Thread: Concrete slabs and 2 post hoist
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Old 03-25-2016, 03:06 AM
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You can test concrete compressive strength with a Schmidt hammer fro a crude reading. Otherwise coring out samples is required.

I just looked at the manual and it only needs 100mm thick 20mPa. Your slab wouldn't be less than 20mPa. I'm surprised that's all it requires with a few anchor bolts drilled in.
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