Tip #21 - 25 to 6 or 4?

By Jonathan Flannery posted 12-05-2019 12:02

  
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NFPA 80-2010: 19.3.1, 19.4.1, 19.4.1.1, NFPA 105-2010: 6.4.1, 6.5.2

Fire and smoke dampers, or combination fire/smoke dampers are tested when they are installed, and again 1 year after installation. The test and inspection frequency shall then be every 4 years, with the exception of hospitals, which shall be every 6 years.

 

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