[Equest-users] Warehouse configuration on Ashrae

[Karen Smith]

Hi Stormy. I tried that but it refers to smaller type of rooms, mine is a
truck maintenance warehouse, but I'll try your suggestions. If you have
other thoughts on this I would appreciate your ideas.

Thanks,

Karen

On Thu, Aug 30, 2012 at 4:13 PM, Stormy L. Shanks <shankssl at kjww.com> wrote:

>  Hi, Karen – You can follow addendum dn to ASHRAE 90.1 2007. You can find
> a PDF of it by googling “addendum dn”. It addresses this situation with the
> addition of HVAC baseline system types 10 and 11, which are for “heated
> only storage.” I’m still working on fully understanding the addendum myself
> for a similar building – a hangar with attached office/support. Prior to
> this addendum, you would have had to model the warehouse with cooling even
> though there isn’t any. The typical loophole was to set thermostat
> schedules with really high setpoints in cooling mode in the hopes of the
> cooling never turning on, which sort of worked, but the addendum should
> make it much more realistic. ****
>
> ** **
>
> Good luck!****
>
> ** **
>
> *Stormy Shanks, PE*****
>
> Mechanical Engineer ****
>
> www.kjww.com****
>
> ** **
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Karen Smith
> *Sent:* Thursday, August 30, 2012 2:51 PM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] Warehouse configuration on Ashrae****
>
> ** **
>
> Hi all,****
>
> ** **
>
> Im a bit confused with the classification of Ashrae 90.1 2007, Im
> currently modeling a facility of a total of 47,600 SF including a 28,000 SF
> Warehouse. The facility includes 2 levels of offices, breakrooms, etc and a
> double height warehouse adjacent to them. The proposed design is composed
> of   2 AHUs, one for the first floor, one for the second and a only heating
> and ventilation system based on 2 boilers for the warehouse. According to
> this, the baseline should be a System 5 Packaged VAV with Reheat, Packaged
> rooftop VAV with reheat, Direct expansion cooling type and  Hot-water
> fossil fuel boiler for heating. One system per floor, but my confusion is
> on the part of the warehouse. Should I model an additional Cool and Heat
> System for the warehouse even though in the proposed we have it as only
> heating and ventilation system? If so, does it have to be the same type of
> system specified (System 5) or can it be System 3 or 4 instead?****
>
>  ****
>
> Thanks.****
>
> ** **
>
> Karen Smith****
>
> Sustainable Solutions, Inc****
>
> (404) 784.7061****
>
>
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