Colorado Code
Article 1.5 - Excavation Requirements
§ 9-1.5-102. Definitions

As used in this article 1.5, unless the context otherwise requires:
(1.5) "Damage" includes the penetration or destruction of any protective coating, housing, or other protective device of an underground facility, the denting or partial or complete severance of an underground facility, or the rendering of any underground facility inaccessible.

(3.4) "Gravity-fed system" means any underground facility that is not pressurized and that utilizes gravity as the only means to transport its contents. These systems include sanitary sewer lines, storm sewer lines, and open-air irrigation ditches.
(3.7) "Licensed professional engineer" means a professional engineer as defined in section 12-120-202 (7).

(6.5) "Routine maintenance" means a regular activity that happens at least once per year on an existing planted landscape if earth is not disturbed at a depth of more than twelve inches by nonmechanical means or four inches by mechanical means and if the activities are not intended to permanently lessen the ground cover or lower the existing ground contours. Mechanical equipment used for routine maintenance tasks shall be defined as aerators, hand-held rototillers, soil injection needles, lawn edgers, overseeders, and hand tools.
(6.7) "Subsurface utility engineering notification" means a notice to the notification association that a project is being designed by a licensed professional engineer and that the project will include the investigation and depiction of existing underground facilities that meet or exceed the ASCE 38 standard.
(6.8) "Subsurface utility engineering-required project" means a project that meets all of the following conditions:

(A) Has an anticipated excavation footprint that exceeds two feet in depth and that is a contiguous one thousand square feet; or
(B) Involves utility boring.

(6.9) "Underground damage prevention safety commission" or "safety commission" means the enforcement authority established in section 9-1.5-104.2.

Source: L. 81: Entire article added, p. 520, § 1, effective October 1. L. 93: Entire article amended, p. 498, § 1, effective September 1. L. 2000: (3) and (6) amended, p. 685, § 1, effective May 23. L. 2009: (2) and (3) amended and (6.5) added, (HB 09-1092), ch. 38, p. 151, § 1, effective August 5. L. 2018: IP, (1), and (3) amended and (1.5), (3.4), (3.7), and (6.7) to (6.9) added, (SB 18-167), ch. 256, p. 1561, § 1, effective August 8. L. 2019: (3.7) amended, (HB 19-1172), ch. 136, p. 1650, § 27, effective October 1.