[RE-wrenches] Tying a ground mount to sandstone slab

[John Berdner]

I have used Wedgebolts to attached to natural surfaces in the past.
Better than expanding lags/wedges because they don't "split out" in softer materials.
I would use the Red Brick values as a start and contact the manufacturer for guideance.

http://www.powers.com/pdfs/mechanical/07246OTSS.pdf or similar.

Best Regards,

John Berdner
General Manager, North America

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3347 Gateway Boulevard, Fremont CA 94538 USA  (*Please note of our new address.)
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From: re-wrenches-bounces at lists.re-wrenches.org [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Mac Lewis
Sent: Sunday, December 23, 2012 9:03 AM
To: RE-wrenches
Subject: [RE-wrenches] Tying a ground mount to sandstone slab

Hi Wrenches,

I am working on a project right now where we need to figure out how to put an 8kW ground mount on a property that is covered with a sandstone slab.  Does anyone have any advice on how to do this?  My preliminary idea is to drill down about 12" and epoxy rebar into the sandstone, and pour a square pier about 2'x2'x2' on top that holds the upright support in place.  Any thoughts or comments about this or ideas about other ways to approach this are appreciated.

Thanks in advance



--



Mac Lewis

"Yo solo sé que no sé nada." -Sócrates
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