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FAQs about IEQc3.2 :

Is it possible for the flush-out start date to vary by ventilation zone?

Should a parking garage be included in a flush-out, if it is in a basement and not fully open to the outdoors?

Do the outdoor air minimum quantities have to be met for each individual space, or for the building square footage as a whole?

Do non-regularly occupied areas such as bathrooms and corridors have to be flushed-out?

For LEED NC addition projects, do existing non-renovated areas need to be flushed-out or tested?

For IAQ testing, how many sample points are necessary in non-mechanically ventilated spaces?

Can testing be done over various days?

I'm confused about the 11/1/2011 LEED addendum that removed the "1/25,000 SF or each contiguous area whichever is larger" language from the credit requirement. How do we determine the number of sampling locations for testing?

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

Is flush out possible in countries with high humidity?

Hi, we would like to know if flush out is practicable in areas where high humidity is experienced whole year, say 70-85%. Should we cancel out option 1 already and go for option 2 (IAQ testing)? If the team still opt for option 1 flush out, can you recommend strategies in maintaining the 60% or less RH? thank you

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Dylan Connelly
Mechanical Engineer
Integral Group
LEEDuser Expert
342 thumbs up

Tue, 09/03/2013 - 21:46

You conditions makes it more energy intensive to flush out the building. You would need to dehumidify the air before it enters the space. This is practical when you have a standard VAV air handling system but not as much when you have a dedicated outside air system.

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