Sufficient street elevations including center line, gutter and top of curb (if applicable); existing and proposed lot elevations to include, at a minimum, property corners, midpoints of property lines, building corners and center of lot; the finished first floor, basement and garage floor elevations of the proposed structure; top of pool and sidewalk elevations. All elevations shall be according to the NGVD (National Geodetic Vertical Datum) and the source of datum so noted. Any specific circumstances for which elevation requirements cannot be met will be subject to review by the Township Engineer and Construction Official on a case-by-case basis. Under no circumstances shall individual lots be graded in such a manner as to redirect stormwater runoff onto an adjacent and/or downstream property or disturb or change the existing drainage patterns of an adjacent lot. Drainage flow arrows shall be provided to clearly depict the directions of stormwater runoff. No grading or the creation of sump conditions shall be permitted on adjacent lot(s) unless permission has been specifically granted, in writing, by the owner of said adjacent lot(s).