- Notify your local One Call center by calling 811 or making an online request 2-3 days before work begins. Be sure to check the state map to find out how far in advance you need to call.
- Wait the required amount of time for affected utility operators to respond to your request.
- Confirm that all affected utility operators have responded to your request and marked underground utilities.
- Respect the marks.
- Dig carefully around the marks with care.