§ 90.41 DEFINITIONS.
   For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   EXCAVATING. The act of constructing an excavation.
   EXCAVATION. The construction or maintenance of a hole in the earth’s surface more than 18 inches in depth (measured from the surface adjoining the excavation on any side thereof) or more than five feet in length or width.
(1989 Code, § 10.33, Subd. 2)