Section 446

The use of subterranean space for winery facili- ties in natural or manmade caves shall be in accordance with this section.

For definitions of ASSEMBLY, FIRE APPLI- ANCE and NONCOMBUSTIBLE, see Chapter 2.

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.

For permits to operate Type 2 and 3 winery caves, see Section 105.

Fire apparatus access roads shall be constructed and maintained in accordance with the California Fire Code, Section 503.

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.

446.8.1 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.

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.

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.

446.11.1 Distribution. Exits shall be located remotely from each other and arranged to minimize any possibility

168 2019 CALIFORNIA BUILDING CODE

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100735044

SPECIAL DETAILED REQUIREMENTS BASED ON OCCUPANCY AND USE

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.

446.12.1 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.

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.

Occupant load require- ments in the assembly areas of Type 3 winery caves shall be in accordance with Section 1004.

Seating arrangements in the assembly areas of Type 3 winery caves shall be in accor- dance with California Fire Code, Section 1028.9.