[Bldg-sim] Window

[May Xu]

I met the similar problem when determining the fenestration area for each case.

My project got different fenestration area % on each facade, details see belows:

- North 25%, East 37%, West 37%, South 45%.  The average % for the four orientation is 35.5%.

According to Appendix G, which option should be the fenestration area of the baseline building? 

Option-1: North 25%, East 37%, West 37%, South 40%.  
Option-2: North 35.5%, East 35.5%, West 35.5%, South 35.5%.

Thanks
May
----- Original Message ----- 
From: "Brian Fountain" <bfountain at greensim.com>
To: <umit.esiyok at uni-dortmund.de>; <bldg-sim at lists.onebuilding.org>
Sent: Tuesday, February 19, 2008 9:42 PM
Subject: Re: [Bldg-sim] Window


In the case you described, the proposed design will have almost 80% 
fenestration (actual fenestration area).  The reference building will 
have 40% glazing. 

Ümit Esiyok wrote:
> 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?
>
>
>   

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