Administrative offices of governmental entities, courts and courtrooms, police facilities, post offices, fire companies or emergency squads, public libraries, museums, public parks or recreation areas, and similar public institutional uses, provided, however, that such uses shall take satisfactory measures to preserve and protect the health, safety, and character of the surrounding area and neighborhoods and that adequate ingress, egress, and parking facilities are provided. Motor vehicle service or repair facilities, storage of public works and heavy equipment, or operational facilities of governmental utilities are not, however, to be permitted uses in this zone.