[Equest-users] Building rotation around the compass

[Maria Karpman]

Rotation rules were relaxed in 90.1 2010 (see below). Since 90.1 2010 = 90.1
2007 + addenda, and given that LEED allows use of addenda, you may not have
to do rotations as long as you can justify that the orientation in your case
was dictated by site considerations, find the addendum where the change was
introduced, and reference it in your submittal. On the other hand, rotating
in eQUEST is so easy that it may take you less time to do that than to
justify exception to the reviewer.  

 



 

 

Good luck,

 

Maria

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Joe Huang
Sent: Wednesday, November 13, 2013 6:03 PM
To: equest-users at lists.onebuilding.org
Cc: Eley, Charles
Subject: Re: [Equest-users] Building rotation around the compass

 

Nick, Jeff, 

I remember this issue coming up when I had lunch with Charles Eley a few
months ago, but I don't dare repeat what I remembered Charles' saying,
because my memory is not that good.  Therefore, I'm forwarding this to
Charles in hopes that he can chime in himself!

Joe



Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 108D
Moraga CA 94556
yjhuang at whiteboxtechnologies.com
http://weather.whiteboxtechnologies.com for simulation-ready weather data
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"


On 11/13/2013 2:05 PM, Nick Caton wrote: 

Hi Jeff,

 

My loose understanding is the line of "rotations or not" is drawn by whether
it's considered by LEED a "major renovation." 

100% new construction - do the rotations

100% existing renovation - no rotations

Combination of new construction and existing renovation - do the rotations
if the new construction (by footprint) exceeds the existing building areas
(>50% new construction).  For that case, the building orientation is
considered an existing condition.  Note these building areas are tallied
under other credit templates, so if the figures are close be sure to
coordinate your interpretation and figures on this point with others on your
LEED team.

 

That's the impression I've received between reviewers for a few projects
anyway - I'm not certain whether this rule is actually in writing somewhere
to cite.  Perhaps someone else can chime in and inform/correct me on this?

 

For future reference, queries not specific to eQuest like this might reach
more folks with answers to contribute via the [bldg.-sim] mailing list ;).

 

Best regards,

 

~Nick

cid:489575314 at 22072009-0ABB

 

NICK CATON, P.E.

SENIOR ENGINEER

 

Smith & Boucher Engineers

25501 west valley parkway, suite 200

olathe, ks 66061

direct 913.344.0036

fax 913.345.0617

www.smithboucher.com 

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Jeff
Ross-Bain
Sent: Wednesday, November 13, 2013 2:53 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Building rotation around the compass

 

Hi, eQuest Masters- this is my week for easy questions (I think):

 

I know that a new stand-alone building gets the 4-point rotation.

I know that an existing building project does not.

However, what is the protocol when one has an all new addition to an
existing building. The new addition under consideration doubles the floor
area and is registered for LEED certification?

Rotate or not? My guess is not.

Thanks.

 

Jeff Ross-Bain, PE, LEED AP BD+C, BEMP
Principal

404-220-8940 Office

404-220-8955 Direct

www.rbgb.com <http://www.rbgb.com/> 

Build Green. Save Time

 

 
 
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