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Exin CDCS Exam - Topic 2 Question 2 Discussion

When installing a raised floor, can we use a spirit level bar to level the floor?
B) No, because using a spirit level bar, a measurement error will be transferred from pedestal to pedestal.
A) Yes, spirit level bars can be used as long as their length is longer than 60 cm/2 ft (the size of a typical raised floor tile).
C) Yes, but spirit level bars can only be used in the vertical plane.
D) Yes, using a spirit level bar for raised floors higher than 40 cm is preferred.

Exin CDCS Exam - Topic 2 Question 2 Discussion

Actual exam question for Exin's CDCS exam
Question #: 2
Topic #: 2
[All CDCS Questions]

When installing a raised floor, can we use a spirit level bar to level the floor?

Show Suggested Answer Hide Answer
Suggested Answer: B

A spirit level bar should not be used for leveling a raised floor, as measurement errors are likely to propagate from one pedestal to the next. Spirit levels can introduce cumulative errors, leading to uneven floors, particularly in large installations where precise leveling is critical.

Detailed Explanation:

Using a laser level or a precision leveling device is recommended to ensure accuracy across all floor tiles. Spirit levels, while adequate for short spans, can transfer small inaccuracies from one pedestal to another, which can cause alignment issues and floor instability over time.

EPI Data Center Specialist References:

EPI data center guidelines discourage the use of spirit levels for raised floors. Instead, they advocate for precision tools like laser levels that ensure consistency and accuracy in large-scale installations, aligning with best practices for raised floor construction.


by Jerry at Oct 22, 2024, 07:06 AM

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Lindy
9 months ago
Really? I’m surprised it’s even allowed for raised floors!
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Dion
9 months ago
Actually, it's best for floors over 40 cm, I read that somewhere.
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Julieta
10 months ago
I thought you could only use it vertically, is that right?
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Becky
10 months ago
I disagree, using it might cause errors between pedestals.
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Goldie
10 months ago
Yes, a spirit level bar can definitely help!
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Wai
10 months ago
I vaguely remember something about the length of the spirit level bar being important, but I can't remember the exact details.
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Chantell
10 months ago
I feel like we talked about using spirit levels in different planes, but I can't recall if that applies to raised floors specifically.
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Lyndia
11 months ago
I think we practiced a question about measurement errors transferring between pedestals, which makes me lean towards option B.
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Daisy
11 months ago
I remember discussing the importance of accuracy in leveling, but I'm not sure if using a spirit level bar is the best method.
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Launa
11 months ago
I'm leaning towards option B. If using a spirit level bar means transferring measurement errors from pedestal to pedestal, that seems like it could cause issues with the overall level of the floor.
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Lucy
11 months ago
Okay, I've got an idea. Since the question mentions the size of a typical raised floor tile, I'm guessing the spirit level bar needs to be longer than that to be effective. I'll go with option A.
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Maddie
11 months ago
Hmm, I think the key here is whether using a spirit level bar will introduce any measurement errors. I'll need to think through the process carefully to decide which option makes the most sense.
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Pamela
11 months ago
I'm not sure about this one. The question seems a bit tricky, and I'm not familiar with the specifics of installing raised floors.
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Glennis
2 years ago
Wait, are we talking about leveling a raised floor or a bar at a raised floor party? Either way, I'm gonna need a spirit level to keep things balanced!
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Karan
2 years ago
Wait, are we talking about leveling a raised floor or a bar at a raised floor party? Either way, I'm gonna need a spirit level to keep things balanced!
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Avery
2 years ago
C) Yes, but spirit level bars can only be used in the vertical plane.
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Erick
2 years ago
A) Yes, spirit level bars can be used as long as their length is longer than 60 cm/2 ft (the size of a typical raised floor tile).
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Roslyn
2 years ago
Haha, I bet the person who wrote this question was having a 'spirit'-ed debate about the best way to level a raised floor. Option B is the clear winner in my book!
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Milly
2 years ago
Yeah, I agree. Let's stick with option B for leveling the raised floor.
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Tony
2 years ago
True, but option B seems like the safest choice overall.
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Sage
2 years ago
But what if the raised floor is really high? Maybe option D would be better in that case.
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Hubert
2 years ago
I think option B makes sense, we wouldn't want any errors transferring between pedestals.
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Melodie
2 years ago
Option D is the way to go! For raised floors higher than 40 cm, using a spirit level bar is definitely the preferred method.
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Sharen
2 years ago
I'll make sure to keep that in mind for my next project.
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Noelia
2 years ago
You're welcome! It helps ensure a level installation.
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Alease
2 years ago
That's good to know, thanks for the tip!
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Shanice
2 years ago
Yes, using a spirit level bar for raised floors higher than 40 cm is preferred.
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Salley
2 years ago
Option C seems more appropriate to me. While spirit level bars can be used, they should only be used in the vertical plane, not for the entire raised floor.
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Franklyn
2 years ago
Option C is a good choice. It's important to use the spirit level bar correctly for the raised floor installation.
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Kimi
2 years ago
C) Yes, but spirit level bars can only be used in the vertical plane.
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Kenda
2 years ago
A) Yes, spirit level bars can be used as long as their length is longer than 60 cm/2 ft (the size of a typical raised floor tile).
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Kanisha
2 years ago
I think option B is correct. Using a spirit level bar can introduce measurement errors across the pedestals, making it an unreliable method for leveling raised floors.
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Antonio
2 years ago
D) Yes, using a spirit level bar for raised floors higher than 40 cm is preferred.
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Aleisha
2 years ago
C) Yes, but spirit level bars can only be used in the vertical plane.
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Rossana
2 years ago
B) No, because using a spirit level bar, a measurement error will be transferred from pedestal to pedestal.
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Louvenia
2 years ago
A) Yes, spirit level bars can be used as long as their length is longer than 60 cm/2 ft (the size of a typical raised floor tile).
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Merri
2 years ago
I think using a spirit level bar is a good idea for accuracy.
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Lezlie
2 years ago
Yes, as long as it's longer than 60 cm.
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Mireya
2 years ago
Can we use a spirit level bar to level the floor?
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