4005 Port Chicago Hwy Suite 100 Concord, CA 94520-1232
Advanced Notice
2 working days, but not more than 28 calendar days Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.
2 working days, but not more than 28 calendar days Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.
Marks Valid
28 calendar days or when marks are no longer reasonably visible Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.
28 calendar days or when marks are no longer reasonably visible Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.
