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NFPA CWBSP Exam - Topic 2 Question 17 Discussion

A sprinkler system has been installed with 100 sprinklers. What is the minimum number of spare sprinklers to be provided?
B) 6
A) 3
C) 9
D) 12

NFPA CWBSP Exam - Topic 2 Question 17 Discussion

Actual exam question for NFPA's CWBSP exam
Question #: 17
Topic #: 2
[All CWBSP Questions]

A sprinkler system has been installed with 100 sprinklers. What is the minimum number of spare sprinklers to be provided?

Show Suggested Answer Hide Answer
Suggested Answer: B

According to NFPA 13, a supply of at least six spare sprinklers shall be maintained on the premises for facilities having under 300 sprinklers. Since the sprinkler system has been installed with 100 sprinklers, the minimum number of spare sprinklers to be provided is six.


1: https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=13 2: https://www.nfpa.org/product/nfpa-13-handbook/p0013hb

by Gertude at Jun 16, 2025, 08:05 AM

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Jesusa
7 months ago
12 seems excessive, don’t you think?
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Marta
7 months ago
Definitely need at least 6 spares!
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Pilar
7 months ago
Are we sure 9 is the right number? Sounds off to me.
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Diane
7 months ago
Wait, why do we need so many spares?
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Blondell
8 months ago
I heard the standard is usually around 5% spare.
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Terrilyn
8 months ago
I thought it was 10% for spares, which would be 10, but I guess we need to consider if there's a standard minimum too.
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Isabella
8 months ago
I feel like 3 might be too few, but I can't recall the exact percentage we should use for spare sprinklers.
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Janey
8 months ago
I remember practicing a similar question where we had to calculate spare parts for a system, and I think the answer was around 6.
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Desiree
8 months ago
I think we discussed that a common rule is to have about 5-10% of the total number of sprinklers as spares, but I'm not sure if that applies here.
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Carissa
9 months ago
I've got this! The minimum number of spare sprinklers is 6, so I'm going with option B.
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Lorita
9 months ago
Okay, let's see. If there are 100 sprinklers, I'll need to figure out how many spare sprinklers are required. I think I can solve this, but I'll double-check my work.
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Izetta
9 months ago
Hmm, I'm a bit unsure about this one. I'll need to think it through carefully to make sure I get the right answer.
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Gwen
9 months ago
This seems like a straightforward question. I'll just need to do some basic math to figure out the minimum number of spare sprinklers.
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Freeman
12 months ago
I bet the answer is D) 12. That way, you can use the extras to water your lawn on the weekends. Gotta stay green!
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Alfred
11 months ago
I agree with you, D) 12 seems like a good number to have just in case.
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Renea
11 months ago
I believe it's C) 9. Just enough to cover any unexpected issues.
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Katina
11 months ago
I think the answer is A) 3. You don't need that many spares.
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Rosenda
12 months ago
Hmm, I'm going with B) 6. It's a nice, even number. And who doesn't love a good sprinkler party with all those extra ones?
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Carlee
12 months ago
This is a no-brainer! A) 3 is the obvious answer. Who needs a bunch of extra sprinklers laying around?
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Toshia
10 months ago
B) 6
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Gwenn
10 months ago
I agree, having just 3 spare sprinklers should be enough.
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An
10 months ago
A) 3
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Dawne
12 months ago
D) 12 is probably overkill, but it's always good to have more than you need. Wouldn't want the system to be down for long if something breaks.
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Youlanda
11 months ago
B) 6
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Claudia
11 months ago
A) 3
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Buddy
1 year ago
I think the answer is B) 6. It's always better to have a few extra just in case.
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Pearly
1 year ago
C) 9 seems like the safest bet. Better to have a few more spares than not enough, right?
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Narcisa
1 year ago
I agree with Britt. It's important to have some spares in case any sprinklers break.
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Tijuana
1 year ago
I think the answer is B) 6. It makes sense to have a few extra sprinklers on hand in case any need to be replaced.
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Jordan
1 year ago
I think it's better to be safe than sorry, so having some extras is a smart choice.
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Alysa
1 year ago
I agree, having 6 spare sprinklers seems like a good idea.
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Britt
1 year ago
I think the answer is A) 3.
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