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NFPA CWBSP Exam - Topic 3 Question 16 Discussion

Actual exam question for NFPA's CWBSP exam
Question #: 16
Topic #: 3
[All CWBSP Questions]

For a hydraulically calculated light hazard area under a mezzanine constructed of 2 in. (50 mm) x 14 in. (350 mm)

combustible solid wood members spaced 4 ft (1.2 m) on center, what is the maximum protection area for standard

upright spray sprinklers?

Show Suggested Answer Hide Answer
Suggested Answer: A

For a hydraulically calculated light hazard area under a mezzanine with the given construction and spacing, the maximum protection area per standard upright spray sprinkler is typically around 130 ft (12.1 m), considering the obstructions and distribution challenges posed by the mezzanine structure.


by Piraisudan P at May 26, 2025, 09:54 AM

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Delsie
5 months ago
Nope, it's definitely 130 ft², trust the calculations!
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Geoffrey
5 months ago
Definitely agree with that, 130 ft² sounds right!
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Beata
6 months ago
I thought it was higher, like 168 ft².
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Catarina
6 months ago
Wait, are we sure about that? Seems low for a mezzanine.
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Rasheeda
6 months ago
I think it's 130 ft² for light hazard areas.
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Delisa
6 months ago
I’m leaning towards 168 ft² based on the spacing of the wood members, but I’m not completely confident in that answer.
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Rosio
7 months ago
I feel like I read that the standard protection area for upright sprinklers is often around 225 ft², but I can't recall the specifics for this setup.
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Ulysses
7 months ago
I think we practiced a similar question in class, and I want to say the maximum area is 200 ft², but I could be mixing it up with another scenario.
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Dick
7 months ago
I remember something about the spacing of sprinklers and how it affects the coverage area, but I'm not sure if it's 130 or 168 ft².
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Doug
7 months ago
This is a straightforward hydraulic calculation question. I just need to apply the relevant code requirements for light hazard occupancies with mezzanines. I'm confident I can work through this systematically and arrive at the correct maximum protection area.
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Rebecka
7 months ago
Okay, I think I've got this. The key is determining the appropriate sprinkler type and spacing based on the light hazard classification and mezzanine details. I'll work through the calculations step-by-step to arrive at the right answer.
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Zack
8 months ago
Hmm, I'm a bit unsure about this one. The details on the mezzanine construction seem important, but I'm not sure how that factors into the maximum protection area. I'll have to think through the logic carefully.
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Maryann
8 months ago
This looks like a standard hydraulic calculation question for a light hazard area under a mezzanine. I'll need to review the code requirements for sprinkler spacing and protection area for this type of occupancy.
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Refugia
11 months ago
Wait, did they say the members were made of 'combustible solid wood'? In that case, I'm going with B) 168 ft2 (15.6 m2) to be on the safe side. No need to burn down the whole mezzanine!
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Jacki
11 months ago
Ah, the age-old question of mezzanine protection areas. I'll just close my eyes and point - D) 225 ft2 (20.9 m2) it is!
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Verdell
11 months ago
Hmm, this is a tricky one. I'm going to go with my gut and say C) 200 ft2 (18.6 m2). Anything less just doesn't seem right for that setup.
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Howard
10 months ago
I see where you're coming from, but I still think A) 130 ft2 (12.1 m2) could be a possibility too.
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Kenda
10 months ago
I'm not so sure about that. I'm leaning towards D) 225 ft2 (20.9 m2) for better coverage.
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Elliott
10 months ago
I think you might be onto something with C) 200 ft2 (18.6 m2). It seems like a reasonable choice.
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Kimberlie
10 months ago
I agree, C) 200 ft2 (18.6 m2) does seem like the best option for that specific scenario.
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Cammy
11 months ago
I think you might be onto something with C) 200 ft2 (18.6 m2). It seems like a reasonable choice.
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Noemi
11 months ago
Definitely not B) 168 ft2 (15.6 m2), that's way too specific. I'm leaning towards D) 225 ft2 (20.9 m2).
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Olene
11 months ago
A) 130 ft2 (12.1 m2) seems a bit too small for a mezzanine with those dimensions. I'd go with C) 200 ft2 (18.6 m2).
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Barney
10 months ago
Yeah, C) 200 ft2 (18.6 m2) is the safer choice for that setup.
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Loreta
10 months ago
I would go with C) 200 ft2 (18.6 m2) as well, it provides better coverage.
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Tashia
10 months ago
I agree, C) 200 ft2 (18.6 m2) seems more appropriate for the area.
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Sage
11 months ago
I think A) 130 ft2 (12.1 m2) is too small for that space.
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Vivan
12 months ago
I remember reading about this in the textbook, and it does seem like A) 130 ft2 (12.1 m2) is the correct answer
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Jimmie
12 months ago
I'm not sure, but I think it might be D) 225 ft2 (20.9 m2)
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Silvana
1 year ago
I disagree, I believe it's C) 200 ft2 (18.6 m2)
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Vivan
1 year ago
I think the answer is A) 130 ft2 (12.1 m2)
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