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C�I <br />lang <br />structural <br />engir�eering <br />inc. <br />File No. 105-025 <br />December 1, 2006 <br />PROBUILT <br />9747 —199A SVeet <br />Langley, B.:,. <br />Canada V1M 2X7 <br />4ttention: Mr. Peter Siemens <br />RE: ALUMINUM GUARDG2AIL SYSTEMS <br />BUILDING CODE COMPLIANCE <br />�c,�-o55 <br />ProBuilt Design Manual — AMERICAN <br />.../18 <br />As requested, a series of 42" high allowable guardrail configurations infilled with Y." <br />tempered fllass or pidcets and accepUble fluardroil mountfng configurations have been <br />determined and are assembled on pages 19 to 27 inclusive and pa�qes 11 to 13 inclusive <br />respectively of the Probuilt Aluminum Railings Design Manual — 5 Edition — December <br />2006. These configurations ere in conformance with the structural load requirements for <br />balcony guardrails as specified in the following code: <br />• 2003 International Building Code section 1607.7.1 Handrails and guards <br />Since these configurations are designed to meet the most stringent applicable <br />requiraments of the above mantioned code, the 42" high allowable guardrail <br />configurations infilled with %" !ampered glass or pickets and acceptable guardrail <br />mounting confgurations referenced above also meet the criteria set out in the 1997 <br />Unifortn Building Code and The P�CA National Buildinp Cods. <br />Contact us with any further que�s:ions conceming lhis. <br />Yours truly, <br />LANG STRUCTURAL ENGINEERING INC. <br />�� �� � <br />r � <br />< \ ; <br />� <br />C:`' • ` _ , �:'. <br />Bill Louwerse, P.E. E� _� , : y <br />i, ( , �� <br />< ��:o <br />e�:�� �-� , ., <br />� ':,�: <br />1.1 .. ��. \ji <br />`V''� 3 JO> I <br />r�201 � 2313 WEST RAILWA'Y STREET. AGaOiSf-ORD. B.C. VZS 2E3 <br />,. <br />� .. <br />• '- r <br />i ; <br />r <br />� ' t <br />-L� `��b <br />:�:_::_::.•.•'' <br />i -� <br />r�/ ' <br />'� � .. J`/O� . <br />�_. � 'ci� ' : , :-` " :.' : . <br />r:— —sc3/�z 3 0 0 ' <br />I:=::--__ l_1� <br />(60d) Oa7�8522 (60a� 857�I757 FAX (60a� B53-0158 m�i:��ui, nge�i9 r.om <br />