10-18A-7: STRUCTURAL ANALYSIS:
A. Adherence to Requirements: All structural analysis shall be in accordance with adopted building code of the jurisdiction having authority, the local amendment adopted by the authority having jurisdiction, and this article.
B. Factor of Safety – Seismic Forces: The minimum factor of safety for sliding and overturning of each rock in a rockery wall shall be two (2). This shall include load combinations with seismic forces.
C. Analysis Provisions: The following analysis provisions shall apply:
1. The maximum unit weight of the rocks used in the design of a rockery wall shall be one hundred fifty-five (155) pcf unless field verified by special inspection.
2. The maximum coefficient of friction between rocks in a rockery wall shall be one-half (½).
3. Surcharge load shall be taken into consideration in the analysis.
4. Specifications shall be provided to clearly define acceptance criteria for rock materials. (Ord. 2019-10-002, 10-10-2019)