4-plex apartment fire barrier question

[arob16]

Hi folks - I had a 4-plex building in Fort Worth, TX inspected this past week with an interesting condition. A fire barrier panel was removed or not installed to accommodate a plumbing install in the attic. It is the fire barrier between apartments in the attic space. Does this appear to be a code violation?... or is there generally language that speaks to majority of the apartment separation having a fire barrier... Owner says the building has been inspected and is to-code, but cannot provide documentation. Any thoughts/opinions/facts are appreciated. I attached an image, hope it worked!Adam R.

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[cda]

Welcome

From a neighboring city

 

[cda]

Looks more like a draft stop and should be in place

Need to find out what year it was built and what code was adopted

Most city apt/ rental inspectors do not look in the attic and may not know draft stop rules

 

[Codegeek]

I'm with cda, sounds like a draft stop issue and not a fire barrier.