<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:12pt">I like to bolt through the structural member, but have used toggles in some applications. Of course, you need to download the structural specifications and confirm that the toggles are robust enough for the application.<br><div> </div>Nick Soleil<br>Project Manager<br>Advanced Alternative Energy Solutions, LLC<br>PO Box 657<br>Petaluma, CA 94953<br>Cell: 707-321-2937<br>Office: 707-789-9537<br>Fax: 707-769-9037<div><br></div><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt;"><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font face="Tahoma" size="2"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Jason Szumlanski <Jason@fafcosolar.com><br><b><span style="font-weight: bold;">To:</span></b> RE-wrenches
<re-wrenches@lists.re-wrenches.org><br><b><span style="font-weight: bold;">Sent:</span></b> Wed, December 22, 2010 11:25:08 AM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [RE-wrenches] PV On Corrugated Metal Roof on Steel Building<br></font><br>
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--></style><div class="WordSection1"><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);">That’s a good point about the scaffolding. I was thinking about a SnapNRack corrugated bracket bolted through the purlins. 5/16 Tek screws to fit the bracket may be the way to go – I’ll get the engineer to look at it.</span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);">I’m hoping to minimize penetrations, yet meet the 130 mph wind speed. Based on the pictures I was provided, it looks like the roof will handle the load… we’ll see.</span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><p
class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);">Thanks for the tip.</span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><div><p class="MsoNormal"><span style="font-family: "serif"; color: rgb(31, 73, 125);">Jason Szumlanski</span></p><p class="MsoNormal"><span style="font-family: "serif"; color: rgb(31, 73, 125);">Fafco Solar</span></p></div><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><div><div style="border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(181, 196, 223) -moz-use-text-color -moz-use-text-color; padding: 3pt 0in 0in;"><p class="MsoNormal"><b><span style="font-size: 10pt; font-family: "sans-serif"; color: windowtext;">From:</span></b><span
style="font-size: 10pt; font-family: "sans-serif"; color: windowtext;"> re-wrenches-bounces@lists.re-wrenches.org [mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>Allan Sindelar<br><b>Sent:</b> Wednesday, December 22, 2010 12:47 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] PV On Corrugated Metal Roof on Steel Building</span></p></div></div><p class="MsoNormal"> </p><p class="MsoNormal" style="margin-bottom: 12pt;">Jason,<br>We have installed to similar buildings using #14 tek screws. If you look into their rated pullout strength, you'll find that the large gauges have surprising pullout resistance in purlins. And no interior scaffolding is required.<br>Allan</p><div><p class="MsoNormal"><span class="il"><b>Allan</b></span><b> Sindelar</b><span style="font-size: 10pt;"><br><a rel="nofollow" ymailto="mailto:Allan@positiveenergysolar.com" target="_blank"
href="mailto:Allan@positiveenergysolar.com"><span class="il">Allan</span>@positiveenergysolar.com</a><br>NABCEP Certified Photovoltaic Installer<br>EE98J Journeyman Electrician<br><b>Positive Energy, Inc.</b><br>3201 Calle Marie<br>Santa Fe, New Mexico 87507<br><b>505 424-1112</b><br><a rel="nofollow" target="_blank" href="http://www.positiveenergysolar.com/">www.positiveenergysolar.com</a></span></p></div><p class="MsoNormal"><br>On 12/22/2010 10:01 AM, Jason Szumlanski wrote: </p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif";">We are working on a contract to put PV on a steel building with a corrugated metal roof. The corrugated metal is not a problem – we have solutions for that. I am wondering about how to best attach to the structural members.</span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif";"> </span></p><p class="MsoNormal"><span style="font-size:
11pt; font-family: "sans-serif";"><span>For an idea of what we are up against, see: <a target="_blank" href="http://www.fafcosolar.com/download/349/IMG_0828.JPG">http://www.fafcosolar.com/download/349/IMG_0828.JPG</a></span></span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif";"> </span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif";">Any suggestions for attachment methods?</span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif";"> </span></p><div><p class="MsoNormal"><span style="font-family: "serif";">Jason Szumlanski</span></p><p class="MsoNormal"><span style="font-family: "serif";">Fafco Solar</span></p></div><div><p style="margin-bottom: 12pt;"> </p></div><pre> </pre><pre> </pre><pre>_______________________________________________</pre><pre>List sponsored by Home
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