The operator shall not permit the following outside the building: food preparation, tables preset with utensils, glasses, napkins, condiments, busing service stations, or trash and garbage storage. All exterior surfaces within the outdoor dining area shall be easily cleanable and shall be kept clean at all times by the permittee. Restrooms sufficient for indoor and outdoor dining shall be provided in the adjoining indoor restaurant. The permittee shall be responsible for maintaining the outdoor dining area, including the sidewalk surface and furniture and adjacent areas, in a clean and safe condition. (Prior code § 3706)