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FAQs about IEQc2.2 :

I have a conference room that only has an on-off switch. Is this compliant with the credit requirements? If not, how can I improve lighting controllability in this space and also be compliant with LEED?

We have a lot of visitors in certain parts of our building, but we don’t necessarily want them to have controllability over lighting whenever they want. What do we do for these spaces? Can we still earn this credit?

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EBOM-2009 IEQc2.2:Controllability of Systems—Lighting

Non-Regularly Occupied Spaces such as Bathrooms and Corridors

Unfortunately, I believe bathrooms and corridors have to be included in the IEQc2.2 calculations. The EB:OM IEQ space type classification document (http://www.usgbc.org/ShowFile.aspx?DocumentID=10539) clearly has a Y in the column for "Lobbies, corridors, restrooms" in Office spaces meaning that "The space must be included in the credit requirements." Unless I'm reading something wrong it seems that almost all spaces, regularly occupied or not still must be included in the IEQc2.2 credit requirements. Perhaps simply a motion sensor in those spaces would be enough to comply with the credit requirements, but they must be counted nonetheless. If I'm wrong, please clarify. Thanks!

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Dan Ackerstein
Principal
Ackerstein Sustainability, LLC
LEEDuser Expert
545 thumbs up

Tue, 09/11/2012 - 19:04

Notwithstanding the document Emily cited, (which, I agree, seems to suggest that restrooms & corridors should be included) I can't see how including restrooms and corridors would make any sense. There's no 'indoor environmental quality' value in providing multiple lighting controls in a corridor or bathroom, nor do occupants need, want or benefit from modulating light levels in those areas. Energy benefits, perhaps, but that's not what this credit is about. For what its worth, in many years of submitting and reviewing EB applications I don't think I can remember ever expecting restrooms or corridors to be included under this credit. The BAS credit, absolutely, but not here. Dan

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