The California Existing Building Code, Title 24, Part 10. The California Building Standards Commission (CBSC): adopts certain provisions of the 2018 International Existing Building Code. This code covers repair, alterations, additions and change of occupancy for existing buildings and historical buildings, while achieving appropriate levels of safety. This is a integrated code based on the 2018 International Existing building Code. The California Existing Building Code also includes: Title 24, Part 8 California Historical Building Code (CHBC): contains regulations of the State Historical Building Safety Board. Provisions contained in the CHBC provide for the preservation, restoration, rehabilitation, relocation, or reconstruction of buildings or structures designated as qualified historical buildings or properties. The CHBC contains alternative solutions for the preservation of qualified historical buildings or properties, to provide access for persons with disabilities, to provide a cost-effective approach to preservation, and to provide for the reasonable safety of the occupants or users. Title 24, Part 12 The California Referenced Standards Code (CRSC) contains minimum test and referenced standards required by the California Building Standards Code.

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1	2019 CALIFORNIA EXISTING BUILDING CODE CALIFORNIA CODE OF REGULATIONS TITLE 24, PART 10
2	2019 CALIFORNIA EXISTING BUILDING CODE CALIFORNIA CODE OF REGULATIONS TITLE 24, PART 10 TITLE PAGE
3	COPYRIGHT
4	PREFACE ACKNOWLEDGEMENTS
5	CALIFORNIA CODE OF REGULATIONS, TITLE 24 CALIFORNIA AGENCY INFORMATION CONTACT LIST
6	HOW TO DISTINGUISH BETWEEN MODEL CODE LANGUAGE AND CALIFORNIA AMENDMENTS
7	CALIFORNIA MATRIX ADOPTION TABLES
14	TABLE OF CONTENTS
18	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 1 – SCOPE AND ADMINISTRATION
19	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 1 – SCOPE AND ADMINISTRATION—continued
20	CHAPTER 1 SCOPE AND ADMINISTRATION DIVISION I CALIFORNIA ADMINISTRATION SECTION 1.1 GENERAL
23	SECTION 1.2 BUILDING STANDARDS COMMISSION
24	SECTION 1.3 BOARD OF STATE AND COMMUNITY CORRECTIONS SECTION 1.4 DEPARTMENT OF CONSUMER AFFAIRS SECTION 1.5 CALIFORNIA ENERGY COMMISSION SECTION 1.6 DEPARTMENT OF FOOD AND AGRICULTURE SECTION 1.7 DEPARTMENT OF PUBLIC HEALTH SECTION 1.8 DEPARTMENT OF HOUSING AND COMMUNITY DEVELOPMENT SECTION 1.8.2 AUTHORITY AND ABBREVIATIONS
25	SECTION 1.8.3 LOCAL ENFORCING AGENCY
26	SECTION 1.8.4 PERMITS, FEES, APPLICATIONS AND INSPECTIONS
27	SECTION 1.8.5 RIGHT OF ENTRY FOR ENFORCEMENT SECTION 1.8.6 LOCAL MODIFICATION BY ORDINANCE OR REGULATION SECTION 1.8.7 ALTERNATE MATERIALS, DESIGNS, TESTS AND METHODS OF CONSTRUCTION
28	SECTION 1.8.8 APPEALS BOARD SECTION 1.8.9 UNSAFE BUILDINGS OR STRUCTURES
29	SECTION 1.8.10 OTHER BUILDING REGULATIONS SECTION 1.9 DIVISION OF THE STATE ARCHITECT
31	SECTION 1.10 OFFICE OF STATEWIDE HEALTH PLANNING AND DEVELOPMENT
32	SECTION 1.11 OFFICE OF THE STATE FIRE MARSHAL
36	SECTION 1.12 STATE LIBRARIAN SECTION 1.13 DEPARTMENT OF WATER RESOURCES SECTION 1.14 CALIFORNIA STATE LANDS COMMISSION
38	DIVISION II SCOPE AND ADMINISTRATION PART 1—SCOPE AND APPLICATION SECTION 101 GENERAL
39	SECTION 102 APPLICABILITY PART 2—ADMINISTRATION AND ENFORCEMENT SECTION 103 DEPARTMENT OF BUILDING SAFETY SECTION 104 DUTIES AND POWERS OF CODE OFFICIAL
41	SECTION 105 PERMITS
42	SECTION 106 CONSTRUCTION DOCUMENTS
44	SECTION 107 TEMPORARY STRUCTURES AND USES SECTION 108 FEES SECTION 109 INSPECTIONS
45	SECTION 110 CERTIFICATE OF OCCUPANCY
46	SECTION 111 SERVICE UTILITIES SECTION 112 BOARD OF APPEALS SECTION 113 VIOLATIONS
47	SECTION 114 STOP WORK ORDER SECTION 115 UNSAFE BUILDINGS AND EQUIPMENT SECTION 116 EMERGENCY MEASURES
48	SECTION 117 DEMOLITION
50	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 2 – DEFINITIONS
51	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 2 – DEFINITIONS—continued
52	CHAPTER 2 DEFINITIONS SECTION 201 GENERAL SECTION 202 GENERAL DEFINITIONS
56	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 3 – PROVISIONS FOR ALL COMPLIANCE METHODS
57	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 3 – PROVISIONS FOR ALL COMPLIANCE METHODS—continued
58	CHAPTER 3 PROVISIONS FOR ALL COMPLIANCE METHODS SECTION 301 ADMINISTRATION
59	SECTION 302 GENERAL PROVISIONS
60	SECTION 303 STRUCTURAL DESIGN LOADS AND EVALUATION AND DESIGN PROCEDURES [BS] TABLE 303.3.1 PERFORMANCE OBJECTIVES FOR USE IN ASCE 41 FOR COMPLIANCE WITH FULL SEISMIC FORCES [BS] TABLE 303.3.2 PERFORMANCE OBJECTIVES FOR USE IN ASCE 41 FOR COMPLIANCE WITH REDUCED SEISMIC FORCES
61	SECTION 304 IN-SITU LOAD TESTS SECTION 305 ACCESSIBILITY FOR EXISTING BUILDINGS (Not adopted by HCD)
62	TABLE 305.8.5 RAMPS
63	SECTION 306 RESERVED SECTION 307 [OSHPD 1R, 2, and 5] SERVICES/SYSTEMS AND UTILITIES SECTION 308 [OSHPD 1R, 2 and 5] MEANS OF EGRESS SECTION 309 [OSHPD 1R] REMOVAL OF HOSPITAL BUILDINGS FROM GENERAL ACUTE CARE SERVICES SECTIONS 310-312 RESERVED SECTION 313 EXISTING GROUP R-1 AND GROUP R-2 OCCUPANCIES [SFM]
66	SECTION 314 EXISTING HIGH-RISE BUILDINGS [SFM]
68	SECTION 315 EXISTING GROUP I OCCUPANCIES [SFM]
69	SECTION 316 EXISTING GROUP L OCCUPANCIES [SFM] SECTION 317 EARTHQUAKE EVALUATION AND DESIGN FOR RETROFIT OF EXISTING BUILDINGS
70	TABLE 316.7(1) EXEMPT AMOUNTS OF HAZARDOUS MATERIALS, LIQUIDS AND CHEMICALS PRESENTING A PHYSICAL HAZARD BASIC QUANTITIES PER LABORATORY SUITE When two units are given, values within parentheses are in cubic feet (cu. ft) or pounds (lb)
71	TABLE 316.7(2) EXEMPT AMOUNTS OF HAZARDOUS MATERIALS, LIQUIDS AND CHEMICALS PRESENTING A PHYSICAL HAZARD BASIC QUANTITIES PER LABORATORY SUITE When two units are given, values within parentheses are in pounds (lbs.)
72	TABLE 317.5 SEISMIC PERFORMANCE REQUIREMENTS BY BUILDING REGULATORY AUTHORITY AND RISK CATEGORY SECTION 318 DEFINITIONS
73	SECTION 319 SEISMIC CRITERIA SELECTION FOR EXISTING BUILDINGS
76	SECTION 320 METHOD A SECTION 321 METHOD B
77	SECTION 322 PEER REVIEW REQUIREMENTS
78	SECTION 323 ADDITIONAL REQUIREMENTS FOR PUBLIC SCHOOLS AND COMMUNITY COLLEGES [DSA-SS, DSA-SS/CC]
80	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 3A – PROVISIONS FOR ALL COMPLIANCE METHODS
82	CHAPTER 3A PROVISIONS FOR ALL COMPLIANCE METHODS SECTION 301A ADMINISTRATION SECTION 302A GENERAL PROVISIONS
83	SECTION 303A STRUCTURAL DESIGN LOADS AND EVALUATION AND DESIGN PROCEDURES
86	SECTION 304A IN-SITU LOAD TESTS SECTION 305A ACCESSIBILITY FOR EXISTING BUILDINGS
87	TABLE 305A.8.5 RAMPS
89	SECTION 306A EARTHQUAKE MONITORING INSTRUMENTS FOR EXISTING BUILDINGS SECTION 307A COMPLIANCE ALTERNATIVES FOR SERVICES/SYSTEMS AND UTILITIES
90	SECTION 308A COMPLIANCE ALTERNATIVES FOR MEANS OF EGRESS
91	SECTION 309A REMOVAL OF HOSPITAL BUILDINGS FROM GENERAL ACUTE CARE SERVICES
94	SECTION 310A HOSPITAL BUILDINGS REMOVED FROM GENERAL ACUTE CARE SERVICES
96	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 4 – REPAIRS
98	CHAPTER 4 REPAIRS SECTION 401 GENERAL SECTION 402 BUILDING ELEMENTS AND MATERIALS SECTION 403 FIRE PROTECTION SECTION 404 MEANS OF EGRESS SECTION 405 STRUCTURAL
99	SECTION 406 ELECTRICAL SECTION 407 MECHANICAL
100	SECTION 408 PLUMBING
102	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 4A – REPAIRS
104	CHAPTER 4A REPAIRS SECTION 401A GENERAL SECTION 402A BUILDING ELEMENTS AND MATERIALS SECTION 403A FIRE PROTECTION SECTION 404A MEANS OF EGRESS SECTION 405A STRUCTURAL
105	SECTION 406A ELECTRICAL SECTION 407A MECHANICAL
106	SECTION 408A PLUMBING
108	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 5 – PRESCRIPTIVE COMPLIANCE METHOD
110	CHAPTER 5 PRESCRIPTIVE COMPLIANCE METHOD SECTION 501 GENERAL SECTION 502 ADDITIONS
111	SECTION 503 ALTERATIONS
114	SECTION 504 FIRE ESCAPES (NOT ADOPTED BY HCD) SECTION 505 WINDOWS AND EMERGENCY ESCAPE OPENINGS
115	SECTION 506 CHANGE OF OCCUPANCY
116	SECTION 507 HISTORIC BUILDINGS (NOT ADOPTED BY HCD) [OSHPD 1R, 2, 4 & 5] NOT ADOPTED BY OSHPD
118	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 5A – PRESCRIPTIVE COMPLIANCE METHOD [OSHPD 1]
120	CHAPTER 5A PRESCRIPTIVE COMPLIANCE METHOD SECTION 501A GENERAL
121	SECTION 502A ADDITIONS
122	SECTION 503A ALTERATIONS
123	SECTION 504A RESERVED SECTION 505A RESERVED SECTION 506A CHANGE OF OCCUPANCY
124	SECTION 507A HISTORIC BUILDINGS
126	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 6 – CLASSIFICATION OF WORK
128	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 7 – ALTERATIONS – LEVEL 1
130	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 8 – ALTERATIONS – LEVEL 2
132	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 9 – ALTERATIONS – LEVEL 3
134	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 10 – CHANGE OF OCCUPANCY
136	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 11 – ADDITIONS
138	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 12 – HISTORIC BUILDINGS
140	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 13 – PERFORMANCE COMPLIANCE METHODS
142	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 14 – RELOCATED OR MOVED BUILDINGS
144	CHAPTER 14 RELOCATED OR MOVED BUILDINGS SECTION 1401 GENERAL SECTION 1402 REQUIREMENTS
146	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 15 – CONSTRUCTION SAFEGUARDS
148	CHAPTER 15 CONSTRUCTION SAFEGUARDS SECTION 1501 GENERAL [BS] TABLE 1501.6 PROTECTION OF PEDESTRIANS
149	SECTION 1502 PROTECTION OF ADJOINING PROPERTY SECTION 1503 TEMPORARY USE OF STREETS, ALLEYS AND PUBLIC PROPERTY
150	SECTION 1504 FIRE EXTINGUISHERS SECTION 1505 MEANS OF EGRESS SECTION 1506 STANDPIPES SECTION 1507 AUTOMATIC SPRINKLER SYSTEM SECTION 1508 ACCESSIBILITY SECTION 1509 WATER SUPPLY FOR FIRE PROTECTION
152	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE CHAPTER 16 – REFERENCED STANDARDS
154	CHAPTER 16 REFERENCED STANDARDS ASCE/SEI ASHRAE ASME
155	ASTM ICC
156	NFPA UL
158	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX A CHAPTER A1 – SEISMIC STRENGTHENING PROVISIONS FOR UNREINFORCED MASONRY BEARING WALL BUILDINGS
160	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
161	[BS] TABLE A102.1 ELEMENTS REGULATED BY THIS CHAPTER SECTION A103 DEFINITIONS SECTION A104 SYMBOLS AND NOTATIONS
162	SECTION A105 GENERAL REQUIREMENTS
163	SECTION A106 MATERIALS REQUIREMENTS
164	EQUATION A1-1 EQUATION A1-2
165	SECTION A107 QUALITY CONTROL SECTION A108 DESIGN STRENGTHS
166	[BS] TABLE A108.1(1) STRENGTH VALUES FOR EXISTING MATERIALS EQUATION A1-3 EQUATION A1-4 SECTION A109 ANALYSIS AND DESIGN PROCEDURE
167	[BS] TABLE A108.1(2) STRENGTH VALUES OF NEW MATERIALS USED IN CONJUNCTION WITH EXISTING CONSTRUCTION SECTION A110 GENERAL PROCEDURE EQUATION A1-5
168	[BS] TABLE A110.2 ALLOWABLE VALUE OF HEIGHT-TO-THICKNESS RATIO OF UNREINFORCED MASONRY WALLS SECTION A111 SPECIAL PROCEDURE EQUATION A1-6
169	EQUATION A1-7 EQUATION A1-8 EQUATION A1-9 EQUATION A1-10 EQUATION A1-11 EQUATION A1-12 EQUATION A1-13 EQUATION A1-14 EQUATION A1-15 [BS] TABLE A111.5 HORIZONTAL FORCE FACTOR, Cp
170	EQUATION A1-16 EQUATION A1-17 SECTION A112 ANALYSIS AND DESIGN EQUATION A1-18 EQUATION A1-19 EQUATION A1-20 EQUATION A1-21 EQUATION A1-22 EQUATION A1-23
171	SECTION A113 DETAILED BUILDING SYSTEM DESIGN REQUIREMENTS [BS] TABLE A113.6 MAXIMUM ALLOWABLE HEIGHT-TO-THICKNESS RATIO FOR PARAPETS
172	SECTION A114 WALLS OF UNBURNED CLAY, ADOBE OR STONE MASONRY [BS] TABLE A114.1 MAXIMUM HEIGHT-TO-THICKNESS RATIO FOR ADOBE OR STONE WALLS
173	[BS] FIGURE A111A.4.1 ACCEPTABLE DIAPHRAGM SPAN
174	[BS] FIGURE A112.2.2 ANALYSIS OF URM WALL IN-PLANE SHEAR FORCES
176	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX A CHAPTER A2 – EARTHQUAKE HAZARD REDUCTION IN EXISTING REINFORCED CONCRETE AND REINFORCED MASONRY WALL BUILDINGS WITH FLEXIBLE DIAPHRAGMS
178	CHAPTER A2 EARTHQUAKE HAZARD REDUCTION IN EXISTING REINFORCED CONCRETE AND REINFORCED MASONRY WALL BUILDINGS WITH FLEXIBLE DIAPHRAGMS SECTION A201 PURPOSE SECTION A202 SCOPE SECTION A203 DEFINITIONS SECTION A204 SYMBOLS AND NOTATIONS SECTION A205 GENERAL REQUIREMENTS
179	SECTION A206 ANALYSIS AND DESIGN
180	SECTION A207 MATERIALS OF CONSTRUCTION
182	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX A CHAPTER A3 – PRESCRIPTIVE PROVISIONS FOR SEISMIC STRENGTHENING OF CRIPPLE WALLS AND SILL PLATE ANCHORAGE OF LIGHT, WOOD-FRAME RESIDENTIAL BUILDINGS
184	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
185	SECTION A303 STRUCTURAL WEAKNESSES SECTION A304 STRENGTHENING REQUIREMENTS
188	[BS] TABLE A304.3.1 SILL PLATE ANCHORAGE AND CRIPPLE WALL BRACING [BS] TABLE A304.3.2 SILL PLATE ANCHORAGE FOR VARIOUS LENGTHS OF SILL PLATE
189	[BS] FIGURE A304.1.3 TYPICAL FLOOR TO CRIPPLE WALL CONNECTION (FLOOR JOISTS NOT PARALLEL TO FOUNDATIONS)
190	[BS] FIGURE A304.1.4(1) TYPICAL FLOOR TO CRIPPLE WALL CONNECTION (FLOOR JOISTS PARALLEL TO FOUNDATIONS)
191	[BS] FIGURE A304.1.4(2) TYPICAL FLOOR TO MUDSILL CONNECTIONS
192	[BS] FIGURE A304.1.4(3) ALTERNATIVE FLOOR FRAMING TO CRIPPLE WALL CONNECTION
193	[BS] FIGURE A304.2.3(1) NEW REINFORCED CONCRETE FOUNDATION SYSTEM
194	[BS] FIGURE A304.2.3(2) NEW MASONRY CONCRETE FOUNDATION
195	[BS] FIGURE A304.3.1(1) SILL PLATE ANCHORING TO EXISTING FOUNDATIONa
196	[BS] FIGURE A304.3.1(2) ALTERNATIVE SILL PLATE ANCHORING IN EXISTING FOUNDATION—WITHOUT CRIPPLE WALLS AND FLOOR FRAMING NOT PARALLEL TO FOUNDATIONSa
197	[BS] FIGURE A304.3.1(3) ALTERNATIVE SILL PLATE ANCHOR TO EXISTING FOUNDATION WITHOUT CRIPPLE WALL AND FLOOR FRAMING PARALLEL TO FOUNDATIONS [BS] FIGURE A304.3.1(4) SILL PLATE ANCHORING TO EXISTING FOUNDATION—ALTERNATIVE CONNECTION FOR BATTERED FOOTING
198	[BS] FIGURE A304.4.1(1) CRIPPLE WALL BRACING WITH NEW WOOD STRUCTURAL PANEL ON EXTERIOR FACE OF CRIPPLE STUDS
199	[BS] FIGURE A304.4.1(2) CRIPPLE WALL BRACING WITH WOOD STRUCTURAL PANEL ON INTERIOR FACE OF CRIPPLE STUDS
200	[BS] FIGURE A304.4.1(3) PARTIAL CRIPPLE STUD WALL ELEVATION
201	[BS] FIGURE A304.4.2 FLOOR PLAN-CRIPPLE WALL BRACING LAYOUT
202	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX A CHAPTER A4 – EARTHQUAKE RISK REDUCTION IN WOOD-FRAME RESIDENTIAL BUILDINGS WITH SOFT, WEAK OR OPEN FRONT WALLS
204	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
206	SECTION A404 PRESCRIPTIVE MEASURES FOR WEAK SECTION A405 MATERIALS OF CONSTRUCTION
207	SECTION A406 INFORMATION REQUIRED TO BE ON THE PLANS SECTION A407 QUALITY CONTROL
208	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX A CHAPTER A5 – REFERENCED STANDARDS CHAPTER A5 REFERENCED STANDARDS ASCE/SEI ASTM
209	ICC
210	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX B CHAPTER B – SUPPLEMENTARY ACCESSIBILITY REQUIREMENTS FOR EXISTING BUILDINGS AND FACILITIES
212	APPENDIX B SUPPLEMENTARY ACCESSIBILITY REQUIREMENTS FOR EXISTING BUILDINGS AND FACILITIES SECTION B101 QUALIFIED HISTORICAL BUILDINGS AND FACILITIES SECTION B102 FIXED TRANSPORTATION FACILITIES AND STATIONS
213	SECTION B103 DWELLING UNITS AND SLEEPING UNITS SECTION B104 REFERENCED STANDARDS
214	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX C CHAPTER C1 – GABLE END RETROFIT FOR HIGH-WIND AREAS
216	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
217	SECTION C103 MATERIALS OF CONSTRUCTION [BS] TABLE C103.3 MATERIAL SPECIFICATIONS FOR RETROFITSa [BS] TABLE C103.5 NAIL AND SCREW REQUIREMENTS
218	[BS] FIGURE C103.5.3 FASTENER SPACINGS FOR LUMBER-TO-LUMBER CONNECTIONS OPERATING IN SHEAR PARALLEL TO GRAIN SECTION C104 RETROFITTING GABLE END WALLS TO ENHANCE WIND RESISTANCE
219	[BS] FIGURE C104.1 BASIC GABLE END RETROFIT METHODOLOGY [BS] TABLE C104.2 STUD LENGTH LIMITATIONS BASED ON EXPOSURE AND DESIGN WIND SPEED
220	[BS] FIGURE C104.2(1) TRUSS FRAMED GABLE END
221	[BS] FIGURE C104.2(2) CONVENTIONALLY FRAMED GABLE END L-BENT STRAP
222	[BS] FIGURE C104.2(3) TRUSS FRAMED GABLE END U-BENT STRAP
223	[BS] FIGURE C104.2(4) CONVENTIONALLY FRAMED GABLE END U-BENT STRAP
224	[BS] FIGURE C104.2.3 OMITTED HORIZONTAL BRACE
226	[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)
228	[BS] FIGURE C104.2.5 ANCHOR BLOCK INSTALLATION
229	[BS] FIGURE C104.2.7 DETAIL OF RETROFIT TIE INSTALLATION
230	[BS] FIGURE C104.2.8(1) SPLICED HORIZONTAL BRACES
231	[BS] FIGURE C104.2.8(2) SPLICED HORIZONTAL BRACES
232	[BS] FIGURE C104.2.8(3) SPLICED HORIZONTAL BRACES
233	[BS] FIGURE C104.3 METHOD OF INSTALLING RETROFIT STUDS
234	[BS] FIGURE C104.3.4 NAIL PLATE FASTENING
235	[BS] FIGURE C104.3.8 RETROFIT STUD SPLICES
236	[BS] TABLE C104.4.1 ELEMENT SIZING AND SPACING FOR L-BENT RETROFIT METHOD
237	[BS] TABLE C104.4.2 ELEMENT SIZING AND SPACING FOR U-BENT RETROFIT METHOD [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 WALL TO TOP OF THE WALL BELOW
238	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE APPENDIX C CHAPTER C2 – ROOF DECK FASTENING FOR HIGH-WIND AREAS
240	CHAPTER C2 ROOF DECK FASTENING FOR HIGH-WIND AREAS SECTION C201 GENERAL SECTION C202 ROOF DECK ATTACHMENT FOR WOOD ROOFS SECTION C203 REFERENCED STANDARDS
241	[BS] TABLE C202.1.2 SUPPLEMENT FASTENERS AT PANEL EDGES AND INTERMEDIATE FRAMING
242	CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE RESOURCE A GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS AND ASSEMBLIES
244	RESOURCE A GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS AND ASSEMBLIES INTRODUCTION PURPOSE
245	1 FIRE-RELATED PERFORMANCE OF ARCHAIC MATERIALS AND ASSEMBLIES 1.1 FIRE PERFORMANCE MEASURES TUNNEL TEST RESULTS FOR EIGHT SPECIES OF LUMBER
246	1.2 COMBUSTIBLE CONSTRUCTION TYPES 2 BUILDING EVALUATION 2.1 PRELIMINARY EVALUATION
247	FIGURE 1 PRELIMINARY EVALUATION FIELD NOTES
248	FIGURE 2 PRELIMINARY EVALUATION WORKSHEET
249	2.2 FIRE RESISTANCE OF EXISTING BUILDING ELEMENTS 2.3 EFFECTS OF PENETRATIONS IN FIRE RESISTANT ASSEMBLIES 3 FINAL EVALUATION AND DESIGN SOLUTION
250	3.1 THE EXPERIMENTAL APPROACH 3.2 THE THEORETICAL APPROACH HARMATHY’S TEN RULES
253	ILLUSTRATION OF HARMATHY’S RULES EXAMPLE APPLICATION OF HARMATHY’S RULES
254	3.3 “THICKNESS DESIGN” STRATEGY 3.4 EVALUATION OF DOORS
255	FIGURE 3 MODIFICATION DETAILS
256	4 SUMMARY
258	APPENDIX RESOURCE A TABLE OF CONTENTS
260	PURPOSE AND PROCEDURE
261	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
262	TABLE 1.1.1—continued MASONRY WALLS 0″ TO LESS THAN 4″ THICK
263	TABLE 1.1.1—continued MASONRY WALLS 0″ TO LESS THAN 4″ THICK
264	FIGURE 1.1.2 MASONRY WALLS 4″ TO LESS THAN 6″ THICK TABLE 1.1.2 MASONRY WALLS 4″ TO LESS THAN 6″ THICK
265	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
266	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
267	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
268	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
269	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
270	TABLE 1.1.2—continued MASONRY WALLS 4″ TO LESS THAN 6″ THICK
271	FIGURE 1.1.3 MASONRY WALLS 6″ TO LESS THAN 8″ THICK TABLE 1.1.3 MASONRY WALLS 6″ TO LESS THAN 8″ THICK
272	TABLE 1.1.3—continued MASONRY WALLS 6″ TO LESS THAN 8″ THICK
273	TABLE 1.1.3—continued MASONRY WALLS 6″ TO LESS THAN 8″ THICK
274	TABLE 1.1.3—continued MASONRY WALLS 6″ TO LESS THAN 8″ THICK
275	TABLE 1.1.3—continued MASONRY WALLS 6″ TO LESS THAN 8″ THICK
276	FIGURE 1.1.4 MASONRY WALLS 8″ TO LESS THAN 10″ THICK TABLE 1.1.4 MASONRY WALLS 8″ TO LESS THAN 10″ THICK
277	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
278	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
279	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
280	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
281	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
282	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
283	TABLE 1.1.4—continued MASONRY WALLS 8″ TO LESS THAN 10″ THICK
284	FIGURE 1.1.5 MASONRY WALLS 10″ TO LESS THAN 12″ THICK TABLE 1.1.5 MASONRY WALLS 10″ TO LESS THAN 12″ THICK
285	TABLE 1.1.5—continued MASONRY WALLS 10″ TO LESS THAN 12″ THICK
286	TABLE 1.1.5—continued MASONRY WALLS 10″ TO LESS THAN 12″ THICK
287	TABLE 1.1.5—continued MASONRY WALLS 10″ TO LESS THAN 12″ THICK
288	FIGURE 1.1.6 MASONRY WALLS 12″ TO LESS THAN 14″ THICK TABLE 1.1.6 MASONRY WALLS 12″ TO LESS THAN 14″ THICK
289	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
290	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
291	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
292	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
293	TABLE 1.1.6—continued MASONRY WALLS 12″ TO LESS THAN 14″ THICK
294	FIGURE 1.1.7 MASONRY WALLS 14″ OR MORE THICK TABLE 1.1.7 MASONRY WALLS 14″ OR MORE THICK
295	TABLE 1.1.7—continued MASONRY WALLS 14″ OR MORE THICK
296	TABLE 1.1.7—continued MASONRY WALLS 14″ OR MORE THICK
297	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
298	TABLE 1.2.1—continued METAL FRAME WALLS 0″ TO LESS THAN 4″ THICK
299	TABLE 1.2.1—continued METAL FRAME WALLS 0″ TO LESS THAN 4″ THICK
300	TABLE 1.2.1—continued METAL FRAME WALLS 0″ TO LESS THAN 4″ THICK
301	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
302	TABLE 1.2.2—continued METAL FRAME WALLS 4″ TO LESS THAN 6″ THICK
303	TABLE 1.2.3 METAL FRAME WALLS 6″ TO LESS THAN 8″ THICK
304	TABLE 1.2.4 METAL FRAME WALLS 8″ TO LESS THAN 10″ THICK
305	TABLE 1.3.1 WOOD FRAME WALLS 0″ TO LESS THAN 4″ THICK
306	FIGURE 1.3.2 WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK TABLE 1.3.2 WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
307	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
308	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
309	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
310	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
311	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
312	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
313	TABLE 1.3.2—continued WOOD FRAME WALLS 4″ TO LESS THAN 6″ THICK
314	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
315	TABLE 1.4.2 MISCELLANEOUS MATERIALS WALLS 4″ TO LESS THAN 6″ THICK
316	FIGURE 1.5.1 FINISH RATINGS—IN ORGANIC MATERIALS TABLE 1.5.1 FINISH RATINGS—IN ORGANIC MATERIALS
317	TABLE 1.5.1—continued FINISH RATINGS—INORGANIC MATERIALS TABLE 1.5.2 FINISH RATINGS—ORGANIC MATERIALS
318	SECTION II – COLUMNS TABLE 2.1.1 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 0″ TO LESS THAN 6″
319	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″
320	TABLE 2.1.2—continued REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 10″ TO LESS THAN 12″
321	TABLE 2.1.2—continued REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 10″ TO LESS THAN 12″
322	TABLE 2.1.3 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 12″ TO LESS THAN 14″
323	TABLE 2.1.4 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 14″ TO LESS THAN 16″
324	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″
325	TABLE 2.1.5—continued REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 16″ TO LESS THAN 18″
326	TABLE 2.1.6 REINFORCED CONCRETE COLUMNS MINIMUM DIMENSION 18″ TO LESS THAN 20″
327	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″
328	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″
329	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″
330	TABLE 2.2 ROUND CAST IRON COLUMNS
331	FIGURE 2.3 STEEL COLUMNS-GYPSUM ENCASEMENTS TABLE 2.3 STEEL COLUMNS—GYPSUM ENCASEMENTS
332	TABLE 2.3—continued STEEL COLUMNS—GYPSUM ENCASEMENTS TABLE 2.4 TIMBER COLUMNS MINIMUM DIMENSION TABLE 2.5.1.1 STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION LESS THAN 6″
333	TABLE 2.5.1.2 STEEL COLUMNS—CONCRETE ENCASEMENTS 6″ TO LESS THAN 8″ THICK
334	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″
335	TABLE 2.5.1.3—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 8″ TO LESS THAN 10″
336	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″
337	TABLE 2.5.1.4—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″
338	TABLE 2.5.1.4—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″
339	TABLE 2.5.1.4—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 10″ TO LESS THAN 12″
340	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″
341	TABLE 2.5.1.5—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 12″ TO LESS THAN 14″
342	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″
343	TABLE 2.5.1.6—continued STEEL COLUMNS—CONCRETE ENCASEMENTS MINIMUM DIMENSION 14″ TO LESS THAN 16″
344	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″
345	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″
346	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″
347	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″
348	SECTION III – FLOOR/CEILING ASSEMBLIES FIGURE 3.1 FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE TABLE 3.1 FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
349	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
350	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
351	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
352	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
353	TABLE 3.1—continued FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
354	FIGURE 3.2 FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS TABLE 3.2 FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
355	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
356	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
357	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
358	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
359	TABLE 3.2—continued FLOOR/CEILING ASSEMBLIES—STEEL STRUCTURAL ELEMENTS
360	FIGURE 3.3 FLOOR/CEILING ASSEMBLIES—WOOD JOIST TABLE 3.3 FLOOR/CEILING ASSEMBLIES—WOOD JOIST
361	TABLE 3.3—continued FLOOR/CEILING ASSEMBLIES—WOOD JOIST
362	TABLE 3.3—continued FLOOR/CEILING ASSEMBLIES—WOOD JOIST
363	TABLE 3.3—continued FLOOR/CEILING ASSEMBLIES—WOOD JOIST
364	FIGURE 3.4 FLOOR/CEILING ASSEMBLIES—HOLLOW CLAY TILE WITH REINFORCED CONCRETE TABLE 3.4 FLOOR/CEILING ASSEMBLIES—HOLLOW CLAY TILE WITH REINFORCED CONCRETE
365	TABLE 3.4—continued FLOOR/CEILING ASSEMBLIES—HOLLOW CLAY TILE WITH REINFORCED CONCRETE
366	TABLE 3.4—continued FLOOR/CEILING ASSEMBLIES-HOLLOW CLAY TILE WITH REINFORCED CONCRETE
367	SECTION IV – BEAMS TABLE 4.1.1 REINFORCED CONCRETE BEAMS DEPTH 10″ TO LESS THAN 12″
368	TABLE 4.1.1—continued REINFORCED CONCRETE BEAMS DEPTH 10″ TO LESS THAN 12″
369	TABLE 4.1.1—continued REINFORCED CONCRETE BEAMS DEPTH 10″ TO LESS THAN 12″
370	TABLE 4.1.2 REINFORCED CONCRETE BEAMS DEPTH 12″ TO LESS THAN 14″
371	TABLE 4.1.2—continued REINFORCED CONCRETE BEAMS DEPTH 12″ TO LESS THAN 14″
372	TABLE 4.1.3 REINFORCED CONCRETE BEAMS DEPTH 14″ TO LESS THAN 16″
373	TABLE 4.2.1 REINFORCED CONCRETE BEAMS—UNPROTECTED DEPTH 10″ TO LESS THAN 12″ TABLE 4.2.2 STEEL BEAMS—CONCRETE PROTECTION DEPTH 10″ TO LESS THAN 12″
374	SECTION V – DOORS FIGURE 5.1 RESISTANCE OF DOORS TO FIRE EXPOSURE TABLE 5.1 RESISTANCE OF DOORS TO FIRE EXPOSURE
375	TABLE 5.1—continued RESISTANCE OF DOORS TO FIRE EXPOSURE
376	TABLE 5.1—continued RESISTANCE OF DOORS TO FIRE EXPOSURE
377	BIBLIOGRAPHY
384	INDEX
388	HISTORY NOTE APPENDIX
390	HELPFUL TOOLS FOR YOUR CALIFORNIA EXISTING BUILDING CODE
391	ICC EVALUATION SERVICE
392	2019 CALIFORNIA HISTORICAL BUILDING CODE CALIFORNIA CODE OF REGULATIONS TITLE 24, PART 8 TITLE PAGE
393	COPYRIGHT
394	PREFACE ACKNOWLEDGEMENTS
396	CALIFORNIA CODE OF REGULATIONS, TITLE 24 CALIFORNIA AGENCY INFORMATION CONTACT LIST
397	HOW TO DETERMINE WHERE CHANGES HAVE BEEN MADE
398	PART 8 CONTAINS ALTERNATIVE REGULATIONS FOR QUALIFIED HISTORICAL BUILDINGS
399	HISTORICAL PREFACE
400	TABLE OF CONTENTS
402	CHAPTER 8-1 ADMINISTRATION SECTION 8-101 TITLE, PURPOSE AND INTENT SECTION 8-102 APPLICATION SECTION 8-103 ORGANIZATION AND ENFORCEMENT
403	SECTION 8-104 REVIEW AND APPEALS SECTION 8-105 CONSTRUCTION METHODS AND MATERIALS SECTION 8-106 SHBSB RULINGS
404	CHAPTER 8-2 DEFINITIONS SECTION 8-201 DEFINITIONS
406	CHAPTER 8-3 USE AND OCCUPANCY SECTION 8-301 PURPOSE AND SCOPE SECTION 8-302 GENERAL SECTION 8-303 RESIDENTIAL OCCUPANCIES
408	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
409	SECTION 8-409 FIRE ALARM SYSTEMS SECTION 8-410 AUTOMATIC SPRINKLER SYSTEMS SECTION 8-411 OTHER TECHNOLOGIES SECTION 8-412 HIGH-RISE BUILDINGS
410	CHAPTER 8-5 MEANS OF EGRESS SECTION 8-501 PURPOSE, INTENT AND SCOP SECTION 8-502 GENERAL
411	SECTION 8-503 ESCAPE OR RESCUE WINDOWS AND DOORS SECTION 8-504 RAILINGS AND GUARDRAILS
412	CHAPTER 8-6 ACCESSIBILITY SECTION 8-601 PURPOSE, INTENT AND SCOPE SECTION 8-602 BASIC PROVISIONS SECTION 8-603 ALTERNATIVES
413	SECTION 8-604 EQUIVALENT FACILITATION
414	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
415	SECTION 8-706 LATERAL LOAD REGULATIONS
416	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
417	SECTION 8-806 ADOBE SECTION 8-807 WOOD SECTION 8-808 CONCRETE SECTION 8-809 STEEL AND IRON
418	SECTION 8-810 HOLLOW CLAY TILE SECTION 8-811 VENEERS SECTION 8-812 GLASS AND GLAZING TABLE 8-8A STRENGTH VALUES FOR EXISTING MATERIALS
419	TABLE 8-8B STRENGTH VALUES OF NEW MATERIALS USED IN CONNECTION WITH EXISTING CONSTRUCTION
420	CHAPTER 8-9 MECHANICAL, PLUMBING AND ELECTRICAL REQUIREMENTS SECTION 8-901 PURPOSE, INTENT AND SCOPE SECTION 8-902 MECHANICAL
421	SECTION 8-903 PLUMBING
422	SECTION 8-904 ELECTRICAL
424	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
426	APPENDIX A CHAPTER 8-6 TABLE 1—PROVISION APPLICABILITY
427	TABLE 1—PROVISION APPLICABILITY—continued
428	HISTORY NOTE APPENDIX
430	ICC PLAN REVIEWS
431	ICC premiumACCESS
432	2019 CALIFORNIA REFERENCED STANDARDS CODE CALIFORNIA CODE OF REGULATIONS TITLE 24, PART 12 TITLE PAGE
433	COPYRIGHT
434	PREFACE ACKNOWLEDGEMENTS
436	CALIFORNIA CODE OF REGULATIONS, TITLE 24 CALIFORNIA AGENCY INFORMATION CONTACT LIST
437	HOW TO DETERMINE WHERE CHANGES HAVE BEEN MADE
438	TABLE OF CONTENTS
440	PART 12 CROSS REFERENCE TABLE
442	CHAPTER 12-1 ADMINISTRATION
444	CHAPTER 12-3 RELEASING SYSTEMS FOR SECURITY BARS IN DWELLINGS INTRODUCTION SECTION 12-3-1 SCOPE SECTION 12-3-2 GENERAL
445	CONSTRUCTION SECTION 12-3-3 ASSEMBLY SECTION 12-3-4 MATERIALS
446	PERFORMANCE SECTION 12-3-5 TEST SETUP AND SAMPLE PREPARATION
447	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
448	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
450	CHAPTER 12-4A LABORATORY ANIMAL QUARTERS STANDARDS STANDARD 12-4A-1
452	CHAPTER 12-4-1 STAGE AND PLATFORMS SMOKE OR HEAT VENTILATORS STANDARD 12-4-1 SMOKE OR HEAT VENTILATORS
454	CHAPTER 12-7-1 FIRE-RESISTIVE STANDARDS FIRE TESTS OF BUILDING CONSTRUCTION AND MATERIALS STANDARD 12-7-1 SCOPE FIRE TESTING FURNACES AND CONTROL UNEXPOSED SURFACE TEMPERATURES CLASSIFICATION AS DETERMINED BY TEST
455	TEST SPECIMEN DURATION AND CONDUCT OF TESTS
456	TESTS OF BEARING WALLS AND PARTITIONS TESTS OF NONBEARING WALLS AND PARTITIONS TEST OF COLUMNS
457	ALTERNATE TEST OF PROTECTION FOR STRUCTURAL STEEL COLUMNS TESTS OF FLOORS AND ROOFS
458	TESTS OF LOADED RESTRAINED STRUCTURAL FRAME MEMBERS
460	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
461	TABLE SFM 12-7-1A CONDITIONS FOR HOSE STREAM TEST
462	CHAPTER 12-7-2 FIRE-RESISTIVE STANDARDS
464	CHAPTER 12-7-3 FIRE-RESISTIVE STANDARDS FIRE TESTING FURNACES STANDARD 12-7-3 SCOPE BURNERS AND FUEL TIME-TEMPERATURE CURVE
465	FURNACE CONTROL
466	TABLE 12-7-3A STANDARD TIME-TEMPERATURE CURVE FOR CONTROL OF FIRE TESTS CORRELATION
467	TABLE 12-7-3A—continued STANDARD TIME-TEMPERATURE CURVE FOR CONTROL OF FIRE TESTS
468	FIGURE 12-7-3-1 TIME TEMPERATURE CURVE
470	CHAPTER 12-7-4 FIRE-RESISTIVE STANDARDS FIRE DOOR ASSEMBLY TESTS STANDARD 12-7-4 SCOPE FIRE TESTING FURNACES AND CONTROL UNEXPOSED SURFACE TEMPERATURES TEST ASSEMBLIES
471	CONDUCT OF TESTS TABLE 12-7-4A HOSE STREAM TEST
472	REPORT CONDITIONS OF ACCEPTANCE
473	MARKING
474	CHAPTER 12-7-5 FIRE-RESISTIVE STANDARDS INTERIOR FINISH OF DECORATIVE MATERIAL STANDARD 12-7-5 SCOPE TEST SETUP AND PERFORMANCE
476	CHAPTER 12-7A MATERIALS AND CONSTRUCTION METHODS FOR EXTERIOR WILDFIRE EXPOSURE EXTERIOR WALL SIDING AND SHEATHING SFM STANDARD 12-7A-1
477	FIGURE 1. TEST FIGURE SCHEMATIC FIGURE 2. GAS BURNER IGNITION SOURCE
480	EXTERIOR WINDOWS SFM STANDARD 12-7A-2
481	FIGURE 1. SCHEMATIC OF THE WALL ASSEMBLY
482	HORIZONTAL PROJECTION UNDERSIDE SFM STANDARD 12-7A-3
483	FIGURE 1. EAVES TEST ASSEMBLY
484	DECKING SFM STANDARD 12-7A-4
486	FIGURE 1. DECK TEST ASSEMBLY (UNDER DECK-FLAME) FIGURE 2. DECK TEST ASSEMBLY (BURNING-BRAND)
487	DECKING ALTERNATE METHOD A SFM STANDARD 12-7A-4A
489	IGNITION-RESISTANT MATERIAL SFM STANDARD 12-7A-5
490	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.) SCOPE FIRE AND SMOKE MEASUREMENTS AND PHOTOGRAPHIC RECORD
491	REPORT TEST SAMPLES
492	SUMMARY OF METHOD AND HEAT SOURCE IGNITION SOURCE AND LOCATION COMPARTMENT DIMENSIONS AND CONSTRUCTION SPECIMEN MOUNTING AND TEST MATERIAL SIZE FIRE COMPARTMENT ENVIRONMENT
493	AMBIENT CONDITIONS IN TEST BUILDING AND FIRE COMPARTMENT SPECIMEN CONDITIONING INSTRUMENTATION
495	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
496	FIGURE 12-8-1—TIME—MINUTES FIGURE 12-8-2—LOCATION OF HEAT FLUX METERS
497	FIGURE 12-8-3—ROOM THERMOCOUPLE LOCATIONS
498	FIGURE 12-8-4—SECTION VIEW OF ROOM TEST APPARATUS
499	FIGURE 12-8-5—PLAN VIEW OF CANOPY HOOD FIGURE 12-8-6—BIDIRECTIONAL PROBE
500	FIGURE 12-8-7—GAS BURNER
501	FIGURE 12-8-8—BURNER GAS FLOW CONTROL AND MEASUREMENT
502	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
503	EQUATION 12 EQUATION 13 EQUATION 14 EQUATION 15 EQUATION 16 EQUATION 17 EQUATION 18 EQUATION 19 EQUATION 20
504	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
505	FIGURE 12-8-1B-1—TYPICAL STEEL FRAME SUPPORT SYSTEM FIGURE 12-8-1B-2—MATERIAL FASTENING TECHNIQUE WALL COVERING MATERIAL
506	FIGURE 12-8-1B-3—TYPICAL MOUNTING TECHNIQUE FOR RIGID WALL MATERIALS
507	FIGURE 12-8-1B-4—TYPICAL MOUNTING TECHNIQUE FOR FLEXIBLE WALL MATERIALS
508	FIGURE 12-8-1B-5—TYPICAL MOUNTING TECHNIQUE FOR CEILING MATERIALS
510	CHAPTER 12-10-1 EXITS POWER-OPERATED EXIT DOORS STANDARD 12-10-1 SCOPE GENERAL
511	SWINGING DOORS SLIDING DOORS
512	MARKING
514	CHAPTER 12-10-2 EXITS SINGLE-POINT LATCHING OR LOCKING DEVICES STANDARD 12-10-2 SCOPE INSTRUCTIONS DESIGN
515	CONSTRUCTION MATERIALS ENDURANCE AND PERFORMANCE TEST PROCEDURES
516	THICKNESS OF COATINGS TESTS MARKING
517	FIGURE 12-10-2-1—STATIC LOADING FIXTURE
518	FIGURE 12-10-2-2—ENDURANCE LIFE TESTING APPARATUS
520	CHAPTER 12-10-3 EXITS EMERGENCY EXIT AND PANIC HARDWARE STANDARD 12-10-3 SCOPE INSTRUCTIONS DESIGN CONSTRUCTION MATERIALS
521	ENDURANCE AND PERFORMANCE TESTS EMERGENCY OPERATION TEST MARKING
522	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
524	CHAPTER 12-12 RESERVED
526	CHAPTER 12-13 STANDARDS FOR INSULATING MATERIAL (See Part 6, Title 24, C.C.R.) ARTICLE 3 STANDARD FOR INSULATING MATERIAL APPLICATION AND SCOPE DEFINITIONS
527	QUALITY STANDARDS
533	UREA FORMALDEHYDE FOAM INSULATION SAFETY NOTICE
535	APPROVAL OF TESTING LABORATORIES CERTIFICATION
536	QUALITY ASSURANCE IDENTIFICATION INSPECTIONS PERFORMANCE TESTS COSTS OF INSPECTION AND TESTING
537	ENFORCEMENT RELEASE OF INFORMATION LIABILITY INSULATING EXISTING BUILDINGS INTERPRETATION
538	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 SECTION 12-16-101 SCOPE
540	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 SECTION 12-16-201 SCOPE
542	CHAPTER 12-31C RADIATION SHIELDING STANDARDS STANDARD 12-31C-1 ALL HEALING ARTS X-RAY INSTALLATIONS
544	CHAPTER 12-71 AIR FILTERS AIR FILTERS STANDARD 12-71-1 DESCRIPTION OF TEST APPARATUS, METHOD AND CLASSIFICATION REQUIREMENTS FOR AIR FILTERS
546	CHAPTER 12-72-1 PROTECTIVE SIGNALING SYSTEMS PROTECTIVE SIGNALING SYSTEMS, STANDARD TEST PROCEDURES STANDARD 12-72-1 SCOPE TEST REPORTS
547	GENERAL
551	PERFORMANCE
556	PRINTED WIRING BOARDS
557	RELAYS FOR PROTECTIVE SIGNALING SERVICE
558	TABLE 12-72-1A—CAST-METAL ENCLOSURES SEMICONDUCTOR TESTS ELECTRICAL RATING
559	TABLE 12-72-1B—SHEET-METAL ENCLOSURES TABLE 12-72-1C—MINIMUM ACCEPTABLE SPACINGS IN INCHES TABLE 12-72-1D—ENDURANCE TEST
560	CHAPTER 12-72-2 PROTECTIVE SIGNALING SYSTEMS SINGLE- AND MULTIPLE-STATION FIRE ALARM DEVICES MECHANICALLY OPERATED TYPE STANDARD 12-72-2 SCOPE TEST REPORT GENERAL
561	PERFORMANCE
565	INSTRUCTIONS MARKING TESTING OVEN
566	TABLE 12-72-2A —TEMPERATURE CLASSIFICATIONS TABLE 12-72-2B—TEMPERATURE CLASSIFICATIONS
567	FIGURE 12-72-2-1—TIME-TEMPERATURE CURVE—15-FOOT SPACINGS FIGURE 12-72-2-2—FIRE-TEST LAYOUT
568	FIGURE 12-72-2-3—TEST OVEN
570	CHAPTER 12-72-3 PROTECTIVE SIGNALING SYSTEMS SMOKE DETECTORS, COMBUSTION PRODUCTS TYPE STANDARD 12-72-3 SCOPE TEST REPORTS
571	GENERAL
579	PERFORMANCE
588	TESTS ON THERMOPLASTIC MATERIALS
589	TABLE 12-72-3A —CAST-METAL ENCLOSURES TABLE 12-72-3B—SHEET METAL ENCLOSURES
590	TABLE 12-72-3C—THICKNESS OF GLASS COVERS TABLE 12-72-3D—THICKNESS OF INSULATING MATERIAL TABLE 12-72-3E—MINIMUM SPACINGS
591	TABLE 12-72-3F—MAXIMUM TEMPERATURE RISES
592	TABLE 12-72-3G—OBSCURATION—OPTICAL DENSITY CHART (Based on a 5-foot light beam)
593	FIGURE 12-72-3-1—SMOKE DETECTOR TEST CHAMBER FIGURE 12-72-3-2—FIRE TEST DETECTOR INSTALLATION
594	FIGURE 12-72-3-3—JARRING TEST
596	HISTORY NOTE APPENDIX
598	ICC MEMBERSHIP
599	ICC ASSESSMENT CENTER

Published By	Publication Date	Number of Pages
CA	2019


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Standard Title	California Existing Building Code, Title 24, Part 10 (Includes Parts 8 & 12) (W/ ERRATA & SUPPLEMENT)
Published Code	CA
Publication Date	2019

CA ExistingBuildingCode 2019

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