Mezzanine enclosure requirements - IBC 2015 Question

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Somaya Etemadmoghadam

January 26, 2021 18:55

With reference to Hyperfine question #41 and IBC 2015, 505.2.3 I need help to understand this excerpt from the code: 

3. Mezzanine or portions thereof are not required to be open to the room in which the mezzanines are located, provided that the aggregate floor area of the enclosed space is not greater than 10 percent of the mezzanine area.

 

Does this mean if occupant load is 15 for a mezzanine, we cannot have it enclosed?

 

Thanks for your insights in advance 

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  David Kaplan January 26, 2021 20:53

  Somaya,

  You're missing several exceptions to the mezzanine enclosure requirement that are provided in the Code.  Check IBC 505.2.3, that will answer your question.  Not sure why you only copied the text of Exception #3 in your question.

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  Somaya Etemadmoghadam January 26, 2021 21:03 (Edited January 26, 2021 21:04)

  Thanks David for your response. 

  I realized instead of exception #1, I copied the wrong exception that didn't apply to my question. My apology!

  Considering all exceptions mentioned on 505.2.3., my question is specifically about relationship of occupant load and closing off the mezzanine. I need to make sure I read it right.

  Disregarding other requirements and exceptions, does the exception 1 on referenced code mean if occupant load is below 10, we can enclose the mezzanine?

   

  I hope I make better sense this time and thanks for your time

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