Corona Municipal Code Ch. 15.12 Fire Code

This chapter shall be cited as the Fire Code of the City of Corona and any reference in the city's municipal code or any chapter thereof to the California Fire Code, or other fire code, refers and applies to this chapter.

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019; Ord. 3251 § 10 (part), 2016; Ord. 3159 § 7 (part), 2013; Ord. 3059 § 7 (part), 2010.)

(A) Subject to the particular additions, amendments and deletions set forth in this chapter, all the rules, regulations, provisions and conditions set forth in that certain document being marked and designated as the 2025 California Fire Code, and that certain document being marked and designated as the 2024 International Fire Code, with errata, and including the following appendices, are hereby adopted as the Fire Code for the City of Corona:

(1) Appendices B and C.

(2) Appendices A, BB, CC, D, E, F, G, H, I, J, K, L, M, N, O, and P are not adopted.

(3) In addition, Chapter 3 and Sections 503, 510, 1103.2 and 5707, which were excluded in the 2025 California Fire Code, are hereby adopted and included in the Fire Code for the City of Corona.

(B) One certified copy of each of the 2025 California Fire Code and 2024 International Fire Code are on file in the office of the Building Official, and any and all references thereto, are adopted as the Fire Code and each and all of the regulations, provisions, penalties, conditions and terms thereof are referred to, adopted and made a part of this chapter, as though fully set forth at length.

(Ord. 3421 § 10 (part), 2025; Ord. 3370 § 1, 2023; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019; Ord. 3251 § 10 (part), 2016; Ord. 3159 § 7 (part), 2013; Ord. 3059 § 7 (part), 2010.)

Designated sections of the California Fire Code are amended to read as set forth in §§ 15.12.040 through 15.12.380.

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019; Ord. 3251 § 10 (part), 2016; Ord. 3159 § 7 (part), 2013; Ord. 3059 § 7 (part), 2010.)

Subsection 104.3.1 is added to read as follows:

"104.3.1 Plan Review Fees. When it is determined by the fire code official that plans submitted require a full plan review and such plans are received independent of the architectural plans, a fee shall be collected. The fee shall be based on 100% of the cost of service, based on the fee schedule adopted by the City Council."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019; Ord. 3251 § 10 (part), 2016; Ord. 3159 § 7 (part), 2013; Ord. 3059 § 7 (part), 2010.)

Section 105.5 is amended by deleting subsections 105.5.17 and 105.5.43 in their entirety and adding subsection 105.5.22.1 to read as follows:

"105.5.22.1 Hazardous Materials for Special Events. One operational permit is required and will cover special events where one or more of the following hazardous materials is stored, transported on site, dispensed, used or handled in excess of the amounts listed in Section 105: l liquid petroleum gas, compressed gases and flammable and combustible liquids."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019; Ord. 3251 § 10 (part), 2016; Ord. 3159 § 7 (part), 2013; Ord. 3059 § 7 (part), 2010.)

Section 113.4 is amended in its entirety to read as follows:

"113.4 Violation Penalties. Persons who violate a provision of this code or fail to comply with any of the requirements thereof or who erect, install, alter, repair or do work in violation of the approved construction documents or directive of the fire code official, or of a permit or certificate used under provisions of this code, shall be guilty of either a misdemeanor, infraction or both as prescribed in Section 113.4.2.1 and 113.4.2.2. Each day that a violation continues after due notice has been served shall be deemed a separate offense."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019; Ord. 3251 § 10 (part), 2016; Ord. 3159 § 7 (part), 2013; Ord. 3059 § 7 (part), 2010.)

Section 113.4.2 is added to read as follows:

"Restitution. In addition to any other penalties or provisions for restitution that may be provided for by the law, the expense of securing any emergency which is a result of a violation of this code or any other code, ordinance or State law, is a charge against the person whose violation caused the emergency. Expenses incurred for securing such emergency shall constitute a debt of such person and is collectible by the code official in the same manner as in the case of an obligation under contract, expressed or implied."

113.4.2.l Infraction. Except as provided in Section 113.4.2.2, persons operating or maintaining any occupancy, premises or vehicle subject to this code that shall permit any fire or life safety hazard to exist on premises under their control shall be guilty of an infraction.

113.4.2.2 Misdemeanor. Persons who fail to take immediate action to abate a fire or life safety hazard when ordered or notified to do so by the fire code official or a duly authorized representative, or who violate the following sections of this code, shall be guilty of a misdemeanor:

• 104.11.2 Obstructing operations

• 104.11.3 Systems and Devices

• 110.6 Overcrowding

• 113.3.2 Compliance with Orders, Notices and Tags

• 114.4 Failure to Comply

• 305.4 Deliberate or negligent burning

• 308.1.2 Throwing or placing sources of ignition

• 310.7 Burning Objects

• 3108.4 Open or exposed flames"

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019; Ord. 3251 § 10 (part), 2016; Ord. 3159 § 7 (part), 2013; Ord. 3059 § 7 (part), 2010.)

Section 202 General Definitions is amended by adding thereto the following definitions:

"All Weather Driving Surface. An all weather driving surface is a concrete or asphalt covering over base material and a roadbed compacted to ninety-five percent, and of sufficient thickness to support heavy fire apparatus (approximately 75,000 gross vehicle weight) with a grade of no more than ten percent (10%) and a minimum width of twenty-eight (28) feet, unless approval for a lesser amount is obtained from the Fire code official."

"Spark Arrester. A listed device constructed of noncombustible material specifically for the purpose of meeting one of the following conditions:

1. Removing and retaining carbon and other flammable particles/debris from the exhaust flow of an internal combustion engine in accordance with California Vehicle Code Section 38366.

2. Preventing the emission of flammable debris from combustion sources, such as internal combustion engines, fireplaces, and wood burning stoves."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019; Ord. 3251 § 10 (part), 2016; Ord. 3159 § 7 (part), 2013; Ord. 3059 § 7 (part), 2010.)

Section 304.1.3 Vegetation is amended in its entirety to read as follows:

"304.1.3 Vegetation. Weeds, grass, vines or other growth that is capable of being ignited and endangering property, shall be cut down and removed by the owner or occupant of the premises. Vegetation clearance requirement in urban-wildland interface areas shall be in accordance with Chapter 49 and the City of Corona Vegetation Management Guidelines, which the fire code official is hereby authorized to develop and implement."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 305.6 is hereby added to read as follows:

"305.6 Hazardous conditions. Outdoor fires burning wood or other solid fuel otherwise permitted by Sections 307.6 and 307.7 are prohibited when any of the following conditions apply:

1. When sustained winds exceeding 8 MPH are predicted, as determined by the fire code official based upon reasonable and verifiable data.

2. When the relative humidity is less than 25%.

3. When a red flag condition has been declared by the fire code official.

4. When otherwise prohibited by the fire code official after the posting of notice of such prohibition at City Hall in a location that is freely accessible to members of the public, on the City's website and any other locations or social media sites that the fire code official determines are necessary or appropriate.

Outdoor fires using any fuel type are prohibited when sustained winds exceeding 20 MPH are predicted, as determined by the fire code official based upon reasonable and verifiable data, or when such fires present a hazard as determined by the fire code official."

(Ord. 3521 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 307 6 is hereby added to read as follows:

"307.6 Outdoor Fireplaces, Fire Pits, Fire Rings, or similar devices used at Group R Occupancies. Outdoor fireplaces, fire pits, fire rings, or similar exterior devices used at Group R occupancies shall comply with this section.

Exception: Barbeques, grills, and portable devices intended solely for cooking.

307.6.1 Gas-fueled devices. Outdoor fireplaces, fire pits and similar devices that are fueled by natural gas or liquefied-petroleum gas and designed to only burn a gas flame and not wood or other solid fuel are allowed when approved by the Building Division. At R-3 occupancies, combustible construction material and vegetation shall not be located within three feet of an atmospheric column that extends vertically from the perimeter of the outdoor fireplace, fire pit or similar device. At other R occupancies, the minimum distance shall be ten feet. Where a permanent hood and vent that has been approved by the Building Division is installed, combustible construction material may encroach upon this column between the bottom of the hood and the vent opening. All chimneys or vents installed in outdoor fireplaces, fire pits and similar devices shall have a spark arrester as defined in Section 202.

307.6.2 Devices using wood or fuels other than natural gas or liquefied-petroleum gas. Permanent outdoor fireplaces designed to burn wood or other solid fuel shall be constructed in accordance with the California Building Code with clearance from combustible construction material and building openings as required therein. Fires in a fireplace shall be contained within a firebox with an attached chimney. The opening in the face of the firebox shall have a spark arrester.

The burning of wood or other solid fuel in a device is prohibited within 25 feet of combustible structures unless contained within an approved permanent fireplace. Conditions which could cause a fire to spread within 25 feet of a structure or to vegetation shall be eliminated prior to ignition. Fires in devices burning wood or solid fuel shall be in accordance with Sections 305, 307, and 308.

Exceptions:

1. Portable fireplaces and fire rings/pits equipped with a spark arrester that are located at least 3 feet from combustible construction at R-3 occupancies.

2. Portable fireplaces, and fire pits/rings equipped with a device to arrest sparks, that are located at least 15 feet from combustible structures at all other R occupancies.

307.6.2.1 Where prohibited. The burning of wood and other solid fuels is prohibited within a fuel modification zone, fire hazard severity zone, Wildland-Urban Interface Area (WUI), or in locations where conditions could cause the spread of fire to the WUI.

Exceptions:

1. Permanent fireplaces that are not located in a fuel modification zone.

2. Where determined by the fire code official that the location or design of the device does not reasonably present a risk of a wildfire.”

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 307.7 is hereby added to read as follows:

"No person shall kindle, build, light or maintain, or authorize to be kindled, built or maintained, a fire in any place other than facilities specifically designed and built for that purpose. Any fire that is built, lit, kindled or maintained pursuant to this section shall comply with all applicable permits and other regulations of air pollution control authorities and all other laws, rules and regulations. Except as provided in Section 307.6 for Group R occupancies, the use of flammable or combustible liquids (except for approved charcoal lighter fluid) are strictly prohibited. Fires shall be attended by persons over twenty-one (21) years of age at all times until extinguished. A portable fire extinguisher or other approved equipment or method of extinguishing the fire shall be available for immediate use. Fires shall be fully extinguished before vacating the area."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 308.1.7 is hereby amended in its entirety to read as follows:

"308.1.7 Sky lanterns. A person shall not ignite, release, or cause to be released a sky lantern."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 324 is hereby added to read as follows:

"324 Fuel modification requirements for new construction. All new structures and facilities proposed to be constructed adjacent to land containing hazardous combustible vegetation, as determined by the fire code official, shall be reviewed in accordance with and shall be subject to the requirements of the City of Corona Vegetation Management Guidelines.”

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 325 is hereby added to read as follows:

“325 Clearance of brush or vegetation growth from roadways. The fire code official is authorized to cause areas within 10 feet (3048 mm) on each side of portions of highways and private streets which are improved, designed or ordinarily used for vehicular traffic, to be cleared of flammable vegetation and other combustible growth. Measurement of the required clearance area shall be from the flow-line or the end of the improved edge of the roadway surfaces.

Exception: Single specimens of trees, ornamental shrubbery or cultivated ground cover such as green grass, ivy, succulents or similar plants used as ground covers, provided that they do not form a means of readily transmitting fire.”

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 326 is hereby added to read as follows:

“326 Unusual circumstances. The fire code official may suspend enforcement of the City of Corona Vegetation Management Guidelines, and require reasonable alternative measures designed to advance the purpose of this code if determined that in any specific case that any of the following conditions exist:

1. Difficult terrain.

2. Danger of erosion.

3. Presence of plants included in any state and federal resources agencies, California Native Plant Society and county-approved list of wildlife, plants, rare, endangered and/or threatened species.

4. Stands or groves of trees or heritage trees.

5. Other unusual circumstances that make strict compliance with the clearance of vegetation provisions undesirable or impractical.”

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 327 is hereby added to read as follows:

“327 Restricted entry. The fire code official shall determine and publicly announce when hazardous fire areas shall be closed to entry and when such areas shall again be opened to entry. Entry or presence on hazardous fire areas that have been closed pursuant to this section is prohibited.

Exceptions:

1. Residents and owners of private property within hazardous fire areas and their invitees and guests going to or being upon their lands.

2. Entry, in the course of duty, by peace or police officers, and other duly authorized public officers, members of a fire department and members of the United States Forest Service.

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 503.2.1 is amended in its entirety to read as follows:

“503.2.1 Dimensions. Fire apparatus access roads shall have an unobstructed width of not less than 28 feet (85,344mm) exclusive of shoulders, except for approved security gates in accordance with Section 503.6, and an unobstructed vertical clearance of not less than 15 feet (4,572mm).

Exception: Vertical clearance may be reduced, provided such reduction does not impair access by fire apparatus and approved signs are installed and maintained indicating the established vertical clearance approved by the fire code official.”

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 503.2.4 is amended in its entirety to read as follows:

"503.2.4 Turning Radius. The required turning radius of a fire apparatus access road shall be 25 feet (7,620 mm) inside radius and 50 feet (15,240 mm) outside radius on all turns in the fire apparatus access road, unless otherwise approved by the fire code official."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 503.7 is hereby added to read as follows:

"503.7 Two points of access. Two points of access shall be required for new development and when existing development density is increased, unless otherwise approved by the fire code official and justified by the fire protection plan. A secondary access point shall not satisfy the requirements of this section if it directs traffic to or from the same point as the primary access point or otherwise results in a circular traffic flow."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 505.1 is amended by adding the following to the end of the section:

"Address numbers shall be illuminated during all hours of darkness. Number, size, location and means of illumination shall comply with the Corona Fire Prevention Standard for premises identification unless an alternative means or method is approved by the fire code official. Address numbers shall be continuously maintained to comply with this section."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 507.5.1 is hereby amended in its entirety to read as follows:

"507.5.1 Where required. Where a portion of the facility or building hereafter constructed or moved into or within the jurisdiction is located a greater distance from a hydrant on a fire apparatus access road than allowed in Appendix C - "Fire Hydrant Locations and Distribution", as measured by an approved route around the exterior of the facility or building, on-site hydrants and mains shall be provided where required by the fire code official."

Exceptions:

1. Group R-3 and U occupancies, equipped throughout with an approved automatic sprinkler system installed in accordance with CFC 903.3.1.1 or CFC 903.3.1.2 or CFC 903.3.1.3, provided the distance requirements shall not be more than 300 feet (91.5 m), unless otherwise approved by the fire code official."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 507.5.5 is hereby amended to read as follows:

“507.5.5 Clear space around fire protection equipment. A 3-foot (914 mm) clear space shall be maintained around the circumference of fire hydrants, fire department connections, exterior fire protection system control valves, or any other exterior fire protection system component that may require immediate access, except as otherwise required or approved."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 507.5.7 is hereby added to read as follows:

"507.5.7 Fire Hydrant Size and Outlets. Fire hydrant size and outlets shall be required as determined by the fire code official.

1. Residential Standard - one (1) four (4) inch outlet and one (1) two and one half (2 ½) inch outlet.

2. Super Hydrant Standard - one (1) four (4) inch outlet and two (2) two and one half (2 ½) inch outlets.

3. Super Hydrant Enhanced - two (2) four (4) inch outlet, and one (1) two and one half (2 ½) inch outlet."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 510.1 is hereby amended in its entirety to read as follows:

"510.1 Emergency responder communications enhancement systems in new buildings. All new buildings shall have approved emergency responder communications enhancement system (ERCES)for emergency responders within the building based upon the existing coverage levels of the public safety communication systems utilized by the City, measured at the exterior of the building. This section shall not require improvement of the City's existing public safety communication systems. The building's ERCES shall comply with the Corona Fire Department's Guideline for Emergency Responder Communications Enhancement System and, where the functionality or performance requirements in the California Fire Code are more stringent, this code.

Exceptions:

1. Where approved by the building official and the fire code official, a wired communications system in accordance with Section 907.2.13.2 shall be permitted to be installed or maintained instead of an approved communications coverage system.

2. Where it is determined by the fire code official that the communications coverage system is not needed.

3. In facilities where emergency responder communications coverage is required and such systems, components or equipment required could have a negative impact on the normal operations of that facility, the fire code official shall have the authority to accept an automatically activated emergency responder communications coverage system.

4. Structures that meet all of the following:

a. Wood construction

b. Single story

c. Does not exceed 10,000 square feet

5. Multi-family residential that meet all of the following:

a. Exterior walk up

b. No interior corridors

c. No subterranean storage or parking

6. Elevators

7. Single family residence"

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 510.4.1.3 is hereby amended in its entirety to read as follows:

"510.4.1.3 System performance. Signal strength shall be sufficient to meet the requirements of the applications being utilized by public safety for emergency operations through the coverage area as specified by the fire code official in Section 510.4.2.2. A minimum signal strength of 95dBm shall be receivable within the building. A minimum signal strength of -95 dBm shall be received by the agency's radio system when transmitted from within the building."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 710 is hereby added to read as follows:

"Section 710 Eave Protection. Buildings or structures constructed hereafter within two hundred (200) feet of high-hazard, undeveloped forest-covered, brush-covered, or grass-covered land shall have eaves or overhangs thereon protected by one-hour construction, or otherwise protected so as to prevent flying brands, ashes or sparks from entering the building or structure. The fire code official shall determine which lands are considered high-hazard, undeveloped forest-covered, brush-covered, or grass-covered for purposes of this section."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 903.3.5.3 is hereby added to read as follows:

"903.3.5.3 Hydraulically calculated systems. The design of hydraulically calculated fire sprinkler systems shall not exceed 90% of the water supply capacity.

Exception: When static pressure exceeds 100 psi and required by the Fire Code Official, the fire sprinkler system shall not exceed water supply capacity specified by Table 903.3.5.3.

TABLE 903.3.5.3

Hydraulically Calculated Systems

Design %

[Figure]

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 904.3.5 is amended in its entirety to read as follows:

"904.3.5 Monitoring. Where a building fire alarm or monitoring system is installed, automatic fire-extinguishing systems shall be monitored by the building fire alarm or monitoring system in accordance with NFPA 72."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 1201.1.l is added to read as follows:

"1201.1.1 Other Systems. Where required by the fire code official, other systems and operations, including, but not limited to battery systems assembly, battery reconditioning and storage, research and development of battery storage systems, electric vehicle manufacturing and testing, and battery charging systems for cars and carts inside of buildings or structures, shall comply with this chapter.

Exception: When approved by the fire code official, charging stations for electric vehicles located in open parking garages of Type I or II construction."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 5001.5.2 is hereby amended in its entirety to read as follows:

"5001.5.2 Hazardous Materials Inventory Statement (HMIS). When required by the fire code official, an application for a permit shall include Corona Fire Department's Chemical Classification Packet, which shall be completed and approved prior to approval of architectural and/or system plans, and/or the storage, use or handling of chemicals on the premises. The Chemical Classification packet shall meet the format requirements contained in the Corona Fire Department Chemical Classification Guideline."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 5608.2 is added to read as follows:

"Section 5608.2 - Firing. All fireworks displays shall be electronically fired."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section 5608.3 is added to read as follows:

"Section 5608.3 For aerial shells, the minimum required radius of the fallout area shall be 100 ft/in. (22 m/25 mm) of the internal mortar diameter of the largest aerial shell to be fired, unless otherwise approved by the fire chief."

(Ord. 3421 § 10 (part), 2025.)

The sections of Chapter 80 - Referenced Standards designated below are amended to read as follows:

"NFPA 13, 2025 Edition, Standard for the Installation of Sprinkler Systems is hereby amended as follows:

Section 9.4.3.1 is hereby amended to read as follows:

(1) Quick-response type as defined in Section 3.3.223.4.16

(2) Residential sprinklers in accordance with the requirements of Chapter 12

(3) Quick response CMSA sprinklers

(4) ESFR sprinklers

(5) Standard spray sprinklers used for modifications of additions to existing light hazard systems equipped with standard spray sprinklers

(6) Standard spray sprinklers used where individual standard spray sprinklers are replaced in existing light hazard systems

Section 16.12.3.3 is hereby amended to read as follows:

The FDC shall contain a minimum of two 2 54" inlets. The location shall be approved and be no more than 150 feet from a public hydrant. The FDC may be located within 150 feet of a private fire hydrant when approved by the fire code official. The size of piping and the number of inlets shall be approved by the fire code official. Fire department inlet connections shall be painted OSHA safety red. When

the fire sprinkler design density requires more than 500 gpm (including hose stream demand), or a standpipe system is included, two 2 1/2" inlets and one 4" swivel female NST inlet shall be provided. FDC inlets shall be equipped with check valves.

Section 16.12.5.7 is hereby amended to read as follows:

Section 19.1.1.2 is hereby amended by adding the following:

19.1.1.2 When fire sprinkler systems are required in buildings of undetermined use other than warehouses, they shall be designed and installed to have a fire sprinkler design density of not less than that required for an Ordinary Hazard Group 2 use, with no reduction(s) in density or design area. Warehouse fire sprinkler systems shall be designed to Figure 16.2.1.3.2(a) curve "G". Use is considered undetermined if a specific tenant/occupant is not identified at the time of permit issuance. Where a subsequent occupancy requires a system with greater capability, it shall be the responsibility of the occupant to upgrade the system to the required density for the new occupancy.

NFPA 13D 2025 Edition, Standard for the Installation of Sprinkler Systems in One- and Two- Family Dwellings and Manufactured Homes is hereby amended as follows:

Section 4.1.4 is hereby added to read as follows:

Section 5.1.1.2 is hereby deleted in its entirety.

Section 7.3 Pressure Gauges is amended to add the following Subsection 7.3.4 to read as follows:

Section 7.6 Alarms is hereby amended to read as follows:

Exterior alarm indicating device shall be listed for exterior service and audible from the street from which the house is addressed. Exterior audible devices shall be placed on the front or side of the structure and the location subject to approval by the fire code official. Additional interior alarm devices shall be required to provide audibility throughout the structure and shall be powered from an uninterruptible circuit service normally servicing other appliances in the residence.

Exception:

1. When an approved water flow monitoring system is installed, interior audible devices may be powered through the fire alarm control panel.

2. When single- or multiple-station smoke alarms specified in CBC 907.2.11 are used to sound an alarm upon waterflow switch activation.

NFPA 24, 2025 Edition, Installation of Private Fire Service Mains and Their Appurtenances is hereby amended as follows:

Section 6.2.10 Two points of connection is hereby added to read as follows:

"6.2.10 Two points of connection. When the underground fireline exceeds 500 lineal feet, two points of connection to the City water supply are required.

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section B105.1 of Appendix B is amended in its entirety to read as follows:

"B105.1 One- and two-family dwellings. The minimum fire flow and flow duration requirements for one- and two-family dwellings shall be as specified in Table B105.1."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Section B105.2 of Appendix B is amended in its entirety to read as follows:

"B105.2 Buildings other than one- and two-family dwellings, Group R-3 and R-4 buildings and townhouses. The minimum fire flow and flow duration requirements for buildings other than one- and two-family dwellings shall be as specified in Table B105.1.

Exception: A reduction in fire flow of up to 50 percent, as approved by the fire code official, is allowed when the building is provided with an approved automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2. The resulting fire flow shall not be less than 1,500 gallons per minute (5677.5 L/min) for the prescribed duration."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Tables B 105.1(1), B105.1(2) and B105.2 of Appendix B are deleted in their entirety and replaced with the following:

"TABLE B105.l

MINIMUM REQUIRED FIRE-FLOW AND FLOW DURATION FOR BUILDINGS*

*Or as otherwise required by the Fire code official.

*For fire flow requirements in a fire hazard severity zone, refer to the current adopted California Wildland-Urban Interface Code and Corona Municipal Code Chapter 15.25 Wildland-Urban Interface Code."

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

Table C102.1 of Appendix C is amended in its entirety to read as follows:

"TABLE C102.1

NUMBER AND SPACING OF FIRE HYDRANTS"

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)

When authorized by the fire code official in writing, the Building Official shall enforce provisions of this chapter under the provisions of the Corona Municipal Code, Chapter 15.70.

(Ord. 3421 § 10 (part), 2025; Ord. 3357 § 10 (part), 2022; Ord. 3306 § 11 (part), 2019.)