[Bldg-sim] Shading from adjacent buildings for LEED

[Matutinovic, Luka]

Appendix G is pretty clear that self-shading in the baseline case is not
permitted.  For whatever reason I seem to remember seeing something
similar about shading from adjacent buildings.  I have heard from
mechanical consultants that they never factor in adjacent building when
sizing equipment since they can't foresee what will happen to them in
the future.  But for a campus setting, where the owner has a commitment
not to tear the buildings down, maybe you can argue otherwise.
 
I'd love to hear some thoughts from the veterans here.  
 
Thanks,
Luka

________________________________

From: Eric Studer [mailto:estuder at dmiinc.com] 
Sent: Friday, May 01, 2009 7:00 AM
To: Matutinovic, Luka; bldg-sim at lists.onebuilding.org
Subject: RE: [Bldg-sim] Shading from adjacent buildings for LEED



It seems to me that credit should be taken for shading from adjacent
buildings.  The base case procedure takes pains to normalize the
baseline analysis to a building that is neutral to solar gain and there
have been requirements in the past (and still are?) that the building
cannot self-shade itself.  Other Bldg-sim readers probably can provide a
more of official reading of the actual rules and I am interested in
hearing their rationales.

 

Eric

 

Ph:   (781) 431-1100 ext 12
Fax:  (781) 431-1109

 

________________________________

From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of
Matutinovic, Luka
Sent: Thursday, April 30, 2009 3:24 PM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] Shading from adjacent buildings for LEED

 

Hi All,

 

I assume that neither ASHRAE 90.1 ECB or Appendix G allow you to take
credit for shading due to surrounding buildings.  Can anyone provide a
specific reference to the code or LEED Reference Guide where that is
stated?  I understand the rationale for a single building, but if I'm
working on a campus with single ownership and the buildings have a 30
year contract to be owned and operated, I feel like I should be allowed
to take a credit for reducing the solar heat gains due to adjacent
buildings.  Any thoughts?

 

Thanks,

 

Luka Matutinovic, B.A.Sc., LEED(r) AP

Green Building Consultant
 
T. 416.487.5257 ext. 317  
F. 416.487.9766  
Toll Free 1.888.425.7255
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