The ridges are caused by small debris caught in your knife, which is understandable if you were dragging on exposed gypsum.

This will expose you to a variety of possible strategies.

The two I work with cannot help on this project (one is busy and the other has been exposed to covid).

Natural if possible, but propane would still be a good investment.

scope the pipe, find the leak via camera, mark the floor, repair the leak directly under the slab, keep the rest of pipebust the hole up yourself or with labor to expose the broken pipe then pay a plumber to do the repair, you back fill the hole with dirt and do the concrete patch, you do the flooring repairI've done this numerous times.

I would work with a lawyer on this, as you are just as exposed as her.

These areas arent exposed the areas with alot of water.

Did I expose myself to problems by answering the way I did? 

And when that happens, a luxury 1,100sqft exposed brick loft in Brooklyn will lose its appeal and turn into a box that's too small to put your family in.

Provide propane fill service.