SECTION 304

304.1 General. The exterior of a structure shall be maintained in good repair, structurally sound and sanitary so as not to pose a threat to the public health, safety or welfare. As additional standards of maintenance, the exterior of every structure shall be maintained in high quality, first-class condition so as not to have a negative effect upon the value of the subject property, or upon the value of other property in the neighborhood or the city, not to cause a blighting problem or adversely affect the public health or safety, and in accordance with the standards of maintenance generally used by owners and occupants throughout this city.

304.1.1 Unsafe conditions. The following conditions shall be determined as unsafe and shall be repaired or replaced to comply with the International Building Code or the International Existing Building Code as required for existing buildings:

1. 1.The nominal strength of any structural member is exceeded by nominal loads, the load effects or the required strength.
2. 2.The anchorage of the floor or roof to walls or columns, and of walls and columns to foundations is not capable of resisting all nominal loads or load effects.
3. 3.Structures or components thereof that have reached their limit state.
4. 4.Siding and masonry joints including joints between the building envelope and the perimeter of windows, doors and skylights are not maintained, weather resistant or water tight.
5. 5.Structural members that have evidence of deterioration or that are not capable of safely supporting all nominal loads and load effects.
6. 6.Foundation systems that are not firmly supported by footings, are not plumb and free from open cracks and breaks, are not properly anchored or are not capable of supporting all nominal loads and resisting all load effects.
7. 7.Exterior walls that are not anchored to supporting and supported elements or are not plumb and free of holes, cracks or breaks and loose or rotting materials, are not properly anchored or are not capable of supporting all nominal loads and resisting all load effects.
8. 8.Roofing or roofing components that have defects that admit rain, roof surfaces with inadequate drainage, or any portion of the roof framing that is not in good repair with signs of deterioration, fatigue or without proper anchorage and incapable of supporting all nominal loads and resisting all load effects.
9. 9.Flooring and flooring components with defects that affect serviceability or flooring components that show signs of deterioration or fatigue, are not properly anchored or are incapable of supporting all nominal loads and resisting all load effects.
10. 10.Veneer, cornices, belt courses, corbels, trim, wall facings and similar decorative features not properly anchored or that are anchored with connections not capable of supporting all nominal loads and resisting all load effects.