2 DAYS Notify CALL BEFORE-U-DIG (800-922-4455) two full days (excluding Saturdays, Sundays, and holidays) prior to anexcavation. Digging cannot commence until all utilities have responded and verified. Public Act 77-350 & 81-146 2 FEET Spoils, surcharge or other material or equipment shall be set back from the excavation by at least 2 feet. 1926.651(j)(2) 2...