Fire sprinkler system design terminology
While most of us think of bathrooms having the two or three items discussed above, NFPA 13 clarifies that a bathroom, within a dwelling unit, must contain only one of these items or another fixture with "bathing capability." This is a key designation, especially when laying out sprinkler systems for hotels, motels and other residential structures. Within a dwelling unit, any room or compartment dedicated to personal hygiene containing a toilet, sink, or bathing capability such as a shower or tub. NFPA 13-2019 defines a bathroom below:ģ.3.16* Bathroom. It's the one with a toilet and sink for a half-bathroom, or a toilet, sink, and shower/bathtub for a full-bathroom. Here’s a portion of an article from a recent issue of a NFSA TechNotes newsletter.ġ“If someone was walking through your house, there would be no doubt which room is the bathroom. Let’s take a look at the definition of “bathrooms”. However, with so many stakeholders involved in the process of designing, approving and installing sprinkler fire protection systems, you may not be surprised the most simple definition can at times find multiple definitions. Chapter 3, in its entirety, is dedicated to the definitions as it relates to sprinkler fire protection and is often very helpful when defining specific terms. Inherently, this document can often be interpreted in many differing opinions and create unintentional complexity to what would appear to be simple, clear intent. Each new edition is intended to create a document that is easier to use than the previous.
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The 2019 edition of NFPA 13 “Standard for the Installation of Sprinkler Systems” was recently revised.