This chapter shall be known and cited as the "Dixon Building Code" and may hereinafter be referred to as such or "this code." Article, section, division, and appendix numbers used in DMC § 16.03.030 are those of the California Building Code or codes adopted therein by reference.
(Ord. 22-008 § 4)
Those certain codes and standards known as the 2025 California Building Code, Title 24, California Code of Regulations, Part 2 (hereinafter the “California Building Code” or “CBC”), which incorporates and amends by reference the 2024 International Building Code (IBC) published by the International Code Council, and Appendices: Chapter 1 (Administration), Appendix B (Board of Appeals), Appendix C (Group U Agricultural Buildings), Appendix G (Flood-Resistant Construction), Appendix H (Signs), Appendix I (Patio Covers), Appendix J (Grading), Appendix P (Sleeping Lofts), and Appendix Q (Emergency Housing) are hereby adopted by reference save and except such portions as are deleted, modified or amended by DMC § 16.03.030. Not less than one copy of the CBC has been and is now filed in the Dixon Building Department, 600 East A Street, Dixon, CA 95620. Said code is adopted by reference pursuant to Cal. Gov't Code § 50022 et seq.
(Ord. 22-008 § 4; Ord. 25-007, 12/2/2025)
Notwithstanding the provisions of DMC § 16.03.020, the CBC and the IBC are amended as follows:
Section 109.4 is amended to read as follows:
109.4 Work commencing before permit issuance. Any person who commences any work before obtaining the necessary permits shall be subject to an investigation fee equal to three times the building permit fee that shall be in addition to the required permit fees.
Section 406.3.1.1 is added to read as follows:
Section 406.3.1.1, Concrete Driveways and Asphalt Paving.
A. All concrete driveways designed to access Group U occupancies associated with private garages or carports shall be constructed with the following requirements:
1. The minimum thickness of concrete driveway slabs supported directly on the ground shall not be less than 4 inches.
2. The minimum concrete mix shall be 5 sacks per cubic yard of concrete.
3. The concrete driveway shall be reinforced with not less than six inches by six inches ten-gauge wire mesh or an approved alternate installed at mid height of the slab.
4. The concrete driveway shall be underlain by a minimum of three inches of gravel base material.
B. Asphalt Paving.
1. The minimum structural section of on-site asphalt paving shall be 3 inches of asphalt concrete over 8 inches of Class II aggregate base.
2. The Class II aggregate base shall be compacted to a minimum 95% over subgrade compacted to 92%.
3. In shipping areas, or other areas paved in anticipation of regular truck traffic, the minimum structural section shall be based upon the recommendations of the certified soils engineering report according to an appropriate traffic index for the anticipated use.
Section 1030.3.1 is added to read as follows:
Section 1030.3.1 Emergency Egress Window Replacement. Replacement of windows and frames for bedrooms shall meet current CBC egress requirements for height and width.
Section 1505.1.2 is amended to read as follows:
1505.1.2 Roof coverings within all other areas. The entire roof covering of every existing structure where more than 50 percent of the total roof area is replaced within any one-year period, the entire roof covering of every new structure, and any roof covering applied in the alteration, repair or replacement of the roof of every existing structure, shall be a fire-retardant roof covering that is a Class-A rated assembly.
Section 1907A.1 is amended to read as follows:
Section 1907A.1, Minimum Slab Provisions.
A. The minimum thickness of concrete floor slabs supported directly on the ground shall not be less than 4 inches.
B. The minimum concrete mix shall be 5 sacks per cubic yard of concrete.
C. The slab shall be reinforced with not less than six inches by six inches ten-gauge wire mesh or an approved alternate installed at mid height of the slab.
Appendix B:
Section 101.3, Membership of board, is amended to read as follows:
B101.3 Membership of board. The board shall consist of the current members of the Planning Commission appointed by the chief appointing authority of the jurisdiction. Each member shall serve for their tenure as a member of the Planning Commission or until a successor has been appointed. The building official shall be an ex officio member of said board but shall not vote on any matter before the board.
Section 103.1, Qualifications, is amended to read as follows:
B101.3.1 Qualifications. The board shall consist of the members of the Planning Commission, and are not employees of the jurisdiction.
(Ord. 22-008 § 4)
Any person who violates any of the provisions of this chapter or the codes adopted by reference and amended herein or fails to comply therewith, or who violates or fails to comply with any order made thereunder, or who builds in violation of any detailed statement of specifications or plans submitted and approved thereunder, or any certificate or permit issued thereunder, shall severally for each and every such violation and noncompliance, respectively, be guilty of a misdemeanor, unless the City Attorney determines the violation should be punished as an infraction. Misdemeanor violations shall be punishable by a fine of not less than one hundred dollars ($100.00) nor more than one thousand dollars ($1,000.00), or by imprisonment in the County jail for a period of time not to exceed six (6) months, or by both such fine and imprisonment. The imposition of one (1) penalty for any violation shall not excuse the violation or permit it to continue; and all such persons shall be required to correct or remedy such violations or defects within a reasonable time; and when not otherwise specified, each ten (10) days that prohibited conditions are maintained shall constitute a separate offense.
The application of any above-mentioned penalty shall not be held to prevent the enforced removal of the prohibited conditions and/or the imposition of administrative fines or citations for the violation of the provisions of this chapter if approved by the City Council.
(Ord. 22-008 § 4)
In addition to any other enforcement mechanism prescribed by law, this chapter may be enforced by the issuance of administrative citations pursuant to the administrative citation ordinance. (Chapter 9.01 DMC, Article VI).
(Ord. 22-008 § 4)