(a) Within 72 hours after receipt of notice from a proposed excavator or from the notification center of a proposed excavation, but not including Saturdays, Sundays, and holidays, an operator or member of the notification center who owns or operates an underground facility, shall:
(1) Mark the location of its underground facility in the area of the proposed excavation; or
(2) If no underground facility is within the area of the proposed excavation, so notify the excavator pursuant to En 804.02(e).
(b) An operator who participates in an underground utility damage prevention system shall not be required to locate underground facilities not owned by the operator, including, but not limited to, any such underground facilities running from a house to a garage or other outbuilding.
(c) An operator shall mark underground facilities by the use of paint, stakes, flags, or by any other means that clearly indicates the location of the underground facility.
(d) An operator shall consider the physical characteristics in the area of the proposed excavation in determining the type of marker to be used.
(e) Operators shall mark underground facilities according to the following color code:
(1) Red shall be used for underground facilities conveying electric power, electric cable conduits, or lighting cables;
(2) Yellow shall be used for underground facilities conveying gas, oil, steam, petroleum, or gaseous materials;
(3) Orange shall be used for underground facilities used for communications, alarm, signal, communications cables, or communications conduit;
(4) Blue shall be used for underground facilities conveying potable water;
(5) Green shall be used for underground facilities conveying sewer or used for drain lines; and
(6) Purple shall be used for underground facilities conveying reclaimed water such as used for irrigation or slurry lines.
(f) Excavators shall use the color white for the pre-marking of the boundaries of a proposed excavation, except as provided in (g) below.
(g) Excavators shall use pink for pre-marking when snow conditions would render white premarking not clearly visible.
Source. #7350, eff 8-23-00; ss by #7900, eff 5-29-03; ss by #9318, eff 11-8-08; ss by #12102, eff 2-8-17