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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif;color:black'>The last time I looked at an engineered ballasted on the ground type of mount:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif;color:black'>90 MPH micro burst/120 MPH winds came in at 18 # of ballast per sqft of module on a 38 deg rack with the leading edge at 3\u2019 AFG. This was simple on flat ground. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif;color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif;color:black'>Back to the rock situation:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif;color:black'>I would suspect drilling rebar at opposing angles and creating a concrete pad with a rebar cage on a rock out-cropping would be a very stable platform depending on access to the location. I have hired a concrete pump trailer to overcome the 150\u2019 distance from truck access to the array location.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif;color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic",sans-serif;color:#002060'>----------------------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic",sans-serif;color:black'>Dana Orzel Great Solar Works, Inc.</span><span style='font-size:9.0pt;font-family:"Century Gothic",sans-serif;color:black'> </span><span style='font-size:10.0pt;font-family:"Century Gothic",sans-serif;color:black'><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Century Gothic",sans-serif;color:black'>C - 208.721.7003 dana@solarwork.com<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Century Gothic",sans-serif;color:black'>Idaho Contractor - # 028765 Idaho PV # 028374<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Century Gothic",sans-serif;color:black'>NABCEP # 051112-136 <a href="http://www.solarwork.biz"><span style='color:blue'>www.solarwork.biz</span></a><o:p></o:p></span></p><p class=MsoNormal><u><span style='font-size:9.0pt;font-family:"Century Gothic",sans-serif;color:black'>"Responsible Technologies for Responsible People since 1988" </span></u><u><span style='font-size:9.0pt;font-family:"Century Gothic",sans-serif;color:black'><o:p></o:p></span></u></p><p class=MsoNormal style='background:white'><b><span style='font-size:18.0pt;font-family:Webdings;color:green'>P</span></b><span style='font-family:"Helvetica",sans-serif;color:navy'> </span><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:green'>Please consider the environment before printing this email.</span><span style='font-family:"Helvetica",sans-serif;color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif;color:black'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:.5in'><b>From:</b> RE-wrenches <re-wrenches-bounces@lists.re-wrenches.org> <b>On Behalf Of </b>David Katz<br><b>Sent:</b> Saturday, April 14, 2018 9:26 AM<br><b>To:</b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br><b>Subject:</b> Re: [RE-wrenches] Mounting on rock<o:p></o:p></p><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'>Aaron,<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'>I have seen large pole mounts in Portugal in an above ground ring of concrete 3 feet high and 6 feet in diameter. I would get an engineers opinion on the size but that would be easier than digging a hole in rock. <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'>David Katz<o:p></o:p></p></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'>On Thu, Apr 12, 2018 at 6:27 AM Aaron Mandelkorn <<a href="mailto:reosolar@gmail.com">reosolar@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal style='margin-left:.5in'>Hi all,<o:p></o:p></p><div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in'>I have a customer that requires a mounting option I have yet to encounter. His site sits on top of of a massive hill of granite. It is relatively flat. Are there any mounting options that could work here? We are only talking about (12) to (16) modules for an off grid array. Is there anything that can bolt to rock? I typically use dpw or Mt solar pole mounts but can't imagine how these options could work. Any thoughts? <o:p></o:p></p><div><p class=MsoNormal style='margin-left:.5in'>Aaron Mandelkorn<br>President / Founder<br>Renewable Energy Outfitters<br><a href="http://www.reosolar.com" target="_blank">www.reosolar.com</a><br>Off Grid Depot<br><a href="http://www.offgridnow.com" target="_blank">www.offgridnow.com</a><br>970-596-3744<br><br> <o:p></o:p></p></div></div></div><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in'>_______________________________________________<br>List sponsored by Redwood Alliance<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br><br>Change listserver email address & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html" target="_blank">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm" target="_blank">www.re-wrenches.org/etiquette.htm</a><br><br>Check out or update participant bios:<br><a href="http://www.members.re-wrenches.org" target="_blank">www.members.re-wrenches.org</a><o:p></o:p></p></blockquote></div></div><p class=MsoNormal style='margin-left:.5in'>-- <o:p></o:p></p><div><p class=MsoNormal style='margin-left:.5in'>David Katz Sent from Gmail Mobile<o:p></o:p></p></div></div></body></html>