The building shall contain a minimum of 250 square feet of common space such as recreation areas, lounges, and living spaces. An additional 10 square feet of common space is required per rooming unit over 11. Bathrooms, laundries, hallways, the main lobby, vending areas, and kitchens shall not be counted as common space. [Ord. 96-01 §2, 1996. Formerly §17.29.050].