Quote:
Originally Posted by Bernica
For my own peace of mind, I would be saw cutting the slab at the anchoring locations. Around 18-24" square and then digging a footing and installing anchor bolts (J-bolts) in the footing along with some minimum 3,000 psi concrete. You can just use a piece of plywood as a template and drill holes to hold the anchor bolts in the correct position while pouring the mud. 
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Good thought. If I can get the template for the lift before I have the floor poured, it would be better to set the j-bolts than hammer drilling the holes.