Sprinkler deflector8/1/2023 ![]() ![]() ![]() The views, opinions, and information found on this site represent solely the author and do not represent the opinions of any other party, nor does the presented material assume responsibility for its use. See our Privacy Policy and Terms of Service. We respect your privacy and personal data. ![]() MeyerFire, LLC is a NICET Recognized Training Provider and International Code Council Preferred Education Provider.Īll text, images, and media Copyright © 2023 MeyerFire, LLC We promote the industry by creating helpful tools and resources, and by bringing together industry professionals to share their expertise. Our goal is to improve fire protection practices worldwide. is a startup community built to help fire protection professionals shine. Discuss This | Submit Your Question | Subscribe I have a question into NFPA 13, but would appreciate others’ opinions as well. If I’m understanding NFPA 13 correctly, these would both be considered obstructed. Also observed in the same room, was a 5” diameter pipe about 8” diagonally down from a deflector, measured at a 45-degree angle. The next sprinkler head is approximately 12 feet away. Most recently, I observed a 14” wide (horizontally) x 6” deep duct (vertically), with a sprinkler installed directly above with the deflector 5” above the top of the duct. I’ve seen these close configurations all over the place in many different peoples’ designs, so I’m wondering if I’m missing some allowance. I didn’t think to ask, but could I still apply the three times rule of 10.2.7.2.1.3, even though these aren’t structural members? As long as I was three times, or 24-inches away, it wouldn’t be an obstruction, right? This was per Section 10.2.7.2 in the 2019 edition. I called NFPA 13 and got an interpretation that these would be considered a sprinkler obstruction, and I would need sprinklers on either side, regardless of the size of the duct/pipe (no rule here about only being over 4’). Generally, I’m looking at piping and ductwork, that is installed within 18” below the plane of the standard upright sprinkler deflector. I could use some help with sprinkler obstructions. ![]()
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