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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

Renovated spaces or whole building for ASHRAE 62.1

Hello, We have a project that consists of renovating 3 separate spaces in a large commercial building. The building was designed under ASHRAE 62.1-1999 (applicable standard at the time) and received a LEED silver rating. When complying with IEQp1 we understand that the ventilation systems serving the spaces to be renovated must comply with ASHRAE 62.1-2007. Is it also required to provide new ventilation air calculations under 62.1-2007 for rest of building as well?

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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, 11/14/2013 - 13:45

Matt, ASHRAE 62.1-2007 compliance is only required for the spaces within the proposed LEED-CI scope. That said, any adjustments made, could impact other spaces in the building, especially if you have multi-zone VAV systems.

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