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// CODE SNIPPET

302A.4 Existing Materials and Equipment

California Existing Building Code 2019 > 3A Provisions for All Compliance Methods > 302A General Provisions > 302A.4 Existing Materials and Equipment
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Materials and equipment already in use in a building in compliance with requirements or approvals in effect at the time of their erection or installation shall be permitted to remain in use unless determined by the building official to be unsafe in accordance with California Building Code Section 116.

302A.4.1 Existing Seismic Force-Resisting Systems

Where the existing seismic force-resisting system is a type that can be designated ordinary or is a welded steel moment frame constructed under a permit issued prior to October 25, 1994, values of R, Ω0, and Cd for the existing seismic force-resisting system shall be those specified by this code for an ordinary system unless it is demonstrated that the existing system will provide performance equivalent to that of a detailed, intermediate or special system.

Related Code Sections


302A.4 Provisions for All Compliance Methods, Existing Materials and Equipment
Materials and equipment already in use in a building in compliance with requirements or approvals in effect at the time of their erection ...
California Existing Building Code 2019 > 3A Provisions for All Compliance Methods > 302A General Provisions > 302A.4 Existing Materials and Equipment
3401A.4.1 Existing Structures, Existing Materials and Equipment
Materials and equipment already in use in a building in compliance with requirements or approvals in effect at the time of their erection ...
California Building Code 2016 (Vol 1 & 2) > 34A Existing Structures > 3401A General > 3401A.4 Building Materials, Equipment and Systems > 3401A.4.1 Existing Materials and Equipment
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