[Bldg-sim] Window

[Demba Ndiaye]

A NOTE on that CIR says that ASHRAE Addenda are now approved.
It is allowed to use the provisions of http://www.usgbc.org/ShowFile.aspx?DocumentID=2664 for Credit EA1 of NC 2.2.

______________
Demba Ndiaye

> -----Original Message-----
> From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-
> bounces at lists.onebuilding.org] On Behalf Of Carlos Alonso
> Sent: Tuesday, February 19, 2008 12:34 PM
> To: Cramer Silkworth; umit.esiyok at uni-dortmund.de
> Cc: bldg-sim at lists.onebuilding.org
> Subject: Re: [Bldg-sim] Window
> 
> Cramer,
> LEED-NC 2.2 does NOT accept addenda of the Appendix G. Not only the
> fenestration distribution but any of the requirements changed in any of
> the addenda are NOT accepted. It is in the definition of the Credit EA1
> Optimize Energy Performance. There is also a CIR posted in the usgbc
> website on the 4/25/2007 for this credit where this question is explained.
> 
> Hope it helps,
> Carlos
> 
> 
> 
> 
> Carlos Alonso
> Software Analyst
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> -----Original Message-----
> From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-
> bounces at lists.onebuilding.org] On Behalf Of Cramer Silkworth
> Sent: 19 February 2008 11:23
> To: umit.esiyok at uni-dortmund.de
> Cc: bldg-sim at lists.onebuilding.org
> Subject: Re: [Bldg-sim] Window
> 
> Umit,
> 
> Addendum A removes that statement about uniform distribution, but does not
> change the area limits. As of April 2007 a design team may use addenda,
> but you must apply it to the entire LEED submittal (not necessarily all of
> the addenda, you can use just one if you like, as far as I know)- so you
> need to read all of Addendum A and follow all of its changes if you want
> to avoid the area distribution nonsense.
> 
> You can find the addenda here: http://www.ashrae.org/technology/page/132
> 
> If there are other modifications to the 40% area limit I don't know of
> them.
> 
> J. Cramer Silkworth
> silkworth at transsolar.com
> +49 0711-67976-182
> Transsolar Energietechnik GmbH
> http://www.transsolar.com
> Stuttgart - Munich - New York
> 
> Climate Engineering: Technologies for energy-efficiency and user comfort
> in buildings.
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> Stefan Holst
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> 
> 
> -----Original Message-----
> From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-
> bounces at lists.onebuilding.org] On Behalf Of Ümit Esiyok
> Sent: Tuesday, February 19, 2008 12:09 PM
> To: bldg-sim at lists.onebuilding.org
> Subject: [Bldg-sim] Window
> 
> Dear all,
> 
> I simulate an office building from ASHRAE Table G3.1 I read that "Vertical
> fenestration areas for new buildings and additions shall equal that in the
> Proposed design or 40 % groß above grade wall, whichever is smaller, an
> shall be distrubuted uniformly..."
> My office building has in reality almost 80 % fenestration area.
> my first Qeustion is;
> 1)in Proposed and Baseline design the fenestration area must be same or
> not?
> 2)in both cases should window area be less than 40%?
> 3)I read from this email group that 40 % fenestration area requirement not
> aplicable anymore ? is that right?
> 
> 
> --
> Ümit Esiyok
> 
> 
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