Neither an excavation permit granted by the council nor the approval of the director of public works is required for:
A. The excavation, removal or storage of rock, sand, dirt, gravel, clay or other like material for the purpose of foundation, cellar or basement of some immediately pending superstructure to be erected, built or placed thereon contemporaneously with, or immediately following, such excavation, removal or storage, provided that a building permit has been issued.
B. Such excavation, removal or storage of rock, dirt, gravel, sand, clay or other like material by the state, county, or city authorities in connection with the construction or maintenance of roads or highways or utilities, provided such activity is conducted within said road or highway right of way.
C. Curb cuts, utility hookups or street openings for which another permit is required from the city. Where another permit is not required or obtained, an excavation permit shall be required.
D. Excavation or installation of public utilities upon platted property within two (2) years after an approved plat has been filed with the county. Where a plat is pending or more than two (2) years has elapsed since the filing of a plat, an excavation permit shall be required.
E. The filling or raising of existing surface grades by rock, sand, dirt, gravel, clay or other like material or the displacement, excavation, removal or storage of rock, sand, dirt, gravel, clay or other like material when all of the following conditions are met:
1. The total amount of material does not exceed five hundred (500) cubic yards and no demolition debris is used;
2. The material is for finished grade or finished landscaping purposes or for gardening;
3. Existing drainage and ponding patterns are not significantly altered so as to adversely affect adjoining land; and
4. The resultant grade and slopes at the property line are in substantial conformity to the surrounding natural topography, are set so as to minimize erosion, and provide for sufficient drainage so that both natural and storm water enter and leave the property at the original or natural drainage points.
F. Excavating or grading for agricultural purposes.
G. Filling for any purpose for which a dump permit shall have been previously applied for and obtained.
H. Making any excavation or grading for any purpose for which a sewage disposal system permit shall have been previously applied for and obtained. (1974 Code § 420.01)