November 2009
by Glenn Mathewson
New code for resisting lateral loads
First 100 Words:
STRUCTURE: New Code for Resisting Lateral Loads by Glenn Mathewson Insight on engineering and codes A new section in the 2009 International Residential Code (IRC) has stirred up a hornet's nest of questions about attaching deck ledgers. Section R502.2.2.3 and the accompanying figure (see illustration, below) suggest that all decks will now need to be connected to the floor joists of the house by horizontally oriented hold-down devices and long bolts. This new code section states: The lateral load connection required by Section R502.2.2 shall be permitted to be in accordance with Figure R502.2.2.3. Hold-down tension devices shall be provided
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