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April 2020 By using this website, you agree to our use of cookies. June 2016. Sprinkler Head Obstruction Distance Rules: Standard Spray Fire - QRFS April 2022 NFPA13 D Section 8.2.5.1.1 Pendent sprinklers shall be located at least 3 ft away from obstructions such as ceiling fans and light fixtures. That last broadly referenced statement is found in both the NFPA standard and in the IFC. Water Based Fire Suppression Distance of heads from continuous obstructions shall not exceed limits of . UFC 3-600-01 Obstructions and ESFR Sprinklers - Phase 1 - NFPA NFPA 13R May 2020 Our pros include AHJs, contractors, engineers, and code experts with 150+ years of combined experience! Sprinklers are required below unless the obstruction is 2' or less in width and a minimum of 1' horizontally or greater from the nearest edge of the obstruction. Due to the nature of the project site conditions, It is important to ensure that horizontal sidewall sprinkler deflectors shall be located 6, below noncombustible and limited-combustible ceilings. I'm glad you found the code. be installed in accordance with its listing or published manufacturer instructions. Connect and share knowledge within a single location that is structured and easy to search. I was able to track down the relevant code document for residential sprinker installations - it's 2010 NFPA 13D, section 8.2.5.2, and it's actually viewable online for free if you register your email address. Concealed sprinklers are notlisted to be installedin openceilingareas. September 2017 Such rooms are found with, , with no sprinkler coverage below the ducts, : Standard for the Installation of Sprinkler Systems, rinklers shall be located below the obstruction, where sprinkler protection would not be required below obstructions exceeding 4, obstructions where the bottom of the obstruction is, are not fixed in place, such as conference tables, Section 8.5.5.4, for sprinkler protection below such. Once again, NFPA 13provides exemptionsto obstructionscausedbyceiling constructiontypes, most notablythosewithceiling pockets. Marlo For code and standards interpretation questions like this, you can try our Ask a Fire Pro service. Concealed sprinklers can be mounted less than one inch from the ceiling and will be installed based on the listing. These requirements shouldn't be applied for anything except light hazard occupancies because the testing that was done to justify the addition of this code section only evaluated sprinkler performance in a light hazard environment. Click the link to submit your question with some information about your building, and a fire protection professional will provide an answer based on standards and codes. Members can also build their skills and work towards certifications with their access to NFSA training and seminars offered online, in-person, and in blended settings. Sidewall, extended coverage, and residential sprinklers do not apply. January 2019 UFC 4-021-01 There are others, clean up to 500F, but these two are the workhorses. NFPA 497 Just to expand on the cold soldering statement, if its treated as an obstruction or there is not the possibility of water from 1 head reaching the deflector of the other, it would not cold solder regardless of distance. Lighting Fixture distance to Fire Sprinkler | ControlBooth