(a)   All applications for building permits for new buildings, or for major exterior alterations which affect an existing building or the perimeter dimensions of the building, shall be accompanied by plans and specifications including a plot plan.  The plot plan shall be prepared in duplicate, signed and sealed by a registered professional civil engineer, a registered professional land surveyor or a registered architect, and shall show the following:
      (1)   A legal description of the property and a statement affirming that the property has been surveyed and that the boundary corners of the property have been marked by placing permanent points at each corner of the property;
      (2)   A northpoint and scale of not less than one inch equals 100 feet;
      (3)   Exact dimensions of the property, including bearings and distances as described in the legal description;
      (4)   The proper relationship of the subject property with all abutting property lines;
      (5)   Two-foot contours or pegged grade elevations at 50 feet on center for the entire property and for a distance of not less than 50 feet outside the entire perimeter of the property;
      (6)   The existing finish grade elevations of all existing buildings or structures on or within 50 feet of the property;
      (7)   The location of all existing and/or proposed drives and parking areas;
      (8)   The location of all existing and/or proposed underground utilities;
      (9)   The proposed finished grade of all buildings, of the site itself, and of the entire perimeter of the property, including property corners;
      (10)   The location and widths of all existing and/or proposed rights-of-way and/or easements and all abutting streets and alleys;
      (11)   The location and type of any trees of three-inch caliper or more, together with detailed reasons demonstrating why any such tree or trees must be removed;
      (12)   The point, area, ditch or enclosure to which storm water is to drain;
      (13)   The location of the existing and/or proposed buildings on the property, including tie dimensions to the front, side and rear property lines and ties from the proposed building to any adjoining building on or within 50 feet of the proposed building; and
      (14)   Such other information concerning the lot or adjoining lots as may be essential for determining whether the provisions of this Building and Housing Code are being observed.
   (b)   Prior to pouring concrete for any footings, the builder shall demonstrate to the Building Official that the footing forms are properly located on the lot and that the footing grade is set to the proper elevation, both according to the dimensions and elevation as indicated on the plot plan.
   (c)   One copy of the plans shall be returned to the applicant by the Building Official after he or she shall have marked such copy as either approved or disapproved.  The remaining copy shall be retained in the office of the Building Official.