Drilling through rebar in slab?

[Azzkker]

Love this forum as its been really helpful.

I am installing a bendpak xpr-10a in my shop and ran into a problem when drilling the holes for the mounting bolts. The slab has steel rebar, which I hit 3" into drilling on two of six mounting holes. My question is, what is the best way to drill through this, and will this compromise the anchor strength?

Figured drilling it out with a metal drill bit would work the best but wanted to make sure.

thanks
anthony

 

[redturbo]

I installed my 2 post hoist couple weeks ago. The instructions said to use a "core hole bit" for chance of hitting rebar. I needed a 3/4" bit for the anchors. I rented the drill & bit from local rental place. The bit kinda looks like a really long hole saw(different teeth), about a foot long. Had to drill 10 holes, did hit the rebar couple times. Didn't seem to matter to the bit, as it went thru it. I was under 2hrs doing this, never did this before either. Drilled one hole at a time, cleaned up the water each time, then blew out the hole. Installed the anchor loose, then onto the next hole. Finished off by leveling with shims & torqued the nuts.

 

[RivennHewn]

Or a re-bar eater on a roto hammer.

http://www.amazon.com/dp/B001QFYPVS/?tag=atomicindus08-20

 

[LegacyIndustrial]

Or a re-bar eater on a roto hammer.

http://www.amazon.com/dp/B001QFYPVS/?tag=atomicindus08-20

 

[Azzkker]

Thank you for the suggestions. I will give the rebar cutter a try.

thanks
Anthony

 

[Azzkker]

Figured i would post an update. The rebar cutter worked great for the first post, and then on the second post on the second piece of rebar being cut, one of the teeth broke off and chipped all but one of the other teeth. thankfully i was able to nurse my way through the last 2 cuts. But i still had to cut a 4'x4' section out of the concrete due to being only 3" thick under the one post. The other was over 5.5" thick on all holes.

I had a contractor come in and cut and poor a new footing for the one post, 4'x4' 8" thick with rebar into the old slab, as well as dug out under the old slab a couple inches so the new slab footing would be locked in with no way of movement.

Thanks for the info on the cutting tool.

anthony