(a) Sketch Plan Review Required. The applicant shall provide a sketch plan and building elevations for Commission review and approval.
(b) Apartments Accessory to permitted Office and Services Uses or Commercial Uses. Accessory apartments shall be contained entirely within the primary building, and shall occupy no more than 50 percent of the gross floor area of the building. Each accessory apartment shall have separate kitchen, bath and toilet facilities and a private entrance (where there is more than one accessory apartment in a building, such entrances may be provided from a common hallway).