(a) “Excavation” means artificial movement of earth leaving any cut bank over ten feet in vertical height or any cut below a line sloping at a grade of one vertical to two horizontal from the ground at any property line.

(b) “Fill” means artificial movement of earth leaving a fill earth bank over five feet deep or artificial addition of earth above a line sloping up at a grade of one vertical or two horizontal from the ground at any property line.

(c) “Grading” means artificial movement of over fifty cubic yards of material, or movement of any earth affecting any natural or existing legally established artificial drainage channel, or excavation or fill as described in this section. (Ord. No. 1319, § 4.)