Smoke Barrier and Smoke Partition Requirements（烟屏障和烟分区需求）.pdfVIP

“A ROAD MAP FOR YOUR CODE, SMOKE BARRIER SMOKE PARTITION REQUIREMENTS” International Code Council National Fire Protection Association Underwriters Laboratories Inc. 5203 Leesburg Pike, Suite 600 1 Batterymarch Park 333 Pfingsten Road Falls Church, VA 22041 Quincy, MA 02169-7471 Northbrook, IL 60062 Smoke Barrier and Smoke Partition Requirements IBC 2003 Smoke Barrier – Smoke barriers shall form an effective membrane continuous from outside wall to outside wall and from floor slab to floor or roof deck above, including continuity through concealed spaces, such as those found above suspended ceilings, and interstitial structural and mechanical spaces. The supporting construction shall be protected to afford the required fire-resistance rating of the wall or floor supported in buildings of other than Type IIB, IIIB or VB construction. Smoke Partition – Smoke partitions shall extend from the floor to the underside of the floor or roof deck above or to the underside of the ceiling above where the ceiling membrane is constructed to limit the transfer of smoke. 709 SMOKE BARRIERS 709.5 Openings. Openings in a smoke barrier shall be protected in accordance with Section 715. Exception: In Group I-2 (generally Healthcare etc.), where such doors are installed across corridors, a pair of opposite-swinging doors without a center mullion shall be installed having vision panels with approved fire-resistance-rated glazing materials in approved fire-resistance-rated frames, the area of which shall not exceed that tested. The doors shall be close fitting within operational tolerances, and shall not have undercuts, louvers or grilles. The doors shall have head and jamb stops, astragals or rabbets at meeting edges and automatic-closing devices. Positive-latc