CRSC · California Referenced Standards Code

How to read the CRSC chapter index and Part‑12 cross‑reference (agency → Title 24 mapping)

Q: How should I use the Part‑12 Cross Reference Table in code research?

Use it as an index — it points to which Title 24 section(s) reference a Part‑12 standard. The table itself is nonregulatory; read and rely on the Part‑12 chapter text and the Title 24 sections cited.

Q: Does § 12‑11A.202 itself mandate installation requirements?

§ 12‑11A.202 establishes the scope (which products and tests apply). Installation obligations normally appear in the Title 24 sections the cross‑reference points to; check those Title 24 sections for the compulsory building‑code requirements.

Q: Who picks the independent entity for detectable warnings?

The Division of the State Architect‑Access Compliance selects the independent entity; the Part‑12 text explains the entity must be a not‑for‑profit product safety testing and certification organization.

Q: What must an installer do after insulating an existing building?

For specified applications, the installing contractor must post a certificate (signed under penalty of perjury) that the installed insulation meets or exceeds the Part‑6 requirement for that application (see Sec. 12‑13‑1564).

Q: How often must detectable warning products be recertified?

Every two years ; Sec. 12‑11A.206 requires two‑year recertification without exception or waiver.

Q: If a product is listed in the cross‑reference table, is the table the final word?

No — the table helps you find the Title‑24 location that makes the standard applicable; always read the Part‑12 chapter and the specific Title‑24 section for the enforceable rule.

This explains how Part‑12’s chapter index and Cross Reference Table map agency standards into Title 24, focusing on § 12‑11A.202 (detectable warnings: independent‑entity evaluation, two‑year recertification) and § 12‑13 (insulating materials: scope, inspections, installer certification), with direct CRSC citations.

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Last reviewed: July 6, 2026

What the code requires — 2–4 sentences

The California Referenced Standards Code (Part 12) lists state‑agency standards and gives a nonregulatory Part 12 Cross Reference Table that maps each Part‑12 chapter to the Title 24 locations where those standards are applied. The primary rule for the two controlling items you asked about is that the requirements/test methods in § 12‑11A.202 apply to detectable warning products and directional surfaces, and the standards and scope for insulating materials are set out in § 12‑13 and its article sections (for example, Sec. 12‑13‑1551). See § 12‑11A.202 and the Part‑12 Cross Reference Table for mapping details.

Read the Part‑12 Cross Reference Table as an explanatory mapping (nonregulatory). Always verify the controlling Part‑12 section (for example, § 12‑11A.202 or § 12‑13) and follow the Title 24 sections cited there for how the standard is applied.

Requirements in detail

How the Chapter index and Part‑12 cross‑reference are organized

The Part‑12 Cross Reference Table is expressly described as nonregulatory and intended only “as an aid to the code user.” Use it to locate the Title 24 (building standards) references that require or incorporate a Part‑12 standard.
Each Part‑12 chapter (for example, Chapter 12‑11A or Chapter 12‑13) contains the actual referenced‑standard text, definitions, and procedural rules; the cross‑reference table directs you to the Title 24 parts/sections where that standard is required in practice.

Decision‑relevant dimensions and where to read them

Decision dimension / value	What it means for the user	Code Reference
Which Part‑12 chapter to consult	Find the chapter that matches your subject (e.g., Detectable warnings → Chapter 12‑11A; Insulation → Chapter 12‑13).	§ 12‑11A.202 / § 12‑13
Whether the cross‑reference is binding	The Part‑12 Cross Reference Table is an aid (nonregulatory); it does not itself create requirements — the Part‑12 chapter text and the Title 24 sections it points to are the controlling authorities.	Part‑12 Cross Reference Table note; see table preface.
Who evaluates certain products	Detectable warning products and directional surfaces installed after 1/1/2001 must be evaluated by an independent entity selected by the Division of the State Architect – Access Compliance.	§ 12‑11A.205 (scope / independent entity)
Recertification interval (detectable warnings)	Recertify every two years (no exception/waiver).	§ 12‑11A.206
Product uniformity threshold	Significant degradation is defined as maintaining at least 90 percent of approved design characteristics.	§ 12‑11A.210
Insulation types covered	Lists the covered insulation types (reflective foil, cellular glass board, cellulose loose/spray, mineral fiber, polystyrene, polyurethane, polyisocyanurate, urea formaldehyde foam, vermiculite, etc.).	Sec. 12‑13‑1551(b)
Contractor certification for retrofit/existing buildings	For specified existing‑building applications, the installer must certify the amount of insulation installed meets or exceeds Part 6, Section 118 (post‑Mar 25, 1982 requirement).	Sec. 12‑13‑1564
Inspection & testing authority	The Commission may inspect manufacturers, distributors, and retailers and may conduct or contract independent performance tests of representative insulation samples.	Sec. 12‑13‑1558; Sec. 12‑13‑1559

(Each row above points you to the Part‑12 section where that rule or explanation appears; the Cross Reference Table then shows where Title 24 applies the standard in building code text.)

Reading the Part‑12 Cross Reference Table (agency → Title 24 mapping)

Locate the Part‑12 standard (left column). The table rows show: standard name → subject → adopting agency → “Associated Title 24 Building Standard” (the Title/Part/Section(s) where the standard is used). Example: Chapter 12‑13 — Standards for insulating material — adopting agency CA/SFM — associated Title 24: Part 2.5 § R302.10.1; Part 6 § 110.8; Part 9 § 720, Table 721.1(1); Part 11 § A5.504.4.8. Use the Table to go to those Title 24 provisions.
Remember: the table is an index/aide only. If Title 24 cites a Part‑12 standard, follow the Title 24 requirement and read the corresponding Part‑12 chapter for definitions, tests, and procedures.

Exceptions & special cases

The Cross Reference Table is explicitly nonregulatory — do not treat the table as the legal text; it merely points to where a Part‑12 standard is referenced in Title 24. If there is any inconsistency, rely on the Part‑12 chapter text and the Title 24 section that cites it.
Detectable warning products/directional surfaces installed before 1/1/2001 are not within the post‑2001 evaluation scheme described for newly installed products; the independent‑entity evaluation requirement applies to products installed after that date. See the chapter intro for the historic cutoff.
The independent entity must be a not‑for‑profit product safety testing and certification organization recognized for public‑safety testing; selection is by the Division of the State Architect‑Access Compliance. If a standard refers you to an “independent entity,” the Part‑12 chapter explains the selection and role.

Common mistakes

Mistaking the Cross Reference Table for normative code text. The table is an aid; the mandatory requirements are in the Part‑12 sections and the Title 24 sections the table points to.
Skipping the Part‑12 chapter text after finding a mapping. The chapter contains definitions (e.g., what “significant degradation” means — at least 90% retention), testing details, and administrative procedures that the Title 24 reference assumes you understand.
Assuming all Part‑12 standards create independent building code obligations. Only when Title 24 references a Part‑12 standard does it become the operative building‑code requirement for buildings — the Cross Reference Table shows where that happens.
For insulation: failing to check whether a particular insulation type is listed in Sec. 12‑13‑1551(b) — some materials are explicitly covered, others are not. Always confirm type and labeling requirements in the Part‑12 text.

Worked example — contractor, insulation retrofit (numbers)

Scenario: A contractor installs insulation in an existing 2,000 ft² attic on 4/1/2026 and uses fiberglass batt products to achieve an R‑value of R‑30.

Step‑by‑step application of Part‑12:

Verify the insulation type is covered under Sec. 12‑13‑1551(b) (mineral fiber / blankets are listed). If covered, the Part‑12 standards apply.
The installer (per Sec. 12‑13‑1564) must certify, on completion and posted in a conspicuous location, that the amount of insulation installed meets or exceeds the Part 6, § 118 requirement for that application (i.e., the R‑value required by Part 6 for the given application). If Part 6 requires R‑30 for that attic, the contractor signs a certificate under penalty of perjury stating R‑30 was installed.
The Commission may later inspect or have performance samples tested under Sec. 12‑13‑1558/1559; those tests can form the basis of enforcement action if the product or installation is noncompliant. Keep manufacturer's test data and labeling consistent with the Part‑12 requirements.

Numeric illustration: if the installer posts a certificate claiming R‑30 was installed but an independent test sample (or on‑site measurement) shows the installed density/coverage yields only R‑27 (i.e., 90% of R‑30 = R‑27), that would meet the “at least 90 percent” threshold used by Part‑12 for significant degradation in a different context (detectable warnings). However, for insulation the operative test is whether the installed R meets the Part‑6 / Title‑24 required R‑value; R‑27 would typically be noncompliant when R‑30 is required — subject to enforcement per Sec. 12‑13‑1559. (Note: the 90% degradation threshold appears specifically in the detectable warning provisions; read the applicable Part‑12 chapter for the correct pass/fail criteria for insulation testing.)

Related provisions

§ 12‑11A.202 — Scope: requirements/test methods apply to detectable warning products and directional surfaces.
§ 12‑11A.203 — Detectable warning products must comply with Title 24 cross‑references.
§ 12‑11A.205 — Independent entity evaluation requirement for products installed after 1/1/2001.
§ 12‑11A.206 — Two‑year recertification requirement for detectable warning products/directional surfaces.
§ 12‑11A.209 — Consistency and uniformity requirements (shape, color fastness, sound‑on‑cane, resilience, attachment).
Sec. 12‑13‑1551 — Application and scope; list of insulating material types covered.
Sec. 12‑13‑1558 — Inspections authority (access to premises, sampling).
Sec. 12‑13‑1559 — Commission may conduct/contract independent performance tests.
Sec. 12‑13‑1564 — Installer certification requirement when insulating existing buildings (post‑Mar 25, 1982 rule).
Part‑12 Cross Reference Table — nonregulatory table mapping Part‑12 chapters → Title 24 parts/sections (use as index).

If you want, I can:

Extract the exact Cross Reference Table row(s) for any Part‑12 chapter you care about (e.g., print the Chapter 12‑11A row and the Chapter 12‑13 row with their Title 24 targets).
Produce a one‑page quick‑reference you can print and use on‑jobsite that lists the controlling Part‑12 §§ and the Title‑24 sections they map to.

Code references

Grounded in the retrieved California Referenced Standards Code — click a citation to read the verbatim passage:

CRSC § 12-3 Medium relevance — show source text

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PART 12 CROSS REFERENCE TABLE

(Cross reference table is nonregulatory, intended only as an aid to the code user.)

PART 12 STANDARD	SUBJECT	ADOPTING AGENCY	ASSOCIATED TITLE 24 BUILDING STANDARD
Chapter 12-3	Releasing systems for security bars in dwellings	SFM	Part 2, Sections 1031.2.1, 1031.6, 1032.7 Part 2.5, Sections R319.1.1 and R319.4.4 Part 9, Sections 1031.2.1, 1031.6, 1032.7 Appendix 4 Section 452.1.5 and Title 19 provisions 4.1, 4.2, 4.3, 4.4, 4.5, 4.6 reprinted in Part 9 Part 10, Section 505.4
Chapter 12-4A	Laboratory animal quarters standards	DPH	Part 2, Section 1236
Chapter 12-4-1	Stage and Platforms	SFM	Part 2, Sections 410.2.7, 410.2.7.1, 410.2.7.2 Part 9, Sections 105.6.51, 4809
Chapter 12-7-1	Fire-resistive standards. Fire tests of building construction and materials.	SFM	Part 2, Section 703
Chapter 12-7-2	Reserved
Chapter 12-7-3	Fire-resistive standards. Fire testing furnaces.	SFM	Part 9, Section 3001
Chapter 12-7-4	Fire-resistive standards. Fire door assembly tests.	SFM	Part 2, Section 716
Chapter 12-7-5	Fire-resistive standards. Interior finish of decorative material.	SFM	Part 2, Chapter 8 Part 9, Chapter 8
Chapter 12-7A	Materials and construction methods for exterior wildfire exposure	SFM	Part 7, Chapter 5
Chapter 12-8-1	Fire-resistive standards for fire protection	SFM	Part 2, Sections 408.14 and 435.6.2
Appendix 12-8-1A	Calculation of the total rate of heat and carbon monoxide or carbon dioxide production	SFM
Appendix 12-8-1B	Guide to mounting techniques for wall and ceiling interior finish material	SFM
Chapter 12-10-1	Exits. Power-operated exit doors.	SFM	Part 2, Sections 408.4.2, 1010.1.4.2, 1010.1.9.1
Chapter 12-10-2	Exits. Single-point latching or locking devices.	SFM	Part 2, Section 1010.2.2 Part 9, Section 1010.2.2
Chapter 12-10-3	Exits. Emergency exit and panic hardware.

CRSC § 12-16 Medium relevance — show source text

CHAPTER 12-16-1 ENGINEERING REGULATIONS—QUALITY

AND DESIGN OF THE MATERIALS OF

CONSTRUCTION . . . . . . . . . . . . . . . . . . . 101

CHAPTER 12-16-2 ENGINEERING REGULATIONS—QUALITY

AND DESIGN OF THE MATERIALS OF

CONSTRUCTION . . . . . . . . . . . . . . . . . . . 103

CHAPTER 12-31C RADIATION SHIELDING STANDARDS . . 105

CHAPTER 12-71 AIR FILTERS. . . . . . . . . . . . . . . . . . . . . . . 107

CHAPTER 12-72-1 PROTECTIVE SIGNALING SYSTEMS . . . 109

CHAPTER 12-72-2 PROTECTIVE SIGNALING SYSTEMS . . . 123

CHAPTER 12-72-3 PROTECTIVE SIGNALING SYSTEMS . . . 133

HISTORY NOTE APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

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PART 12 CROSS REFERENCE TABLE

(Cross reference table is nonregulatory, intended only as an aid to the code user.)

PART 12 STANDARD	SUBJECT	ADOPTING AGENCY	ASSOCIATED TITLE 24 BUILDING STANDARD
Chapter 12-3	Releasing systems for security bars in dwellings	SFM	Part 2, Sections 1031.2.1, 1031.6, 1032.7 Part 2.5, Sections R319.1.1 and R319.4.4 Part 9, Sections 1031.2.1, 1031.6, 1032.7 Appendix 4 Section 452.1.5 and Title 19 provisions 4.1, 4.2, 4.3, 4.4, 4.5, 4.6 reprinted in Part 9 Part 10, Section 505.4
Chapter 12-4A	Laboratory animal quarters standards	DPH	Part 2, Section 1236
Chapter 12-4-1	Stage and Platforms	SFM	Part 2, Sections 410.2.7, 410.2.7.1, 410.2.7.2 Part 9, Sections 105.6.51, 4809
Chapter 12-7-1	Fire-resistive standards.

CRSC § 106.1.1 Medium relevance — show source text
Enforcing agency— Office of Statewide Health Planning and Development (OSHPD). The office shall enforce the Division of the State Architect—Access Compliance regulations and the regulations of the Office of the State Fire Marshal for the above-stated facility types.

106.1.1 Applicable administrative standards.
1. Title 24, Part 1, California Code of Regulations: Chapters 6 and 7.
2. Title 24, Part 2, California Code of Regulations: Sections 1.1 and 1.10 of Chapter 1, Division I and Chapter 1, Division II.
106.1.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 9, 11 and 12.

106.1.3 Identification of amendments. For applications listed in Section 106.1, amendments appear in this code preceded with the acronym [OSHPD 1].

Authority— Health and Safety Code Sections 127010, 127015, 1275 and 129850.

Reference— Health and Safety Code Sections 19958, 127010, 127015, 129680, 1275 and 129675 through 130070.

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ADMINISTRATION

106.2 OSHPD 2. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

Application— Skilled nursing facilities and intermediate care facilities, including distinct part skilled nursing and intermediate care services on a general acute care or acute psychiatric hospital license, provided either are in a separate unit or a freestanding building. For structural regulations: Single-story, Type V skilled nursing facility and/or intermediate care facilities utilizing wood or light steel-frame construction.

Enforcing agency— Office of Statewide Health Planning and Development (OSHPD). The office shall also enforce the Division of the State Architect—Access Compliance regulations and the regulations of the Office of the State Fire Marshal for the above-stated facility type.

106.2.1 Applicable administrative standards.
1. Title 24, Part 1, California Code of Regulations: Chapter 7.
2. Title 24, Part 2, California Code of Regulations: Sections 1.1 and 1.10 of Chapter 1, Division I and Chapter 1, Division II.
106.2.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 9, 11 and 12.

106.2.3 Identification of amendments. For applications listed in Section 106.2, amendments appear in this code preceded with the acronym [OSHPD 2].

Authority— Health and Safety Code Sections 127010, 127015, 1275 and 129850.

Reference— Health and Safety Code Sections 127010, 127015, 1275 and 129680.

106.3 OSHPD 4. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

Application— Correctional treatment centers.
CRSC § 2202.2 Medium relevance — show source text
Seismic provisions 2202.2, 2204.2, 2206.1.1, 2207.1.1, 2209.2, 2210.2 Special inspections 1705.3 Stainless Steel 1705.2.2, 2203, 2205 Stairs, ladders and guarding for steel storage racks and industrial steel work platforms 2213 Storage racks 2209, 2213 Structural steel 2202

Stone Masonry 2103.1, 2113.11.2.1 Stone Veneer 1404.8 Slab-type 1404.9 Stop Work Orders 115 Storage Occupancy (Group S) 311 Accessibility Chapter 11B Accessory 311.1.1 Area 406.5.4, 406.5.5, 406.6.1, 503, 505, 506, 507, 508 Equipment platforms 505.2 Group provisions Hazard storage, low, Group S-2 311.3 Hazard storage, moderate, Group S-1 311.2 Hazardous material display and storage 414.2.5 Height 406.5.4, 406.6.1, 503, 504, 505, 508, 510 Incidental uses 509

Interior finishes Table 803.13, 804 Live loads Table 1607.1 Means of egress Aisles 1018.5

Stairway, exit access 1019 Travel distance 1006.3, 1017.2, 1017.2.2, 1006.2.1 Mixed occupancies 508.3, 508.4 Accessory 311.1.1, 508.2 Parking above/below 510.3, 510.4, 510.7, 510.8, 510.9 Special mixed 510.2

Occupancy exception 311.1.1 Plumbing fixtures Chapter 29 Self-service storage 311.2 Special provisions Aircraft related occupancies 412 High-piled combustible 413 Parking garages 406, 510 Sprinkler protection 903.2.10 Unlimited area 507.3, 507.4, 507.5 Storage Racks, Steel 2209 Storm Shelter 423

Education 423.5 Emergency operation facilities 423.4 Refuge area (see Refuge Area) Risk category 1604.5.1 Strength Design requirements 1604.2 Strength Design 1604.1 Factored load 202

Limit state 202

Load combinations 1605

Load factor 202

Masonry 2108 Structural Composite Lumber 2303.1.10, Table 2304.11 Structural Design Chapter 16, 107.2.7, Chapter 16A Aluminum Chapter 20 Concrete Chapters 19 and 19A Foundations Chapters 18 and 18A Masonry Chapters 21 and 21A Steel Chapters 22 and 22A Wood Chapter 23 Structural Glued-Laminated

Timber 2303.1, Table 2306.1 Structural Observation 1704.6

Stucco 2512
CRSC § 1-15 Medium relevance — show source text
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ADMINISTRATION

1.10.1.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10 and 11.

The provisions of Title 24, Part 2, as adopted and amended by OSHPD, shall apply to the applications listed in Section 1.10.1.

OSHPD 1 adopts the following building standards in Title 24, Part 2:

Chapters 2 through 10, 12, 14, 15, 16A, 17A, 18A, 19A, 20, 21A, 22A, 23, 24, 25, 26, 30, 31, 32, 33, 35 and Appendix L.

OSHPD 1R adopts the following building standards in Title 24, Part 2:

Chapters 2 through 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 30, 31, 32, 33 and 35.

1.10.1.3 Identification of amendments. For applications listed in Section 1.10.1, amendments appear in this code preceded with the acronym [OSHPD 1], unless the entire chapter is applicable. For nonconforming hospital buildings removed from acute-care service, amendments are preceded with the acronym [OSHPD 1R].

1.10.1.4 Reference to other chapters. Where reference is made within this code to sections in Chapters 16, 17, 18, 19, 21 and 22, the respective sections in Chapters 16A, 17A, 18A, 19A, 21A and 22A shall apply instead for hospital buildings under OSHPD 1.

Authority— Health and Safety Code Sections 127010, 127015, 1275 and 129850.

References— Health and Safety Code Sections 19958, 127010, 127015, 129680, 1275 and 129675 through 130070.

1.10.2 OSHPD 2. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

Application— Skilled nursing facility and intermediate care facility buildings.

Enforcing agency— Health Care Access and Information/Office of Statewide Hospital Planning and Development (OSHPD). The office shall also enforce the California Energy Commission—Energy Regulations, the Division of the State Architect—Access Compliance regulations and the regulations of the Office of the State Fire Marshal for the above-stated facility type.

1.10.2.1 Applicable administrative standards. 1. Title 24, Part 1, California Code of Regulations: Chapter 7. 2. Title 24, Part 2, California Code of Regulations: Sections 1.1 and 1.10, Chapter 1, Division I, and as adopted in Chapter 1, Division II.

CRSC § 0.2 Medium relevance — show source text

Deduct 0.2 from the required EERs and IPLVs for units with a heating section other than electric resistance heat.|1. IPLVs are only applicable to equipment with capacity modulation.
2. Deduct 0.2 from the required EERs and IPLVs for units with a heating section other than electric resistance heat.|1. IPLVs are only applicable to equipment with capacity modulation.
2. Deduct 0.2 from the required EERs and IPLVs for units with a heating section other than electric resistance heat.|1. IPLVs are only applicable to equipment with capacity modulation.
2. Deduct 0.2 from the required EERs and IPLVs for units with a heating section other than electric resistance heat.|

TABLE A6.207.1-B— UNITARY AND APPLIED HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTS	Col2	Col3	Col4	Col5	Col6
EQUIPMENT TYPE	SIZE CATEGORY	SUBCATEGORY OR RATING CONDITION	EFFICIENCY1	EFFICIENCY1	TEST PROCEDURE
EQUIPMENT TYPE	SIZE CATEGORY	SUBCATEGORY OR RATING CONDITION	Before 1/1/2010	After 1/1/2010	After 1/1/2010
Air cooled (cooling mode)	≥ 65,000 Btu/h and < 135,000 Btu/h	Split system and single package	10.1 EER2	11.0	ARI 340/360
Air cooled (cooling mode)	≥ 135,000 Btu/h and < 240,000 Btu/h	≥ 135,000 Btu/h and < 240,000 Btu/h	9.3 EER2	10.6	10.6
Air cooled (cooling mode)	≥ 240,000 Btu/h	≥ 240,000 Btu/h	9.0 EER2 and 9.2 IPLV2	9.5 EER2 and 9.2 IPLV2	9.5 EER2 and 9.2 IPLV2
Air cooled (heating mode)	≥ 65,000 Btu/h and < 135,000 Btu/h (Cooling capacity)	47°F db/43°F wb outdoor air	3.2 COP	3.3 COP	ARI 210/240
Air cooled (heating mode)	≥ 135,000 Btu/h (Cooling capacity)	47°F db/43°F wb outdoor air	3.1 COP	3.2 COP	ARI 340/360
1. IPLVs and Part load rating conditions are applicable only to equipment with capacity modulation. 2. Deduct 0.2 from the required EERs and IPLVs for units with a heating section other than electric resistance heat.	1. IPLVs and Part load rating conditions are applicable only to equipment with capacity modulation. 2. Deduct 0.2 from the required EERs and IPLVs for units with a heating section other than electric resistance heat.	1. IPLVs and Part load rating conditions are applicable only to equipment with capacity modulation. 2.

CRSC § 1.9.2.2.1 Medium relevance — show source text
1.9.2.2.1 Applicable administrative standards.

1. Title 24, Part 1, California Code of Regulations: 1.1. Sections 4-301 through 4-355, Group 1, and Sections 4-401 through 4-435, Group 2, Chapter 4. 2. Title 24, Part 2, California Code of Regulations: 2.1. Sections 1.1 and 1.9.2 of Chapter 1, Division I. 2.2. Sections 102.1, 102.2, 102.3, 102.4, 102.5, 104.2.3, 104.9, 104.10, 106.1, 107.2.5, 110.3.5 and 110.3.7 of Chapter 1, Division II.

1.9.2.2.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10, 11 and 12, Califor- nia Code of Regulations.

The Division of the State Architect-Structural Safety/Community Colleges [DSA-SS/CC] adopts the following building standards in Title 24, Part 2:

Chapters 2 through 10, 12, 14, 15, 16, 17A, 18A, 19, 20, 21, 22, 23, 24, 25, 26, 30, 31, 32, 33 and 35.

1.9.2.2.3 Identification of amendments. Division of the State Architect—Structural Safety/Community Colleges amendments in this code appear preceded with the acronym [DSA-SS/CC].

Exception: Chapters 17A, and 18A—Amendments appearing in these chapters without an acronym have been co-adopted by DSA-SS, DSA-SS/CC and OSHPD.

1.9.2.2.4 Reference to other chapters. Where reference is made within the California Building Standards Code (CBSC) to sections in Chapters 17 and 18, the respective sections in Chapters 17A and 18A shall apply instead.

SECTION 1.10—DEPARTMENT OF HEALTH CARE ACCESS AND

INFORMATION/OFFICE OF STATEWIDE HOSPITAL PLANNING AND DEVELOPMENT

1.10.1 OSHPD 1 and OSHPD 1R. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

Application— [OSHPD 1] General acute care hospital buildings. [OSHPD 1R] Nonconforming hospital SPC or freestanding buildings that have been removed from acute-care service.

Enforcing agency— Health Care Access and Information/Office of Statewide Hospital Planning and Development (OSHPD). The office shall enforce the California Energy Commission—Energy Regulations, the Division of the State Architect—Access Compliance regula- tions and the regulations of the Office of the State Fire Marshal for the above stated facility types.
CRSC § 95833-2936 Medium relevance — show source text
The referenced standards contained in Part 12 are developed by the state agencies listed herein. The Part 12 Cross Reference Table herein identifies the state agency to which the standard applies, the subject of the standard and the provisions in other parts of Title 24 where the application of the standard is required.

Should you find publication (e.g., typographical) errors or inconsistencies in this code or wish to offer comments toward improving its format, please address your comments to:

California Building Standards Commission 2525 Natomas Park Drive, Suite 130 Sacramento, CA 95833-2936

Phone: (916) 263-0916 Email: cbsc@dgs.ca.gov

Web page: www.dgs.ca.gov/bsc

ACKNOWLEDGMENTS

The 2025 California Building Standards Code (Code) was developed through the outstanding collaborative efforts of the Department of Housing and Community Development, Division of the State Architect, Office of the State Fire Marshal, Department of Health Care Access and Information, California Energy Commission, California Department of Public Health, California State Lands Commission, Board of State and Community Corrections, Department of Water Resources, State Historical Building Safety Board, Department of Consumer Affairs, State Librarian, Department of Food and Agriculture, and the California Building Standards Commission (Commission).

This collaborative effort included the assistance of the Commission’s Code Advisory Committees and many other volunteers who worked tirelessly to assist the Commission in the production of this Code.

Governor Gavin Newsom

Members of the California Building Standards Commission

Secretary Amy Tong – Chair Rajesh Patel – Vice-Chair

Erick Mikiten Elley Klausbruckner Aaron Stockwell Juvilyn Alegre Peter Santillan Kent Sasaki

Laura Rambin James Haskin

Frank Ramirez

Stoyan Bumbalov – Executive Director Kevin Day – Deputy Executive Director

For questions on California state agency amendments, please refer to the contact list on page v.

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CALIFORNIA CODE OF REGULATIONS, TITLE 24

California State Agency Contact List

The following state agencies may propose building standards for buildings, structures and applications under their authority for publication in Title 24. Notice of such proposals may be requested from each agency. See Sections 1.2 through 1.14 of the California Building Code (Part 2, T24) for detailed information on the regulatory authority of most state agencies summarized below. Note [agency acronyms] shown in banners/Matrix Adoption Tables in T24.

Board of State and Community Corrections [BSCC] bscc.ca.gov BSCC-Mail@bscc.ca.gov

(916) 445-5073 Local Detention Facilities

Building Standards Commission [BSC, BSC-CG]

dgs.ca.gov/BSC cbsc@dgs.ca.gov

(916) 263-0916 State Buildings including UC & CSU Nonresidential Green Buildings Standards

Department of Consumer Affairs Boards/Bureaus:

Acupuncture Board [CA]

acupuncture.ca.gov AcuPolicy@dca.ca.gov (916) 515-5200 Acupuncture Offices
CRSC § 7.2 Medium relevance — show source text
[7.2] Ferritto, J., Dickenson, S., Priestley N., Werner, S., Taylor, C., Burke D., Seelig W., and Kelly, S., 1999, “Seismic Criteria for Califor- nia Marine Oil Terminals, Vol.1 and Vol.2,” Technical Report TR-2103-SHR, Naval Facilities Engineering Service Center, Port Hueneme, CA.

[7.3] American Society of Civil Engineers (ASCE), 2017, ASCE/SEI 41-17 (ASCE/SEI 41), “Seismic Evaluation and Retrofit of Existing Buildings,” Reston, VA.

[7.4] Blakeley, J.P., Park, R., “Prestressed Concrete Sections with Cyclic Flexure,” Journal of the Structural Division, American Society of Civil Engineers, Vol. 99, No. ST8, August1973, pp. 1 71 7-1 742, Reston, VA.

[7.5] American Society of Civil Engineers (ASCE), 2014, ASCE/COPRI 61-14 (ASCE/COPRI 61), “Seismic Design of Piers and Wharves,” Reston, VA.

[7.6] Port of Long Beach (POLB), 2012 February 29, “Wharf Design Criteria,” Version 3.0, Long Beach, CA.

[7.7] American Concrete Institute (ACI), 2014, ACI 318-14 (ACI 318), “Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary (ACI 318R-14),” Farmington Hills, MI.

[7.8] Applied Technology Council (ATC), 1996, ATC-32, “Improved Seismic Design Criteria for California Bridges: Provisional Recom- mendations,” Redwood City, CA.

[7.9] Kowalski, M.J. and Priestley, M.J.N., June 1998, “Shear Strength of Ductile Bridge Columns,” Proc. 5th Caltrans Seismic Design Workshop, Sacramento, CA.

[7.10] American Institute of Steel Construction Inc. (AISC), 2017, AISC 325-17 (AISC 325), “Steel Construction Manual,” 15th ed., Chicago, IL.

[7.11] American Wood Council (AWC), 2017, ANSI/AWC NDS-2018 (ANSI/AWC NDS) “National Design Specification (NDS) for Wood Construction,” Washington, D.C.

[7.12] Department of Defense, 10 September 2001 (Revised 1 September 2012), Unified Facilities Criteria (UFC) 4-151-10, “General Criteria for Waterfront Construction,” Washington, D.C.

[7.13] Department of Defense, 01 November 2012, Unified Facilities Criteria (UFC) 3-220-01, “Geotechnical Engineering,” Washington, D.C.

[7.14] Chai, Y.H., “Flexural Strength and Ductility of Extended Pile-Shafts, I: Analytical Model,” Journal of Structural Engineering, May 2002, pp. 586–594.
CRSC § 1-16 Medium relevance — show source text
Application— Correctional treatment centers.

Enforcing agency— Health Care Access and Information/Office of Statewide Hospital Planning and Development (OSHPD). The office shall also enforce the California Energy Commission—Energy Regulations, the Division of the State Architect—Access Compliance regulations and the regulations of the Office of the State Fire Marshal for the above-stated facility types.

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ADMINISTRATION

1.10.4.1 Applicable administrative standards. 1. Title 24, Part 1, California Code of Regulations: Chapter 7. 2. Title 24, Part 2, California Code of Regulations: Sections 1.1 and 1.10, Chapter 1, Division I, and as adopted in Chapter 1, Division II.

1.10.4.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10 and 11.

The provisions of Title 24, Part 2, as adopted and amended by OSHPD, shall apply to the applications listed in Section 1.10.4.

OSHPD 4 adopts the following building standards in Title 24, Part 2:

Chapters 2 through 10, 12, 14, 15, 16A, 17A, 18A, 19A, 20, 21A, 22A, 23, 24, 25, 26, 30, 31, 32, 33, 35 and Appendix L.

1.10.4.3 Identification of amendments. For applications listed in Section 1.10.4, amendments appear in this code preceded with the acronym [OSHPD 4], unless the entire chapter is applicable.

1.10.4.4 Reference to other chapters. Where reference is made within this code to sections in Chapters 16, 17, 18, 19, 21 and 22, the respective sections in Chapters 16A, 17A, 18A, 19A, 21A and 22A shall apply instead.

Authority— Health and Safety Code Sections 127010, 127015 and 129790.

References— Health and Safety Code Sections 127010, 127015, 1275 and 129675 through 130070.

1.10.5 OSHPD 5. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

Application— Acute psychiatric hospital buildings.

Enforcing agency— Health Care Access and Information/Office of Statewide Hospital Planning and Development (OSHPD). The office shall also enforce the California Energy Commission—Energy Regulations, the Division of the State Architect—Access Compliance regulations and the regulations of the Office of the State Fire Marshal for the above-stated facility type.
CRSC § 803.1.1.1 Medium relevance — show source text
Exception: Where the interior trim material has been tested as an interior finish in accordance with NFPA 286 and complies with the acceptance criteria in Section 803.1.1.1, it is not required to be tested for flame spread index in accordance with ASTM E84 or UL 723.

804.3 New interior floor finish. New interior floor finish and floor covering materials in new and existing buildings shall comply with Sections 804.3.1 through 804.3.3.2.

Exception: Floor finishes and coverings of a traditional type, such as wood, vinyl, linoleum or terrazzo, and resilient floor covering materials that are not composed of fibers.

804.3.1 Classification. Interior floor finish and floor covering materials required by Section 804.3.3.2 to be of Class I or II materials shall be classified in accordance with ASTM E648 or NFPA 253. The classification referred to herein corresponds to the classifications determined by ASTM E648 or NFPA 253 as follows: Class I, 0.45 watts/cm [2] or greater; Class II, 0.22 watts/cm [2] or greater.

804.3.2 Testing and identification. Interior floor finish and floor covering materials shall be tested by an approved agency in accordance with ASTM E648 or NFPA 253 and identified by a hang tag or other suitable method so as to identify the manufacturer or supplier and style, and shall indicate the interior floor finish or floor covering classification in accordance with Section 804.3.1. Carpet-type floor coverings shall be tested as proposed for use, including underlayment. Test reports confirming the information provided in the manufacturer’s product identification shall be furnished to the fire code official upon request.

804.3.3 Interior floor finish requirements. New interior floor covering materials shall comply with Sections 804.3.3.1 and 804.3.3.2, and interior floor finish materials shall comply with Section 804.3.1.

804.3.3.1 Test requirement. In all occupancies, interior floor finish and interior floor covering materials shall comply with the requirements of ASTM Standard E648, and having a specific optical density smoke rating not to exceed 450 per ASTM E662. For Group I-3 occupancies and Group I-2 areas where patients are restrained, see Section 804.3.3.3.

804.3.3.2 Minimum critical radiant flux. In all occupancies, new interior floor finish and floor covering materials in enclosures for stairways and ramps, exit passageways, corridors and rooms or spaces not separated from corridors by full-height partitions extending from the floor to the underside of the ceiling shall withstand a minimum critical radiant flux. The minimum critical radiant flux shall be not less than Class I in Groups I-2 and I-3 areas where restraint is not used and R-2.1 and not less than Class II in Groups A, B, E, H, I-4, M, R-1, R-2, R-2.2 and S.

Exception: Where a building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2, Class II materials shall be permitted in any area where Class I materials are required and materials complying with ASTM Standard E648, and having a specific optical density smoke rating not to exceed 450 per ASTM E662 are permitted in any area where Class II materials are required.
CRSC § 100.0 Medium relevance — show source text
2025 CRSC Reference Standard Code

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PREFACE

This document is Part 12 of thirteen parts of the official triennial compilation and publication of the adoptions, amendments and repeal of administrative regulations to California Code of Regulations, Title 24, also referred to as the California Building Standards Code. This part is known as the California Referenced Standards Code.

The California Building Standards Code is published in its entirety every three years by order of the California legislature, with supplements published in intervening years. The California legislature delegated authority to various state agencies, boards, commissions and departments to create building regulations to implement the State’s statutes. These building regulations, or standards, have the same force of law, and take effect 180 days after their publication unless otherwise stipulated. The Califor- nia Building Standards Code applies to occupancies in the State of California as annotated.

A city, county, or city and county may establish more restrictive building standards reasonably necessary because of local climatic, geological or topographical conditions. Findings of the local condition(s) and the adopted local building standard(s) must generally be filed with the California Building Standards Commission (or other filing if indicated) to become effective, and may not be effective sooner than the effective date of this edition of the California Building Standards Code . Local building standards that were adopted and applicable to previous editions of the California Building Standards Code do not apply to this edition without appropriate adoption and the required filing.

The referenced standards contained in Part 12 are developed by the state agencies listed herein. The Part 12 Cross Reference Table herein identifies the state agency to which the standard applies, the subject of the standard and the provisions in other parts of Title 24 where the application of the standard is required.

Should you find publication (e.g., typographical) errors or inconsistencies in this code or wish to offer comments toward improving its format, please address your comments to:

California Building Standards Commission 2525 Natomas Park Drive, Suite 130 Sacramento, CA 95833-2936

Phone: (916) 263-0916 Email: cbsc@dgs.ca.gov

Web page: www.dgs.ca.gov/bsc

ACKNOWLEDGMENTS

The 2025 California Building Standards Code (Code) was developed through the outstanding collaborative efforts of the Department of Housing and Community Development, Division of the State Architect, Office of the State Fire Marshal, Department of Health Care Access and Information, California Energy Commission, California Department of Public Health, California State Lands Commission, Board of State and Community Corrections, Department of Water Resources, State Historical Building Safety Board, Department of Consumer Affairs, State Librarian, Department of Food and Agriculture, and the California Building Standards Commission (Commission).

This collaborative effort included the assistance of the Commission’s Code Advisory Committees and many other volunteers who worked tirelessly to assist the Commission in the production of this Code.

Governor Gavin Newsom

Members of the California Building Standards Commission

Secretary Amy Tong – Chair Rajesh Patel – Vice-Chair
CRSC § 1.9.2.2.2 Medium relevance — show source text
1.9.2.2.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10, 11 and 12, California Code of Regulations.

The provisions of Title 24, Part 10, as adopted and amended by the Division of the State Architect—Structural Safety/Community Colleges [DSA-SS/CC], shall apply to the applications listed in Section 1.9.2.2.

The Division of the State Architect—Structural Safety/Community Colleges [DSA-SS/CC] adopts the following building standards in Title 24, Part 10:

Chapters 1, 3 and 5.

1.9.2.2.3 Amendments. Division of the State Architect—Structural Safety/Community Colleges amendments in this code appear preceded with the acronym [DSA-SS/CC].

Exception: Chapter 3, Sections 317-323—DSA-SS/CC adopts these sections without the use of the DSA-SS/CC acronym.

1.9.2.2.4 Reference to other chapters. For community colleges, where reference is made to sections in Chapters 17 or 18 of the California Building Code, the provisions in Chapters 17A and 18A of the California Building Code, respectively, shall apply instead.

SECTION 1.10—DEPARTMENT OF HEALTH CARE ACCESS AND INFORMATION/ OFFICE OF STATEWIDE HOSPITAL PLANNING AND DEVELOPMENT

1.10.1 OSHPD 1 and OSHPD 1R. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

Application [OSHPD 1] General acute care hospital buildings. [OSHPD 1R] Nonconforming hospital SPC or freestanding buildings that have been removed from acute care service.

Enforcing agency— Health Care Access and Information/Office of Statewide Hospital Planning and Development (OSHPD). The office shall enforce the California Energy Commission – Energy Regulations, the Division of the State Architect—Access Compliance regulations, and the regulations of the Office of the State Fire Marshal for the above-stated facility types.

1.10.1.1 Applicable administrative standards. 1. Title 24, Part 1, California Code of Regulations: Chapters 6 and 7. 2. Title 24, Part 2, California Code of Regulations: Sections 1.1 and 1.10, Chapter 1, Division I, and as adopted in Chapter 1, Division II.

3. Title 24, Part 10, California Code of Regulations: Sections 1.1 and 1.10, Chapter 1, Division I, and as adopted in Chapter 1, Division II.

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ADMINISTRATION

1.10.1.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10 and 11.
CRSC § 1.9.2.2.3 Medium relevance — show source text
1.9.2.2.3 Identification of amendments. Division of the State Architect—Structural Safety/Community Colleges amendments in this code appear preceded with the acronym [DSA-SS/CC].

Exception: Chapters 17A, and 18A—Amendments appearing in these chapters without an acronym have been co-adopted by DSA-SS, DSA-SS/CC and OSHPD.

1.9.2.2.4 Reference to other chapters. Where reference is made within the California Building Standards Code (CBSC) to sections in Chapters 17 and 18, the respective sections in Chapters 17A and 18A shall apply instead.

SECTION 1.10—DEPARTMENT OF HEALTH CARE ACCESS AND

INFORMATION/OFFICE OF STATEWIDE HOSPITAL PLANNING AND DEVELOPMENT

1.10.1 OSHPD 1 and OSHPD 1R. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

Application— [OSHPD 1] General acute care hospital buildings. [OSHPD 1R] Nonconforming hospital SPC or freestanding buildings that have been removed from acute-care service.

Enforcing agency— Health Care Access and Information/Office of Statewide Hospital Planning and Development (OSHPD). The office shall enforce the California Energy Commission—Energy Regulations, the Division of the State Architect—Access Compliance regula- tions and the regulations of the Office of the State Fire Marshal for the above stated facility types.

1.10.1.1 Applicable administrative standards. 1. Title 24, Part 1, California Code of Regulations: Chapters 6 and 7. 2. Title 24, Part 2, California Code of Regulations: Sections 1.1 and 1.10, Chapter 1, Division I, and as adopted in Chapter 1, Divi- sion II.

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ADMINISTRATION

1.10.1.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10 and 11.

The provisions of Title 24, Part 2, as adopted and amended by OSHPD, shall apply to the applications listed in Section 1.10.1.

OSHPD 1 adopts the following building standards in Title 24, Part 2:

Chapters 2 through 10, 12, 14, 15, 16A, 17A, 18A, 19A, 20, 21A, 22A, 23, 24, 25, 26, 30, 31, 32, 33, 35 and Appendix L.

OSHPD 1R adopts the following building standards in Title 24, Part 2:

Chapters 2 through 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 30, 31, 32, 33 and 35.
CRSC § 12-11 Medium relevance — show source text
DETECTABLE WARNING PRODUCTS

Sections 12-11A.203 and 12-11B.203. Must comply with the California Code of Regulations, Title 24.

DIRECTIONAL SURFACES

Sections 12-11A.204 and 12-11B.204. Must comply with the California Code of Regulations, Title 24.

INDEPENDENT ENTITY

Sections 12-11A.205 and 12-11B.205. Evaluation by an independent entity to confirm the prescriptive and performance standard of detectable warning products or direction surfaces installed after January 1, 2001. An independent entity is a not-for-profit product safety testing and certification organization, dedicated to testing for public safety. An independent entity would operate for the testing, certification and quality assessment of products, systems and services.

TWO-YEAR APPROVAL

Sections 12-11A.206 and 12-11B.206. Detectable warning products and directional surfaces are to be recertified every two years without exception or waiver.

FEE

Sections 12-11A.207 and 12-11B.207. The Division of the State Architect-Access Compliance may impose a fee on manufacturers of the specified products, to cover the cost of detectable warning products and directional surfaces.

DISABILITY ACCESS ACCOUNT

Sections 12-11A.208 and 12-11B.208. The fees received from manufacturers will be placed in the Disability Access Account.

DETECTABLE WARNING PRODUCTS AND DIRECTIONAL SURFACES

Sections 12-11A.209 and 12-11B.209. Detectable Warning Products and Directional Surfaces must ensure consistency and uniformity: (a) Shape, (b) Color fastness,

(c) Conformation, (d) Sound-on-cane acoustic quality, (e) Resilience, and (f) Attachment will not degrade significantly for at least five years.

SIGNIFICANT DEGRADATION

Sections 12-11A.210 and 12-11B.210. Significant degradation means that the product maintains at least 90 percent of its approved design characteristics.

SELECTION OF INDEPENDENT ENTITY

Sections 12-11A.211 and 12-11B.211. The independent entity selected by the Division of the State Architect-Access Compliance shall be recognized as having appropriate expertise in determining whether products comply with the California Code of Regulations, Title 24.

Authority: Government Code Sections 4450, 4460 and Health & Safety Code Section 18949.1.

Reference: Government Code Section 4460.

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12-13 STANDARDS FOR INSULATING MATERIAL

(See Part 6, Title 24, CCR)

DEPARTMENT OF CONSUMER AFFAIRS

Bureau of Household Goods and Services
CRSC § 12-10 Medium relevance — show source text
(f) Release bar deformation. The cross-bar on a 36-inch (914 mm) wide door shall not be permanently set or deformed in excess of [1] / 4 inch (6 mm), by the test; a spacing of at least 1 inch (25 mm) is to be provided and maintained between the cross-bar and the face of the door when the horizontal force is applied against the cross-bar.

MARKING

Sec. 12-10-306. The listee’s name (or approved symbol), type or model designation shall be plainly marked on the releasing assembly. Devices and assemblies which are not listed by an approved listing agency for the intended purpose shall bear a label or other identifying markings as approved by the State Fire Marshal.

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CHAPTERS

12-11A and 11B BUILDING AND FACILITY ACCESS SPECIFICATIONS

Detectable warning products and directional surfaces installed after January 1, 2001, shall be evaluated by an independent entity, selected by the Department of General Services, Division of the State Architect-Access Compliance, for all occupancies, including transportation and other outdoor environments, except that when products and surfaces are for use in residential housing evaluation shall be in consultation with the Department of Housing and Community Development. See Government Code Section 4460.

PRODUCT APPROVAL FOR DETECTABLE WARNING PRODUCTS AND DIRECTIONAL SURFACES

SCOPE

Sections 12-11A.202 and 12-11B.202. These requirements and test methods apply to detectable warning products and directional surfaces.

DETECTABLE WARNING PRODUCTS

Sections 12-11A.203 and 12-11B.203. Must comply with the California Code of Regulations, Title 24.

DIRECTIONAL SURFACES

Sections 12-11A.204 and 12-11B.204. Must comply with the California Code of Regulations, Title 24.

INDEPENDENT ENTITY

Sections 12-11A.205 and 12-11B.205. Evaluation by an independent entity to confirm the prescriptive and performance standard of detectable warning products or direction surfaces installed after January 1, 2001. An independent entity is a not-for-profit product safety testing and certification organization, dedicated to testing for public safety. An independent entity would operate for the testing, certification and quality assessment of products, systems and services.

TWO-YEAR APPROVAL

Sections 12-11A.206 and 12-11B.206. Detectable warning products and directional surfaces are to be recertified every two years without exception or waiver.

FEE

Sections 12-11A.207 and 12-11B.207. The Division of the State Architect-Access Compliance may impose a fee on manufacturers of the specified products, to cover the cost of detectable warning products and directional surfaces.

DISABILITY ACCESS ACCOUNT

Sections 12-11A.208 and 12-11B.208. The fees received from manufacturers will be placed in the Disability Access Account.

DETECTABLE WARNING PRODUCTS AND DIRECTIONAL SURFACES

Sections 12-11A.209 and 12-11B.209. Detectable Warning Products and Directional Surfaces must ensure consistency and uniformity: (a) Shape, (b) Color fastness,
CRSC § 12-10 Medium relevance — show source text
CHAPTER 12-10-1 EXITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

CHAPTER 12-10-2 EXITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

CHAPTER 12-10-3 EXITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

CHAPTERS 12-11A AND 12-11B

BUILDING AND FACILITY ACCESS

SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . 85

CHAPTER 12-12 RESERVED . . . . . . . . . . . . . . . . . . . . . . . . . 87

CHAPTER 12-13 STANDARDS FOR INSULATING

MATERIAL. . . . . . . . . . . . . . . . . . . . . . . . . . 89

CHAPTER 12-16-1 ENGINEERING REGULATIONS—QUALITY

AND DESIGN OF THE MATERIALS OF

CONSTRUCTION . . . . . . . . . . . . . . . . . . . 101

CHAPTER 12-16-2 ENGINEERING REGULATIONS—QUALITY

AND DESIGN OF THE MATERIALS OF

CONSTRUCTION . . . . . . . . . . . . . . . . . . . 103

CHAPTER 12-31C RADIATION SHIELDING STANDARDS . . 105

CHAPTER 12-71 AIR FILTERS. . . . . . . . . . . . . . . . . . . . . . . 107

CHAPTER 12-72-1 PROTECTIVE SIGNALING SYSTEMS . . . 109

CHAPTER 12-72-2 PROTECTIVE SIGNALING SYSTEMS . . . 123

CHAPTER 12-72-3 PROTECTIVE SIGNALING SYSTEMS . . . 133

HISTORY NOTE APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

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PART 12 CROSS REFERENCE TABLE

(Cross reference table is nonregulatory, intended only as an aid to the code user.)
CRSC § 12-11 Medium relevance — show source text
(c) Conformation, (d) Sound-on-cane acoustic quality, (e) Resilience, and (f) Attachment will not degrade significantly for at least five years.

SIGNIFICANT DEGRADATION

Sections 12-11A.210 and 12-11B.210. Significant degradation means that the product maintains at least 90 percent of its approved design characteristics.

SELECTION OF INDEPENDENT ENTITY

Sections 12-11A.211 and 12-11B.211. The independent entity selected by the Division of the State Architect-Access Compliance shall be recognized as having appropriate expertise in determining whether products comply with the California Code of Regulations, Title 24.

Authority: Government Code Sections 4450, 4460 and Health & Safety Code Section 18949.1.

Reference: Government Code Section 4460.

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12-13 STANDARDS FOR INSULATING MATERIAL

(See Part 6, Title 24, CCR)

DEPARTMENT OF CONSUMER AFFAIRS

Bureau of Household Goods and Services

ARTICLE 3. STANDARDS FOR INSULATING MATERIAL

APPLICATION AND SCOPE

Sec. 12-13-1551.

(a) This article establishes standards governing the quality of insulation sold within the state after September 22, 1981, including those properties which affect the safety and thermal performance of insulation during application and in the use intended.

(b) The provisions of this article shall apply only to the following types of insulating material:
1. Aluminum foil (reflective foil);
2. Cellular glass (board form);
3. Cellulose fiber (loose fill and spray applied);
4. Mineral aggregate (board form);
5. Mineral fiber (blankets, board form, loose fill);
6. Perlite (loose fill);
7. Polystyrene (board form, molded and extruded);
8. Polyurethane (board form and field applied);
9. Polyisocyanurate (board form and field applied);
10. Urea formaldehyde foam (field applied);
11. Vermiculite (loose fill).
(c) The provisions of this article shall apply to the sale of insulating material within the state. The provisions of this article shall not apply to insulating material manufactured in California, but sold outside the state, nor to insulating material manufactured outside California and sold wholesale in California for final retail sale outside the state. For the purpose of this article, the sale of a building or an appliance which contains installed insulating material is not considered the sale of the insulating material.

(d) Any type of insulating material not listed in subsection (b) may be sold within California notwithstanding any other provision of this article.

Authority: Sections 25920 and 25922, Public Resources Code.

Reference: Sections 25910, 25920, 25921 and 25922, Public Resources Code.
CRSC § 7.14.1 Medium relevance — show source text
[NFPA 54:7.14.1] 1211.7.1 Safety Control. Any essential safety control depending on electric current as the operating medium shall be of a type that shuts off (fail safe) the flow of gas in the event of current failure. [NFPA 54:7.14.2] 1211.8 Earthquake-Actuated Gas Shutoff Valves. Earthquake-actuated gas shutoff valves designed to auto- matically shut off the gas at the location of the valve in the event of a seismic disturbance and certified by the State Architect as conforming to California Code of Regulations, Title 24, Part 12, Chapter 12-16-1, shall be provided for buildings when such installation is required by local ordi- nance. Earthquake-actuated gas shutoff valves which have not been certified by the State Architect shall be prohibited in buildings open to the public under mandatory installation by local ordinance. Installation of the valves shall be in accordance with local ordinance, and in the absence of such per the manufacturer’s installation instructions.

1212.0 Appliance and Equipment Connections to Building Piping. 1212.1 Connecting Appliances and Equipment. Appliances and equipment shall be connected to the building piping in compliance with Section 1212.6 through Section 1212.8 by one of the following: (1) Rigid metallic pipe and fittings. (2) Semirigid metallic tubing and metallic fittings. Aluminum alloy tubing shall not be used in exterior locations. (3) A connector for gas appliances listed in accordance with ANSI Z21.24/CSA 6.10. The connector shall be used in

accordance with the manufacturer’s installation instructions and shall be in the same room as the appliance. Only one connector shall be used per appliance. (4) A connector for outdoor gas appliances and manufactured homes listed in accordance with ANSI Z21.75/CSA 6.27. Only one connector shall be used per appliance. (5) CSST where installed in accordance with the manufacturer’s installation instructions. CSST shall not be directly routed into a metallic appliance enclosure where the appliance is connected to a metallic vent that terminates above a roofline. CSST shall connect only to appliances that are fixed in place. (6) Listed nonmetallic gas hose connectors in accordance with Section 1212.3.

(7) Unlisted gas hose connectors for use in laboratories and educational facilities in accordance with Section 1212.4.

[NFPA 54:9.6.1]

1212.1.1 Protection of Connectors. Connectors and tubing addressed in Section 1212.1(2), Section 1212.1(3), Section 1212.1(4), Section 1212.1(5), and Section 1212.1(6) shall be installed to be protected against physical and thermal damage. Aluminum alloy tubing and connectors shall be coated to protect against external corrosion where they are in contact with masonry, plaster, or insulation or are subject to repeated wettings by such liquids as detergents, sewage, or water other than rainwater. [NFPA 54:9.6.1.1]

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), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.

FUEL GAS PIPING
CRSC § 100.0 Medium relevance — show source text
Exception 1 to Section 100.0(f): If one occupancy constitutes at least 80 percent of the conditioned floor area of the building, the entire building envelope, HVAC and water heating may be designed to comply with the provisions of Part 6 applicable to that occupancy, provided that the applicable lighting requirements in Sections 140.6 through 140.8, 150.0(k), or 160.5 and 170.2(e) are met for each occupancy and space, and mandatory measures in Sections 110.0 through 130.5, 150.0, and 160.0 through 160.9 are met for each occupancy and space.

Exception 2 to Section 100.0(f): If one occupancy constitutes at least 90 percent of the combined conditioned plus unconditioned floor area of the building, the entire building indoor lighting may be designed to comply with only the lighting provisions of Part 6 applicable to that occupancy.

(g) Administrative requirements. Administrative requirements relating to permit requirements, enforcement by the Commission, locally adopted energy standards, interpretations, claims of exemption, approved calculation methods, rights of appeal, and certification and labeling requirements of fenestration products and roofing products are specified in California Code of Regulations, Title 24, Part 1, Sections 10-101 to 10-114.

(h) Certification requirements for manufactured equipment, products and devices. Part 6 limits the installation of manufactured equipment, products and devices to those that have been certified as specified by Sections 110.0 and 110.1. Requirements for manufactured equipment, products, and devices, when not specified in Title 24 Part 6, are specified in California Code of Regulations, Title 20, Sections 1601–1609.

Note: Authority: Sections 25213, 25218, 25218.5, 25402 and 25402.1, Public Resources Code . Reference: Sections 25007, 25008, 25218.5, 25310, 25402, 25402.1, 25402.4, 25402.5, 25402.8, and 25943, Public Resources Code .

SECTION 100.1 — DEFINITIONS AND RULES OF CONSTRUCTION

(a) Rules of Construction.
1. Where the context requires, the singular includes the plural and the plural includes the singular.
2. The use of “and” in a conjunctive provision means that all elements in the provision must be complied with or must exist to make the provision applicable. Where compliance with one or more elements suffices, or where existence of one or more elements makes the provision applicable, “or” (rather than “and/or”) is used.
3. “Shall” is mandatory and “may” is permissive.
(b) Definitions. Terms, phrases, words and their derivatives in Part 6 shall be defined as specified in Section 100.1. Terms, phrases, words and their derivatives not found in Section 100.1 shall be defined as specified in the “Definitions” chapters of Title 24, Parts 1 through 5 of the California Code of Regulations. Where terms, phrases, words and their derivatives are not defined in any of the references above, they shall be defined as specified in Webster’s Third New International Dictionary of the English Language, Unabridged (1961 edition, through the 2002 addenda), unless the context requires otherwise.
CRSC § 1.10.1.3 Medium relevance — show source text
OSHPD 1 adopts the following building standards in Title 24, Part 10: Chapters 2, 3A, 4A, 5A and 16.

OSHPD 1R adopts the following building standards in Title 24, Part 10: Chapters 2, 3, 4, 5 and 16.

1.10.1.3 Identification of amendments. For applications listed in Section 1.10.1, amendments in this code appear in this code preceded with the acronym [OSHPD 1], unless the entire chapter is applicable. For nonconforming hospital buildings removed from acute-care service, amendments are preceded with the acronym [OSHPD 1R].

1.10.1.4 Reference to other chapters. Where reference is made within the California Building Standards Code to sections in Chapters 3, 4 and 5, the respective section in Chapters 3A, 4A and 5A, shall apply instead for hospital buildings under OSHPD 1.

Authority— Health and Safety Code Sections 127010, 127015, 1275 and 129850.

References— Health and Safety Code Sections 19958, 127010, 127015, 129680, 1275 and 129675 through 130070.

1.10.2 OSHPD 2. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

Application— Skilled nursing facility and intermediate care facility buildings.

Enforcing agency— Health Care Access and Information/Office of Statewide Hospital Planning and Development (OSHPD). The office shall enforce the California Energy Commission – Energy Regulations, the Division of the State Architect—Access Compliance regulations, and the regulations of the Office of the State Fire Marshal for the above-stated facility types.

1.10.2.1 Applicable administrative standards. 1. Title 24, Part 1, California Code of Regulations: Chapter 7. 2. Title 24, Part 2, California Code of Regulations: Sections 1.1 and 1.10, Chapter 1, Division I, and as adopted in Chapter 1, Division II.

3. Title 24, Part 10, California Code of Regulations: Sections 1.1 and 1.10, Chapter 1, Division I, and as adopted in Chapter 1, Division II.

1.10.2.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10 and 11.

The provisions of Title 24, Part 10, as adopted and amended by OSHPD, shall apply to the applications listed in Section 1.10.2.

OSHPD 2 adopts the following building standards in Title 24, Part 10: Chapters 2, 3, 4, 5 and 16.

1.10.2.3 Identification of amendments. For applications listed in Section 1.10.2, amendments in this code appear in this code preceded with the acronym [OSHPD 2], unless the entire chapter is applicable.

Authority— Health and Safety Code Sections 127010, 127015, 1275 and 129850.
CRSC § 64703-64705. Medium relevance — show source text
This installed weight per square foot shall conform with the manufacturer’s installed design density per square foot at the manufacturer’s labeled R -value.

(b) Water heater insulation kits. No water heater insulation kit shall be sold, on or after March 25, 1982, unless it has a thermal resistance of at least R-6 and is so identified.

Each water heater insulation kit sold shall include instructions which are equivalent to the Department of Energy standard practice for the installation of insulation on gas-fired, oil-fired and electric resistance water heaters, 44 Fed. Reg. pages 64703-64705.

Authority: Section 25922, Public Resources Code.

Reference: Section 25922, Public Resources Code.

HISTORY:
1. Amendment filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).
2. Editorial correction of subsection (a) filed 1-13-82 (Register 82, No. 2).
INTERPRETATION

Sec. 12-13-1565.

The General Counsel of the Commission shall make a determination as to the application or interpretation of any provision of this article to any person requesting such a determination. Any such request shall be submitted in writing to the Commission. The Commission shall make written replies to such inquiries and shall widely publish interpretations that have broad application or interest.

Authority: Section 25218 (e), Public Resources Code.

Reference: Sections 25920 and 25922, Public Resources Code.

HISTORY:
1. Amendment filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).
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12-16-1 ENGINEERING REGULATIONS—QUALITY AND

DESIGN OF THE MATERIALS OF CONSTRUCTION

CALIFORNIA STANDARD FOR EARTHQUAKE-ACTUATED AUTOMATIC GAS SHUTOFF SYSTEMS (SEE CCR TITLE 24, PART 2, CHAPTERS 16 AND 16A, AND CCR TITLE 24, PART 5, CHAPTER 12) STANDARD 12-16-1

DIVISION OF THE STATE ARCHITECT

Authority: Sections 19180–19183, Health and Safety Code. Reference: Section 19182, Health and Safety Code.

DIVISION 1—CONSTRUCTION

SCOPE

Sec. 12-16-101. The American Society of Civil Engineers (ASCE) requirements for “Earthquake-Actuated Automatic Gas Shutoff Devices,” ANSI/ASCE/SEI 25-16 (copyright 2016 by ASCE), shall be the applicable standard used by the Division of the State Architect for the certification of these devices.

Sec. 12-16-101.1. Each installation of a customer-owned device that satisfies this standard shall be in accordance with the California Plumbing Code (CCR Title 24, Part 5).

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12-16-2 ENGINEERING REGULATIONS—QUALITY AND
CRSC § 12-16 Medium relevance — show source text
CALIFORNIA STANDARD FOR RESIDENTIAL EXCESS FLOW ACTUATED AUTOMATIC GAS SHUTOFF VALVES (SEE CCR TITLE 24, PART 5, CHAPTER 12) STANDARD 12-16-2

DIVISION OF THE STATE ARCHITECT

Authority: Sections 19200–19204, Health and Safety Code. Reference: Sections 19201.5 and 19202, Health and Safety Code.

DIVISION 1—CONSTRUCTION

SCOPE

Sec. 12-16-201. The American Society for Testing and Materials (ASTM) F2138-12(2017) Standard Specification for Excess Flow Valves for Natural Gas Service, and the American National Standards Institute (ANSI) Z21.93-2017/CSA 6.30-2017 Excess Flow Valves for Natural and LP Gas with Pressure up to 5 psig, shall be the applicable standards used by the Division of the State Architect for certification of these devices.

Sec. 12-16-201.1. Each installation of a customer-owned device that satisfies this standard shall be in accordance with the California Plumbing Code (CCR Title 24, Part 5).

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12-31C RADIATION SHIELDING STANDARDS

STANDARD 12-31C-1

DEPARTMENT OF HEALTH SERVICES

Authority: Sections 102, 208 and 25811.

Reference: Sections 102, 208 and 436.5.

ALL HEALING ARTS X-RAY INSTALLATIONS

Sec. 12-31C-101. All radiation shielding barriers in rooms and enclosures housing radiation machines shall comply with the mandatory standards and appendices in Report No. 35, “Dental X-RAY Protection”; Report 49, “Structural Shielding Design and Evaluation for Medical use of X-rays and Gamma Rays of Energies up to 10 MeV”; and Report No. 51, “Radiation Protection Design Guidelines for 0.1-100 MeV Particle Accelerator Facilities.” Published by the National Council on Radiation Protection and Measurements, 7910 Woodmont Avenue, Bethesda, Maryland 20814.

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12-71 AIR FILTERS

STANDARD 12-71-1

STATE FIRE MARSHAL

DESCRIPTION OF TEST APPARATUS, METHOD AND CLASSIFICATION REQUIREMENTS FOR AIR FILTERS

Sec. 12-71-100.

(a) Test apparatus.
1. The test duct, made of M.S. gage galvanized sheet metal reinforced with angle irons, is 21 inches square (13 548 mm [2] ) and 13 [1] / 2 feet (4114 mm) long.
CRSC § 405.2.6 Medium relevance — show source text
[BS] 405.2.6 Flood hazard areas. In flood hazard areas, buildings that have sustained substantial damage shall be brought into compliance with Section 1612 of the California Building Code or Section R306 of the California Residential Code, as applicable.

SECTION 406—ELECTRICAL

[OSHPD 1R, 2, 4 & 5] Not adopted by OSHPD. Existing electrical wiring and equipment undergoing repair shall be in accordance with Title 24 Part 3 California Electrical Code (CEC).

406.1 General. Repairs to existing electrical wiring and equipment shall be in accordance with the California Electrical Code.

406.1.1 Reconditioned electrical equipment. Reconditioned electrical equipment shall comply with the California Electrical Code . Electrical equipment prohibited from being reconditioned by the applicable sections of the California Electrical Code shall not be reconditioned unless permitted by NFPA 99.

406.1.2 Health care facilities. Portions of electrical systems being repaired in Group I-2, ambulatory care facilities and outpatient clinics shall comply with NFPA 99 requirements for repairs.

SECTION 407—MECHANICAL

407.1 General. Existing mechanical systems undergoing repair shall not make the building less complying than it was before the damaged occurred. [HCD 1, HCD 2 & BSC] Existing mechanical systems undergoing repair shall comply with the California Mechanical Code.

SECTION 408—PLUMBING

408.1 Materials. Plumbing materials and supplies shall not be used for repairs that are prohibited in the California Plumbing Code .

[HCD 1, HCD 2, BSC & BSC-CG] Existing plumbing systems undergoing repair shall comply with the California Plumbing Code and Divi- sion 4.3 or Division 5.3 of the CALGreen Code, as applicable.

408.2 Water closet replacement. The maximum water consumption flow rates and quantities for all replaced water closets shall be 1.28 gallons (4.8 L ) per flushing cycle.

408.3 Health care facilities. Portions of medical gas systems being repaired in Group I-2, ambulatory care facilities and outpatient clinics shall comply with NFPA 99 requirements for repairs.

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CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE

CHAPTER 4A – REPAIRS [OSHPD 1]

(Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)
CRSC § 12-13 Medium relevance — show source text
PERFORMANCE TESTS

Sec. 12-13-1559.

The Commission may conduct, or may contract with others to conduct, independent performance tests of representative samples of insulation sold in the state to determine compliance with standards adopted pursuant to Chapter 10.5 of the California Public Resources Code . Such tests shall form the basis for instituting enforcement proceedings.

Authority: Section 25218 (e), Public Resources Code.

Reference: Section 25926, Public Resources Code.

HISTORY:
1. Amendment filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).
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STANDARDS FOR INSULATING MATERIAL

COSTS OF INSPECTION AND TESTING (RESERVED)

Sec. 12-13-1560.

Authority: Section 25218 (e), Public Resources Code.

Reference: Section 25926, Public Resources Code.

HISTORY:
1. Repealer filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).
ENFORCEMENT (RESERVED)

Sec. 12-13-1561.

Authority: Section 25218 (e), Public Resources Code.

Reference: Section 25931, Public Resources Code.

HISTORY:
1. Repealer filed 6-26-79; effective thirtieth day thereafter (Register 79, No. 26).
RELEASE OF INFORMATION

Sec. 12-13-1562.

Persons submitting information to the Commission who wish information to be kept confidential shall comply with the provisions of Sections 2501-2511 of the Public Resources Code.

Authority: Section 25218(e), Public Resources Code.

Reference: Sections 25223 and 25921.1, Public Resources Code.

HISTORY:
1. Amendment filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).
LIABILITY

Sec. 12-13-1563.

Nothing in this article shall be construed as imposing responsibility on manufacturers for misuse of properly labeled insulation.

Authority: Section 25218(e), Public Resources Code.

Reference: Sections 25926 and 25931, Public Resources Code.

HISTORY:
1. Amendment filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).
INSULATING EXISTING BUILDINGS

Sec. 12-13-1564.

(a) On or after March 25, 1982, if insulating material is installed in an existing building, in any of the applications specified in California Code of Regulations, Title 24, Part 6, Section 118, the installing contractor shall certify that the amount of insulation installed meets or exceeds the requirements of Part 6, Section 118 for that application. Such certification shall be made on completion of the installation by posting in a conspicuous location a certificate signed under penalty of perjury.

Frequently asked questions

How should I use the Part‑12 Cross Reference Table in code research?

Use it as an index — it points to which Title 24 section(s) reference a Part‑12 standard. The table itself is nonregulatory; read and rely on the Part‑12 chapter text and the Title 24 sections cited.

Does § 12‑11A.202 itself mandate installation requirements?

§ 12‑11A.202 establishes the scope (which products and tests apply). Installation obligations normally appear in the Title 24 sections the cross‑reference points to; check those Title 24 sections for the compulsory building‑code requirements.

Who picks the independent entity for detectable warnings?

The Division of the State Architect‑Access Compliance selects the independent entity; the Part‑12 text explains the entity must be a not‑for‑profit product safety testing and certification organization.

What must an installer do after insulating an existing building?

For specified applications, the installing contractor must post a certificate (signed under penalty of perjury) that the installed insulation meets or exceeds the Part‑6 requirement for that application (see Sec. 12‑13‑1564).

How often must detectable warning products be recertified?

Every two years; Sec. 12‑11A.206 requires two‑year recertification without exception or waiver.

If a product is listed in the cross‑reference table, is the table the final word?

No — the table helps you find the Title‑24 location that makes the standard applicable; always read the Part‑12 chapter and the specific Title‑24 section for the enforceable rule.

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California Referenced Standards Code

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2025 CRSC Reference Standard Code

12-13 STANDARDS FOR INSULATING MATERIAL

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12-13 STANDARDS FOR INSULATING MATERIAL

12-16-1 ENGINEERING REGULATIONS—QUALITY AND

12-16-2 ENGINEERING REGULATIONS—QUALITY AND

12-31C RADIATION SHIELDING STANDARDS

12-71 AIR FILTERS

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