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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Hey all!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>I am proposing a [20] module, 35 tilt up array mounted on a flat roof in snow country - Central Idaho. Its in town, trees behind & off to the side a ways. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>The SnapnRack design calls for [21] Pieces of 1 x 21 sched 40 pipe +/-. I am trying to understand the need for sched 40 pipe on the vertical components of this array. Though if the horizontal members could be switched over to tube too that would be a big savings on weight. I hope to eliminate the sched 40 for steel tube [stronger metal thinner wall]. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Without reinventing the wheel, has anyone approached this issue & how did you address it?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Suggestions on beefy array systems that are lighter?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Spec.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>[20] – Q-cell 340 watt modules. 5 columns of 4 modules.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Snow-Load - 100 PSF.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Tilt - 35 – The back & sides will be shrouded up to module on vertical members to prevent wind uplift.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Wind - 90 MPH/3 sec microburst [though IF, this ever happened there would be trees & garbage cans flying.]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Sched 40 -1 pipe is 2.72#/ft.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>1 7/8 steel tube is 1.25#/ft.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Maybe we all use schedule 40 pipe because thats what we have always done & locally available. Isnt thats what called recycled ignorance? Looking for options. In todays world marketplace I am questioning this approach.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Thanks in advance.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'><o:p> </o:p></span></p><div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.5pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='border:none;padding:0in'><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'><o:p> </o:p></span></p></div><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:14.0pt;font-family:"Century Gothic",sans-serif'>Dana Orzel Great Solar Works, Inc. <o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>C - 208.721.7003 dana@solarwork.com<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>Idaho Contractor - # 028765 Idaho PV # 028374<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>NABCEP # 051112-136 <a href="http://www.greatsolarworks.com">www.greatsolarworks.com</a><o:p></o:p></span></p><p class=MsoNormal><u><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'>"Responsible Technologies for Responsible People since 1988" </span></u><u><span style='font-size:14.0pt;font-family:"Century Gothic",sans-serif'><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><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>