Both NCv2.2 and v2009 are clear with the temperate and humidity constraints. However, how does one apply a flush-out to a warehouse in northern climates with heat but no AC or methods to dehumidify the air? Or unconditioned spaces in southern climates? Does the 60% humidity and 60 degree requirement become null or does it only leave testing as an option? I imagine this happens quite often...
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Curt Pascoe
P.E., LEED AP BD+CRyan Companies US, Inc.
123 thumbs up
July 11, 2011 - 11:32 am
Follow up question: Phased flush-outs are OK, assuming you meet the requirements. What if you test one space and flush out another? Is it allowed to use different compliance methods for different parts of the building?
Allison Beer McKenzie
Architect, Director of SustainabilitySHP Leading Design
LEEDuser Expert
646 thumbs up
September 6, 2011 - 8:27 am
Curt- you would have to meet the temperature and humidity requirements in order to use the flush out option. This could require bringing in temporary heating/cooling and/or dehumidification. You could potentially try a half and half alternative compliance path for partial testing and partial flush-out, but I know of cases that this has been tried and not allowed in the past.