[Bldg-sim] Exhaust Fans in Baseline

[Vinay Devanathan]

Demba and Vikram,

Alright. Thanks for the clarification.

Regards,
Vinay

On Thu, Jul 8, 2010 at 5:35 PM, Demba Ndiaye <Demba.Ndiaye at setty.com> wrote:

>  Exhaust fan power is to be the same for both designs. You apportion the
> remaining baseline fan power allowance between supply and return/relief.
>
>
>
> ______________
>
> Demba NDIAYE
>
>
>
> *From:* Vinay Devanathan [mailto:vinay.devanathan at gmail.com]
> *Sent:* Thursday, July 08, 2010 5:29 PM
> *To:* Sami, Vikram
> *Cc:* Demba Ndiaye; bldg-sim at lists.onebuilding.org
>
> *Subject:* Re: [Bldg-sim] Exhaust Fans in Baseline
>
>
>
> Vikram,
>
> Thanks for your reply.
>
> So, does it mean I will have to model the exhaust fan in the baseline model
> but in a fashion such that it consumes power proportionate to your proposed
> design (supply, return and exhaust) but falls within the Allowable Fan
> System bhp value of Appendix G. Am I right?
>
> Thank you.
>
> Regards,
> Vinay
>
> On Thu, Jul 8, 2010 at 5:23 PM, Sami, Vikram <Vikram.Sami at perkinswill.com>
> wrote:
>
> I'm pretty sure that your fan power allowance in 90.1 is for all fan energy
> (including exhaust). So for example if your baseline fan allowance is 20kW
> (hypothetical), you will need to apportion that allowance between supply and
> exhaust similar to your designed building.
>
>
>
> There was an extensive discussion about this around a year ago on this list
> (check the archives).
>
>
>
> *Vikram Sami*, LEED AP
>
> Sustainable Design Analyst
>
> 1382 Peachtree St. NE, Atlanta, GA 30309
>
> t: 404-443-7462    f: 404.892.5823       e: vikram.sami at perkinswill.com
> www.perkinswill.com
>
> *Perkins+Will.*  Ideas + buildings that honor the broader goals of society
>
>
>
>
>
> *From:* bldg-sim-bounces at lists.onebuilding.org [mailto:
> bldg-sim-bounces at lists.onebuilding.org] *On Behalf Of *Vinay Devanathan
> *Sent:* Thursday, July 08, 2010 5:15 PM
> *To:* Demba Ndiaye
> *Cc:* bldg-sim at lists.onebuilding.org
> *Subject:* Re: [Bldg-sim] Exhaust Fans in Baseline
>
>
>
> Demba,
>
> Thanks for your quick reply.
>
> Regards,
> Vinay
>
> On Thu, Jul 8, 2010 at 5:13 PM, Demba Ndiaye <Demba.Ndiaye at setty.com>
> wrote:
>
> Vinay,
>
>
>
> It is required to also model the exhaust fans in the Baseline. Use same cfm
> and fan powers as in the Proposed.
>
>
>
> ______________
>
> Demba NDIAYE
>
>
>
> *From:* bldg-sim-bounces at lists.onebuilding.org [mailto:
> bldg-sim-bounces at lists.onebuilding.org] *On Behalf Of *Vinay Devanathan
> *Sent:* Thursday, July 08, 2010 5:09 PM
> *To:* bldg-sim at lists.onebuilding.org
> *Subject:* [Bldg-sim] Exhaust Fans in Baseline
>
>
>
> Hello All,
>
> Do we have to model the exhaust fans also according to Appendix G for a
> Baseline model?
> If yes, how should we design the cfm?
>
> Thank you very much.
>
> Regards,
> Vinay
>
>
>
>
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