I would like to know if there is a maximum obstruction height of views for option 1. In the case in my project, if it is an office building, with a central atrium and in that atrium, we would have a window-sill of masonry and just above a frame of transparent glass. I would like to know if there is a height limit for this window-silll which is not considered obstruction for v4.
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TODD REED
Energy Program SpecialistPA DMVA
LEEDuser Expert
890 thumbs up
August 17, 2017 - 9:29 am
If its an atrium open to the outside, the limit on the sill would be within cone of vision. The 42 line has been softened but its still a good guide to providing views to occupants sitting. If the bottom of the glazing is within 90" of the floor you should be ok. I have documented a few spaces with this argument.