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Question DetailsAsked on 5/29/2017

Concrete floor cut price

6" thick

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1 Answer


To cut an opening a couple of feet square to access a pipe leak for instance, normally using a rotary impact hammer drill or electric jackhammer - commonly $250-400 range for a floor slab. To cut to take out larger pieces or to trench, generally about $7-10/LF of saqw cut for diamond saw cutting.

If 6 inches thick, this sounds like structural slab almost for certain, so make sure there are not pre- or post-tensioning cables in it, and the reinforcing needs to be spliced across the gap during the repair if a structural floor. (Normal garage/basement sfloor slabs are 3-4 inches thick, not 6").

And of course, if a structural slab (which includes all elevated slabs as well as structural on-grade slabs) you need to locate the reinforcing (and any utility conduits) and have a Structural Engineer design the cuts, any needed temporary support, and the repair.

Answered 3 years ago by LCD

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