In an R-MU Overlay District, 1 (but no more than 1) of the following non-residential uses is permitted on the ground floor of a rowhouse structure:Art gallery. Arts studio. Day-care center: Adult or child (See § 14-309 for use standards). Office. Personal services establishment. Restaurant. Retail goods establishment – no alcoholic beverage sales. In an R-MU Overlay District, the following uses are conditional uses requiring approval by the Board of Municipal and Zoning Appeals:Outdoor Dining (<em>See </em>§ 14-329 for use standards). Initial conversion of a rowhouse dwelling from a residential use to a non-residential use listed in subsection (a) of this section. Use of upper floor for a non-residential use listed in subsection (a) of this section. Ord. 16-581 Ord. 17-015