I was on a hotel project where all the floors were post cable tensioned and a separate xray company wall called out for xrays for before any coring cutting in slab.
Cutting a trench in concrete.
With the jackhammer cut the drainage channel down to where you dug the trench in your yard so that the water will flow in the correct direction.
Connect one end of a.
The slab was about 4in thick with wire mesh and a plastic barrier between the concrete and the wet clay like soil home located in new orleans.
Don safety glasses hearing protection and steel toed boots for protection.
How to cut drain grooves in concrete step 1.
I ve just cut several trenches 2 3 ft wide x 25 ft long in my existing concrete slab to run plumbing.
Place the tip of a walk behind concrete saw blade over the center of one line.
How to cut a shallow channel into a concrete floor.
Rosin paper stihl diamond saw exhaust fan if you have any questions.
Snap a chalk line over the concrete where you want the center of the drainage groove.
Continue to cut along the entire length of the chalk line then go back to the starting point and make a second pass.
This is how to video on cutting a plumbing trench in concrete.
I think he was seeing rebar.
Once the concrete is out you can dig in the remaining trench to remove the sand or soil before running the new plumbing.
Once you ve cut along the borders of the trench the next step is to remove the strip of concrete from between the two.
Turn on the saw blade and slowly.
Considerations cutting through a concrete floor should be a last resort.
Tools used in this video.
Set the bit down between the two saw cuts and about four.
Next set the saw s blade depth to 2 inches and attach a 7 inch diamond blade using vice grips so that the teeth point in the opposite direction of movement.
Locate the area of the concrete floor where you would like to cut the channel.
I also had to break up footings in a few locations as well.
The same guy that operated the scanner cut the trench.
Though a good concrete cutter can tell the difference between rebar and cable if he s cutting it.
To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab.
