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Use Group B above S1

Jeff W

Member
Joined
Nov 6, 2013
Messages
9
Location
Missouri
2009 -IBC Type IIB building -Non sprinkled. I am designing a new Single story Urgent Care with slab on grade construction. 7000 S.F. building with retail space. The site slopes toward the back so we will need to have stem wall foundations at the rear. The doctor wants to create a basement level below the Urgent Care for storage (400 S.F. ) that is accessible from the exterior only. I cannot find a requirement for the floor to be rated. This puts business over storage. I am assuming S1 requirements. There is a lot of info about parking garages below business but not much on this scenario. Table 601 says no floor rating. Table 508.4 says no rating. Is there something I am missing.
 
Mixed use nonseparated should work for IIB 7000ftB and S1...But depending on code you are on, S1 larger than 12,000ft fire area will need sprinklers....make the basement smaller.....
 
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