Jim Rusling wrote:
In most cases you will have to take the slab out and start over. I
would not trust any plumbing that had been heated that much. Don't
forget the cost of having the remains removed.

I meant the under slab/ground plumbing.

We had a hippie try to commit suicide in our neighborhood by running a hose
from the gas log lighter to the bedroom. Then he went to sleep. A couple of
hours later he woke up and lit a joint.

After clearing away the rubble, a new house was built on the old slab,
exactly like the first. But without the hippie.