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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi Vaughn,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span
style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>You can define 3 separate shells easily in the DD wizards.
Start by finding/making a Cad file containing each shell footprint in geometric
relation to each other, finish out your first shell (geometries, scheduling,
constructions, LPD, etc) as you normally would, then start another by copying
the first and reference the same file when tracing out new shells. This
will have the advantage of creating additional exterior walls where you need
them (stairwell), but you should probably include the boiler rooms in the shell
they’re attached to as unconditioned spaces, to get those losses correctly
modeled.<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span
style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>You may want to define the exterior stairwells as a series of
building shades (just the landings would be fine) in detailed mode after the
wizards. This will mitigate solar loads such exterior walls would not
actually see. This may also cover the “gaps” between the shells if you
are concerned aesthetically about “one roof.” <o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span
style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The advice I generally follow regarding custom/tilted roofs is
that it’s usually not worth the effort – flat roofs can often approximate
thermal interactions to a plenum space quite well enough. That said, if
your heart is set on custom tilted roof shapes – you’re going to need to
resolve to spend some time after the wizards crunching numbers in detailed edit
mode to modify the vectors of the wizard-generated polygons. I’d
recommend searching the archives for more procedural info or starting a
separate query if you get hung up in this. <o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span
style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Your concern that the roof shape will affect the (exterior?)
stairwells’ behavior gives me pause however… not sure what you mean
there. Defining 3 separate, non-touching shells will account for the
additional exterior walls you’d want to model if that’s what you mean…<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Someone wise once told me that “accuracy” is not nearly as
important as understanding “accurate enough.” <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>~Nick<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><img width=119 height=37 id="Picture_x0020_1"
src="cid:image001.jpg@01CB4F36.A2D77A90" alt="cid:489575314@22072009-0ABB"></span><b><span
style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Calibri","sans-serif";
color:#CC9900'>PROJECT ENGINEER</span><span style='font-size:7.5pt;color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>25501 west valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>direct 913 344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>fax 913 345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>Check out our new web-site @ </span></i><span style='font-size:
11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue'> </span></u><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Synergy
Team<br>
<b>Sent:</b> Tuesday, September 07, 2010 10:22 AM<br>
<b>To:</b> eQUEST-users@onebuilding.org<br>
<b>Subject:</b> [Equest-users] HELP - Drawing accurate building footprint and
generating correct roof type<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Greetings All,<br>
<br>
I am attempting to model a two-story multi-family structure with 16 apartment
units, 8 per floor. The building is symmetrical with 8 units in the middle
section (4 units per floor) and 4 units (2 units per floor) on either side.
Despite being one structure, the plans indicate that it is actually divided
into 3 separate Thermal Shells because there is a stairwell and an
unconditioned boiler room in between each of the three "volumes".
Thus far, I have only been able to model buildings in eQUEST as one box or
volume. I would like to be able to model this structure accurately (as three
separate thermal shells under one roof). Does anyone know how to do this? Also,
I continue to have problems generating the roofs accurately. I will draw a
box-like building footprint and when the roof generates in equest, It is often
times pitched in the wrong direction or does not have the correct relationships
between roof elements. Can anyone help me use the custom roof footprint option?
I have "fudged" some eQUEST models in the past where I thought it
would not effect the accuracy of the model much, however, I am hesitant to
fudge this model as such being that there are four long walls in this building
that will losing considerable heat to the exterior stairwells and unconditoned
boiler rooms (in between the volumes). Any suggestions would be greatly
appreciated. Thanks.<br>
<br>
Regards,<br>
<br>
Vaughn Slovak<br>
Architectural Designer<br>
Synergy Design<br>
p.845.255.1733<br>
f.845.255.1694 <o:p></o:p></p>
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