All public buildings owned or leased by any unit of government and public or institutional uses and public utilities but the procedure set forth in subsection 34-6.17 above must be followed.

Signs conforming to subsection 34-14.1.

Accessory uses customarily incident to the above uses provided they do not include any activity commonly conducted for gain unless specifically permitted in this section.

Private garages as regulated in subsection 34-6.8.

Parking and parking facilities conforming to subsection 34-13.3 above.

Public parks and playgrounds.

Not more than two roomers or boarders per dwelling unit.