<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Mac,<div class=""><br class=""></div><div class="">You can check out the unirac GFT which has a engineered ballast in their approved mounting designs. </div><div class=""><br class=""></div><div class="">jay</div><div class=""><br class=""></div><div class="">peltz power<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Dec 29, 2021, at 9:05 AM, Mac Lewis <<a href="mailto:maclewis1@gmail.com" class="">maclewis1@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Thanks Dana,<div class=""><br class=""></div><div class="">Normally I do a piered system for these, but I've got a project with a ground source heat pump loop at unknown depth under the array field. I'm trying to avoid a puncture.</div><div class=""><br class=""></div><div class="">Thanks!</div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Dec 29, 2021 at 8:58 AM Dana Orzel <<a href="mailto:dana@solarwork.com" class="">dana@solarwork.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US" style="overflow-wrap: break-word;" class=""><div class="gmail-m_7567602355377896582WordSection1"><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class="">I have used Snapn\u2019Rack\u2019s system with grade beams. It uses a sched 40 - 1½\u201d iron/galv pipe to achieve 90 MPH 3 sec micro burst rating for uplift. Please verify if this is still available from SnR. I am pretty sure that we needed 18# of concrete/sqft of PV module. I would have your structural engineer verify this or whatever your local code calls for.<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class="">It\u2019s a good system as long as you do not have frost heaving of the ground. I am not sure that I would do this in snow country unless your engineer could guaranty that there is a way to eliminate the frost heave. <u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class="">And if you are going to have to do that much ground prep why not use a pier or footing system?<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class=""><u class=""></u> <u class=""></u></span></p><div style="border-top:none;border-right:none;border-left:none;border-bottom:1.5pt solid windowtext;padding:0in 0in 1pt" class=""><p class="MsoNormal" style="border:none;padding:0in"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class=""><u class=""></u> <u class=""></u></span></p></div><p class="MsoNormal"><span style="font-family:"Century Gothic",sans-serif;color:rgb(0,32,96)" class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class="">Dana Orzel Great Solar Works, Inc. <u class=""></u><u class=""></u></span></p><p class="MsoNormal"><b class=""><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class="">C - 208.721.7003 <a href="mailto:dana@solarwork.com" target="_blank" class="">dana@solarwork.com</a><u class=""></u><u class=""></u></span></b></p><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class="">Idaho Contractor - # 028765 Idaho PV # 028374<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class="">NABCEP # 051112-136 <a href="http://www.greatsolarworks.com/" target="_blank" class="">www.greatsolarworks.com</a><u class=""></u><u class=""></u></span></p><p class="MsoNormal"><u class=""><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class="">"Responsible Technologies for Responsible People since 1988" </span></u><u class=""><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class=""><u class=""></u><u class=""></u></span></u></p><p class="MsoNormal" style="background:white"><b class=""><span style="font-size:18pt;font-family:Webdings;color:green" class="">P</span></b><span style="font-family:Helvetica,sans-serif;color:navy" class=""> </span><span style="font-size:10pt;font-family:Arial,sans-serif;color:green" class="">Please consider the environment before printing this email.</span><span style="font-family: Helvetica, sans-serif;" class=""><u class=""></u><u class=""></u></span></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif" class=""><u class=""></u> <u class=""></u></span></p><div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in" class=""><p class="MsoNormal"><b class="">From:</b> RE-wrenches <<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank" class="">re-wrenches-bounces@lists.re-wrenches.org</a>> <b class="">On Behalf Of </b>Mac Lewis<br class=""><b class="">Sent:</b> Tuesday, December 28, 2021 4:31 PM<br class=""><b class="">To:</b> RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank" class="">re-wrenches@lists.re-wrenches.org</a>><br class=""><b class="">Subject:</b> [RE-wrenches] ballasted ground mounts residential scale<u class=""></u><u class=""></u></p></div><p class="MsoNormal"><u class=""></u> <u class=""></u></p><div class=""><p class="MsoNormal">Hello Wrenches,<u class=""></u><u class=""></u></p><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><div class=""><p class="MsoNormal">Can anyone recommend a ballasted ground mount solution that is offered on a residential scale? Below 10kW typically.<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><div class=""><p class="MsoNormal">Thanks in advance!<br clear="all" class=""><u class=""></u><u class=""></u></p><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><p class="MsoNormal">-- <u class=""></u><u class=""></u></p><div class=""><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><p class="MsoNormal" style="margin-bottom:12pt">Mac Lewis<b class=""><span style="font-size:12pt;font-family:Arial,sans-serif;color:rgb(255,153,0)" class=""><u class=""></u><u class=""></u></span></b></p><p class=""><span style="font-size:12pt;font-family:"Times New Roman",serif;color:rgb(48,90,120)" class="">"Yo solo sé que no sé nada." </span><b class=""><span style="font-size:12pt;font-family:"Times New Roman",serif;color:rgb(104,104,104)" class="">-Sócrates</span></b><b class=""><span style="font-size:12pt;font-family:Arial,sans-serif;color:rgb(255,153,0)" class=""><u class=""></u><u class=""></u></span></b></p></div></div></div></div></div>_______________________________________________<br class="">
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</blockquote></div><br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div dir="ltr" class="gmail_signature"><div class=""><br class=""></div><div class=""><font color="#305A78" face="'times new roman', serif" class=""><br class=""></font></div><div class=""><br class=""></div>Mac Lewis<br class=""><br class=""><span style="font-family: "Times New Roman"; font-size: inherit; color: rgb(255, 153, 0);" class=""><b class=""><font face="Arial, Helvetica, sans-serif" size="3" class=""><p align="left" class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""><span style="font-size:small" class=""><span style="font-family:arial;font-weight:normal;color:rgb(48,90,120)" class=""><font face="'times new roman', serif" class="">"Yo solo sé que no sé nada." </font><span style="font-weight:700;color:rgb(104,104,104)" class=""><font face="'times new roman', serif" class="">-Sócrates</font></span></span></span></font></p></font></b></span></div>
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