Residential sprinkler standards NFPA 13R apply to occupancies up to what height?

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Multiple Choice

Residential sprinkler standards NFPA 13R apply to occupancies up to what height?

Explanation:
NFPA 13R is the residential sprinkler standard written for low-rise buildings. It covers residential occupancies up to four stories in height, which is why four stories is the correct maximum. The design is tailored to typical multi-family or similar residential settings at that height, balancing safety with cost. If a building exceeds four stories, NFPA 13 would be the applicable standard (and for some one- and two-family dwellings there are other provisions under NFPA 13D). The other heights don’t reflect this upper-limit scope, so they aren’t the correct maximum for 13R.

NFPA 13R is the residential sprinkler standard written for low-rise buildings. It covers residential occupancies up to four stories in height, which is why four stories is the correct maximum. The design is tailored to typical multi-family or similar residential settings at that height, balancing safety with cost. If a building exceeds four stories, NFPA 13 would be the applicable standard (and for some one- and two-family dwellings there are other provisions under NFPA 13D). The other heights don’t reflect this upper-limit scope, so they aren’t the correct maximum for 13R.

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