<div>Rob,</div>
<div> </div>
<div>first of all---its just not that simple. It depends on:</div>
<ol>
<li>what guidelines are you supposed to use for the baseline? If this is a LEED project which version of LEED will dictate which ASHRAE 90.1 version you reference. If it is not a LEED project who is the 'authority' that is approving your baseline--they will have guides that they want to see used for the baseline.</li>
<li>What are the proposed building systems for the building design--what has the ME designed and what type of heating source is being used. When you use ASHRAE 90.1 App. G, the baseline system selection table depends on the size of your building, the classification (non-res, res), and the heat source being used in the actual building design.</li>
<li>There really shouldn't be any impact of your below ground floor on the decision/selection of your baseline systems, what is the below ground space and how is your ME designer conditioning that space per the design drawings.</li>
<li>If you do not have any design direction from your ME, then you will have to take a more "assumptive" approach as the simulator and this can be a very tricky approach if you "assume" incorrectly--but many factors to help identify a valid assumption will go back to whatever your case is for the first three points I have shared.</li>
</ol>
<div>Do you have a copy of the ASHRAE Standard 90.1? We are happy to help, but we will need more detail from you so that we can point you in the right direction.</div>
<div> </div>
<div>Pasha</div>
<div> </div>
<div> </div>
<div>PK Consulting</div>
<div> </div>
<div class="gmail_quote">On Mon, Mar 29, 2010 at 1:42 PM, Rob Hudson <span dir="ltr"><<a href="mailto:rdh4176@gmail.com">rdh4176@gmail.com</a>></span> wrote:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">I have an office building that i am modeling that has 3 above ground floors and one below ground floor. the total square footage is 32,000. would this qualify as a VAV for the baseline or a single zone constant volume?<br>
The below ground floor is the part that is making me have second thoughts. my first thought was VAV, but i figured i would pose the question to get some healthy conversion.<br><br>thanks,<br clear="all"><br>-- <br><font color="#888888">Rob Hudson<br>
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