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Just cut a 2' by 2' cut near the problem, the use a high priced grinder with a diamond grade blade and start cutting. This will get you about 2" deep, enough to pull the 90' Jack Hammer of you choice, and get after it! Atfer hammering and sawing you'll get there. Then you can start digging! Have Fun!

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Q: How do you tunnel under a slab?
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Related questions

What are slab sewers?

The sewers which are under the concrete slab


What exactly is a slab leak and is it the same as a belly in the sewer line?

A leak in the slab is an under ground stream or broken line under the slab. It is NOT the same as a belly in a sewer line.


When was The Tunnel under the World created?

The Tunnel under the World was created in 1954.


Was the Holland tunnel the first under water tunnel?

no


If I have a water leak underneath the slab of my bathroom will the slab need to be broken in order to repair it?

I think I have a water leak in my bathroom under the slab. Will a plumber have to break my slab to fix it?


Can you install a 3-inch pipe in a horizontal concrete slab?

The pipe usually goes under the slab.


What towns does the channel tunnel go under?

The Channel is a body of water so the tunnel does not go under towns, but water.


Kitchen floor feels hot to the touch house is on a cement slab?

Sounds like a broken line under the slab


How much is the cost of an under a slab tunnel?

The cost varies by region and composition of earth to be excavated (rocks & roots can be extra). Generally the price of tunnel excavation for plumbing repairs is slightly higher than an in home slab break repair, but the real benefit to tunneling is there is no inconvenience to the residents due to construction debris and intrusive mess associated with an in home "break". Depending on who is paying the bill (homeowner, plumbing company, or insurance co.), the excavator can charge anywhere from $100 to $375+ per foot.


Can we Put a 6 feet hole in a reinforced concrete slab of 8 inches?

That would depend on where the slab was and what it was doing. How close to a wall is it? What's under the slab? Rock, plumbing? Can you do it? Yes. Should you? Good question. What may happen varies with each slab and circumstance. You may bust it out and find a large rock under it and have to replace it.


What is the name of the tunnel under the river Lee?

It is called the Jack Lynch Tunnel, named after the former Irish Taoiseach who was from Cork, where the tunnel is.


Is the tyne tunnel built under water?

The Tyne River Tunnel is indeed built partly under water. The lowest spot in the tunnel is 85 feet below the high water mark of the river.