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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?
Suggested Answer: A
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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.
31 comments · newest first
DE
Delsie
10 months ago
Nope, it's definitely 130 ft², trust the calculations!
GE
Geoffrey
10 months ago
Definitely agree with that, 130 ft² sounds right!
BE
Beata
10 months ago
I thought it was higher, like 168 ft².
CA
Catarina
10 months ago
Wait, are we sure about that? Seems low for a mezzanine.
RA
Rasheeda
11 months ago
I think it's 130 ft² for light hazard areas.
DE
Delisa
11 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.
RO
Rosio
11 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.
UL
Ulysses
11 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.
DI
Dick
12 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.
DO
Doug
12 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.
RE
Rebecka
12 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.
ZA
Zack
1 year 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.
MA
Maryann
1 year 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.
RE
Refugia
1 year 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!
JA
Jacki
1 year 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!
VE
Verdell
1 year 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.
HO
Howard
1 year ago
I see where you're coming from, but I still think A) 130 ft2 (12.1 m2) could be a possibility too.
KE
Kenda
1 year ago
I'm not so sure about that. I'm leaning towards D) 225 ft2 (20.9 m2) for better coverage.
EL
Elliott
1 year ago
I think you might be onto something with C) 200 ft2 (18.6 m2). It seems like a reasonable choice.
KI
Kimberlie
1 year ago
I agree, C) 200 ft2 (18.6 m2) does seem like the best option for that specific scenario.
CA
Cammy
1 year ago
I think you might be onto something with C) 200 ft2 (18.6 m2). It seems like a reasonable choice.
NO
Noemi
1 year ago
Definitely not B) 168 ft2 (15.6 m2), that's way too specific. I'm leaning towards D) 225 ft2 (20.9 m2).
OL
Olene
1 year 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).
BA
Barney
1 year ago
Yeah, C) 200 ft2 (18.6 m2) is the safer choice for that setup.
LO
Loreta
1 year ago
I would go with C) 200 ft2 (18.6 m2) as well, it provides better coverage.
TA
Tashia
1 year ago
I agree, C) 200 ft2 (18.6 m2) seems more appropriate for the area.
SA
Sage
1 year ago
I think A) 130 ft2 (12.1 m2) is too small for that space.
VI
Vivan
1 year ago
I remember reading about this in the textbook, and it does seem like A) 130 ft2 (12.1 m2) is the correct answer
JI
Jimmie
1 year ago
I'm not sure, but I think it might be D) 225 ft2 (20.9 m2)
SI
Silvana
1 year ago
I disagree, I believe it's C) 200 ft2 (18.6 m2)
VI
Vivan
1 year ago
I think the answer is A) 130 ft2 (12.1 m2)