The following uses shall be permitted, subject to the limitations of this ordinance:
A. Multiple family dwellings of a low rise type, including but not limited to multiplexes, townhouses and apartments and duplexes;
B. Independent and limited assistance housing for the elderly, subject to the following:
1. Only ranch type and/or apartment type dwellings or rooming units shall be permitted;
2. The total area devoted to common areas shall equal not less than 35 square feet for each dwelling unit. If a common dining area is provided, the total area devoted to a dining room shall equal not less than 18 square feet for each seat.