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NC-v4 EQc4:Indoor air quality assessment

Gross Floor Area for Flushouts

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Cory Duggin
Senior Energy Wizard
TLC Engineering Solutions
LEEDuser Premium Member
44 thumbs up

Should the penthouse be included in the gross area used to calculate the flush out volume?  Also, does it have to be specific on a system by system basis, such as the area of the floor served by certain units?

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Mon, 08/16/2021 - 20:39

I have always documented this credit on a system by system basis. I think it makes sense because each system will take a different length of time depending on the fan airflow and the square footage to be flushed.

Mon, 08/16/2021 - 20:43

Regarding the penthouse, if it is an occupiable space, I think you do have to cover that area in your calculations.  

Fri, 08/12/2022 - 16:43

Can you exclude unoccupied space in the Square Footage Calculations?
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Dave Hubka
Practice Leader - Sustainability
EUA
LEEDuser Expert
510 thumbs up

Fri, 08/12/2022 - 18:27

in LEED world, the floor area listed in the Details page should be used in the flushout calculations. 

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