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9/28/2011 <br />WIND DESIGN <br />Residential Structures R -3, Occupancy Category II may have <br />unprotected openings (1609.1.2 Exception 4: <br />• "Glazing ... shall be assumed to be openings ") <br />Design Professional must determine if glazing (openings) <br />creates a "Partially Enclosed" structure per ASCE -7 (ASCE -7 <br />Chapter 6.2 Definitions) <br />• State law requires that a "Partially Enclosed Residence (R -3)" <br />must have a Safe Room (Bill 270, Sec.1 609.1.2.1) <br />• "Open" or "Enclosed" buildings (or in flood areas) are <br />exempt (Section 422.2) <br />WIND DESIGN <br />(CONTINUED) <br />TYPE <br />PROTECTION REQUIRED /TYPE <br />OPEN <br />NO <br />N/A <br />PARTIALLY <br />ENCLOSED <br />YES <br />High Impact Glazing <br />Protected openings <br />Safe Room <br />ENCLOSED <br />NO <br />N/A <br />