suUject project to detemiine the impact of drilline a 4-inch <br /> diameter hole in the top of a glu-lam � 1/S s 9 beazn. <br /> Calculations, (enclosed), sho�v that the elu-lam� 1/8 x 9 beam remains structurally adequate <br /> with the 4-inch diameter l�ole drilled in tl�e top, as sho��m on d�e enclosed sketch. <br /> Please contact this office if you have any questions concerning fhis IeHer. <br /> Sir�ce�ely; �� ! <br /> � `� � <br /> Chris Covington, P.E. <br /> S � Ct <br /> ���I iz�i�';. <br /> 4���G ti.IASHI.�'��,C��.'{. <br /> c n-` �°/ , P.. - <br /> � . h� r ^� <br /> _ LI�� �� ��.�i e l_ �� ' <br /> � � �J�.i�=� `'y�)lf " <br /> �� 3��`�y�`�/C`1 �N <br /> 5.�.•�hn r"Ci��" ./�/�� - <br /> ��V���Jl�i��e�:. . <br /> �:LY � <br /> � 'l +�h. <br /> 1 �. 1 `�Qi�t� <br /> I <br /> ='_l�! 11c;;;�; .Yrc. �:n:c -!�'i 1-:vrrc.,. A\.198°ill i'��: 4_'i_i3;'_u^�ii I=:iz: �1_i-^-;�-uy1G �I �� <br /> ���t��.strutdes cont ' <br />