Dewatering means the removal of water for construction activity. It can be a discharge of appropriated surface or groundwater to dry and/or solidify a construction site. It may require Minnesota Department of Natural Resources permits to be appropriated and if contaminated may require other MPCA permits to be discharged.
Hazing means committing an act against a student, or coercing a student into committing an act, that creates a substantial risk of harm to a person, in order for the student to be initiated into or affiliated with a student organization, or for any other purpose. The term hazing includes, but is not limited to:
Infiltration means water other than wastewater that enters a sewer system (including sewer system and foundation drains) from the ground through such means as defective pipes, pipe joints, connections, or manholes. Infiltration does not include, and is distinguished from, inflow.
Tunnel means a subterranean passage made by excavating beneath the over burden into which a building worker enters or is required to enter to work;
Tunnelling means the construction of any tunnel beneath the natural surface of the earth for a purpose other than the searching for or winning of a mineral