Have you ran into issues where you get cited from the AHJ because movable X-Ray equipment can potentially end up right in the location below one of the sprinklers in the room (just 3 to 4 inches below)?
I have two rooms with a sprinkler at each end of the table, and the AHJ surveyor is citing it as a potential obstruction.
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8/18/2021 06:31:56 am
I'd say that you shouldn't have this issue because NFPA 13 (2016) 22.214.171.124.2 - Sprinklers shall not be required under obstructions that are not fixed in place, such as conference tables, and you identified the equipment as movable....
8/18/2021 07:15:18 am
8/18/2021 08:18:05 am
Yes this happens all the time at hospitals. We typically add extra sprinklers or space the sprinklers outside of the area where the equipment can be moved.
8/18/2021 08:39:41 am
I seem to remember that the purpose of fire sprinklers was to notify qualified personel to address and contain a fire incident.
8/18/2021 09:30:21 am
This is my personal opinion and I may be reading much more into this, however:
8/18/2021 11:55:21 am
AHJ have always been fun to deal with in certain areas. I have been in Fire Protection for 49 years (Local 669 fitter Owner/Designer) and worked for a local department for 31 years (F/F) so good luck with your issues I had mine over the years
8/18/2021 09:54:18 am
I spent almost 20 years in the fire service before getting into fire protection / HPR engineering. I used to say, what the AHJ doesn't know about automatic sprinkler systems can fill a book. And we call that book NFPA 13. The AHJ is expected to be a jack-of-all-trades and a master of none. I have never lost a fire code appeal 1) because I choose my battles wisely and 2) because I know my profession.
8/18/2021 10:50:46 am
8/19/2021 09:18:59 am
As an AHJ, we are not always right. We interpret the Codes as best we can but the engineers and installers often have more in-depth than us. AHJ’s do not have to take detailed sprinkler design/install tests, just tests on reading and applying the Codes. That said, most AHJ’s are open to professional discussions on Code interpretation. Don’t argue, just cite Code details and common sense approaches. That goes a long way. And yes, unfortunately there are bad AHJ’s just like in any profession, that feel it is their way or nothing. Sorry.
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