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Does each individual zone need a 30% increase in ventilation, or can a weighted average be used for the building?

Do spaces which are not regularly occupied require increased ventilation?

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NC-2009 IEQc2:Increased Ventilation

Repair Bays

Repair bay do not have Ventilation requirement but they do have exhaust requirement. Per the increased ventilation credit would we have to exhaust 30% more outside air?

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Profile picture for user rchan
Roger Chang
Principal, Energy and Engineering Leader
DLR Group | Westlake Reed Leskosky
LEEDuser Expert
267 thumbs up

Mon, 12/19/2011 - 14:33

Based on the language of this credit, the emphasis is on supply side breathing-zone ventilation, rather than exhaust. Has anyone else on this forum had to provide 30% more exhaust to meet this credit?
Profile picture for user dconnelly
Dylan Connelly
Mechanical Engineer
Integral Group
LEEDuser Expert
342 thumbs up

Mon, 12/19/2011 - 16:34

The credit language does not mention exhaust. The increase in ventilation applied to only regularly occupied spaces.That being said if the repair bay is regularly occupied you may consider providing ventilation. I have achieved this credits many times without providing information about the buildings exhaust systems.

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