1.   The districts shown on the zoning map and designated Class RM shall be zoned Class RM.

2.   The following uses shall be allowed in any Class RM district:

   A.   All uses permitted in any Class R district.

   B.   Boarding houses.

   C.   Multiple-family dwellings.

3.   The following regulations shall apply to any structure, building or dwelling constructed or altered in a Class RM district:

   A.   Density of Population. Lot area shall be not less than 6,000 square feet and lot width shall be not less than fifty (50) feet.

   B.   Percentage of Lot Covered by Buildings, Dwellings and Other Structures. No dwelling or other structure, including accessory buildings, shall cover more than 75% of the area of the lot. If more than one lot is used, the percentage shall be computed on the combined size of the lots.

   C.   Yards, Courts and Open Spaces. Every lot in any Class RM district shall be required to have a front yard with a minimum of fifteen (15) feet before any structure may be erected, a rear yard setback of ten (10) feet, and each lot shall have a minimum side yard of at least five (5) feet on each side. Lots located at the intersection of two streets shall meet the front yard setbacks for both frontages.

   D.   Size of Structure. No structure shall be built having less than 1000 square feet of living space per dwelling unit.

   E.   Temporary Residences. Basement dwellings may be lived in, not to exceed six months, and garages may be used as temporary dwellings for not to exceed six months.