Draft Curtain Ibc 2015
Chapter 35 2015 ibc references the 2009 icc ansi a117 1 accessibility standard new chapter 11 within for recreation.
Draft curtain ibc 2015. Sg draft is a code compliant lightweight fixed fabric curtain semi permanent or temporary fire barrier system for large vertical openings. Ibc 2015 addresses this situation specifically in section 712 vertical openings and references the protection methods of nfpa 13. The sg draft curtain serves to limit the spread of smoke and can funnel smoke toward roof vents. The sg draft curtain material is a glass filament fabric with a glass fiber material on one side.
In trying to interpret ibc 708 2 2 1 draft curtain and closely spaced sprinklers required for non egress open stairways vs 708 2 11 no mention of draft curtain requirement i can t figure out if a draft curtain is required or not. It seems to be a contradiction in the requirement of draft curtains between ibc and codes. So a high piled group s 1 with type iii commodity area 30 000 ft2 and no esfr sprinklers only normal ones will require draft curtains either option 1 or 2 because the. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.
The new stair is therefore not part of the egress path. I am not able to locate any design requirements for draft curtains as it relates to ibc 2015 section 1019 3 exit access stairways and ramps as mentioned in exception 4. 5 17 3 draft curtain areas shall be around each roof ceiling fire suppression system and subdivided such that a single draft curtain area shall not exceed 697 m2 7500 ft2. 5 17 2 draft curtains shall be required in group ii hangars only where foam water deluge sprinkler systems are provided per the requirements of 6 1 1 1.
Where a building is equipped throughout with an automatic sprinkler system in accordance with section 903 3 1 1 vertical openings for escalators shall be permitted where protected in accordance with section 712 1 3 1 or 712 1 3 2. Draft curtains paragraph 3 3 8 draft curtain of nfpa 13 2016 standard for the installation of sprinkler systems defines draft curtains as a continuous material protruding downward from the ceiling to create a reservoir for collecting smoke and heat it references nfpa 204 2015 standard for smoke and heat venting for additional information. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. The draft curtain works very well in tandem with a sprinkler system and can also be installed in environments that do not require sprinklers.
The sg draft curtain is made of a glass filament fabric that is non combustible and smoke tight.
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