The review of the application for a permit shall take into consideration, but shall not be limited to, the following criteria:
A. The grading is not excessive beyond that necessary for the permitted use of the site;
B. The slopes can be effectively protected against erosion and slippage;
C. The finished contours are relatively natural and do not distort the natural contours;
D. Hillside sites are suitable for development in the manner proposed;
E. The removal of natural vegetation is not excessive and that it is done in a manner which will minimize erosion. (Ord. 486 (part), 1986).