<div>If you are in a snow area you will need to get it up high enough to shed the snow, but have had customers use a rgm rack and connect the legs together with steel connectors and pile rocks on them for ballast. </div>
<div>Been there for 5 years or better with no problems. Sounds like a simular situation.</div>
<div></div>
<div>Bob<br><br></div>
<div class="gmail_quote">On Wed, Jul 8, 2009 at 3:33 PM, <span dir="ltr"><<a href="mailto:holtek@sbcglobal.net">holtek@sbcglobal.net</a>></span> wrote:<br>
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<div>Situation:</div>
<div>ROCK - limestone ledge on cliff. Surface is relatively smooth with little to no grade in a 30' x 30' area. Basically a largeslab of limestone about 4' thick.</div>
<div>Question:</div>
<div>Anyone haveexperience with some type of ballasted mount system for either fixed or tracked array in this type of environment?Boring holeswill be very expensive. I've seen the precast bellshaped ballasting on commercial projects, wondering if there is a way to do that on residential size array of 5 to 10kw.</div>
<div>Thanks in advance.</div>
<div></div>
<div>Holt E. Kelly<br>Holtek Fireplace & Solar Products<br>500 Jewell Dr.<br>Waco TX. 76712<br>254-751-9111<br><a href="http://www.holteksolar.com/" target="_blank">www.holteksolar.com</a><br></div>
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