The following regulations shall govern the erection, alteration and use of buildings and premises within the "D" residential districts:

   (A)   Use: No building or premises shall be used, and no building shall be erected or altered which is arranged, intended or designed for other than the following specified uses:

      1.   Any use permitted in an "A", "B", or "C" District.

      2.   Apartment buildings.

      3.   Apartment hotels.

      4.   Parking lots for automobiles of employees and customers of business establishments adjacent to a "D" District.

   (B)   Height: No building shall exceed thirty feet (30') or two (2) stories in height.

   (C)   Front Yard: No building shall be erected or moved so that the street wall thereof shall be less than twenty-five feet (25') from the street line, and no fence, wall or hedge more than three and one-half feet (31/2') in height shall be used to enclose such front yard.

   (D)   Rear Yard: There shall be a rear yard of not less than ten feet (10').

   (E)   Side Yard: On each side of the building along an interior lot line there shall be a side yard having a width of not less than five feet (5'), except that a private garage at the rear of a dwelling may be erected or moved to a line not less than one foot (1') from an interior lot line; provided however, no building shall be erected or moved nearer than ten feet (10') from an existing dwelling. On the side street of a corner lot there shall be a side yard having a width of not less than ten feet (10'); provided, where other lots at the rear of a corner lot front on the side street, the side yard shall be increased by not less than the space between the street line and a line from a point on the rear line of the corner lot, twenty-five feet (25') from the street line of the side street, to a point on the side street line fifty feet (50') from the rear line of the corner lot. Such triangular space shall observe the requirements as specified for vision clearance.

   (F)   Intensity of Use of Lot: The building area shall not exceed forty percent (40%) of the area of the lot. No building shall be erected on a of having an area which will not provide at least nine hundred square feet (900 sq. ft.) of lot area for each family to be housed therein, and having a width of less than forty-nine feet (49').

   (G)   Minimum Building Size: No building shall be erected having an area less than one thousand two hundred and fifty square feet (1250 sq. ft.), exclusive of any accessory buildings; provided, that single-family and two-family dwellings erected in this District shall comply with the minimum requirements for such buildings specified for "B" and "C" Districts, respectively.

   (H)   Vision Clearance: Vision clearance shall be provided on all corner lots.

   (I)   Off-Street Parking: Off-street parking shall be provided in accordance with Section 9.