01-27-2010, 07:53 AM
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CC Member
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Join Date: Apr 2009
Location: Bethesda,
MD
Cobra Make, Engine: CSX 6022, navy blue, period correct 427 SO
Posts: 2,154
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Quote:
Originally Posted by Ron61
That was what they told me to do and to put a layer of gravel under the concrete, so I dug down 7". Not sure why the layer of gravel. I had to dig about a 30' trench for my wiring conduit.
Ron
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Isn't the layer of gravel because it won't compact as much as dirt or something else plus should help with drainage?
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