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NC-2009 IEQc8.1:Daylight and Views—Daylight

Hello,
I am documenting this

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Michael Russo
Architect in Training / Sustainability Specialist
Weddle Gilmore Black Rock Studio
LEEDuser Basic Member
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Hello, I am documenting this credit using the simulation method. For many of the regularly occupied spaces, the rooms are above the 10fc requirement except for a small corner of the room. Based on reading this thread, my understanding is that the % of the room that is daylit can be counted towards the total required daylit SF. Is that correct? Or if a room has an area that is below 10fc, then is that entire room disqualified? Thanks for your help!

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TODD REED
Energy Program Specialist
PA DMVA
LEEDuser Expert
626 thumbs up

Fri, 01/09/2015 - 13:29

Michael, With the simulation method, what ever area in a room that is above 10fc and below 500 fc at both 9am and 3pm, that is your compliant square footage. For example, a 200 sq ft room has 190 sq ft within the range at 9am and 180 sq ft within the range at 3pm, then your compliant square footage for the space to be entered into the calculator would be 180 sq. If some of the area of a room is below or above any limit, it does not disqualify the entire space, only the sq footage. Hope that clarifies your issue.
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Lisa Fabula
Sustainable Project Manager
KEMA Services
LEEDuser Basic Member
28 thumbs up

Thu, 03/26/2015 - 23:00

Michael Question. If part of the building area passes at 9am but does not pass at 3pm does that mean we cant use that 9am area for that time. Basically what I am getting at is that if at 9am 80 percent of the building is withing the 10-500 fc range and at 3pm the building is also at 80% but some of the areas are in different locations. Meaning that they dont share all the same area. Would this still work. Or is the area that does not pass at 3pm disqualify an area that would have passed at 9am? Thanks in advance

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