An old building owned by the city had a wall to collapse making the building unsafe. So the city rented a trackhoe and pushed down the remaining walls. It looked like a good place to dig once the debris was hauled off. I made sure I had all the permissions to dig. Mayor says it's OK. Trackhoe operator is on my fire department. He lets me know when he is moving the debris and is carefull not to disturb the crawl space area. Things are just going too good.