CBC 2007 Type construction I-2.1 on 3rd floor

My partner is trying to put a I-2.1 on the 3rd floor of a building. As I see it, this can only happen in a Type IB structure. 504.2 does not allow any increase with I occupancies. Thanks for the help again.

Calif-Architect

Original Post
I would have to agree.

You may be able to do a II-A and use the sprinkler system (NFPA 13) for story increase.

BUT that will take away area increase (506.3) since you are using the sprinkler system for story increase and the "I-2.1" is an SFM-regulated occupancy. CBC 504.2 limits kick in.

Hello type I-B construction Cool
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