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US Green Building Council LEED-AP-ID+C Exam - Topic 5 Question 6 Discussion

After the construction and installation of all finishes and furnishing of a new 36,000 ft2 (3 344.5 m2) office space, what is the minimum total volume of outdoor air that is required during a non-phased flush-out procedure to achieve Indoor Environmental Quality Credit, Indoor Air Quality Assessment?
C) 504,000,000 ft3 (14 271 690.7 m3)
A) 126,000,000 ft3 (3 567 922.7 m3)
B) 378,000,000 ft3 (10 703 768.1 m3)
D) 522,000,000 ft3 (14 781 394.0 m3)

US Green Building Council LEED-AP-ID+C Exam - Topic 5 Question 6 Discussion

Actual exam question for US Green Building Council's LEED-AP-ID+C exam
Question #: 6
Topic #: 5
[All LEED-AP-ID+C Questions]

After the construction and installation of all finishes and furnishing of a new 36,000 ft2 (3 344.5 m2) office space, what is the minimum total volume of outdoor air that is required during a non-phased flush-out procedure to achieve Indoor Environmental Quality Credit, Indoor Air Quality Assessment?

Show Suggested Answer Hide Answer
Suggested Answer: C

The LEED requirement for Indoor Environmental Quality Credit, Indoor Air Quality Assessment, specifies that after construction, a non-phased flush-out must supply a total air volume of 14,000 cubic feet of outdoor air per square foot of floor area1. For a new office space of 36,000 ft, the calculation would be:

36,000ft214,000ft3/ft2=504,000,000ft3

This aligns with option C, which is the correct answer.


LEED v4: Interior Design + Construction Guide2.

Understanding LEED IAQ Testing Requirements1.

by Mammie at Jan 10, 2025, 04:47 AM

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Quentin
6 months ago
Wait, how do they even measure that much air?
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Nakita
6 months ago
Totally with you, EcoWarrior! B feels right.
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Rikki
7 months ago
522 million? That sounds way too high, right?
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Corrinne
7 months ago
I think it's B, that seems reasonable for a space that size.
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Noelia
7 months ago
The flush-out requires a lot of air, like really a lot!
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Latanya
7 months ago
I vaguely remember that the minimum volume is quite high, possibly over 500 million cubic feet. I should have reviewed that section more thoroughly!
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Amie
8 months ago
This question feels similar to one we did in class about air quality credits. I think the answer is around 378 million cubic feet, but I could be wrong.
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Rocco
8 months ago
I think the flush-out procedure requires a specific air change rate, but I can't recall the exact numbers we practiced.
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Stephen
8 months ago
I remember something about calculating air volume based on square footage, but I'm not sure how to apply it here.
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Andra
8 months ago
I'm not too confident about this one. HVAC calculations can be tricky, and I'm not sure I fully understand the requirements for the Indoor Air Quality Assessment credit. I'll need to review my notes and maybe ask the instructor for some clarification.
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Rueben
8 months ago
This seems straightforward enough. I just need to plug the given information into the formula and do the math. As long as I don't make any silly mistakes with the units, I should be able to get the right answer.
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Mattie
8 months ago
Okay, I think I've got this. The key is to calculate the total air volume required based on the floor area of the office space. I'll need to use the appropriate air change rate and duration for the non-phased flush-out procedure.
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Scot
8 months ago
Hmm, I'm a bit confused by the units here. I'll need to double-check the conversion between square feet and square meters, as well as the conversion between cubic feet and cubic meters to make sure I understand the numbers correctly.
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Buffy
8 months ago
This looks like a tricky HVAC question. I'll need to carefully review the requirements for the Indoor Air Quality Assessment credit and the non-phased flush-out procedure to determine the minimum total air volume.
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Ronnie
1 year ago
Ah, the joys of HVAC calculations. I bet the person who wrote this question is sitting back, sipping their coffee, and chuckling at our struggling expressions. Well, joke's on them, I'm about to nail this one!
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Douglass
1 year ago
D) 522,000,000 ft3 (14 781 394.0 m3)
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Bernadine
1 year ago
C) 504,000,000 ft3 (14 271 690.7 m3)
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Elizabeth
1 year ago
B) 378,000,000 ft3 (10 703 768.1 m3)
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Peggie
1 year ago
A) 126,000,000 ft3 (3 567 922.7 m3)
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Lawrence
1 year ago
Option D, clearly. After all, a 'flush-out' procedure implies we need to flush out as much air as possible, like a super-sized version of those car washes with the giant brushes. Go big or go home, I always say!
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Carey
1 year ago
Ah, the age-old question of how much air is enough. I say we just open all the windows and let Mother Nature handle it. Who needs fancy calculations when you've got a good old-fashioned breeze, am I right?
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Gerald
1 year ago
D) 522,000,000 ft3 (14 781 394.0 m3)
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Lettie
1 year ago
C) 504,000,000 ft3 (14 271 690.7 m3)
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Alexia
1 year ago
B) 378,000,000 ft3 (10 703 768.1 m3)
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Tricia
1 year ago
A) 126,000,000 ft3 (3 567 922.7 m3)
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Elise
1 year ago
Hold on, I think I remember something about the minimum required volume. Wouldn't that mean option A is the correct answer? Wait, is this a trick question? I'm starting to second-guess myself now.
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Gayla
1 year ago
User 2: Yeah, I agree. Let's go with option A.
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Leslie
1 year ago
User 1: I think you're right, option A does seem to match what I remember.
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Tamesha
1 year ago
I'm not sure, but I think it might be C) 504,000,000 ft3
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Jacquelyne
1 year ago
I disagree, I believe the correct answer is D) 522,000,000 ft3
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Crista
1 year ago
I think the answer is A) 126,000,000 ft3
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Leatha
1 year ago
Hmm, let me think about this. I'd say option B looks about right, it's the biggest number so it must be the correct answer. After all, more is better when it comes to indoor air quality, right?
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Lauran
1 year ago
Maybe, but it's better to have more fresh air than not enough.
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Julian
1 year ago
But wouldn't it be too much air volume if we choose option B?
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Kasandra
1 year ago
I agree, more outdoor air volume is better for indoor air quality.
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Nu
1 year ago
I think option B is the correct answer.
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