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A. Potentially hazardous SWOF buildings shall be retrofitted in conformance with one of the following engineering criteria:

1. 2012 edition of the International Existing Building Code (IEBC) Appendix Chapter A-4; or

2. ASCE 41-06, Seismic Rehabilitation of Existing Buildings, using a performance objective of S-5 (Collapse Prevention) in the BSE-C earthquake; or

3. ASCE 41-13, Seismic Evaluation and Rehabilitation of Existing Buildings, using a performance objective of S-5 (Collapse Prevention) in the BSE-2E Earthquake; or

4. FEMA P-807, Seismic Evaluation and Retrofit of Multi-Unit Wood-Frame Buildings With Weak First Stories, as a pre-approved "substantially equivalent standard" under procedures of CBC Section 104.11 for Alternative Materials, Design and Methods of Construction, and with a retrofit objective as established by the Building Official; or

5. Subject to the project specific approval by the Building Official, the 2003 edition of the International Existing Building Code (IEBC) Appendix Chapter A-4, for buildings with Seismic Engineering Evaluation Reports submitted prior to January 1, 2014, that (i) include structural design calculations and construction documents demonstrating conformance to Chapter A4 of the 2003 IEBC; and (ii) are suitable for building permit submittal.

B. Work above the critical story: Regardless of which standard is selected, this Chapter does not require retrofit actions above the critical story (typically the ground story) and the floor diaphragm immediately above it.

C. The Building and Safety Division shall develop and publish Framework Guidelines calibrating, delineating and detailing technical requirements to be used for the retrofitting of buildings on the City of Berkeley inventory required to meet the engineering criteria established in Section 19.39.100.A. (Ord. 7318-NS § 1 (part), 2013)