Chapter 3A — PROVISIONS FOR ALL COMPLIANCE METHODS
Section 313A — EARTHQUAKE MONITORING INSTRUMENTS FOR EXISTING BUILDINGS
2025 California Existing Building Code (Title 24, Part 10) · 2025 edition · updated 2026-07-29 · California
Italicized text is a California amendment to the model code, as printed in the official publication.
313.A.1 Earthquake recording instrumentation of existing buildings. All owners of existing structures, selected by the enforcement agency for the installation of earthquake-recording instruments, shall provide space for the installation and access to such instruments. Location of said instruments shall be determined by the enforcement agency. The enforcement agency shall make arrangements to provide, maintain and service the instruments. Data shall be the property of the enforcement agency, but copies of individual records shall be made available to the public on request and the payment of an appropriate fee.
3A-14 2025 CALIFORNIA EXISTING BUILDING CODE
on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.
CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE
CHAPTER 4 – REPAIRS
(Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)
| Adopting Agency | BSC | BSC- CG |
SFM | HCD | DSA | OSHPD | BSCC | DPH | AGR | DWR | CEC | CA | SL | SLC | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adopting Agency | BSC | BSC- CG |
SFM | 1 | 2 | 1/AC | AC | SS | SS/CC | 1 | 1R | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Adopt Entire Chapter | X | X | ||||||||||||||||||||||
| Adopt Entire Chapter as amended (amended sections listed below) |
X | X | X | X | X | X | ||||||||||||||||||
| Adopt only those sections that are listed below |
X | X | X | |||||||||||||||||||||
| Chapter / Section | ||||||||||||||||||||||||
| 401.1 | X | X | X | X | X | |||||||||||||||||||
| 401.1.1 | X | X | ||||||||||||||||||||||
| 401.1.2 | X | |||||||||||||||||||||||
| 401.2 | X | |||||||||||||||||||||||
| 401.3 | X | |||||||||||||||||||||||
| 402 | X | |||||||||||||||||||||||
| 402.2 | X | X | ||||||||||||||||||||||
| 402.3 | X | X | ||||||||||||||||||||||
| 403 | X | |||||||||||||||||||||||
| 404 | X | |||||||||||||||||||||||
| 405.2.1 – 405.2.5 | † | † | ||||||||||||||||||||||
| 405.2.3.1 | X | |||||||||||||||||||||||
| 405.2.6 | X | |||||||||||||||||||||||
| 406 | X | † | † | † | † | |||||||||||||||||||
| 406.1 | X | |||||||||||||||||||||||
| 407.1 | X | X | X | X | ||||||||||||||||||||
| 408 | X | |||||||||||||||||||||||
| 408.1 | X | X | X | X | ||||||||||||||||||||
| 408.2 | X | X | X | X | ||||||||||||||||||||
| 408.3 | † | † |
The state agency does not adopt sections identified with the following symbol: The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.
on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.
4-2 2025 CALIFORNIA EXISTING BUILDING CODE
on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.
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Ask AI about this code▸ Contents — 2025 California Existing Building Code (Title 24, Part 10)
- Chapter 1 — ADMINISTRATION
- Chapter 2 — DEFINITIONS
- Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS
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▸ Chapter 3A — PROVISIONS FOR ALL COMPLIANCE METHODS
Overview- Section 301A — ADMINISTRATION
- Section 302A — GENERAL PROVISIONS
- Section 303A — RESERVED
- Section 304A — STRUCTURAL DESIGN LOADS AND EVALUATION AND DESI…
- Section 305A — IN-SITU LOAD TESTS
- Section 306A — ACCESSIBILITY FOR EXISTING BUILDINGS
- Section 307A — SMOKE ALARMS
- Section 308A — CARBON MONOXIDE DETECTION
- Section 309A — RESERVED
- Section 311A — COMPLIANCE ALTERNATIVES FOR MEANS OF EGRESS
- Section 312A — REMOVAL OF HOSPITAL SPC AND FREESTANDING BUILDI…
- Section 313A — EARTHQUAKE MONITORING INSTRUMENTS FOR EXISTING …
- Chapter 4 — REPAIRS
- Chapter 4A — REPAIRS
- Chapter 5 — PRESCRIPTIVE COMPLIANCE METHOD
- Chapter 5A — PRESCRIPTIVE COMPLIANCE METHOD
- Chapter 6 — CLASSIFICATION OF WORK
- Chapter 7 — ALTERATIONS—LEVEL 1
- Chapter 8 — ALTERATIONS—LEVEL 2
- Chapter 9 — ALTERATIONS—LEVEL 3
- Chapter 10 — CHANGE OF OCCUPANCY
- Chapter 11 — ADDITIONS
- Chapter 12 — HISTORIC BUILDINGS
- Chapter 13 — PERFORMANCE COMPLIANCE METHODS
- Chapter 14 — RELOCATED OR MOVED BUILDINGS
- Chapter 15 — CONSTRUCTION SAFEGUARDS
- Chapter 16 — REFERENCED STANDARDS
- Appendix A — GUIDELINES FOR THE SEISMIC RETROFIT OF EXISTING B…
- Appendix B — SUPPLEMENTARY ACCESSIBILITY REQUIREMENTS FOR EXIS…
- Appendix C — GUIDELINES FOR THE WIND RETROFIT OF EXISTING BUIL…
- Appendix D — BOARD OF APPEALS
- Appendix E — TEMPORARY EMERGENCY USES
- Appendix A — GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS A…