(a) If an excavator determines that blasting will be required during an excavation, the excavator shall inform the notification center when providing notice of the excavation.
(b) If an excavator determines during the effective term of the excavator's notification that blasting is required within the area premarked in accordance with En 805.01(d), the excavator shall notify the notification center of the need to blast at least 24 hours prior to any blasting, not including Saturdays, Sundays, and holidays.
(c) When unanticipated obstructions prevent further excavation without blasting, the excavator shall provide separate notice of such blasting not less than 4 hours in advance of such blasting, not including the hours of 4:00 p.m. to 6:00 a.m. weekdays, or all of Saturdays, Sundays, and holidays.
Source. #93 18, eff 11-8-08; ss by #12102, eff 2-8-17