this issue was discussed in great detail within the last month although it was focused on I-1. Allow me to say just one thing. It's not what we want (unless it's our building), it's what the building code dictates THEN WHAT THE AHJ ALLOWS. The illogical part is that an I-1 (assisted living greater than 16 and up to 4 stories) can be a 13- D but the same function in a one story building with less than 16 does not have this explicit exception. It's an easy argument to apply it but is a call by the AHJ.

Roland

On Sep 23, 2010, at 9:07 AM, Art Tiroly wrote:

Architect calls with a small addition to an existing 3500 SF, R4 assisted living building. He says all we have to protect is the new addition and some connecting rooms by the fire official. R4 only requires a 13D systems
per IBC with only 8 patients.

I  want at least a 13R system and 100% coverage of the area below the
ceiling including existing areas for life safety.

What say the forum

Arthur Tiroly

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