Step 5 install the pipes to finish the job mix the cement and spread a layer about 3 inches thick around the mouth and sides of the drainage channel.
Cutting a trench in concrete.
Turn on the saw blade and slowly.
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.
I ve just cut several trenches 2 3 ft wide x 25 ft long in my existing concrete slab to run plumbing.
How to cut a shallow channel into a concrete floor.
The same guy that operated the scanner cut the trench.
Once the concrete is out you can dig in the remaining trench to remove the sand or soil before running the new plumbing.
Don safety glasses hearing protection and steel toed boots for protection.
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.
Rosin paper stihl diamond saw exhaust fan if you have any questions.
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.
This is how to video on cutting a plumbing trench in concrete.
Tools used in this video.
Once you ve cut along the borders of the trench the next step is to remove the strip of concrete from between the two.
Considerations cutting through a concrete floor should be a last resort.
How to cut drain grooves in concrete step 1.
Locate the area of the concrete floor where you would like to cut the channel.
Check to make sure there are no electrical or plumbing lines.
Though a good concrete cutter can tell the difference between rebar and cable if he s cutting it.
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.
To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab.
Snap a chalk line over the concrete where you want the center of the drainage groove.
Place the tip of a walk behind concrete saw blade over the center of one line.
Measure to the left and to.
Set the bit down between the two saw cuts and about four.
