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FAQs about IEQp1 :

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

For a space designed to be naturally ventilated, can operable windows or vents be used to satisfy the 62.1-2007 requirements?

What options are available to projects outside the US to meet this prerequisite?

Can LEED 2009 projects elect to follow ASHRAE 62.1-2010 for this prerequisite?

Which units should be included in the calculations for this prerequisite?

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CI-2009 IEQp1:Minimum IAQ Performance

LEED CS v2009 certified building

Hi all, We have a small LEED:CI project in a CS certified shopping mall. We don't have any direct outdoor air intakes, we take the air from the main atrium and give it to our space. The base building has even achieved increased ventilation credit by natural ventilation, so air in atrium is quite acceptable. How can we document compliance with this prerequiste? Thank you!

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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

Thu, 03/08/2012 - 23:23

Aaron, you'll want to see if you can find out the outside air percentage in the air distributed to the atrium. ASHRAE 62 does allow you to use transfer air to meet ventilation requirements in certain cases, with a zone air distribution effectiveness of 0.8 if you're transferring air from the opening of the store to the back of the store.

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