[Equest-users] Equest-users Digest, Vol 17, Issue 40

[Robert Yoakum]

You can tell by clicking the building shell tab then the 3-D Geometry
Sub-tab while in the Detail Interface. Then hold the Control and right click
moving the mouse toward you until you zoom inside the building. Even if you
set up the wizard with 3 DWG floorplans and designated this zone as a 2+
space you still may see floors in your model of the atrium. You have to tell
E-quest that this zone is a direct return and no  a plenum! We had to settle
for this as we couldn't get them to go away and the numbers for electrical
lighting made sense. Since you are looking at HVAC calcs your answer may not
make sense. Changing the ceiling height in the detailed interface speed
sheet should force it to read correctly although I have doubts as to the
programs ability to let air mix into adjacent spaces from the numerous
openings to the atrium space thru wide open doors and over railing
partitions. Anyone else have any trick up there sleeve?   ?   ? Lars, can
you also explain you interpolating process for  your slanted roof.

Robert Yoakum, LEED® AP
Designer
Larsen Engineering, Inc.
4662 Larwell Drive
Columbus, Ohio 43220

614-459-4002 (voice)
614-459-3124 (fax)
ryoakum at larseneng.com (e-mail)

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On Fri, Aug 28, 2009 at 3:02 PM, <equest-users-request at lists.onebuilding.org
> wrote:

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> Today's Topics:
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>   1. Space volume affecting load calcs (Lars Fetzek)
>
>
> ---------- Forwarded message ----------
> From: "Lars Fetzek" <lfetzek at phoenixeng.us>
> To: <equest-users at lists.onebuilding.org>
> Date: Fri, 28 Aug 2009 14:39:24 -0400
> Subject: [Equest-users] Space volume affecting load calcs
>  eQuesters,
>
>     I have a 3-story atrium that is shaped differently on each of the three
> stories.  Accordingly, I have provided the 3-bazillion polygons necessary to
> denote the various interior and exterior wall and floor segments that form
> the envelope of this atrium.  So as to conform to eQuest's required input
> data structure, I defined the atrium, itself, as belonging only to the 1st
> floor.  Accordingly, I will define the space height as the sum of the three
> stories heights (interpolating for the slanted roof atop the 3rd story).
> When the HVAC load calcs are performed by eQuest, will they correctly
> reflect the actual volume of the irregular geometry that I constructed or
> will it simplistically multiply the stated space height by the area of the
> polygon defining the bottom of this space?
>     Thanks, anyone, in advance, for your helpful answer/insight.
>
> Lars Fetzek, EI
> Phoenix Engineering Group
> Tampa, Florida
>
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