The person in charge of a building, structure, area or site within the Historic District shall not permit the building structure, area or site to fall into a state of disrepair which may result in the deterioration of any exterior feature so as to produce or tend to produce, in the judgment of the Commission, a detrimental effect upon the character of the Historic District as a whole or the life and character of a building or structure in the Historic District. Nothing in this Chapter shall be construed to prevent the ordinary maintenance or repair of any exterior feature of a building, or properties that does not involve a change in design, building material, or outer appearance thereof, which is not inconsistent with the historic atmosphere of the Historic District, nor to prevent the construction, reconstruction, alteration, demolition or removal of any feature when the demolition or removal is required for public safety because of unsafe or dangerous conditions, or for structural preservation. (Ord. 270, 9-8-1998)