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FAQs about IEQc3.2 :

Should we install furniture and furnishings before IAQ testing or flushout?

The air temperature and/or relative humidity went out of the credit requirement specifications for a portion of the flush-out. What do we do? Can we extend the flush-out for the equivalent amount of time to make up for it?

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NC-2009 IEQc3.2:Construction IAQ Management Plan—Before Occupancy

Defined Flush out Area

Profile picture for user thomas.boyd
Thomas Boyd
MEP Construction Manager
Tonn and Blank Construction, LLC
LEEDuser Basic Member
21 thumbs up

Hello everyone - Our project's registration details reference building square footage as 51,441. However, we've only finished 40,100 sqft. Given that our registration makes reference to the 51,441 value, will our flush calculations be driven by actual finished area or total building area? I ask the question because our mechanical sub submitted his calcs based on finished space? thanks- tom

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Profile picture for user dconnelly
Dylan Connelly
Mechanical Engineer
Integral Group
LEEDuser Expert
342 thumbs up

Sun, 04/29/2012 - 18:03

Thomas, We've come across the same question on our projects as well. The LEED manual did not seem to provide a definitive answer so we have gone with the project registration square footage to be on the safe side. In your case, there is a significant difference in sqft and it would probably be worth it to flush out less sqft while providing the LEED reviewer with an explanation/justification. Consider reviewing what sqft is being ventilated by your HVAC systems. If the unfinished area is not ventilated than you don't have an opportunity to flush it out anyway.

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