Chapter 4 — SPECIAL DETAILED REQUIREMENTS BASED ON OCCUPANCY AND USE
Section 446
California Building Code (Title 24, Part 2) · 2022 edition · updated 2026-09-12 · California
Italicized text is a California amendment to the model code, as printed in the official publication.
446.1 Scope.¶
The use of subterranean space for winery facili- ties in natural or manmade caves shall be in accordance with this section.
446.2 Definitions.¶
446.3 General.¶
For definitions of ASSEMBLY, FIRE APPLI- ANCE and NONCOMBUSTIBLE, see Chapter 2.
446.4 Limited application.¶
For the purpose of Section 446, certain terms are defined as follows:
TYPE 1 WINERY CAVES are natural or manmade caves used solely for storage and/or processing of wine at a win- ery facility. Type 1 winery caves are not accessible to the public.
TYPE 2 WINERY CAVES are natural or manmade caves used for the storage and/or processing of wine at a winery facility. Type 2 winery caves are accessible to the public on guided tours only.
TYPE 3 WINERY CAVES are natural or manmade caves used for the storage and/or processing of wine at a winery facility. Type 3 winery caves are accessible to the public on guided tours and contain assembly use areas.
446.5 Permits.¶
For permits to operate Type 2 and 3 winery caves, see Section 105.
446.6 Fire apparatus access roads.¶
Fire apparatus access roads shall be constructed and maintained in accordance with the California Fire Code, Section 503.
446.7 Construction requirements.¶
446.7.1 Allowable area. The area of winery caves shall not be limited if constructed entirely of noncombustible materials. Winery caves constructed with combustible materials shall be limited in area so that no point is more than 150 feet (45 720 mm) from an exit.
446.7.2 Interior construction. The walls and ceilings of winery caves shall not contain hidden or concealed spaces.
446.8 General requirements.¶
446.8.1 Public tours. Tours for the public shall be contin- uously guided by staff knowledgeable in the location of exits and the use of emergency notification devices.
446.8.2 Standby personnel. Per the California Fire Code, Section 2404.20, when, in the opinion of the fire chief, it is essential for public safety, the owner, agent or lessee shall employ one or more qualified persons, as required and approved by the chief, to be on duty at such place. Such individuals shall be in uniform or otherwise easily identifi- able.
Standby personnel shall be subject to the fire chief’s orders at all times when so employed and shall remain on duty during the times such places are open to the public or when such activity is being conducted.
Before the start of any activity requiring standby per- sonnel, such individuals shall:
1. Inspect the required fire appliances to ensure they are in the proper place and in good working order.
2. Inspect all exits to verify accessibility and proper operation.
While on duty, such individuals shall not be required or permitted to perform any duties other than those specified by the fire chief.
446.8.3 Open-flame devices. The use of candles and other open-flame devices shall be in accordance with California Fire Code Section 308.1.7.
446.9 Portable fire extinguishers and other fire appliances.¶
Portable fire extinguishers shall be located to be readily accessible. Its type, location and spacing throughout the facility shall be in accordance with the provisions of Title 19, Chapter 3 and California Fire Code Section 906.1. Other fire appliances shall be maintained at the site as required by the fire chief.
446.10 Fire alarm systems.¶
An approved manual fire alarm system conforming with the provisions of the California Fire Code, Section 907.2.1 shall be provided in all Type 3 winery caves.
446.11 Exits.¶
446.11.1 Distribution. Exits shall be located remotely from each other and arranged to minimize any possibility that more than one may be blocked off by any one fire or other emergency condition.
446.11.2 Number. Winery caves shall be provided with a minimum of two exits.
Assembly areas of Type 3 winery caves shall be pro- vided with exits as required by the California Building Code for Group A Occupancies.
446.12 Exit illumination.¶
446.12.1 General. Exits shall be illuminated to a minimum intensity of not less than 1 foot-candle (10.76 lx) at floor level whenever the winery cave is occupied. Fixtures pro- viding exit illumination shall be supplied from a dedicated circuit or source of power used only for exit illumination.
446.12.2 Separate sources of power. The power supply for exit illumination may be provided by the premises’ wiring system. In the event of its failure, illumination shall be automatically provided from an emergency system in Types 2 and 3 winery caves. Emergency systems shall be supplied from storage batteries or an on-site generator set, and the system shall be installed in accordance with the requirements of the California Electrical Code.
446.13 Exit signs.¶
Exit signs shall be installed at required exits and where otherwise necessary to clearly indicate the exits from assembly areas in Type 3 winery caves.
446.14 Maximum occupant load.¶
Occupant load require- ments in the assembly areas of Type 3 winery caves shall be in accordance with Section 1004.
4-62 2022 CALIFORNIA BUILDING CODE
Copyright © 2022 by, or licensed to, International Code Council, Inc. (ALL RIGHTS RESERVED); licensed to California Building Standards Commission pursuant to License Agreement. No further reproductions is authorized. Any unauthorized reproduction or distribution is a violation of the federal copyright act and the license agreement, and subject to civil and criminal penalties thereunder.
SPECIAL DETAILED REQUIREMENTS BASED ON OCCUPANCY AND USE
446.15 Seating arrangements.¶
Seating arrangements in the assembly areas of Type 3 winery caves shall be in accor- dance with California Fire Code, Section 1028.9.
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Ask AI about this code▸Contents — California Building Code (Title 24, Part 2)
- Chapter 2 — DEFINITIONS AND ABBREVIATIONS
- Appendix G — FLOOD-RESISTANT
- Appendix L — EARTHQUAKE RECORDING
- Appendix M — TSUNAMI-GENERATED
- Appendix N — REPLICABLE
- Appendix O — PERFORMANCE-BASED
- Chapter 1 — SCOPE AND ADMINISTRATION
- Chapter 3 — OCCUPANCY CLASSIFICATION AND USE
▸Chapter 4 — SPECIAL DETAILED REQUIREMENTS BASED ON OCCUPANCY A…
Overview- Section 401
- Section 402
- Section 403
- Section 404
- Section 405
- Section 406
- Section 407
- Section 408
- Section 409
- Section 410
- Section 412
- Section 411
- Section 413
- Section 414
- Section 415
- Section 416
- Section 417
- Section 418
- Section 419
- Section 420
- Section 422
- Section 421
- Section 423
- Section 424
- Section 425
- Section 427
- Section 435
- Section 436
- Section 437
- Section 438
- Section 440
- Section 441
- Section 442
- Section 443
- Section 444
- Section 445
- Section 446
- Section 447
- Section 448
- Section 449
- Section 450
- Section 451
- Section 452
- Section 453
- Section 454
- Section 455
- Chapter 5 — GENERAL BUILDING HEIGHTS AND AREAS
- Chapter 6 — TYPES OF CONSTRUCTION
- Chapter 7 — FIRE AND SMOKE PROTECTION FEATURES
- Chapter 7A — MATERIALS AND CONSTRUCTION
- Chapter 8 — INTERIOR FINISHES
- Chapter 9 — FIRE PROTECTION AND LIFE SAFETY SYSTEMS
- Chapter 10 — MEANS OF EGRESS
- Chapter 11A — HOUSING ACCESSIBILITY
- Chapter 11B — ACCESSIBILITY TO PUBLIC BUILDINGS, PUBLIC ACCOMM…
- Chapter 12 — INTERIOR ENVIRONMENT
- Chapter 14 — EXTERIOR WALLS
- Chapter 15 — ROOF ASSEMBLIES AND ROOFTOP STRUCTURES
- Chapter 16 — STRUCTURAL DESIGN
- Chapter 16A — STRUCTURAL DESIGN
- Chapter 17 — SPECIAL INSPECTIONS AND TESTS
- Chapter 18 — SOILS AND FOUNDATIONS
- Chapter 19 — CONCRETE
- Chapter 20 — ALUMINUM
- Chapter 21 — MASONRY
- Chapter 22 — STEEL
- Chapter 23 — WOOD
- Chapter 24 — GLASS AND GLAZING
- Chapter 25 — GYPSUM BOARD, GYPSUM PANEL PRODUCTS AND PLASTER
- Chapter 26 — PLASTIC
- Chapter 27 — ELECTRICAL
- Chapter 28 — MECHANICAL SYSTEMS
- Chapter 30 — ELEVATORS AND CONVEYING SYSTEMS
- Chapter 31 — SPECIAL CONSTRUCTION
- Chapter 31B — PUBLIC POOLS
- Chapter 31C — RADIATION
- Chapter 31D — FOOD ESTABLISHMENTS
- Chapter 31F — MARINE OIL TERMINALS
- Chapter 32 — ENCROACHMENTS INTO THE PUBLIC RIGHT-OF-WAY
- Chapter 33 — SAFEGUARDS DURING CONSTRUCTION
- Chapter 35 — REFERENCED STANDARDS
- Appendix A — EMPLOYEE QUALIFICATIONS
- Appendix B — BOARD OF APPEALS
- Appendix C — GROUP U – AGRICULTURAL BUILDINGS
- Appendix D — FIRE DISTRICTS
- Appendix F — RODENTPROOFING
- Appendix H — SIGNS
- Appendix I — PATIO COVERS
- Appendix J — GRADING
- Appendix K — GROUP R-3 AND GROUP R-3.1 OCCUPANCIES
- Appendix P — EMERGENCY HOUSING