Dear All,
I am working on a project which has two towers within the same LEED
boundary. One tower is 3 stories and another is 4 stories. Total conditioned
area of the project is 70000 ft2. Heating type of my project is Electric.
In this case, what can be project baseline system? Should I choose baseline
system 6 or baseline System 8?
Thanks in Advance
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with regards,
Praveen K. Jain
Prateek,
The first column for table G3.1.1A says for Non residential 5 floors or less
and 25,000 SF to 150,000 SF. I think your sytem should fall under this and
so Baseline System 6 should be the right choice. I dont know if adding the
floors on the two buildings is a good idea !!
Anyone else in support or in disagreement with my comment ?
That's what I'd do (but I'd also ask the lists to be sure)!
The only real distinction (and potential for a problem) here is that you
have two buildings in one model. Provided you continue to treat each
building separately, both in building your baseline and in
documentation, I don't see any base reason why a reviewer would reject
the models.
Can anyone share a successful 2-building-1-model submittal experience to
confirm this alone isn't an issue?
~Nick
NICK CATON, E.I.T.
Thanks for your reply
Nick, I have created both building in one single model to take benefit of
shading of building also as one single leed project.
I am still not able to decide while choosing baseline building; number of
floors should be sum of all floor in project or maximum number of floor of
building.
--
With Regards
Praveen
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Praveen,
Assuming you are applying for LEED 2009, you might consult the "2010 LEED Application Guide for Multiple Buildings and On-Campus Building Projects".
This document is available here https://www.usgbc.org/ShowFile.aspx?DocumentID=7987.
There is also another Guide that was published in 2005 I believe and that apply to earlier versions of LEED.
______________
Demba NDIAYE
Praveen,
There is a rationale that ASHRAE 90.1 does not allow tradeoffs between buildings. So if you are using a model to demonstrate compliance with 90.1, you need a model of each building separately.
So for LEED 2009, can the EAp2 10% savings requirement be met in aggregate or does it have to be met on each building independently?
Surely someone has answered that somewhere. Look in the big book.
If aggregate is okay, then I wonder if each building needs to individually state or demonstrate compliance with 90.1?
(or should we forget we thought of that question?)
Thanks for getting me thinking about this. I have a multiple building project on the back burner and maybe I can use this to nudge them.
Paul Riemer, PE, LEED AP