The excavation and grading for completion of a development shall be done in accordance with the Ocean County Soil Conservation District approved plan which contains soil erosion and sediment control provisions. Excavation of soil, other than required for the construction of approved structures and supporting facilities such as but not limited to streets, driveways and parking areas, shall be prohibited. Regrading of property so as to redistribute top soil throughout the site from areas excavated for such approved structures and supporting facilities shall be permitted, but shall be done to minimize or eliminate the erosion of soil.