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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I have never used the specify resistance option in creating a
custom construction. I have always input the actual building materials used
(either in the main menu if they are available, or in the layer by layer
construction if I need to add air gaps and things of that nature). Im not
sure why you are inputting a specific value but I played with it for a minute
to see what was going on and I got the same error. If you go under layer
by layer construction in the wizard and pick new construction you need to put
atleast one building material to get rid of the error. For example I
picked library entry from the first drop down menu for the first layer
and then chose brick, brick common 4 inch. This gives an R-value of
0.8. (you can see the cumalitive r-value in the bottom left hand corner
as you create your construction.) Then for the second layer I chose specify
resistance and input an r-value of 18.2. This gives the specific
r-value of 19 your looking for as well as gets rid of your error. I think
the program is looking for some type of physical building material and that is
why its giving the error. You could maybe even try adding another layer
of gypsum board or something (whatever your assuming your actual interior
building material is) and then changing your specified resistance on the middle
layer once again to give you exactly 19. I believe the program also needs
that outer layer to calculate solar absorbance. After using this method I
went to detail mode to check the u-value and it showed the construction I made
as having a u-value of 0.053 which is rounded off and coinsides with an r-value
of 19. And most importantly it gets rid of your error. Make sure
when specifying your layers you pick vertical exterior wall from the upper
right drop down menu or else it will re-calculate your r-value when running or
coming out of the wizard to match the construction location type.<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'>Im not sure what EEMS are but if your talking about the layers
in the custom layer by layer construction menu its because you haven’t
chosen a category for the first construction to allow you to create the next.
(either library entry or specify resistance)<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'>I hope this helps.<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>Supriya
Goel<br>
<b>Sent:</b> Wednesday, February 03, 2010 5:19 PM<br>
<b>To:</b> Skelton, Paul; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] ASHRAE Baseline Wall/Window/Roof
Constructions<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;
margin-left:4.8pt;margin-right:0in'>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Hi Paul<o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<div>
<p class=MsoNormal>I can't answer all your questions but to answer a few-<o:p></o:p></p>
</div>
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<p class=MsoNormal><o:p> </o:p></p>
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<div>
<p class=MsoNormal>2. Maybe you can't improve the U value, but can define a
completely new construction through the parametric runs. For that, in the
Detail Edit Mode, Tools-Parametric Runs window, you can create a new run with
the component type -Construction.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal>3. Yes you can determine the U value of all constructions.
Again in the Detail Edit Mode, open the properties box of the
specific construction, it has a tab which mentions the Calculated U Value.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>Hope this helps :)<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>Regards<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>Supriya<o:p></o:p></p>
<div>
<div>
<div>
<p class=MsoNormal>On Wed, Feb 3, 2010 at 1:41 PM, Skelton, Paul <<a
href="mailto:pskelton@ids-troy.com" target="_blank">pskelton@ids-troy.com</a>>
wrote:<o:p></o:p></p>
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</div>
<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;
margin-left:4.8pt;margin-right:0in'>
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<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Fellow
eQuest users,<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I
am brand new to equest and I am attempting to model a baseline ASHRAE building
per the 2004 90.1 standard and am curious if there is any specific wall, roof
or window constructions that other users are entering as their baseline
constructions. I have noticed several things:<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>1.
Simply entering a resistance (such as an R-value of 11.9) I get a “WALL
has no heat capacity. U-VALUE used” error (see attached)<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>2.
Defining a layer-by-layer construction does not allow any improvement through
EEMs. In other words the options to increase the amount of insulation are
grayed out.<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>3.
It is impossible to determine the actual total U-value of one of the
“cookie-cutter” constructions provided by eQuest.<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>As
a side note, I’d be curious to know what computer specs others have to
run eQuest, as I have developed a model with over 3,000 components and it takes
about 6 minutes just to open the file on a computer with the following
specifications:<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p><span style='font-family:Symbol'>·</span><span style='font-size:7.0pt'>
</span>Intel Pentium D 2.99 GHz<o:p></o:p></p>
<p><span style='font-family:Symbol'>·</span><span style='font-size:7.0pt'>
</span>1 GB RAM<o:p></o:p></p>
<p><span style='font-family:Symbol'>·</span><span style='font-size:7.0pt'>
</span>ATI Radeon X600 – Video card<o:p></o:p></p>
<p><span style='font-family:Symbol'>·</span><span style='font-size:7.0pt'>
</span>29 GB HDD<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The
specs on this computer are terrible in my eyes, and it really shows when I try
to run eQuest but I’d like to see what other PCs run this program
effectively.<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks,<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt;font-family:"Book Antiqua","serif";color:black'>Paul
Skelton</span></b><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:
12.0pt;margin-left:0in'><b><span style='font-size:10.0pt;font-family:"Book Antiqua","serif";
color:black'>Integrated </span></b><b><span style='font-size:10.0pt;font-family:
"Book Antiqua","serif";color:#A6A6A6'>Design Solutions<br>
</span></b><span style='font-size:9.0pt;color:black'>Architecture, Engineering,
Interiors & Technology<br>
</span><span style='font-size:10.0pt;color:black'>888 West Big Beaver, Suite
200<br>
Troy, Michigan 48084<br>
tel: 248.823.2171<br>
fax: 248.823.2200<br>
</span><span style='font-size:10.0pt;color:#0073AE'><a
href="http://www.ids-troy.com/" target="_blank"><span style='color:#0073AE'>www.ids-troy.com</span></a></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='color:#0073AE'>Celebrating </span><span style='color:#A6A6A6'>10 Years</span><span
style='color:#0073AE'>. Expect the Exceptional. </span></b><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br>
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To unsubscribe from this mailing list send a blank message to <a
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</div>
</blockquote>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<br clear=all>
<br>
-- <br>
Graduate Student, MSBE<br>
School of Architecture and Landscape Architecture<br>
Arizona State University, Tempe<br>
<br>
<br>
<o:p></o:p></p>
</div>
</blockquote>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<br clear=all>
<br>
-- <br>
Graduate Student, MSBE<br>
School of Architecture and Landscape Architecture<br>
Arizona State University, Tempe<br>
<br>
<br>
<o:p></o:p></p>
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