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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>My analysis is that the standing seems needs to be nailed or
screwed to the deck every 18” up each seam. In addition the plywood deck needs
to be adequately secured to the rafters. Standard installation of a standing seam
metal roof is to nail it every 3 to 4’. Putting a big sail up there and connecting
it only to the standing seam means you are relying on the connection of the
standing seam to the deck and the deck to the rafters. <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 would dig a little deeper into your roof construction before
pushing forward.<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:#595959'>-Chris Anderson<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Calibri","sans-serif";
color:#595959'> Chief Technology Officer<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Calibri","sans-serif";
color:#595959'> Resources Group <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Calibri","sans-serif";
color:#595959'> C: 603-732-2411<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Calibri","sans-serif";
color:#595959'> Borrego Solar Systems<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"'> re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>Andrew
Truitt<br>
<b>Sent:</b> Tuesday, June 16, 2009 10:57 PM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> Re: [RE-wrenches] Metal roof support flashing<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
Has anyone ever heard of a standing seam roof actually being damaged or coming
loose from a PV array mounted with S-5! clips? We have just sold a few
jobs on 2:12, galvalume, s.s. roofs that are 20-30 years old and I just had a
structural P.E. look at them today and his feeling is that, even though he
can't tell how the frequent or stout the connections are, he thinks the S-5!
clips should be fine. He is going to run some calculations but thinks
that we should even be able to tilt the modules to 25 degrees. The basic
wind speed is 90 mph.<br>
<br>
Are worries about standing seam roof connections unfounded or is it time for me
to get a new P.E.?<br>
<br>
<br>
<br>
Andrew Truitt<br>
Standard Solar Inc.<br>
<br>
<br>
<br>
<br>
<o:p></o:p></p>
<div>
<p class=MsoNormal>On Mon, Jun 15, 2009 at 8:38 PM, William Miller <<a
href="mailto:william@millersolar.com">william@millersolar.com</a>> wrote:<o:p></o:p></p>
<div>
<p class=MsoNormal>Boots.<o:p></o:p></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<br>
<br>
At 05:14 PM 6/15/2009, you wrote:<br>
<br>
<o:p></o:p></p>
</div>
<div>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>What do you
do on metal roofs in these situations?</span><o:p></o:p></p>
</blockquote>
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<br>
-- <br>
"Don't get me wrong: I love nuclear energy! It's just that I prefer fusion
to fission. And it just so happens that there's an enormous fusion reactor
safely banked a few million miles from us. It delivers more than we could ever
use in just about 8 minutes. And it's wireless!"<br>
<br>
~William McDonough<o:p></o:p></p>
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