fire barrier and 2007 CA codes apply.
The patient treatment areas are in the I-2.1 occupancy and the rooftop HVAC
units have been specified with seismic vibration isolation curbs. In the type B occupancy, there are offices, storage and miscellaneous areas with separate HVAC rooftop AC units.
Question: Are the HVAC units serving the B occupancy areas required to have seismic vibration isolation curbs or can they use regular roof curbs?