Cutting A Trench In Concrete

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.

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. I ve just cut several trenches 2 3 ft wide x 25 ft long in my existing concrete slab to run plumbing. Though a good concrete cutter can tell the difference between rebar and cable if he s cutting it.

Snap a chalk line over the concrete where you want the center of the drainage groove. Connect one end of a. 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. Set the bit down between the two saw cuts and about four.

Locate the area of the concrete floor where you would like to cut the channel. Considerations cutting through a concrete floor should be a last resort. 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.

To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab. Check to make sure there are no electrical or plumbing lines. Tools used in this video. How to cut drain grooves in concrete step 1.

This is how to video on cutting a plumbing trench in concrete. Turn on the saw blade and slowly. Measure to the left and to. Rosin paper stihl diamond saw exhaust fan if you have any questions.

I think he was seeing rebar. The same guy that operated the scanner cut the trench. 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. Continue to cut along the entire length of the chalk line then go back to the starting point and make a second pass.

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.