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BXUV.U419 - Fire Resistance Ratings - ANSI/UL 263 Page 1 of 9 <br /> u� ONLINE CERTIFICATIONS DIRECTORY <br /> BXUV.U419 <br /> Fire Resistance Ratings - ANSI/UL 263 <br /> Paae Bottom <br /> Design/System/Construction/Assembly Usage Disclaimer <br /> • Authorities Having ]urisdiction should be consulted in all cases as to the particular requirements covering the installation and use of UL <br /> Listed or Classified products, equipment, system, devices, and materials. <br /> • Authorities Having ]urisdiction should be consulted before construction. <br /> • Fire resistance assemblies and products are developed by the design submitter and have been investigated by UL for compliance with <br /> applicable requirements. The published information cannot always address every construction nuance encountered in the field. <br /> • When field issues arise, it is recommended the first contact for assistance be the technical service staff provided by the product <br /> manufacturer noted for the design. Users of fire resistance assemblies are advised to consult the general Guide Information for each <br /> product category and each group of assemblies. The Guide Information includes specifics concerning alternate materials and alternate <br /> methods of construction. <br /> • Only products which bear UL's Mark are considered as Classified, Listed, or Recognized. <br /> Fire Resistance Ratings - ANSI/UL 263 <br /> See General Information for Fire Resistance Ratinas - ANSI/UL 263 <br /> Design No. U419 <br /> April 04, 2011 <br /> Nonbearing Wall Ratings — i, 2, 3 or 4 Hr (See Items 4& 5) <br /> i; � <br /> � 4 �4A ? 2 � �; 5'� , <br /> — — -- -- — --- -- —; . <br /> � 1 k � ~ y� , <br /> � �, A 1( :i ' <br /> . � � r- • ... ..� � wA.r � . s-� .,� <br /> . g � ; 5 ;� <br /> �;5 <br /> 1 Floor and Ceiling Runners —(Not shown) — For use with Item 2- Channel shaped, fabricated from min 25 MSG <br /> corrosion-protected steel, min depth to accommodate stud size, with min 1-1/4 in. long legs, attached to floor and ceiling <br /> with fasteners 24 in OC max. <br /> lA. Framing Members* - Floor and Ceiling Runners — Not shown - In lieu of Item 1— For use with Item 2A, <br /> proprietary channel shaped, min. 3-5/8 in. deep, fabricated from min. 0.015 in (min bare metal thickness) galvanized <br /> steel, attached to floor and ceiling with fasteners 24 in. OC max. Effective thickness is 0.034 in. <br /> CLARKWESTERN BUILDING SYSTEMS INC — UltraSTEELp <br /> DIETRICH INDUSTRIES INC — UltraSTEEL�. <br /> 16. Framing Members* - Floor and Ceiling Runners —(Not shown - In lieu of Item 1) — For use with Item 2A, <br /> proprietary channel shaped, min. 2-1/2 in. deep, fabricated from min. 0.015 in. (min bare metal thickness) galvanized <br /> steel, attached to floor and ceiling fasteners 24 in. OC. max. Effective thickness is 0.034 in <br /> http://database.ul.com/cgi-bin/XYV/template/LISEXT/1 FRAME/showpage.html?name=BX... 4/6/2011 <br />