If you are going to do an excavation you need to call for a markout. That’s so you don’t get electrocuted by underground power lines, blown up by hitting a gas main or lynched for cutting off the internet when you slice through fiber optic or cable lines.
In Philadelphia they have conduits to hell. The conduits are for demons, allowing them to commute and get around the city efficiently. Satan has a pretty good engineering department.
If you damaged these you’ll certainly regret it. No one wants to piss off demons.