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<p>Benn, August, etc</p>
<p> Sorry for omitting a somewhat crucial detail....below
these stringers it is a "standard" residential stacked roof with
2X6 rafters on 16" centers with 1/2 " plywood deck. No purlins. I
appreciate the feedback/good ideas.</p>
<p>Bill</p>
<p>Feather River Solar Electric</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 4/29/2016 3:28 PM, August Goers
wrote:<br>
</div>
<blockquote
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Benn,</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">We’ve
done it several ways including putting four 14 x 1.5” TYPE
17 screws per attachment point through the metal and into
the 1” x wood purlin. The key is that the load path all the
way down needs to be capable of handling the worst case
loads. So we had to check that too. Some racking
manufactures such as Unirac have online calculators to give
point loads. </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Best,
August</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </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";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
RE-wrenches [mailto:<a moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf Of </b>Benn Kilburn<br>
<b>Sent:</b> Friday, April 29, 2016 2:17 PM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> Re: [RE-wrenches] Goofy roofing</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<div>
<p class="MsoNormal">August, et al;</p>
</div>
<div>
<p class="MsoNormal">If the purlins are only 1"x4" or 1"x6"
or....1"x anything, are you only relying on the 1" purlin as
the attachment point or are you hitting the vertical trusses
below the purlins?</p>
</div>
<div>
<p class="MsoNormal"> </p>
</div>
<div>
<p class="MsoNormal">We are working on a corrugated roof right
now and using a Schletter roof bracket. The name of it
escapes me at the moment. Maybe FixT? </p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt">We are
attaching to purlins which are 2"x6". I wouldn't think 1"x
anything would provide enough pull-out?</p>
<div>
<p class="MsoNormal">Benn Kilburn</p>
</div>
<div>
<p class="MsoNormal">SkyFire Energy Inc. </p>
</div>
<div>
<p class="MsoNormal">780-906-7807</p>
</div>
<div>
<p class="MsoNormal"> </p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
On Apr 29, 2016, at 9:09 AM, August Goers <<a
moz-do-not-send="true" href="mailto:august@luminalt.com"><a class="moz-txt-link-abbreviated" href="mailto:august@luminalt.com">august@luminalt.com</a></a>>
wrote:</p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hi
Bill,</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">It
sounds like you’re talking about a purlin type setup –
4’ sounds a little far apart but I guess that’s what you
have to deal with. If you have a corrugated metal roof,
we’ve used S-5 CurruBrackets screwed through the metal
and into the purlins and then either run the solar rail
up and down the roof or install a sub-rack system (with
strut or angle aluminum) perpendicular to your solar
rail. </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Best,</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">August
</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </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";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
RE-wrenches [mailto:<a moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf Of </b>frenergy<br>
<b>Sent:</b> Friday, April 29, 2016 6:55 AM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> [RE-wrenches] Goofy roofing</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<p>Recently, a customer had a metal roof (not standing seam)
installed by a "handyman". Pretty clean installation
however for some reason he ran 1X6 stringers across the
roof on the 1/2" plywood deck spaced about every 4 feet
(as you go from ridge to eaves). Of course the roofing
screws are at the stringers. I'm sure he had a <i>great</i>
reason for doing so. So now I have been asked to install
an array on this roof. You can feel how "soft" the roof
is as you walk on it of course because you are walking on
air-below-metal for most of the roof. Stringer locations
don't jive with possible feet/post locations for rail.
I'm usually pretty good at problem solving but I'm
accepting ideas.</p>
<p>Bill</p>
<pre>Feather River Solar Electric </pre>
<pre>Bill Battagin, Owner</pre>
<pre>4291 Nelson St.</pre>
<pre>Taylorsville, CA 95983</pre>
<pre>530.284.7849</pre>
<pre>CA Lic 874049</pre>
<pre><a moz-do-not-send="true" href="http://www.frenergy.net">www.frenergy.net</a></pre>
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<pre class="moz-signature" cols="72">--
Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
<a class="moz-txt-link-abbreviated" href="http://www.frenergy.net">www.frenergy.net</a></pre>
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