17.34.040 Definitions.
For the purpose of this chapter; certain terms are defined as follows:
"Cross walls" mean interior walls of masonry or wood frame construction with surface finish of wood lath and plaster; minimum one-half inch-thick gypsum wallboard or solid horizontal wood sheathing. In order to be considered as a cross wall within the intent of this chapter; cross walls shall be spaced not more than forty feet apart in each story; and shall be full story height with a minimum length of one and one-half times the story height.
"Unreinforced masonry wall" means a masonry wall having all of the following characteristics:
1. Provides the vertical support for a floor or roof.
2. The total superimposed load is over one hundred pounds per linear foot.
3. The area of reinforcing steel; if any; is less than fifty percent of that required by Section 2407(h)4B of the UBC.
"External hazard" means an object attached to or forming the exterior facade of a building which may fall onto pedestrians or adjacent buildings. Examples of this type of hazard include; but are not limited to; the following:
1. Parapets;
2. Masonry chimneys;
3. Tile roofing;
4. Masonry or stone wall veneer and wall ornamentation; including cornices or other decorative appendages;
5. Nonstructural exterior wall panels; such as masonry in-fill or decorative precast concrete.
(Ord. 1882 NCS §1 (part), 1992.)