20:25:03:05.02Excavator responsibilities for the preservation

of markings. After the underground facility operator has marked the location of that operator's underground facilities in the proposed excavation area, the excavator shall plan the excavation to avoid damage to, and minimize interference with, the marks. The excavator is responsible for protecting and preserving the staking, marking, or other designation until the marks are no longer required for proper and safe excavation work at or near the underground facilities.

Source: 29 SDR 111, effective February 12, 2003.