ARE handbook PPD Question - wall type

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    Dominic Filosa

    You can find the answer by considering fire protection and the use of the spaces.  Look for clues in the question.  The wall around a stair needs to be thoroughly protected from smoke and flame spread.  A receptionist needs to be able to see the reception area.  Adjacent conference rooms have acoustic requirements (you don't want the voices from meeting next door to prevent you from hearing the people in your own meeting).  What's the size of the storage area?  Is it small enough to qualify as an incidental use therefore not requiring a higher level of fire protection? 

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    Yi Li

    Thanks for the reply!  for the storage area wall type, why is type 2 not being used?

    under what circumstances do we pick 2 over 3. or 3 over 2?

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    Arthur Molinari

    Wall type 2 is just not a good detail. It’s actually easier and more effective to do detail 3. In ARE 4.0 on the CDS exam the building section vignette wanted you to draw non rated partition wall(s) 6” above the ceiling finish, but not touching the bottom of the deck/slab above.

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