If any of the above conditions apply, the applicant shall submit an application for a special exception which contains a plot plan drawn to a suitable engineering scale accurately showing the location of all proposed improvements, initial and replacement septic systems, well, natural or man-made features, including topography drawn to two-foot contour intervals. The plot plan shall also include proposed finished grading for all proposed improvements. The Zoning Hearing Board shall, when considering said application, determine whether or not the proposed construction upon or use of the lot will endanger the health, safety or welfare of the future occupants of the lot or others, including, but not limited to, interference with neighboring wells by the proposed well or septic system(s), or the diversion or concentration of stormwater that may harm the properties of others.