I can’t find any lol
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Large arena occupancies like this generally will route their FA audio (voice evac) through the main space PA speakers for audible notification and have an intertie to permit a “Please evacuate the building” message to show up on the Jumbotron when the FA goes off as well, instead of having strobes in the main space. This “hiding in plain sight" approach to notification is permitted by NFPA 101 12.3.4.3.5 and 12.3.4.3.6.
This is because normal FA speakers aren’t capable of covering arena-sized spaces, and strobes would be useless in such an open space – as a result, the Codes contain provisions that permit existing equipment to be used to provide effective notification. You will find more normal FA devices in spaces like press boxes, concourses, and backrooms though.
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*12.3.4.3.5 and 12.3.4.3.6. The corresponding section for existing buildings is 13.3.4.3.6.
Thanks I was really confused and didn’t know that
I didn’t know that the strobes weren’t required in spaces like that but it makes a lot of sense
That makes sense, but videos like this one show that arenas still often (& are likely still required to) have strobes in the main arena part itself.
I don’t think the I-Codes allow strobes to be omitted. IBC/IFC 907.5.2.3 has a list of exceptions, but they do not include assembly occupancies over 1000.
Well then how do you explain the clear presence of strobes in the video I linked? (you can’t really see them at first owing to the large amount of other lights, but watch for long enough & you’ll see them flashing away on the walls of the arena once said other lights are shut off)
I phrased the first half of my message poorly. Strobes are required by the I-Codes. According to Wikipedia, the above stadium was built in 1995, which was in the BOCA era, before the I-Codes were published. I’m not sure what the BOCA requirements were.
If this helps the building was built sometime around 1990
Yeah, the I-Codes are a bit less permissive than NFPA 101 is in this regard. That said, one would have the resources to apply performance-based visual notification design to the arena space, so it’s not quite as useless as it sounds.
Probably on the walls of the seating areas, maybe some up in the ceiling
Nothing on the walls
Ceiling is a possibility but I need glasses lol
i dont know either
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There are lots of large black speakers on the ceiling, which probably deliver the audible signal. It looks like some of them are pointed directly at the people on the field, which doesn’t seem like it would be necessary unless the speaker was for emergency communication. There are also several screens throughout the space that will probably display a message upon fire alarm activation.
Did some more looking around and found a ton of system sensor ceiling mount speaker strobes in the lobby area
Were they V400/SP100 speakers or something newer? That would give some information on how old the system is.
idk whatever has the happy face looking speaker
This? Perhaps that’s a name that belongs in this thread…
thats it
pointless text to meet 20 character thing