Question on Building Shading Device (North Facade)

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    David Kaplan

    Arman,

    Yes that is the essential "diagram" that I had in my head when I took these exams.  And yes, the above refers to the Northern Hemisphere, and I will tell you that you will be told the location of a building when asked about things like this on the exam.  It'll either say "northern hemisphere" or perhaps "Montana" or something like that.  The same holds true for climate questions - if the goal of the question is to get you thinking "cold climate" when figuring out the answer, NCARB will tell you the building is in a cold climate, or in a location that is obviously a cold climate like Alaska. 

    The north side of the building receives ambient lighting so shades are not typically required, based on the typical sun path. 

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    Arman Bostani

    So no shading on N Facade! Appreciate the feedback.Thanks David. 

     

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    Lilia Grigoryan

    Based on MEEB and HCL you can have vertical fins. See the page photos from each book.

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    Ben Grinblatt

    Fins on the N facade would really only apply in more southern regions (or northern - closer to the equator) as the sun will rise and set further N in the E/W on the sun path. But in a cold climate this wouldn't apply.

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    Arman Bostani

    Lilia's ref. to MEEB is what was on my mind when originally posting this note. A colleague who recently took one of the exams mentioned about a drag and place scenario with windows on all sides asking to place appropriate sun shade devices. She said she used horizontal for S and "N" and then verticals for E & W (though she says the verticals where at an angle, which she rotated them to face N) She has passed that exam, but this triggered my curiosity about sun shade devices, especially since she mentioned placing horizontal ones for N facade as well. I asked her if a specific location was given and she said no. I guess this is one of those typical NCARB style mysteries! 

    @Ben, I concur. Best approach would be to pay attention if there is a location mentioned in the question otherwise leave the side facing N without shading device.

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