We have a project which the outdoor air supply is limited from the base building HVAC system (out of our boundary) and we are not sure if the project will be able to meet the ASHRAE 62.1 requirements due to this. Has anyone gone down the compliance path when one or more AHUs are unable to meet the ASHRAE 62.1 requirement and had their credit approved? I'm wondering what GBCI considers qualifying 'space and system constraints' and requires for documentation.

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Roger Chang

Principal, Energy and Engineering Leader

DLR Group | Westlake Reed Leskosky

LEEDuser Expert

267 thumbs up

Fri, 08/31/2012 - 17:44

If there are space and system constraints, you can go down to 10 cfm per person, but no less. There's no way around this, without violating the original intent of this pre-requisite.

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