4242 – 7 St SE Suite 104
Calgary AB T2G 2Y8
M - F 0600-2000 Emergency 24 / 7
3 full working days
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.