Oxnard Municipal Code Art. II California Building Code

The second part of twelve parts of the California Code of Regulations, Title 24, known as the California Building Code ("CBC"), 2025 Edition, including Appendices C, H, and J, as published by the Building Standards Commission, 2525 Natomas Park Drive, Suite 130, Sacramento CA 95833-2936, is hereby adopted by reference, subject to the amendments, additions, and deletions hereinafter set forth. One true copy of this code is on file in the office of the City Clerk and is available for public inspection as required by law.

(Ord. No. 3021, 3070)

(A) Chapter 1 Division II, Section [A]101.4.4: Amend Section [A]101.4.4 to read as follows:

[A]101.4.4. Property Maintenance. The provisions of the Oxnard City Code shall apply to existing structures and premises; equipment and facilities; light, ventilation, space heating, sanitation, life and fire safety hazards; responsibility of owners, operators and occupants; and occupancy of existing premises and structures.

(B) Chapter 1 Division II, Section [A]103.1: Amend Section [A]103.1 to read as follows:

[A]103.1. Creation of enforcement agency. The Building and Engineering Division of the Community Development Department is hereby created and the official in charge thereof shall be known as the building official.

(C) Chapter 1 Division II, Section [A]105.2: Amend Section [A]105.2, items 2 and 4, to read as follows:

Building:

2. Fences not over 6 feet high and concrete or masonry walls not over 3 '-6" high as measured from the lowest finished grade to the top of the wall.

3. Retaining walls that are not over 3 feet in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge or impounding Class I, II, or II-A liquids.

(D) Chapter 1 Division II, Section [A]105.3.2: Amend Section [A]105.3.2, to read as follows:

[A]105.3.2. Time limitation of application. An application for a permit for any proposed work shall be deemed to have been abandoned 180 days after the date of filing, unless such application has been pursued in good faith or a permit has been issued; except that the building official is authorized to grant one or more extensions of time for additional periods not exceeding 180 days each. The extension shall be requested in writing and justifiable cause demonstrated.

(E) Chapter 1 Division II, Section [A]107.1: Amend Section [A]107.1, to read as follows:

[A]107.1. General. Plans, specifications, engineering calculations, diagrams, soil investigation reports, special inspection and structural observation programs and other data shall constitute the submittal documents and shall be submitted in one or more sets with each application for a permit. When such plans are not prepared by an architect or engineer, the Building Official may require the applicant submitting such plans or other data to demonstrate that state law does not require that the plans be prepared by a licensed architect or engineer. The Building Official may require plans, computations and specifications to be prepared and designed by an engineer or architect licensed by the state to practice as such even if not required by state law.

EXCEPTION: The Building Official may waive the submission of plans, calculations, construction inspection requirements and other data if it is found that the nature of the work applied for is such that reviewing of plans is not necessary to obtain compliance with this Code.

Computations, diagrams, schedules, soil reports, geological or geotechnical reports, hazardous material reports and other data sufficient to show the correctness and adequacy of the plans shall be submitted when required by the Building Official.

(F) Chapter 1 Division II, Section [A]109.2: Amend Section [A]109.2, to read as follows:

[A]109.2. Schedule of permit fees. On building, structures, electrical, gas, mechanical, and plumbing systems or alterations requiring a permit, a fee for each permit shall be as set forth in the fee schedule adopted by resolution or ordinance of the City Council, in accordance with the most current policies and procedures as described in the Fees Charged to Developers document approved by the Community Development Director.

(G) Chapter 1 Division II, Section [A]110.3.12: Add Section [A]110.3.12.3 to read as follows:

[A]110.3.12.3. OSHPD 3 Inspection. For clinics and facilities covered by Office of Statewide Health Planning and development (OSHPD 3) requirements and requiring certification of the construction meeting OSHPD 3 requirements, prior to a final inspection by the building inspector, the owner shall employ an OSHPD certified inspector to conduct an inspection of all applicable OSHPD 3 requirements and prepare a report stating that the construction fully complies to all of California's OSHPD 3 requirements. The report shall be submitted to the building inspector for their review and approval prior to scheduling a final inspection for the facility.

(H) Section 903.2: Amend Section 903.2 to read as follows:

903.2. Where required. Approved automatic fire sprinkler systems shall be installed in all structures, occupancies, and locations as set forth in this section. For the purposes of this section, fire walls, fire barriers, and fire partitions shall not be considered as creating separate buildings.

(I) Section 1403.1: Amend Section 1403.1 to read as follows:

1403.1. General. The provisions of this section shall apply to exterior walls, wall coverings and components thereof. Additionally, balconies, landings, exterior stairways, occupied roofs and similar surfaces exposed to the weather and sealed underneath shall be waterproofed and sloped a minimum 1/4 unit vertical in 12 units horizontal (2% slope) for drainage. The weather- exposed areas with ceilings or horizontal projections not required to be sealed for fire resistive construction shall be provided with ventilation devices so as to provide adequate air movement to dry out any moisture infiltrating within the horizontal areas. Details and notes on ventilation devices shall be provided in the submittal drawings.

(J) Section 1505.1: Amend the first paragraph of Section 1505.1 to read as follows:

1505.1. General. The roof covering on any structure regulated by this code shall be a Class A or B roof covering. The roof covering assembly includes the roof deck, underlayment, interlayment, insulation, and covering which is assigned a roof covering classification. Roof coverings required to be listed by this section shall be tested in accordance with ASTM E 108 or UL 790. In addition, fire-retardant-treated wood roof coverings shall be tested in accordance with ASTM D 2928.

(K) Section 1507.3.1: Amend Section 1507.3.1 to read as follows:

1507.3.1. Deck Requirements. Concrete and clay tile shall be installed only over solid sheathing.

(L) Section 1511.1: Amend the first paragraph of Section 1511.1 to read as follows:

1511.1. General. All reroofing shall be constructed with Class A or B roofing and shall conform to the applicable provisions of Chapter 15 of this Code, or as approved by the building official.

(M) Section 1613.8: Add Section 1613.8 to read as follows:

1613.8. Amendments to ASCE 7. The provisions of Section 1613.8 shall be permitted as an amendment to the relevant provisions of ASCE-7.

(N) Section 1613.8.1: Add Section 1613.8.1 to read as follows:

1613.5.1. Modification to ASCE 7 Section 12.2.3.1 Exception 3. ASCE 7 Section 12.2.3.1, Exception 3 is modified to read as follows:

3. Detached one-and two-family dwellings up to two stories in height of light frame construction.

(O) Section 1613.8.2: Add Section 1613.5.2 to read as follows:

1613.8.2 Modification to ASCE 7 Section 12.11.2.2.3. ASCE 7 Section 12.11.2.2.3 is modified to read as follows:

The structural design of the footing is based on a specified compressive strength, f'c, no greater than 2,500 pounds per square inch (psi) (17.2 Mpa), regardless of the compressive strength specified in the construction documents or used in the footing construction.

3. Nonstructural concrete slabs supported directly on the ground, including concrete patios, driveways and sidewalks

(S) Section 1705.13.2: Amend Section 1705.13.2, Exception, to read as follows:

Exception: Special inspections are not required for wood shear walls, shear panels and diaphragms, including nailing, bolting, anchoring and other fastening to other elements of the seismic-force-resisting system, where either (1) the fastener spacing of the sheathing is more than 4 inches (102mm) on center (o.c.), or (2) the tabular values for allowable shear design values are reduced to seventy-five percent (75%).

(T) Section 1803.2: Amend the first paragraph of Section 1803.2 to read as follows:

1803.2. Investigations required. Geotechnical investigations shall be conducted in accordance with Sections 1803.3 through 1803.5. Whenever unusual soil conditions are found which justify a special site investigation to determine soil stability or questionable adequacy of the overall building site, the building official may require that the owner obtain a special geological, hydrological, soil gas profile, soil chemical analysis, soils contamination, or other report as may be deemed appropriate. The investigation shall be conducted by trained and experienced professionals licensed by the State of California to prepare such evaluations, recommendations, and reports.

(U) Section 1804.4: Amend Section 1804.4 to read as follows:

1804.4. Site Grading. The ground immediately adjacent to the foundation shall be sloped away from the building at a slope of not less than one unit vertical in 50 units horizontal (2-percent) for a minimum distance of 10 feet (3048 mm) measured perpendicular to the face of the wall. If physical obstructions or lot lines prohibit 10 feet (3048 mm) of horizontal distance, a 2-percent slope shall be provided to an approved alternative method of diverting water away from the foundation. Swales used for this purpose shall be sloped not less than 2 percent where located within 10 feet (3048 mm) of the building foundation. Impervious surfaces within 10 feet (3048 mm) of the building foundation shall be sloped not less than 2 percent away from the building.

Exception: Impervious surfaces shall be permitted to be sloped less than 2 percent where the surface is a door landing or ramp that is required to comply with Section 1010.1.4, 1012.3 or 1012.6.1.

The procedure used to establish the final ground level adjacent to the foundation shall account for additional settlement of the backfill.

Provisions shall be made for the control and drainage of surface water around buildings. Concentrated drainage such as rainwater from gutters and downspouts, scuppers, and roof valleys shall be diverted away from building foundations by means of concrete splash blocks or other approved non-erosive devices. Unless an alternate design is approved by the building official, under floor access crawl holes shall be provided with curbs extending not less than six (6) inches above adjacent grade to prevent surface water from entering the under floor area.

Gutters and Downspouts - when buildings are located on expansive soil having an expansion index greater than 50, gutters, downspouts, piping, and/or other non-erosive devices shall be provided to collect and conduct rainwater to a street, storm drain, or other approved watercourse or disposal area.

Lot Drainage - All lots shall be graded to drain to a street or public way that abuts the site or shall be provided with approved drainage devices. Minimum gradient of all lots shall comply with the following:

In rural areas where curbs or gutters have not been installed, drainage design plans shall be submitted for approval by the building official.

(V) Section 1804.8: Add Section 1804.8 to read as follows:

1804.8: Minimum Foundation Elevation. The top of any exterior foundation shall extend above the elevation of the lowest adjacent street gutter or the inlet of an approved drainage device not less than 25 inches. Alternative elevations are permitted subject to approval of the building official, provided that it can be demonstrated that required drainage to the point of discharge and away from the structure is provided at all locations on the site.

(W) Section 1905.1: Amend Section 1905.1 to read as follows:

1905.1. General. The text of ACI 318 shall be modified as indicated in Sections 1905.1.1 through 1905.1.11.

(X) Section 1905.1.7: Amend Section 1905.1.7 to read as follows:

1905.1.7. Section 14.1.4 of ACI 318 is not adopted. It is replaced with the following: