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Is outdoor air quality testing required in a space using natural ventilation?

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NC-2009 IEQp1:Minimum IAQ Performance

IEQp1 Corridor

Hello, I'm working on a project that the air exchange in the corridor is made by an adjacent open plan office. I would like to know if I still comply with the requirement of the standard and how should I calculate this area? Should I exclude the area from the corridor or Should I include this area in the office area? Thanks!

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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

Tue, 09/27/2011 - 15:01

You will want to include the corridor in your calculations. Is the corridor completely open to the office?

Fri, 10/07/2011 - 14:43

Yes. Its open to the office. There is no door interupting the way. So, to include the corridor in the calculation I consider it as part of the office? Thanks,
Profile picture for user rchan
Roger Chang
Principal, Energy and Engineering Leader
DLR Group | Westlake Reed Leskosky
LEEDuser Expert
267 thumbs up

Wed, 11/02/2011 - 19:40

That is a reasonable approach.

Mon, 11/21/2011 - 16:41

Hi Roger, I've checked the plant and I've noticed that there are some small corridor isolated (there are door in all adjacent rooms). To comply with ASHRAE standard, do the project really need to install outdoor air duct in those spaces (even knowing that the space is very small and the volume of outdoor air in the space will be very little)? I'm confused, because the standard doesn't require outdoor air in the toilets, only exhausting fans, knowing that the air exchange will be doing by air pressure difference. If there are some exhauster in those space, do the project comply with the standard?

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