If the concrete floor is supported by the ground ie ground bearing slab then there should be no problem cutting a channel in the floor.
Cut channel concrete floor.
How to cut a shallow channel into a concrete floor.
With 415v floor saws it is possible to work hard concrete floor slabs.
I cut the edges and chisel out the middle.
There may be a screed above the actual structural floor usually about 50mm deep which should be safe to cut into.
Repeat the process with the second line.
It is a concrete floor with lots of flints and stones in it.
Turn on the saw blade and slowly allow the cutter to enter the concrete.
The dust is well controlled and contained using attached vacuum collection equipment.
Set the diamond blade on the concrete wet saw to a depth of 4 1 2 inches and cut along both chalk lines.
It is a dry cut procedure that requires no water.
It delivers very accurate and precise channels for the pipework and cables.
We just need to did the channel to sink the ducting into the floor.
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Benefits of floor and wall chasing.
The blades have a predetermined depth of 2 inches.
Watch the blade to ensure it stays on the line.
Walk behind the concrete cutter.
If it is suspended then you should not cut into it.
Place the tip of a walk behind concrete saw blade over the center of one line.