Building; exterior walls; roofs; party walls

A. (1) Buildings destroyed by natural or other occurrences, acts of God, force majeure or catastrophe shall not remain in their destructive state in excess of three months after the appropriate law enforcement agency releases the property. (2) Such buildings shall be classified as dilapidated buildings if no reasonable and substantive efforts are made by the owner or owners to repair or to rehabilitate such building. (3) Buildings destroyed by natural or other occurrences, acts of God, force majeure or catastrophe and which have been in a destructive state in excess of three months, as set forth in Paragraph (A)(1) of this Section, shall be subject to the uniform procedures of condemnation and demolition previously established by state statutes, city ordinances and other governing authorities. B. All unsafe buildings are hereby declared to be public nuisances and shall be abated by repair, rehabilitation or by condemnation, demolition or removal in accordance with the procedure specified in this Subpart or in existing state and local laws. C. Every exterior wall shall be free of holes, breaks, loose or rotting boards or timbers, and any other condition which might admit rain or dampness to the interior portions of the walls or to the occupied spaces of the building. All siding materials shall be kept in repair. D. (1) Roofs shall be maintained in a safe manner and have no defects which might admit rain or cause dampness in the walls or interior portion of the building. (2) No portion of the roof shall display signs of deterioration, abuse or improper installation that could be constructed to affect the purpose of that item or cause damage to the immediate area or roof structure, that could allow dampness or admit rain to the interior of that building. E. If a building with a party or common wall is ordered to be demolished, then the party or common wall itself shall remain intact to maintain the adjoining building, if any.