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Underground Ideas
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07-04-2009, 10:47 AM
jrinlv
Marijuana Toker
Marijuana Toker
Join Date: Jun 2009
Posts: 136
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I would put steel I beams in the roof and then pour a reinforce slab on top of that. The fact that it's underground you never know what will have to drive over it. That would be an unpleasant surprise to fall into...JR
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