[Bldg-sim] DOAU in Baseline vs. Proposed Model

[Carol Gardner]

In my opinion, it should not be modeled in the baseline building and outdoor
air should be added to the systems.
Carol

On Thu, Apr 22, 2010 at 8:11 AM, Seth P. Spangler <sspangle at rmf.com> wrote:

>  Hello All,
>
>
>
> For the majority of the LEED projects I work on I decouple the space load
> from the ventilation load by using a dedicated outdoor air unit (DAOU).
> Before GBCI took over the review process the proposed and baseline models
> contained the same number of systems meaning if we used a DOAU in the
> proposed model  - we modeled the same unit in the baseline. I recently
> received a comment to remove the DOAU from the baseline and add the
> ventilation air to the space load systems. For that particular model it
> didn’t have a very big impact so I didn’t think twice about it.
>
>
>
> The question – should a DOAU be modeled in the baseline case or should the
> outdoor air load be added to the mechanical systems that take care of the
> space load?
>
>
>
> Thanks
>
>
>
> Seth Spangler, LEED® AP
>
> Project Engineer
>
>
>
> RMF Engineering, Inc
>
> Ph: (843) 971-9639 ext:1497
>
> Fax: (843) 971-9641
>
> sspangle at rmf.com
>
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