Jack Hammer

ChrisNy

Member
I have a two story bank barn with hay storage in the top and box stalls and a loafing area for the cattle in the bottom. The basement has a stone/concrete wall that is 4 feet high around the outside and I want to make 10 foot wide opening so that I can get a tractor and loader in to remove manure.
The wall is stone and mortar in the center with smooth concrete on the outside. 12 inches thick total. I was planning to rent an electric jack hammer to remove the wall section. Anyone have a better idea or suggestion? Its too solid for the sledge hammer.
 
I have rented one .It does not like a regular extension cord. Or much of any cord for that matter. I was spoiled by a trailer compressor and air jackhammer for blowing windows out of manholes so the whole electric thing seemed so lame . But with patience it did get the job done I think I had to "rest" it alot for heat. It was a Bosch brand. But like I said it did the job { concrete sidwalk- no stones]
 
Jack hammer whether air or electric will likely loosen stones you don't want loosened.

Rent a gas powered concrete saw and a spline drive roto-hammer.

Use a roto hammer (drill) and drill holes for reference points. Make the inside cuts then go outside and make the outside cuts. If you rent a big enough saw, you will have cut all the way through.
You can then use a chisel bit in the roto-hammer to remove the stones.
 
Hi, First, A jackhammer is a drill. A breaker is a hammered point. I have used lots of both. In your case I would break it out with a breaker, either electric or with air. Air would be way faster.. But break it out 6" wider on each side and repour a nice edge with a nailing strip poured in the edge.
 
to buy for your project would be pretty expensive but this or a concrete chain saw would work great. have one at work and used it for the same type of project to get a skid steer in a barn basement to clean it out. made three cuts one down each side and one across the bottom made sure the sill plate wasn"t attached and just pushed the wall in with the skid steer and drug it out with the pallet forks.


http://www.northerntool.com/shop/tools/product_200474166_200474166
 
Spent 35 years in the construction field.Cut a lot of wall openings with gas saws ,ring saws,ect.,but the best way is to use a concrete chain saw.
Mark your ends and cut sections 18 inches wide and let em fall.Make the bottom cut first so when it drops you don't pinch the saw.
Good Luck.
 
Do you have a steel beam to support the floor above where your making your door??? You might have to make your opening larger than your door to accommodate for your support beam and wider for support legs for your over head beam ...
 

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