Builder didn't make the footings deep enough for frost protection and the city required the middle area to be that elevation for 100 year flood overflow.

I blame fiat, the amount of dumb things we deal with on jobsites because of short-sightedness had gone exponential

https://video.nostr.build/a9397a9a0a81c220875ae8455b979cba42a8a692647d392f3904706aa64cc7ac.mp4