Ala. Code § 37-15-3
No person shall excavate in a street, highway, public easement, private easement, or implied easement of an operator, or on property of an operator, or conduct blasting operations, or perform demolition activities in the near proximity of an operator's underground facility without first having ascertained, in the manner prescribed in Sections 37-15-4 and 37-15-6, the location of all underground facilities in the area of the proposed excavation, blasting, or demolition; however, violation of this section shall not subject any person to the civil penalties of Section 37-15-10 provided the easement or underground facility is located on property owned by such person and such person did not have knowledge of the existence or presence of such easement or underground facility.
Ala. Code § 37-15-3 (1975)