After a public utility has marked its underground facilities in accordance with the provisions of § 39-1.2-7, the excavator shall be responsible for maintenance of the designated markings. In the event the markings are obliterated, destroyed, or removed, the utility shall, within forty-eight (48) hours following the receipt of a request, re-mark the location of its facilities.
R.I. Gen. Laws § 39-1.2-12