When must I use NFPA 13?
To date we have talked about different versions of NFPA 13 which are NFPA 13D and NFPA 13R.
Today we are talking about when do we apply NFPA 13.
First a fair-warning disclaimer, if you are in a country outside of the US, then other standards for sprinkler systems may apply.
If you're in the US, NFPA 13 and its 2 different other versions are the dominant standard for sprinkler systems.
If a sprinkler system is required in the US, then there is an extremely high likelihood that one of the versions of NFPA 13 will apply for your project.
NFPA 13 is the most robust version of the sprinkler standard that we have today.
Compared to 13R and 13D, it has the least amount of omissions and allowances for reducing sprinkler protection.
I sometimes hear that NFPA 13 is the commercial standard and 13R and 13D are residential standards, but that's not entirely accurate.
NFPA 13 does address residential occupancies, as well as, well, just about everything else.
When can I use NFPA 13? Well, always.
Since NFPA 13 provides a higher level of protection than the other two standards, it's allowed and really in some cases encouraged above the other two standards.
If we have a typical office building, or a warehouse, or a hospital, that it isn't even a question of which standard to use. The answer would be NFPA 13.
If we have a project that is outside the boundaries of what 13D or 13R can protect, then an NFPA 13 system applies.
If our building is too tall or has too many stories or has a building area that's too large for a 13D or 13R, then again, a 13 system applies.
It's only when we get into residential occupancies that the question becomes whether we can use 13R or 13D or 13, that it all comes into play with the residential occupancies. With any of those occupancies, however, NFPA 13 is always an option that is on the table.
If you're looking for a direct code path for your project, check out our video on what codes and standards apply to our project.
And in our next video, we’ll discuss and breakdown the major differences between the 3 standards, NFPA 13, 13R and 13D.
I'm Joe Meyer, this is MeyerFire University.
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