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This package includes 2023 County of Los Angeles amendment pages for integration with the 2022 California Existing Building Code, Title (24, Parts 8,10 & 12).

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PDF Pages	PDF Title
1	2023 COUNTY OF LOS ANGELES EXISTING BUILDING CODE
3	COPYRIGHT
4	PREFACE ACKNOWLEDGMENTS
6	PREFACE TO THE COUNTY OF LOS ANGELES AMENDMENTS
8	LOS ANGELES COUNTY OFFICES
10	HOW TO DISTINGUISH BETWEEN MODEL CODE LANGUAGE AND CALIFORNIA AMENDMENTS
11	CALIFORNIA MATRIX ADOPTION TABLES
16	TABLE OF CONTENTS
20	CHAPTER 1 ADMINISTRATION SECTION 100 ADOPTION AND INCORPORATION BY REFERENCE SECTION 101 TITLE, PURPOSE AND INTENT
22	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 2 – DEFINITIONS
23	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 2 – DEFINITIONS—continued
24	CHAPTER 2 DEFINITIONS SECTION 201 GENERAL SECTION 202 GENERAL DEFINITIONS
30	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 3 – PROVISIONS FOR ALL COMPLIANCE METHODS
32	CHAPTER 3 PROVISIONS FOR ALL COMPLIANCE METHODS SECTION 301 ADMINISTRATION
33	SECTION 302 GENERAL PROVISIONS
34	SECTION 303 STORM SHELTERS
35	SECTION 304 STRUCTURAL DESIGN LOADS AND EVALUATION AND DESIGN PROCEDURES [BS] TABLE 304.3.1 PERFORMANCE OBJECTIVES FOR USE IN ASCE 41 FOR COMPLIANCE WITH FULL SEISMIC FORCES [BS] TABLE 304.3.2 PERFORMANCE OBJECTIVES FOR USE IN ASCE 41 FOR COMPLIANCE WITH REDUCED SEISMIC FORCES SECTION 305 IN-SITU LOAD TESTS
36	SECTION 306 ACCESSIBILITY FOR EXISTING BUILDINGS (Not adopted by HCD or OSHPD)
38	SECTION 307 SMOKE ALARMS SECTION 308 CARBON MONOXIDE DETECTION SECTION 309 ADDITIONS AND REPLACEMENTS OF EXTERIOR WALL COVERINGS AND EXTERIOR WALL ENVELOPES SECTION 310 [OSHPD 1R, 2 and 5]SERVICES/SYSTEMS AND UTILITIES SECTION 311 [OSHPD 1R, 2 and 5] MEANS OF EGRESS SECTION 312 [OSHPD 1R] HOSPITAL SPC AND FREESTANDING BUILDINGS REMOVED FROM GENERAL ACUTECARE SERVICE REMAINING UNDER THE JURISDICTION OF OSHPD
40	SECTION 313 [SFM] EXISTING GROUP R-1 AND GROUP R-2 OCCUPANCIES
42	SECTION 314 [SFM] EXISTING HIGH-RISE BUILDINGS
44	SECTION 315 [SFM] EXISTING GROUP I OCCUPANCIES
45	SECTION 316 [SFM] EXISTING GROUP L OCCUPANCIES SECTION 317 EARTHQUAKE EVALUATION AND DESIGN FOR RETROFIT OF EXISTING BUILDINGS
46	TABLE 316.7(1) EXEMPT AMOUNTS OF HAZARDOUS MATERIALS, LIQUIDS AND CHEMICALS PRESENTING A PHYSICAL HAZARD BASIC QUANTITIES PER LABORATORY SUITE1 When two units are given, values within parentheses are in cubic feet (cu. ft) or pounds (lb)
47	TABLE 316.7(2) EXEMPT AMOUNTS OF HAZARDOUS MATERIALS, LIQUIDS AND CHEMICALS PRESENTING A PHYSICAL HAZARD BASIC QUANTITIES PER LABORATORY SUITE1 When two units are given, values within parentheses are in pounds (lbs.)
48	TABLE 317.5 SEISMIC PERFORMANCE REQUIREMENTS2, 3 BY BUILDING REGULATORY AUTHORITY AND RISK CATEGORY
49	SECTION 318 DEFINITIONS SECTION 319 SEISMIC CRITERIA SELECTION FOR EXISTING BUILDINGS
52	SECTION 320 METHOD A SECTION 321 METHOD B
53	SECTION 322 PEER REVIEW REQUIREMENTS
54	SECTION 323 [DSA-SS, DSA-SS/CC] ADDITIONAL REQUIREMENTS FOR PUBLIC SCHOOLS AND COMMUNITY COLLEGES
56	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 3A – PROVISIONS FOR ALL COMPLIANCE METHODS [OSHPD 1]
58	CHAPTER 3A PROVISIONS FOR ALL COMPLIANCE METHODS SECTION 301A ADMINISTRATION SECTION 302A GENERAL PROVISIONS
59	SECTION 303A RESERVED SECTION 304A STRUCTURAL DESIGN LOADS AND EVALUATION AND DESIGN PROCEDURES
63	SECTION 305A IN-SITU LOAD TESTS SECTION 306A ACCESSIBILITY FOR EXISTING BUILDINGS
64	SECTION 307A–309A RESERVED SECTION 310A COMPLIANCE ALTERNATIVES FOR SERVICES/SYSTEMS AND UTILITIES
65	SECTION 311A COMPLIANCE ALTERNATIVES FOR MEANS OF EGRESS
66	SECTION 312A REMOVAL OF HOSPITALS PC AND FREESTANDING BUILDINGS FROM GENERAL ACUTE CARE SERVICE
68	SECTION 313A EARTHQUAKE MONITORING INSTRUMENTS FOR EXISTING BUILDINGS
70	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 4 – REPAIRS
72	CHAPTER 4 REPAIRS SECTION 401 GENERAL SECTION 402 BUILDING ELEMENTS AND MATERIALS SECTION 403 FIRE PROTECTION SECTION 404 MEANS OF EGRESS SECTION 405 STRUCTURAL
73	SECTION 406 ELECTRICAL
74	SECTION 407 MECHANICAL SECTION 408 PLUMBING
76	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 4A – REPAIRS [OSHPD 1]
78	CHAPTER 4A REPAIRS SECTION 401A GENERAL SECTION 402A BUILDING ELEMENTS AND MATERIALS SECTION 403A FIRE PROTECTION SECTION 404A MEANS OF EGRESS SECTION 405A STRUCTURAL
80	SECTION 406A ELECTRICAL SECTION 407A MECHANICAL SECTION 408A PLUMBING
82	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 5 – PRESCRIPTIVE COMPLIANCE METHOD
84	CHAPTER 5 PRESCRIPTIVE COMPLIANCE METHOD SECTION 501 GENERAL
85	SECTION 502 ADDITIONS SECTION 503 ALTERATIONS
88	SECTION 504 FIRE ESCAPES (NOT ADOPTED BY HCD) SECTION 505 WINDOWS AND EMERGENCY ESCAPE OPENINGS
89	SECTION 506 CHANGE OF OCCUPANCY
90	SECTION 507 HISTORIC BUILDINGS (NOT ADOPTED BY HCD)
92	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 5A – PRESCRIPTIVE COMPLIANCE METHOD [OSHPD 1]
94	CHAPTER 5A PRESCRIPTIVE COMPLIANCE METHOD SECTION 501A GENERAL
95	SECTION 502A ADDITIONS
96	SECTION 503A ALTERATIONS
97	SECTION 504A RESERVED
98	SECTION 505A RESERVED SECTION 506A CHANGE OF OCCUPANCY SECTION 507A HISTORIC BUILDINGS
100	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 6 – CLASSIFICATION OF WORK
102	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 7 – ALTERATIONS—LEVEL 1
104	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 8 – ALTERATIONS—LEVEL 2
106	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 9 – ALTERATIONS—LEVEL 3
108	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 10 – CHANGE OF OCCUPANCY
110	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 11 – ADDITIONS
112	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 12 – HISTORIC BUILDINGS
114	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 13 – PERFORMANCE COMPLIANCE METHODS
116	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 14 – RELOCATED OR MOVED BUILDINGS
118	CHAPTER 14 RELOCATED OR MOVED BUILDINGS SECTION 1401 GENERAL SECTION 1402 REQUIREMENTS
120	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 15 – CONSTRUCTION SAFEGUARDS
122	CHAPTER 15 CONSTRUCTION SAFEGUARDS SECTION 1501 GENERAL [BS] TABLE 1501.6 PROTECTION OF PEDESTRIANS
123	SECTION 1502 PROTECTION OF ADJOINING PROPERTY
124	SECTION 1503 TEMPORARY USE OF STREETS, ALLEYS AND PUBLIC PROPERTY SECTION 1504 FIRE EXTINGUISHERS SECTION 1505 MEANS OF EGRESS SECTION 1506 STANDPIPES SECTION 1507 AUTOMATIC SPRINKLER SYSTEM
125	SECTION 1508 ACCESSIBILITY SECTION 1509 WATER SUPPLY FOR FIRE PROTECTION
126	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 16 – REFERENCED STANDARDS
128	CHAPTER 16 REFERENCED STANDARDS ASCE/SEI ASHRAE ASME
129	ASTM ICC
130	NFPA
132	UL
134	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX A CHAPTER A1 – SEISMIC STRENGTHENING PROVISIONSFOR UNREINFORCED MASONRY BEARING WALL BUILDINGS
136	APPENDIX A: GUIDELINES FOR THE SEISMIC RETROFIT OF EXISTING BUILDINGS CHAPTER A1 SEISMIC STRENGTHENING PROVISIONS FOR UNREINFORCED MASONRY BEARING WALL BUILDINGS SECTION A100 APPLICATION SECTION A101 PURPOSE SECTION A102 SCOPE
137	[BS] TABLE A102.1 ELEMENTS REGULATED BY THIS CHAPTER SECTION A103 DEFINITIONS SECTION A104 SYMBOLS AND NOTATIONS
138	SECTION A105 GENERAL REQUIREMENTS
139	SECTION A106 MATERIALS REQUIREMENTS
140	EQUATION A1-1 EQUATION A1-2
141	SECTION A107 QUALITY CONTROL SECTION A108 DESIGN STRENGTHS
142	[BS] TABLE A108.1(1) STRENGTH VALUES FOR EXISTING MATERIALS EQUATION A1-3 EQUATION A1-4 SECTION A109 ANALYSIS AND DESIGN PROCEDURE
143	[BS] TABLE A108.1(2) STRENGTH VALUES OF NEW MATERIALS USED IN CONJUNCTION WITH EXISTING CONSTRUCTION SECTION A110 GENERAL PROCEDURE EQUATION A1-5
144	[BS] TABLE A110.2 ALLOWABLE VALUE OF HEIGHT-TO-THICKNESS RATIO OF UNREINFORCED MASONRY WALLS SECTION A111 SPECIAL PROCEDURE EQUATION A1-6
145	EQUATION A1-7 EQUATION A1-8 EQUATION A1-9 [BS] FIGURE A111.4.1 ACCEPTABLE DIAPHRAGM SPAN
146	EQUATION A1-10 EQUATION A1-11 EQUATION A1-12 [BS] TABLE A111.5 HORIZONTAL FORCE FACTOR, Cp EQUATION A1-13 EQUATION A1-14 EQUATION A1-15 EQUATION A1-16 EQUATION A1-17 SECTION A112 ANALYSIS AND DESIGN
147	EQUATION A1-18 EQUATION A1-19 EQUATION A1-20 [BS] FIGURE A112.2.2 ANALYSIS OF URM WALL IN-PLANE SHEAR FORCES
148	EQUATION A1-21 EQUATION A1-22 EQUATION A1-23 SECTION A113 DETAILED BUILDING SYSTEM DESIGN REQUIREMENTS
149	[BS] TABLE A113.6 MAXIMUM ALLOWABLE HEIGHT-TO-THICKNESS RATIO FOR PARAPETS [BS] TABLE A114.1 MAXIMUM HEIGHT-TO-THICKNESS RATIO FOR ADOBE OR STONE WALLS SECTION A114 WALLS OF UNBURNED CLAY, ADOBE OR STONE MASONRY
150	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX ACHAPTER A2 – EARTHQUAKE HAZARD REDUCTION IN EXISTING REINFORCED CONCRETEAND REINFORCED MASONRY WALL BUILDINGS WITH FLEXIBLE DIAPHRAGMS
152	CHAPTER A2 EARTHQUAKE HAZARD REDUCTION IN EXISTING REINFORCED CONCRETE AND REINFORCED MASONRYWALL BUILDINGS WITH FLEXIBLE DIAPHRAGMS SECTION A201 PURPOSE SECTION A202 SCOPE SECTION A203 DEFINITIONS SECTION A204 SYMBOLS AND NOTATIONS SECTION A205 GENERAL REQUIREMENTS
153	SECTION A206 ANALYSIS AND DESIGN
154	SECTION A207 MATERIALS OF CONSTRUCTION
156	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX A CHAPTER A3 – PRESCRIPTIVE PROVISIONS FOR SEISMIC STRENGTHENINGOF CRIPPLE WALLS AND SILL PLATE ANCHORAGE OF LIGHT,WOOD-FRAME RESIDENTIAL BUILDINGS
158	CHAPTER A3 PRESCRIPTIVE PROVISIONS FOR SEISMIC STRENGTHENING OF CRIPPLE WALLS AND SILL PLATE ANCHORAGE OF LIGHT, WOOD-FRAME RESIDENTIAL BUILDINGS SECTION A301 GENERAL SECTION A302 DEFINITIONS
159	SECTION A303 STRUCTURAL WEAKNESSES SECTION A304 STRENGTHENING REQUIREMENTS
160	[BS] FIGURE A304.1.3 TYPICAL FLOOR TO CRIPPLE WALL CONNECTION (FLOOR JOISTS NOT PARALLEL TO FOUNDATIONS)
161	[BS] FIGURE A304.1.4(1) TYPICAL FLOOR TO CRIPPLE WALL CONNECTION (FLOOR JOISTS PARALLEL TO FOUNDATIONS)
162	[BS] FIGURE A304.1.4(2) TYPICAL FLOOR TO MUDSILL CONNECTIONS
163	[BS] FIGURE A304.1.4(3) ALTERNATIVE FLOOR FRAMING TO CRIPPLE WALL CONNECTION
164	[BS] FIGURE A304.2.3(1) NEW REINFORCED CONCRETE FOUNDATION SYSTEM
165	[BS] TABLE A304.2.3(1) NEW REINFORCED CONCRETE FOUNDATION SYSTEM [BS] FIGURE A304.2.3(2 )NEW MASONRY CONCRETE FOUNDATION
166	[BS] TABLE A304.2.3(2) NEW MASONRY CONCRETE FOUNDATION [BS] TABLE A304.3.1 SILL PLATE ANCHORAGE AND CRIPPLE WALL BRACING
167	[BS] FIGURE A304.3.1(1) SILL PLATE ANCHORING TO EXISTING FOUNDATIONa, b
168	[BS] FIGURE A304.3.1(2) ALTERNATIVE SILL PLATE ANCHORING IN EXISTING FOUNDATION—WITHOUTCRIPPLE WALLS AND FLOOR FRAMING NOT PARALLEL TO FOUNDATIONSa, b [BS] FIGURE A304.3.1(3) ALTERNATIVE SILL PLATE ANCHOR TO EXISTING FOUNDATION WITHOUTCRIPPLE WALL AND FLOOR FRAMING PARALLEL TO FOUNDATIONS
169	[BS] FIGURE A304.3.1(4) SILL PLATE ANCHORING TO EXISTING FOUNDATION—ALTERNATIVE CONNECTION FOR BATTERED FOOTING [BS] TABLE A304.3.2 SILL PLATE ANCHORAGE FOR VARIOUS LENGTHS OF SILL PLATEa, b
170	[BS] FIGURE A304.4.1(1) CRIPPLE WALL BRACING WITH NEW WOOD STRUCTURAL PANEL ON EXTERIOR FACE OF CRIPPLE STUDS
171	[BS] FIGURE A304.4.1(2) CRIPPLE WALL BRACING WITH WOOD STRUCTURAL PANEL ON INTERIOR FACE OF CRIPPLE STUDS
172	[BS] FIGURE A304.4.1(3) PARTIAL CRIPPLE STUD WALL ELEVATION
173	[BS] FIGURE A304.4.2 FLOOR PLAN-CRIPPLE WALL BRACING LAYOUT
174	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX A CHAPTER A4 – EARTHQUAKE RISK REDUCTIONIN WOOD-FRAME RESIDENTIAL BUILDINGS WITH SOFT, WEAK OR OPEN FRONT WALLS
176	CHAPTER A4 EARTHQUAKE RISK REDUCTION IN WOOD-FRAME RESIDENTIAL BUILDINGS WITH SOFT, WEAK OR OPEN FRONT WALLS SECTION A401 GENERAL SECTION A402 DEFINITIONS SECTION A403 ANALYSIS AND DESIGN
178	SECTION A404 PRESCRIPTIVE MEASURES FOR WEAK STORY
179	SECTION A405 MATERIALS OF CONSTRUCTION SECTION A406 CONSTRUCTION DOCUMENTS
180	SECTION A407 QUALITY CONTROL
182	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX A CHAPTER A5 – REFERENCED STANDARDS CHAPTER A5 REFERENCED STANDARDS SECTION A501 REFERENCED STANDARDS
183	TABLE A501.1 REFERENCED STANDARDS
184	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX B SUPPLEMENTARY ACCESSIBILITY REQUIREMENTSFOR EXISTING BUILDINGS AND FACILITIES
186	APPENDIX B SUPPLEMENTARY ACCESSIBILITY REQUIREMENTS FOR EXISTING BUILDINGS AND FACILITIES SECTION B101 QUALIFIED HISTORIC BUILDINGS AND FACILITIES SECTION B102 FIXED TRANSPORTATION FACILITIES AND STATIONS
187	SECTION B103 DWELLING UNITS AND SLEEPING UNITS SECTION B104 REFERENCED STANDARDS [BE] TABLE B104.1 REFERENCED STANDARDS
188	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX C CHAPTER C1 – GABLE END RETROFIT FOR HIGH-WIND AREAS
190	APPENDIX C: GUIDELINES FOR THE WIND RETROFIT OF EXISTING BUILDINGS CHAPTER C1 GABLE END RETROFIT FOR HIGH-WIND AREAS SECTION C101 GENERAL SECTION C102 DEFINITIONS
191	SECTION C103 MATERIALS OF CONSTRUCTION [BS] TABLE C103.3 MATERIAL SPECIFICATIONS FOR RETROFITSa [BS] TABLE C103.5 NAIL AND SCREW REQUIREMENTS
192	[BS] FIGURE C103.5.3 FASTENER SPACINGS FOR LUMBER-TO-LUMBER CONNECTIONS OPERATING IN SHEAR PARALLEL TO GRAIN
193	SECTION C104 RETROFITTING GABLE END WALLS TO ENHANCE WIND RESISTANCE [BS] FIGURE C104.1 BASIC GABLE END RETROFIT METHODOLOGY
194	[BS] TABLE C104.2 STUD LENGTH LIMITATIONS BASED ON EXPOSURE AND DESIGN WIND SPEED [BS] FIGURE C104.2(1) TRUSS FRAMED GABLE END
195	[BS] FIGURE C104.2(2) CONVENTIONALLY FRAMED GABLE END L-BENT STRAP [BS] FIGURE C104.2(3) TRUSS FRAMED GABLE END U-BENT STRAP
196	[BS] FIGURE C104.2(4) CONVENTIONALLY FRAMED GABLE END U-BENT STRAP
197	[BS] FIGURE C104.2.3 OMITTED HORIZONTAL BRACE
199	[BS] FIGURE C104.2.4(1) LADDER BRACING FOR OMITTED RETROFIT STUD (GABLE END FRAME) [BS] FIGURE C104.2.4(2) LADDER BRACING FOR OMITTED RETROFIT STUD (CONVENTIONALLY FRAMED GABLE END)
200	[BS] FIGURE C104.2.5 ANCHOR BLOCK INSTALLATION
201	[BS] FIGURE C104.2.7 DETAIL OF RETROFIT TIE INSTALLATION
202	[BS] FIGURE C104.2.8(1) SPLICED HORIZONTAL BRACES
203	[BS] FIGURE C104.2.8(2) SPLICED HORIZONTAL BRACES [BS] FIGURE C104.2.8(3) SPLICED HORIZONTAL BRACES
204	[BS] FIGURE C104.3 METHOD OF INSTALLING RETROFIT STUDS
205	[BS] FIGURE C104.3.4 NAIL PLATE FASTENING
206	[BS] FIGURE C104.3.8 RETROFIT STUD SPLICES
207	[BS] TABLE C104.4.1 ELEMENT SIZING AND SPACING FOR L-BENT RETROFIT METHOD [BS] TABLE C104.4.2 ELEMENT SIZING AND SPACING FOR U-BENT RETROFIT METHOD
208	[BS] TABLE C104.5.1 SPACING OF GUSSET ANGLES [BS] TABLE C104.5.2 SPACING OF LAG OR MASONRY SCREWS USED TO CONNECT SILL PLATE OF GABLE END WALLTO TOP OF THE WALL BELOW
210	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX C CHAPTER C2 – ROOF DECK FASTENING FOR HIGH-WIND AREAS
212	CHAPTER C2 ROOF DECK FASTENING FOR HIGH-WIND AREAS SECTION C201 GENERAL SECTION C202 ROOF DECK ATTACHMENT FOR WOOD ROOFS
213	[BS] TABLE C202.1.2 SUPPLEMENT FASTENERS AT PANEL EDGES AND INTERMEDIATE FRAMING
214	CHAPTER C3 REFERENCED STANDARDS SECTION C301 REFERENCED STANDARDS [BS] TABLE C301.1 REFERENCED STANDARDS
216	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX D BOARD OF APPEALS
218	APPENDIX D BOARD OF APPEALS SECTION D101 GENERAL
220	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE RESOURCE A GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS AND ASSEMBLIES
222	RESOURCE A GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS AND ASSEMBLIES
223	1 FIRE-RELATED PERFORMANCE OF ARCHAIC MATERIALS AND ASSEMBLIES
224	2 BUILDING EVALUATION
225	FIGURE 1 PRELIMINARY EVALUATION FIELD NOTES
226	FIGURE 2 PRELIMINARY EVALUATION WORKSHEET
227	3 FINAL EVALUATION AND DESIGN SOLUTION
228	HARMATHY’S TEN RULES
233	FIGURE 3 MODIFICATION DETAILS
234	4 SUMMARY
236	APPENDIX INTRODUCTION RESOURCE A TABLE OF CONTENTS
239	SECTION I – WALLS FIGURE 1.1.1 MASONRY WALLS 0″ TO LESS THAN 4″ THICK TABLE 1.1.1 MASONRY WALLS 0″ TO LESS THAN 4″ THICK
240	TABLE 1.1.1—continued MASONRY WALLS 0″ TO LESS THAN 4″ THICK
241	TABLE 1.1.1—continued MASONRY WALLS0″ TO LESS THAN 4″ THICK
242	FIGURE 1.1.2 MASONRY WALLS 4″ TO LESS THAN 6″ THICK TABLE 1.1.2 MASONRY WALLS 4″ TO LESS THAN 6″ THICK
243	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
244	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
245	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
246	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
247	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
248	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
249	FIGURE 1.1.3 MASONRY WALLS 6″ TO LESS THAN 8″ THICK TABLE 1.1.3 MASONRY WALLS 6 ″ TO LESS THAN 8″ THICK
250	TABLE 1.1.3—continued MASONRY WALLS 6″ TO LESS THAN 8″ THICK
251	TABLE 1.1.3—continued MASONRY WALLS 6″ TO LESS THAN 8″ THICK
252	TABLE 1.1.3—continued MASONRY WALLS 6″ TO LESS THAN 8″ THICK
253	TABLE 1.1.3—continued MASONRY WALLS 6″ TO LESS THAN 8″ THICK
254	FIGURE 1.1.4 MASONRY WALLS 8″ TO LESS THAN 10″ THICK TABLE 1.1.4 MASONRY WALLS 8″ TO LESS THAN 10″ THICK
255	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
256	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
257	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
258	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
259	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
260	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
261	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
262	TABLE 1.1.5 MASONRY WALLS 10″ TO LESS THAN 12″ THICK
263	TABLE 1.1.5—continued MASONRY WALLS 10″ TO LESS THAN 12″ THICK
264	TABLE 1.1.5—continued MASONRY WALLS10″ TO LESS THAN 12″ THICK
265	TABLE 1.1.5—continued MASONRY WALLS 10″ TO LESS THAN 12″ THICK
266	FIGURE 1.1.6 MASONRY WALLS 12″ TO LESS THAN 14″ THICK TABLE 1.1.6 MASONRY WALLS 12″ TO LESS THAN 14″ THICK
267	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
268	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
269	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
270	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
271	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
272	FIGURE 1.1.7 MASONRY WALLS 14″ OR MORE THICK TABLE 1.1.7 MASONRY WALLS 14″ OR MORE THICK
273	TABLE 1.1.7—continued MASONRY WALLS 14″ OR MORE THICK
274	TABLE 1.1.7—continued MASONRY WALLS 14″ OR MORE THICK
275	FIGURE 1.2.1 METAL FRAME WALLS 0″ TO LESS THAN 4″ THICK TABLE 1.2.1 METAL FRAME WALLS 0″ TO LESS THAN 4″ THICK
276	TABLE 1.2.1—continued METAL FRAME WALLS 0″ TO LESS THAN 4″ THICK
277	TABLE 1.2.1—continued METAL FRAME WALLS 0″ TO LESS THAN 4″ THICK
278	TABLE 1.2.1—continued METAL FRAME WALLS 0″ TO LESS THAN 4″ THICK
279	FIGURE 1.2.2 METAL FRAME WALLS 4″ TO LESS THAN 6″ THICK TABLE 1.2.2 METAL FRAME WALLS 4″ TO LESS THAN 6″ THICK
280	TABLE 1.2.2—continued METAL FRAME WALLS 4″ TO LESS THAN 6″ THICK
281	TABLE 1.2.3 METAL FRAME WALLS 6″ TO LESS THAN 8″ THICK
282	TABLE 1.2.4 METAL FRAME WALLS 8″ TO LESS THAN 10″ THICK
283	TABLE 1.3.1 WOOD FRAME WALLS 0″ TO LESS THAN 4″ THICK
284	FIGURE 1.3.2WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK TABLE 1.3.2 WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
285	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
286	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK.
287	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
288	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
289	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
290	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
291	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
292	TABLE 1.3.3 WOOD FRAME WALLS 6″ TO LESS THAN 8″ THICK TABLE 1.4.1 MISCELLANEOUS MATERIALS WALLS 0″ TO LESS THAN 4″ THICK
293	TABLE 1.4.2 MISCELLANEOUS MATERIALS WALLS 4″ TO LESS THAN 6″ THICK
294	FIGURE 1.5.1 FINISH RATINGS—INORGANIC MATERIALS TABLE 1.5.1 FINISH RATINGS—INORGANIC MATERIALS
295	TABLE 1.5.1—continued FINISH RATINGS—INORGANIC MATERIALS TABLE 1.5.2 FINISH RATINGS—ORGANIC MATERIALS
296	SECTION II COLUMNS TABLE 2.1.1 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 0″ TO LESS THAN 6″
297	FIGURE 2.1.2 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 10″ TO LESS THAN 12″ TABLE 2.1.2 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 10″ TO LESS THAN 12″
298	TABLE 2.1.2—continued REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 10″ TO LESS THAN 12″
299	TABLE 2.1.2—continued REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 10″ TO LESS THAN 12″
300	TABLE 2.1.3 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 12″ TO LESS THAN 14″
301	TABLE 2.1.4 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 14″ TO LESS THAN 16″
302	FIGURE 2.1.5 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 16″ TO LESS THAN 18″ TABLE 2.1.5 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 16″ TO LESS THAN 18″
303	TABLE 2.1.5—continued REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 16″ TO LESS THAN 18″
304	TABLE 2.1.6 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 18″ TO LESS THAN 20″
305	FIGURE 2.1.7 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 20″ TO LESS THAN 22″ TABLE 2.1.7 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 20″ TO LESS THAN 22″
306	TABLE 2.1.7—continued REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 20″ TO LESS THAN 22″ TABLE 2.1.8 HEXAGONAL REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 12″ TO LESS THAN 14″
307	TABLE 2.1.9 HEXAGONAL REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 14″ TO LESS THAN 16″ TABLE 2.1.10 HEXAGONAL REINFORCED CONCRETE COLUMNS DIAMETER—16″ TO LESS THAN 18″ TABLE 2.1.11 HEXAGONAL REINFORCED CONCRETE COLUMNS DIAMETER—20″ TO LESS THAN 22″
308	TABLE 2.2 ROUND CAST IRON COLUMNS
309	FIGURE 2.3 STEEL COLUMNS—GYPSUM ENCASEMENTS TABLE 2.3 STEEL COLUMNS—GYPSUM ENCASEMENTS
310	TABLE 2.3—continued STEEL COLUMNS—GYPSUM ENCASEMENTS TABLE 2.4 TIMBER COLUMNS MINIMUM DIMENSION TABLE 2.5.1.1 STEEL COLUMNS—CONCRETE ENCASEMENTSMINIMUM DIMENSION LESS THAN 6″
311	TABLE 2.5.1.2 STEEL COLUMNS—CONCRETE ENCASEMENTS 6″ TO LESS THAN 8″ THICK
312	FIGURE 2.5.1.3 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 8″ TO LESS THAN 10″ TABLE 2.5.1.3 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 8″ TO LESS THAN 10″
313	TABLE 2.5.1.3—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 8″ TO LESS THAN 10″
314	FIGURE 2.5.1.4 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″ TABLE 2.5.1.4 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″
315	TABLE 2.5.1.4—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″
316	TABLE 2.5.1.4—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″
317	TABLE 2.5.1.4—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″
318	FIGURE 2.5.1.5 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 12″ TO LESS THAN 14″ TABLE 2.5.1.5 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 12″ TO LESS THAN 14″
319	TABLE 2.5.1.5—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 12″ TO LESS THAN 14″
320	FIGURE 2.5.1.6 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 14″ TO LESS THAN 16″ TABLE 2.5.1.6 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 14″ TO LESS THAN 16″
321	TABLE 2.5.1.6—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 14″ TO LESS THAN 16″
322	TABLE 2.5.1.7 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 16″ TO LESS THAN 18″ TABLE 2.5.2.1 STEEL COLUMNS—BRICK AND BLOCK ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″
323	TABLE 2.5.2.2 STEEL COLUMNS—BRICK AND BLOCK ENCASEMENTS MINIMUM DIMENSION 12″ TO LESS THAN 14″ TABLE 2.5.2.3 STEEL COLUMNS—BRICK AND BLOCK ENCASEMENTS MINIMUM DIMENSION 14″ TO LESS THAN 16″
324	TABLE 2.5.3.1 STEEL COLUMNS—PLASTER ENCASEMENTS MINIMUM DIMENSION 6″ TO LESS THAN 8″ TABLE 2.5.3.2 STEEL COLUMNS—PLASTER ENCASEMENTS MINIMUM DIMENSION 8″ TO LESS THAN 10″ TABLE 2.5.4.1 STEEL COLUMNS—MISCELLANEOUS ENCASEMENTS MINIMUM DIMENSION 6″ TO LESS THAN 8″
325	TABLE 2.5.4.2 STEEL COLUMNS—MISCELLANEOUS ENCASEMENTS MINIMUM DIMENSION 8″ TO LESS THAN 10″ TABLE 2.5.4.3 STEEL COLUMNS—MISCELLANEOUS ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″ TABLE 2.5.4.4 STEEL COLUMNS—MISCELLANEOUS ENCASEMENTS MINIMUM DIMENSION 12″ TO LESS THAN 14″
326	SECTION III FLOOR/CEILING ASSEMBLIES FIGURE 3.1 FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE TABLE 3.1 FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
327	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
328	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
329	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
330	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
331	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
332	FIGURE 3.2 FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS TABLE 3.2 FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
333	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
334	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
335	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
336	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
337	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
338	FIGURE 3.3 FLOOR/CEILING ASSEMBLIES—WOOD JOIST TABLE 3.3 FLOOR/CEILING ASSEMBLIES—WOOD JOIST
339	TABLE 3.3—continued FLOOR/CEILING ASSEMBLIES—WOOD JOIST
340	TABLE 3.3—continued FLOOR/CEILING ASSEMBLIES—WOOD JOIST
341	TABLE 3.3—continued FLOOR/CEILING ASSEMBLIES—WOOD JOIST
342	FIGURE 3.4 FLOOR/CEILING ASSEMBLIES—HOLLOW CLAY TILE WITH REINFORCED CONCRETE TABLE 3.4 FLOOR/CEILING ASSEMBLIES—HOLLOW CLAY TILE WITH REINFORCED CONCRETE
343	TABLE 3.4—continued FLOOR/CEILING ASSEMBLIES—HOLLOW CLAY TILE WITH REINFORCED CONCRETE
344	TABLE 3.4—continued FLOOR/CEILING ASSEMBLIES—HOLLOW CLAY TILE WITH REINFORCED CONCRETE
345	SECTION IV BEAMS TABLE 4.1.1 REINFORCED CONCRETE BEAMS DEPTH 10″ TO LESS THAN 12″
346	TABLE 4.1.1—continued REINFORCED CONCRETE BEAMS DEPTH 10″ TO LESS THAN 12″
347	TABLE 4.1.1—continued REINFORCED CONCRETE BEAMS DEPTH 10″ TO LESS THAN 12″
348	TABLE 4.1.2 REINFORCED CONCRETE BEAMS DEPTH 12″ TO LESS THAN 14″
349	TABLE 4.1.2—continued REINFORCED CONCRETE BEAMS DEPTH 12″ TO LESS THAN 14″
350	TABLE 4.1.3 REINFORCED CONCRETE BEAMS DEPTH 14″ TO LESS THAN 16″
351	TABLE 4.2.1 REINFORCED CONCRETE BEAMS—UNPROTECTED DEPTH10″ TO LESS THAN 12″ TABLE 4.2.2 STEEL BEAMS—CONCRETE PROTECTION DEPTH10″ TO LESS THAN 12″
352	SECTION V DOORS FIGURE 5.1 RESISTANCE OF DOORS TO FIRE EXPOSURE TABLE 5.1 RESISTANCE OF DOORS TO FIRE EXPOSURE
353	TABLE 5.1—continued RESISTANCE OF DOORS TO FIRE EXPOSURE
354	TABLE 5.1—continued RESISTANCE OF DOORS TO FIRE EXPOSURE
355	BIBLIOGRAPHY
362	INDEX
368	HISTORY NOTE APPENDIX
370	CODE RESOURCES FROM ICC
371	ICC DIGITAL CODES PREMIUM
372	ICC DIGITAL CODES PREMIUM
373	ICC EVALUATION SERVICE®
374	2022 CALIFORNIA HISTORICAL BUILDING CODE CALIFORNIA CODE OF REGULATIONS TITLE 24, PART 8 TITLE PAGE
375	COPYRIGHT
376	PREFACE ACKNOWLEDGMENTS
378	CALIFORNIA CODE OF REGULATIONS, TITLE 24 CALIFORNIA AGENCY INFORMATION CONTACT LIST
379	HOW TO DETERMINE WHERE CHANGES HAVE BEEN MADE
380	PART 8 CONTAINS ALTERNATIVE REGULATIONS FOR QUALIFIED HISTORICAL BUILDINGS
381	HISTORICAL PREFACE
382	TABLE OF CONTENTS
384	CHAPTER 8-1 ADMINISTRATION SECTION 8-101 TITLE, PURPOSE AND INTENT SECTION 8-102 APPLICATION SECTION 8-103 ORGANIZATION AND ENFORCEMENT
385	SECTION 8-104 REVIEW AND APPEALS SECTION 8-105 CONSTRUCTION METHODS AND MATERIALS SECTION 8-106 SHBSB RULINGS
386	CHAPTER 8-2 DEFINITIONS SECTION 8-201 DEFINITIONS
388	CHAPTER 8-3 USE AND OCCUPANCY SECTION 8-301 PURPOSE AND SCOPE SECTION 8-302 GENERAL SECTION 8-303 RESIDENTIAL OCCUPANCIES
390	CHAPTER 8-4 FIRE PROTECTION SECTION 8-401 PURPOSE, INTENT AND SCOPE SECTION 8-402 FIRE-RESISTIVE CONSTRUCTION SECTION 8-403 INTERIOR FINISH MATERIALS SECTION 8-404 WOOD LATH AND PLASTER SECTION 8-405 OCCUPANCY SEPARATION SECTION 8-406 MAXIMUM FLOOR AREA SECTION 8-407 VERTICAL SHAFTS SECTION 8-408 ROOF COVERING
391	SECTION 8-409 FIRE ALARM SYSTEMS SECTION 8-410 AUTOMATIC SPRINKLER SYSTEMS SECTION 8-411 OTHER TECHNOLOGIES SECTION 8-412 HIGH-RISE BUILDINGS
392	CHAPTER 8-5 MEANS OF EGRESS SECTION 8-501 PURPOSE, INTENT AND SCOPE SECTION 8-502 GENERAL
393	SECTION 8-503 ESCAPE OR RESCUE WINDOWS AND DOORS SECTION 8-504 RAILINGS AND GUARDRAILS
394	CHAPTER 8-6 ACCESSIBILITY SECTION 8-601 PURPOSE, INTENT AND SCOPE SECTION 8-602 BASIC PROVISIONS SECTION 8-603 ALTERNATIVES
395	SECTION 8-604 EQUIVALENT FACILITATION
396	CHAPTER 8-7 STRUCTURAL REGULATIONS SECTION 8-701 PURPOSE, INTENT AND SCOPE SECTION 8-702 GENERAL SECTION 8-703 STRUCTURAL SURVEY SECTION 8-704 NONHISTORICAL ADDITIONS AND NONHISTORICAL ALTERATIONS SECTION 8-705 STRUCTURAL REGULATIONS
397	SECTION 8-706 LATERAL LOAD REGULATIONS
398	CHAPTER 8-8 ARCHAIC MATERIALS AND METHODS OF CONSTRUCTION SECTION 8-801 PURPOSE, INTENT AND SCOPE SECTION 8-802 GENERAL ENGINEERING APPROACHES SECTION 8-803 NONSTRUCTURAL ARCHAIC MATERIALS SECTION 8-804 ALLOWABLE CONDITIONS FOR SPECIFIC MATERIALS SECTION 8-805 MASONRY
399	SECTION 8-806 ADOBE SECTION 8-807 WOOD SECTION 8-808 CONCRETE SECTION 8-809 STEEL AND IRON
400	TABLE8-8A STRENGTH VALUES FOR EXISTING MATERIALS SECTION 8-810 HOLLOW CLAY TILE SECTION 8-811 VENEERS SECTION 8-812 GLASS AND GLAZING
401	TABLE 8-8B STRENGTH VALUES OF NEW MATERIALS USED IN CONNECTION WITH EXISTING CONSTRUCTION
402	CHAPTER 8-9 MECHANICAL, PLUMBING AND ELECTRICAL REQUIREMENTS SECTION 8-901 PURPOSE, INTENT AND SCOPE SECTION 8-902 MECHANICAL
403	SECTION 8-903 PLUMBING
404	SECTION 8-904 ELECTRICAL
406	CHAPTER 8-10 QUALIFIED HISTORICAL DISTRICTS, SITES AND OPEN SPACES SECTION 8-1001 PURPOSE AND SCOPE SECTION 8-1002 APPLICATION SECTION 8-1003 SITE RELATIONS
408	APPENDIX A CHAPTER 8-6 TABLE 1—PROVISION APPLICABILITY
409	TABLE 1—PROVISION APPLICABILITY—continued
410	HISTORY NOTE APPENDIX
412	ICC DIGITAL CODES PREMIUM
413	ICC ASSESSMENT CENTER
414	2022 CALIFORNIA REFERENCED STANDARDS CODE CALIFORNIA CODE OF REGULATIONS TITLE 24, PART 12 TITLE PAGE
415	COPYRIGHT
416	PREFACE ACKNOWLEDGMENTS
418	CALIFORNIA CODE OF REGULATIONS, TITLE 24 CALIFORNIA AGENCY INFORMATION CONTACT LIST
419	HOW TO DETERMINE WHERE CHANGES HAVE BEEN MADE
420	TABLE OF CONTENTS
422	PART 12 CROSS REFERENCE TABLE
424	CHAPTER 12-1 ADMINISTRATION
426	CHAPTER 12-3 RELEASING SYSTEMS FOR SECURITY BARS IN DWELLINGS INTRODUCTION SECTION 12-3-1 SCOPE SECTION 12-3-2 GENERAL
427	CONSTRUCTION SECTION 12-3-3 ASSEMBLY SECTION 12-3-4 MATERIALS
428	PERFORMANCE SECTION 12-3-5 TEST SETUP AND SAMPLE PREPARATION
429	SECTION 12-3-6 SECURE ATTACHMENT TEST SECTION 12-3-7 OPERATION TEST SECTION 12-3-8 MANUAL ACTUATION TEST SECTION 12-3-9 ENDURANCE TEST
430	SECTION 12-3-10 ENVIRONMENTAL EXPOSURE TEST SECTION 12-3-11 ABUSE TEST MARKINGS AND INSTRUCTIONS SECTION 12-3-12 MARKINGS SECTION 12-3-13 INSTRUCTION MANUAL
432	CHAPTER 12-4A LABORATORY ANIMAL QUARTERS STANDARDS STANDARD 12-4A-1
434	CHAPTER 12-4-1 STAGE AND PLATFORMS SMOKE OR HEAT VENTILATORS STANDARD 12-4-1 STATE FIRE MARSHAL SMOKE OR HEAT VENTILATORS
436	CHAPTER 12-7-1 FIRE-RESISTIVE STANDARDS FIRE TESTS OF BUILDING CONSTRUCTION AND MATERIALS STANDARD 12-7-1 STATE FIRE MARSHAL SCOPE FIRE TESTING FURNACES AND CONTROL UNEXPOSED SURFACE TEMPERATURES CLASSIFICATION AS DETERMINED BY TEST
437	TEST SPECIMEN DURATION AND CONDUCT OF TESTS
438	TESTS OF BEARING WALLS AND PARTITIONS TESTS OF NONBEARING WALLS AND PARTITIONS TEST OF COLUMNS
439	ALTERNATE TEST OF PROTECTION FOR STRUCTURAL STEEL COLUMNS TESTS OF FLOORS AND ROOFS
440	TESTS OF LOADED RESTRAINED STRUCTURAL FRAME MEMBERS
442	TESTS OF CEILING CONSTRUCTIONS TESTS OF PROTECTION FOR COMBUSTIBLE FRAMING, OR FOR COMBUSTIBLE FACINGS ON THE UNEXPOSED SIDE OF WALLS, PARTITIONS AND FLOORS STANDARD FIRE ENDURANCE TEST REPORT FORM
443	TABLE SFM 12-7-1A CONDITIONS FOR HOSE STREAM TEST
444	CHAPTER 12-7-2 FIRE-RESISTIVE STANDARDS
446	CHAPTER 12-7-3 FIRE-RESISTIVE STANDARDS FIRE TESTING FURNACES STANDARD 12-7-3 STATE FIRE MARSHAL SCOPE BURNERS AND FUEL TIME-TEMPERATURE CURVE
447	FURNACE CONTROL
448	TABLE 12-7-3A STANDARD TIME-TEMPERATURE CURVE FOR CONTROL OF FIRE TESTS CORRELATION
449	TABLE 12-7-3A—continued STANDARD TIME-TEMPERATURE CURVE FOR CONTROL OF FIRE TESTS
450	FIGURE 12-7-3-1 TIME TEMPERATURE CURVE
452	CHAPTER 12-7-4 FIRE-RESISTIVE STANDARDS FIRE DOOR ASSEMBLY TESTS STANDARD 12-7-4 STATE FIRE MARSHAL SCOPE FIRE TESTING FURNACES AND CONTROL UNEXPOSED SURFACE TEMPERATURES TEST ASSEMBLIES
453	CONDUCT OF TESTS TABLE 12-7-4A HOSE STREAM TEST
454	REPORT CONDITIONS OF ACCEPTANCE
455	MARKING
456	CHAPTER 12-7-5 FIRE-RESISTIVE STANDARDS INTERIOR FINISH OF DECORATIVE MATERIAL STANDARD 12-7-5 STATE FIRE MARSHAL SCOPE TEST SETUP AND PERFORMANCE
458	CHAPTER 12-7A MATERIALS AND CONSTRUCTION METHODS FOR EXTERIOR WILDFIRE EXPOSURE EXTERIOR WALL SIDING AND SHEATHING SFM STANDARD 12-7A-1
459	FIGURE 1. TEST FIGURE SCHEMATIC FIGURE 2. GAS BURNER IGNITION SOURCE
462	EXTERIOR WINDOWS SFM STANDARD 12-7A-2
463	FIGURE 1. SCHEMATIC OF THE WALL ASSEMBLY
464	HORIZONTAL PROJECTION UNDERSIDE SFM STANDARD 12-7A-3
465	FIGURE 1. EAVES TEST ASSEMBLY
466	DECKING SFM STANDARD 12-7A-4
468	FIGURE 1. DECK TEST ASSEMBLY (UNDER DECK-FLAME) FIGURE 2. DECK TEST ASSEMBLY (BURNING-BRAND)
469	DECKING ALTERNATE METHOD A SFM STANDARD 12-7A-4A
472	CHAPTER 12-8-1 FIRE-RESISTIVE STANDARDS FOR FIRE PROTECTION STANDARD 12-8-100 ROOM FIRE TEST FOR WALL AND CEILING MATERIALS (See Chapter 35, California Building Code.) STATE FIRE MARSHAL SCOPE FIRE AND SMOKE MEASUREMENTS AND PHOTOGRAPHIC RECORD
473	REPORT TEST SAMPLES
474	SUMMARY OF METHOD AND HEAT SOURCE IGNITION SOURCE AND LOCATION COMPARTMENT DIMENSIONS AND CONSTRUCTION SPECIMEN MOUNTING AND TEST MATERIAL SIZE FIRE COMPARTMENT ENVIRONMENT
475	AMBIENT CONDITIONS IN TEST BUILDING AND FIRE COMPARTMENT SPECIMEN CONDITIONING INSTRUMENTATION
477	TABLE 12-8-1A IGNITION SOURCE RATE OF HEAT RELEASE PROGRAM FOR TESTS OF SAFETY CELL PADDING MATERIALS CALIBRATION AND DOCUMENTATION OF IGNITION SOURCE AND TEST EQUIPMENT TEST PROCEDURE FLASHOVER AND SMOKE MARKINGS
478	FIGURE 12-8-1—TIME—MINUTES FIGURE 12-8-2—LOCATION OF HEAT FLUX METERS
479	FIGURE 12-8-3—ROOM THERMOCOUPLE LOCATIONS
480	FIGURE 12-8-4—SECTION VIEW OF ROOM TEST APPARATUS
481	FIGURE 12-8-5—PLAN VIEW OF CANOPY HOOD FIGURE 12-8-6—BIDIRECTIONAL PROBE
482	FIGURE 12-8-7—GAS BURNER
483	FIGURE 12-8-8—BURNER GAS FLOW CONTROL AND MEASUREMENT
484	APPENDIX 12-8-1A CALCULATION OF THE TOTAL RATE OF HEAT AND CARBON MONOXIDE OR CARBON DIOXIDE PRODUCTION EQUATION 1 EQUATION 2 EQUATION 3 EQUATION 4 EQUATION 5 EQUATION 6 EQUATION 7 EQUATION 8 EQUATION 9 EQUATION 10 EQUATION 11
485	EQUATION 12 EQUATION 13 EQUATION 14 EQUATION 15 EQUATION 16 EQUATION 17 EQUATION 18 EQUATION 19 EQUATION 20
486	APPENDIX 12-8-1B GUIDE TO MOUNTING TECHNIQUES FOR WALL AND CEILING INTERIOR FINISH MATERIAL GENERAL ACOUSTICAL MATERIALS AND OTHER BOARD MATERIALS BATT OR BLANKET-TYPE INSULATING AND OTHER FLEXIBLE MATERIALS BUILDING UNITS COATINGS OR SPRAY APPLIED MATERIALS
487	FIGURE 12-8-1B-1—TYPICAL STEEL FRAME SUPPORT SYSTEM FIGURE 12-8-1B-2—MATERIAL FASTENING TECHNIQUE WALL COVERING MATERIAL
488	FIGURE 12-8-1B-3—TYPICAL MOUNTING TECHNIQUE FOR RIGID WALL MATERIALS
489	FIGURE 12-8-1B-4—TYPICAL MOUNTING TECHNIQUE FOR FLEXIBLE WALL MATERIALS
490	FIGURE 12-8-1B-5—TYPICAL MOUNTING TECHNIQUE FOR CEILING MATERIALS
492	CHAPTER 12-10-1 EXITS POWER-OPERATED EXIT DOORS STANDARD 12-10-1 STATE FIRE MARSHAL SCOPE GENERAL
493	SWINGING DOORS SLIDING DOORS
494	MARKING
496	CHAPTER 12-10-2 EXITS SINGLE-POINT LATCHING OR LOCKING DEVICES STANDARD 12-10-2 STATE FIRE MARSHAL SCOPE INSTRUCTIONS DESIGN
497	CONSTRUCTION MATERIALS ENDURANCE AND PERFORMANCE TEST PROCEDURES
498	THICKNESS OF COATINGS TESTS MARKING
499	FIGURE 12-10-2-1 STATIC LOADING FIXTURE
500	FIGURE 12-10-2-2—ENDURANCE LIFE TESTING APPARATUS
502	CHAPTER 12-10-3 EXITS EMERGENCY EXIT AND PANIC HARDWARE STANDARD 12-10-3 STATE FIRE MARSHAL SCOPE INSTRUCTIONS DESIGN CONSTRUCTION MATERIALS
503	ENDURANCE AND PERFORMANCE TESTS EMERGENCY OPERATION TEST MARKING
504	CHAPTERS 12-11A AND 12-11B BUILDING AND FACILITY ACCESS SPECIFICATIONS PRODUCT APPROVAL FOR DETECTABLE WARNING PRODUCTS AND DIRECTIONAL SURFACES SCOPE DETECTABLE WARNING PRODUCTS DIRECTIONAL SURFACES INDEPENDENT ENTITY TWO-YEAR APPROVAL FEE DISABILITY ACCESS ACCOUNT DETECTABLE WARNING PRODUCTS AND DIRECTIONAL SURFACES SIGNIFICANT DEGRADATION SELECTION OF INDEPENDENT ENTITY
506	CHAPTER 12-12 RESERVED
508	CHAPTER 12-13 STANDARDS FOR INSULATING MATERIAL (See Part 6, Title 24, CCR) DEPARTMENT OF CONSUMER AFFAIRS BUREAU OF HOME FURNISHINGS AND THERMAL INSULATIONM ARTICLE 3. STANDARDS FOR INSULATING MATERIAL APPLICATION AND SCOPE DEFINITIONS
509	QUALITY STANDARDS
515	UREA FORMALDEHYDE FOAM INSULATION SAFETY NOTICE
517	APPROVAL OF TESTING LABORATORIES CERTIFICATION
518	QUALITY ASSURANCE IDENTIFICATION INSPECTIONS PERFORMANCE TESTS COSTS OF INSPECTION AND TESTING
519	ENFORCEMENT RELEASE OF INFORMATION LIABILITY INSULATING EXISTING BUILDINGS INTERPRETATION
520	CHAPTER 12-16-1 ENGINEERING REGULATIONS—QUALITY AND DESIGN OF THE MATERIALS OF CONSTRUCTION STANDARD 12-16-1 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) DIVISION OF THE STATE ARCHITECT DIVISION 1—CONSTRUCTION SCOPE
522	CHAPTER 12-16-2 ENGINEERING REGULATIONS—QUALITY AND DESIGN OF THE MATERIALS OF CONSTRUCTION STANDARD 12-16-2 CALIFORNIA STANDARD FOR RESIDENTIAL EXCESS FLOW ACTUATED AUTOMATIC GAS SHUTOFF VALVES (See CCR Title 24, Part 5, Chapter 12) DIVISION OF THE STATE ARCHITECT DIVISION 1—CONSTRUCTION SCOPE
524	CHAPTER 12-31C RADIATION SHIELDING STANDARDS STANDARD 12-31C-1 DEPARTMENT OF HEALTH SERVICES ALL HEALING ARTS X-RAY INSTALLATIONS
526	CHAPTER 12-71 AIR FILTERS AIR FILTERS STANDARD 12-71-1 STATE FIRE MARSHAL DESCRIPTION OF TEST APPARATUS, METHOD AND CLASSIFICATION REQUIREMENTS FOR AIR FILTERS
528	CHAPTER 12-72-1 PROTECTIVE SIGNALING SYSTEMS PROTECTIVE SIGNALING SYSTEMS, STANDARD TEST PROCEDURES STANDARD 12-72-1 STATE FIRE MARSHAL SCOPE TEST REPORTS
529	GENERAL
533	PERFORMANCE
538	PRINTED WIRING BOARDS
539	RELAYS FOR PROTECTIVE SIGNALING SERVICE
540	TABLE 12-72-1A—CAST-METAL ENCLOSURES SEMICONDUCTOR TESTS ELECTRICAL RATING
541	TABLE 12-72-1B—SHEET-METAL ENCLOSURES TABLE 12-72-1C—MINIMUM ACCEPTABLE SPACINGS IN INCHES TABLE 12-72-1D—ENDURANCE TEST
542	CHAPTER 12-72-2 PROTECTIVE SIGNALING SYSTEMS SINGLE- AND MULTIPLE-STATION FIRE ALARM DEVICES MECHANICALLY OPERATED TYPE STANDARD 12-72-2 STATE FIRE MARSHAL SCOPE TEST REPORTS GENERAL
543	PERFORMANCE
547	INSTRUCTIONS MARKING TESTING OVEN
548	TABLE 12-72-2A—TEMPERATURE CLASSIFICATIONS TABLE 12-72-2B—TEMPERATURE CLASSIFICATIONS
549	FIGURE 12-72-2-1—TIME-TEMPERATURE CURVE—15-FOOT SPACINGS FIGURE 12-72-2-2—FIRE-TEST LAYOUT
550	FIGURE 12-72-2-3—TEST OVEN
552	CHAPTER 12-72-3 PROTECTIVE SIGNALING SYSTEMS SMOKE DETECTORS, COMBUSTION PRODUCTS TYPE STANDARD 12-72-3 STATE FIRE MARSHAL SCOPE TEST REPORTS
553	GENERAL
561	PERFORMANCE
570	TESTS ON THERMOPLASTIC MATERIALS
571	TABLE 12-72-3A—CAST-METAL ENCLOSURES TABLE 12-72-3B—SHEET METAL ENCLOSURES
572	TABLE 12-72-3C—THICKNESS OF GLASS COVERS TABLE 12-72-3D—THICKNESS OF INSULATING MATERIAL TABLE 12-72-3E—MINIMUM SPACINGS
573	TABLE 12-72-3F—MAXIMUM TEMPERATURE RISES
574	TABLE 12-72-3G—OBSCURATION—OPTICAL DENSITY CHART (Based on a 5-foot light beam)
575	FIGURE 12-72-3-1—SMOKE DETECTOR TEST CHAMBER FIGURE 12-72-3-2—FIRE TEST DETECTOR INSTALLATION
576	FIGURE 12-72-3-3—JARRING TEST
578	HISTORY NOTE APPENDIX
580	ICC DIGITAL CODES PREMIUM
581	GENERAL CODE BUILDING VIBRANT, RESILIENT COMMUNITIES TOGETHER


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Standard Title	County of Los Angeles Existing Building Code – Full Code
Published Code	CA
Publication Date	2023
Pages Count	581