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<p class=MsoNormal><span style='color:#1F497D'>Additional food-for-thought…<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Something to model which may
improve the modeled performance of this roof: You might want to create a
series of building shades immediately/shortly above and parallel to your roof
surface(s) to roughly match the coverage of the actual garden plants and assign
them a shade schedule (transmittance through the year) to match their foliage
patterns.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>If this garden provides shading in
the summer and allow direct sun loads in the winter, it may help your
heating/cooling loads in a good way both seasons.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>That said, coming up with a way
to account for the variable thermal properties of moist/dry soil as Dakota
brought up is something I’d be more concerned about. I’d like
to hear what others may have done to address that issue. A good place to
start might be to create your custom construction layers/materials based on “damp”
(not dry or saturated – a happy medium) soil conditions.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>~Nick<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='color:#1F497D'><img width=119 height=37
id="Picture_x0020_1" src="cid:image001.jpg@01CAE617.CF15F740"
alt="cid:489575314@22072009-0ABB"></span><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-size:12.0pt;
font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'>PROJECT ENGINEER</span><span
style='font-size:7.5pt;font-family:"Times New Roman","serif";color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>25501 west
valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>direct 913
344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>fax 913
345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;color:#2D4D5E'>Check out
our new web-site @ </span></i><span style='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;color:blue'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<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>Dakota
Kelley<br>
<b>Sent:</b> Tuesday, April 27, 2010 2:28 PM<br>
<b>To:</b> Stephen Sorensen; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Roof gardens<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div id=idOWAReplyText13713>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>There are a wide variety of construction types for green roofs, so
you'll have to create a custom construction (probably using custom materials)
for the roof as-designed. The problem is that the roof's thermal
properties are not constant; e.g. the soil/growing medium's conductivity
depends on moisture content, among other things. eQUEST does not handle
variable material properties, so you'll have to be comfortable with the
inaccuracy. Also, if the resulting construction is too thick, roughly
three feet or more, eQUEST will give you an error message. </span><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Dakota
Kelley</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Telios
MEP Engineers</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
</div>
<div>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p>
<div class=MsoNormal align=center style='text-align:center'><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><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"'> Stephen Sorensen
[mailto:ssorensen80@gmail.com]<br>
<b>Sent:</b> Tue 4/27/2010 1:44 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Roof gardens</span><span style='font-size:12.0pt;
font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal>Hi everyone,<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>Is anyone familiar with R-value calculations for a roof top
garden or how one would model this in e-quest.<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Copperplate Gothic Bold";
color:#948A54'>Stephen Sorensen</span></b><o:p></o:p></p>
<p class=MsoNormal><span style='font-family:"Copperplate Gothic Bold";
color:#632423'>Hansen Engineering</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-family:"Copperplate Gothic Bold";
color:#632423'>Friendsville, PA</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-family:"Copperplate Gothic Bold";
color:#632423'>P: 570-553-4284</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-family:"Copperplate Gothic Bold";
color:#632423'>F: 570-553-0234</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
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