501G.1 Intent.

501G.1 Intent. This Chapter 5G is intended to advance public safety through a building inventory assessment and notification process regarding the seismic safety risks for Rigid-Wall-Flexible-Diaphragm and certain Concrete Buildings vulnerable to earthquake damage and collapse. There is no mandatory requirement to seismically retrofit Rigid-Wall-Flexible-Diaphragm or Concrete Buildings, except when triggered by addition, alteration, repair, change of occupancy, relocation, or other work regulated by the Existing Building Code. It is the intent of the Board of Supervisors that, absent a compelling public safety necessity, buildings that are exempted as a result of the inventory assessment of Section 501G.4 and buildings that are voluntarily retrofitted pursuant to Appendix A, Chapter A2 for Rigid-Wall-Flexible-Diaphragm buildings or Chapter A6 for Concrete Buildings, will be exempt from any local mandatory seismic retrofit requirements for 20 years after the effective date of the ordinance in Board File No. 250211. Such a building shall not be exempt from requirements associated with any addition, alteration, repair, change of occupancy, relocation, or other work regulated by this Code. All seismic retrofit work must be duly permitted, completed, and inspected to qualify for the exemption.

(Added by Ord. 70-25, File No. 250211, App. 5/9/2025, Eff. 6/9/2025)