If only a HORIZONTAL direct line of sight from 42" to the exterior window will ultimately allow an area to qualify as having a view, why have the discussion about glazing from 30" to 90" at all? If there is a direct line of site at 42", it is already in the range. Is there something I am missing?
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Allison Beer McKenzie
Architect, Director of SustainabilitySHP Leading Design
LEEDuser Expert
646 thumbs up
March 30, 2011 - 9:52 am
I agree that this is really confusing and I don't know if the logic that I am using to rationalize these seemingly conflicting issues is correct, but I'll share it in case it helps. The LEED reference guide talks about views at 42", but it also discusses that other view heights may be more appropriate for areas with younger occupants or areas where work is done standing or in elevated areas. So, my thinking is that you have to meet both requirements: the horizontal view at 42" or whatever height you justify as appropriate and through glazing that is 30" to 90" AFF. So, this would eliminate, for example, using a horizontal view of less than 30" for a younger occupancy.
Sonrisa Lucero
Owner / Energy Engineer / Sustainability ConsultantSustainnovations, LLC
138 thumbs up
April 6, 2011 - 4:57 pm
Thanks for the comment, Allison. You logic is is consistent with LEED NC where the 42" could be substituted for a height that makes more sense for the occupants' use of the room. However, I still don't see why having the range is relavant unless they were allowing someone from a seated position at 42" having a direct DIAGONAL line of sight to a window at 30" or 90". I will continue to puzzle about it after I submit a template with only 42" HORIZONTAL lines of sight. :-|
Peter Locke
Sustainability Consulting DirectorMcKinstry
7 thumbs up
August 17, 2011 - 12:14 pm
Can someone please clarify this basic question for me?
The cube partitions are higher than 42", therefore seated horizontal view is disrupted. This is a fast fail for view correct? Or does the 30"-90" still give me a chance to earn views?
Devani PERERA
Green Building ConsultantElan
25 thumbs up
August 19, 2011 - 11:21 am
What do you think of the following explanation to rationalize these seemingly conflicting issues: The horizontal view at 42" applies to discrete locations/points (the reference guide seems to require 1 point for each space, I am assuming they mean 1 point for each working station). Glazing from 30" to 90", on the other side, pertains to the entire surface of the area and not only to a few localized points. Any thoughts?