[Equest-users] Baseline or Proposed? Chicken or the egg?

Pasha Korber-Gonzalez pasha.pkconsulting at gmail.com
Tue Oct 26 20:06:44 PDT 2010


A couple of further questions then:


   - if you are doing a LEED (or other) compliance model (without design
   analysis) then do you build the proposed or baseline model first?
   - With eQuest 3.64 doesn't it create a baseline model file based on
   building your proposed model in eQuest first?  I thought that was the
   function/convenience of the compliance tool.   Of course the baseline model
   file needs to be checked and calibrated but the general intent was to
   streamline the creation of a baseline model file in response to the inputs
   for the proposed design.  Is this correct logic?

pkg

On Tue, Oct 26, 2010 at 7:44 PM, Paul Diglio <paul.diglio at sbcglobal.net>wrote:

>  Pasha:
>
> I always start with the baseline model because I am usually hired to
> provide design suggestions.  By modeling the baseline first I become
> familiar with the 90.1 requirements for the type of building and systems we
> are working on and I can make suggestions that will increase the efficiency
> of the facility above and beyond the 90.1 standard.
>
> For example, if my total exhaust air for a zone is less than 5,000 CFM,
> 90.1 does not require exhaust energy recovery, but by implementing this
> option in the proposed model we can achieve a greater reduction compared to
> the 90.1 baseline.
>
> Paul Diglio
>
>  ------------------------------
> *From:* Pasha Korber-Gonzalez <pasha.pkconsulting at gmail.com>
> *To:* eQUEST Users List <equest-users at lists.onebuilding.org>
> *Sent:* Tue, October 26, 2010 8:27:55 PM
>
> *Subject:* [Equest-users] Baseline or Proposed? Chicken or the egg?
>
> Out of curiosity do you build your proposed model first or your baseline
> model first?
>
>
> I build my proposed model first.  This is the way that I was taught and the
> way I learned that makes sense to me in terms of "backing-off" the
> performance values to that equal of the baseline values.  Or in the case of
> different types of HVAC systems I prefer to build the proposed model first
> and then do a "save as" to a baseline file to make all the appropriate
> baseline input adjustments.  This just seems most efficient for my modeling
> approach.
>
> What's your approach?
>
> pkg
>
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