<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="">I used potato sacks and weighed them. Took 3 full days with a crew of 5 to bag enough rock for the job. It would have taken at least that to clear the roof of the required river rock and then bring up concrete blocks so for that job I think it was a good tradeoff.<div class=""><br class=""></div><div class="">Solar Dock is still in biz. They have an active twitter site but I guess they let their web site die. <a href="https://twitter.com/solardock" class="">https://twitter.com/solardock</a></div><div class=""><br class=""></div><div class=""><br class=""><div class="">
<div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class=""><i class=""><span style="font-size: 10.5pt;" class="">Al Frishman</span></i><span style="font-size: 13.5pt;" class=""><br class=""></span><span style="font-size: 13.5pt; color: rgb(3, 1, 0);" class="">Evolved</span><span style="font-size: 13.5pt; color: rgb(255, 151, 0);" class="">Solar</span><o:p class=""></o:p></div>(917) 699-6641<br class="">
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<div><br class=""><blockquote type="cite" class=""><div class="">On Oct 16, 2019, at 3:48 PM, Glenn Burt <<a href="mailto:glenn.burt@glbcc.com" class="">glenn.burt@glbcc.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I am surprised you can meet the required ballast needs for uplift consistently with the vagaries of simple rock, unless you are performing packaging and weighing of all replaced ballast.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I also see that none of the SolarDock web links work \u2013 are they still in business?<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">-Glenn<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div class=""><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(225, 225, 225); padding: 3pt 0in 0in;" class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class="">From:</b><span class="Apple-converted-space"> </span>RE-wrenches <<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" style="color: purple; text-decoration: underline;" class="">re-wrenches-bounces@lists.re-wrenches.org</a>><span class="Apple-converted-space"> </span><b class="">On Behalf Of<span class="Apple-converted-space"> </span></b>Al Frishman<br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>Wednesday, October 16, 2019 12:42 PM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span><a href="mailto:re-wrenches@lists.re-wrenches.org" style="color: purple; text-decoration: underline;" class="">re-wrenches@lists.re-wrenches.org</a><br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>[RE-wrenches] Use roof rock as Ballast for Solar Racking<o:p class=""></o:p></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Hey Wrenchers,<o:p class=""></o:p></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I\u2019m working on a ballast racking project that has a ballasted roof (river rocks on the roof). The roof can not support the addition of cement blocks so I am planning to use the river rocks that are already on the roof as the solar ballast. I have done this before using the SolarDock racking system as it fully encloses the ballast in a tray which keeps the rocks in place. <o:p class=""></o:p></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">On the project I did about 6 yrs ago I hired a bunch of laborers to manually bag the rocks and it was quite labor intensive. Has anyone done this using some kind of vacuum system? I am hoping there is a better way. <o:p class=""></o:p></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Also - Any other racking suggestions other than SolarDock for this application? <o:p class=""></o:p></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I appreciate the feedback!<o:p class=""></o:p></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div class=""><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><i class=""><span style="font-size: 10.5pt; font-family: "Times New Roman", serif;" class="">Al Frishman</span></i><span style="font-size: 13.5pt; font-family: "Times New Roman", serif;" class=""><br class=""><span style="color: rgb(3, 1, 0);" class="">Evolved</span><span style="color: rgb(255, 151, 0);" class="">Solar</span></span><span style="font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""></o:p></span></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">(917) 699-6641<o:p class=""></o:p></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; 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