A. Codes Adopted: The following technical codes are hereby adopted and made a part of this ordinance, as if fully set out in this chapter.
1. Building Code: International Building Code 2021 edition, including appendix Chapter G (see international building code section 101.2.1, 2021 edition), published by the International Code Council, Inc.
2. Residential Code: International Residential Code 2021 edition, including appendix chapters A, B, C, D, E, G, J, M, and Q, (see international residential code section R101.2.1, 2021 edition), published by the International Code Council, Inc.
3. Electrical Code: The National Electrical Code (NEC) 2020 edition, published by the National Fire Protection Association.,
4. Plumbing Code: State of Illinois Plumbing Code 2014 edition, published by the Ilinois Department of Public Health.
5. Accessibility Code: Illinois Accessibility Code, American National Standard Institute 2018 edition.
6. Mechanical Code: International Mechanical Code 2021 edition, including appendix chapter A (see international mechanical code section 101.2.1, 2021 edition), published by the International Code Council, Inc.
7. Fuel Gas Code: International Fuel Gas Code, 2021 edition, including appendix chapters A, B, C (see international fuel gas code section 101.3, 2021 edition), published by the International Code Council, Inc.
8. Energy Conservation: International Energy Conservation Code, 2021 edition, published by the International Code Council, Inc., as adopted and amended by the State of Illinois.
B. Copies On File: Three (3) copies of each of the codes referenced in subsection A of this section are on file in the building and zoning office. Such codes shall be made available to all members of the public whenever the building and zoning office is open for business.
C. Amendments:
International Building Code Amendments:
IBC section 101.1 Title. Is amended by inserting the words "County of Jo Daviess, IL."
IBC section 101.4.3 Plumbing. - Delete.
IBC section 101.4.4 Property Maintenance. - Delete.
IBC section 101.4.5 Fire Prevention. - Delete.
IBC Section 103 Code Compliance Agency.
[A] 103.1 Creation of enforcement agency. The "Jo Daviess County Planning and Development Department" is hereby created and shall act as the Department of Building Safety.
IBC Chapter 11. Deleted and replaced with "2018 Illinois Accessibility Code".
IBC Chapter 13. Deleted and replaced with "2021 Illinois Energy Code".
IBC Chapter 16. Structural Design. Insert "Jo Daviess County" Dated "March 27, 2001".
IBC Section [A] 114.4 Violation Penalties. Is deleted and replaced with the following:
Any person who violates a provision of this code or fails to comply with any of the requirements thereof or who erects, constructs, alters or repairs a building or structure in violation of the approved construction documents or directive of the building official, or of a permit or certificate issued under the provisions of this code, shall be subject to fines and penalties as those specified in section 1-4-1 of the county code.
IBC Section [A] 115.2 Issuance. Is deleted and replaced with the following:
The stop work order shall be in writing and shall be given to the owner of the property involved, the owner's authorized agent, or the person performing the work, or posted in a conspicuous place in or about the structure affected by such notice. Upon issuance of a stop work order, the cited work shall immediately cease. The stop work order shall state the reason for the order and the conditions under which the cited work will be permitted to resume.
APPENDIX G FLOOD-RESISTANT CONSTRUCTION
G101.5 Designation of floodplain administrator - Insert "Jo Daviess County Floodplain Officer".
G107.1 General. Is deleted and replaced with the following:
Submittal documents consisting of construction documents and other data shall be submitted in two (2) or more sets with each application for a permit. The construction documents shall be prepared by a registered design professional. Where special conditions exist, the building official is authorized to require additional construction documents to be prepared by a registered design professional.
Exceptions:
a. The building official is authorized to waive the submission of construction documents and other data not required to be prepared by a registered design professional if it is found that the nature of the work applied for is such that reviewing of construction documents is not necessary to obtain compliance with this code.
b. The building official is authorized to waive the requirement for construction document preparation by a registered design professional where the cost of construction does not exceed twenty-five thousand dollars ($25,000.00) and the submittals are adequate to accurately depict the proposed work.
c. The building official is authorized to waive the requirement for construction document preparation by a registered design professional where the scope of the work is limited to:
1. Replacement without modification of existing doors and windows, electrical, mechanical or plumbing fixtures;
2. Replacement of existing electrical, mechanical or plumbing fixtures;
3. Re-roofing that does not involve structural modifications;
4. Landscaping, patios, sidewalks, driveways, and flatwork that does not involve a change of grade or addition of impervious surface; or
5. Other similar activities as determined by the building official.
International Residential Code Amendments
R101.1 Title. Is amended by inserting the words "County of Jo Daviess, IL."
R102.4 Referenced Codes and Standards. Is deleted and replaced with the following:
The codes and standards referenced in this code shall be considered part of the requirements of this code to the prescribed extent of each such reference. Where differences occur between provisions of this code and referenced standards, the provisions of the code shall apply. Where differences occur between provisions of this and any other provision of the county code, the most restrictive provision shall apply.
Exception:
Where enforcement of a code provision would violate the conditions of the listing of the equipment or appliance, the conditions of the listing and manufacturer's instructions shall apply.
R105.2 Work Exempt From Permit. Is deleted and replaced with the following:
Exemptions from permit requirements of this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction. Permits shall not be required for the following:
Building:
1. Other than storm shelters, one-story detached accessory structures, provided that the floor area does not exceed 120 square feet (18.58m²).
R106.1 Submittal Documents. Is deleted and replaced with the following:
Submittal documents consisting of construction documents and other data shall be submitted in two (2) or more sets with each application for a permit. The construction documents shall be prepared by a registered design professional. Where special conditions exist, the building official is authorized to require additional construction documents to be prepared by a registered design professional.
Exceptions:
The building official is authorized to waive the submission of construction documents and other data not required to be prepared by a registered design professional if it is found that the nature of the work applied for is such that reviewing of construction documents is not necessary to obtain compliance with this code.
a. The building official is authorized to waive the requirement for construction document preparation by a registered design professional where the cost of construction does not exceed twenty-five thousand dollars ($25,000.00) and the submittals are adequate to accurately depict the proposed work.
b. The building official is authorized to waive the requirement for construction document preparation by a registered design professional where the scope of the work is limited to:
1. Replacement without modification of existing doors and windows, electrical, mechanical or plumbing fixtures;
2. Replacement of existing electrical, mechanical or plumbing fixtures;
3. Re-roofing that does not involve structural modifications;
4. Landscaping, patios, sidewalks, driveways, and flatwork that does not involve a change of grade or addition of impervious surface; or
5. Other similar activities as determined by the building official.
R113.4 Violation Penalties. Is deleted and replaced with the following:
Any person who violates a provision of this code or fails to comply with any of the requirements thereof or who erects, constructs, alters or repairs a building or structure in violation of the approved construction documents or directive of the building official, or of a permit or certificate issued under the provisions of this code, shall be subject to fines and penalties as those specified in section 1-4-1 of the county code.
R114.1 Notice To Owner. Is deleted and replaced with the following:
Upon notice from the building official that work on any building or structure is being prosecuted contrary to the provisions of this code or in an unsafe and dangerous manner, such work shall be immediately stopped. The stop work order shall be in writing and shall be given to the owner of the property involved, or to the owner's agent or to the person doing the work, or posted in a conspicuous place in or about the structure affected by such notice, and shall state the reason for the order and the conditions under which work will be permitted to resume.
Table R301.2. (1)
Climactic and Geographic Design Criteria
Ground snow load | 30 lb/ft2 | R301.2(5) |
Ultimate wind design | 107 mph* | R301.2(4)A |
Seismic design category | A | |
Subject to damage form | Weathering | Severe R301.2(3) |
Frost line depth | 42 inches | |
Termite | Moderate to severe | |
Winter design temperature | -4 DEG F | Rockford |
Summer design temperature | 84 DEG dry bulb | |
72 DEG wet bulb | ||
Ice barrier underlayment | Yes | |
Flood hazards | See Maps | FEMA |
Air freezing index | 1960 | |
Annual mean temperature | 47 F | Stockton |
Heating degree days (HDD) | 6,988 | |
Cooling degree days (CDD) | 649 | |
Climate zone | 5A | |
Indoor design conditions | Max. 72F - heating | Min. 75F - cooling |
100-year hourly rainfall rate | 4 inches | |
* Ultimate Design Wind Speed replaces Basic Wind Speed as found in earlier editions. Although the values are different, there is very little practical difference in the design or construction requirements.
R302.5.1 Opening protection. Openings from private garage directly into a room used for sleeping purposes shall not be permitted. Other openings between the garage and residence shall be equipped with solid wood doors not less than 1 inches (35mm) in thickness, solid or honeycomb-core steel doors not less than 1 inches (35mm) thick, or 20-minute fire-rated doors. Equipped with self-closing or automatic-closing device.
R302.13 Fire protection of floors. Deleted
R304.1 Minimum Room Areas. Is deleted and replaced with the following:
Every dwelling unit shall have at least one habitable room that shall have not less than 120 square feet (11 m²) of gross floor area. Other habitable rooms shall have a floor area of not less than seventy (70) square feet (6.5 m²).
Exception: Kitchens.
R310.8 Conversion Into Habitable Space. Is deleted and replaced with the following:
When any area previously not approved or utilized as habitable space is converted into and/or utilized as habitable space - regardless of the amount of construction work done in this area - it shall be considered as reconstruction and be subject to the requirements of this chapter and the provisions of section R310 of this code.
R310.9 Conversion Into A Sleeping Room. Is deleted and replaced with the following:
When any area previously not approved or utilized as a sleeping room is converted into and/or utilized as a sleeping room - regardless of the amount of construction work that was or was not done in this conversion or change of utilization - it shall be subject to all requirements for new construction of a sleeping room as found in this code.
R313 Automatic Fire Sprinkler Systems. Is deleted and replaced with the following:
Deleted entire section which requires sprinkler systems to be installed in one-and-two family dwelling units and townhomes.
R401.1 is deleted and replaced with the following:
The provisions of this chapter shall control the design and construction of the foundation and foundation spaces of all buildings. Wood foundations shall not be allowed.
R402.1 Wood foundations. - Delete this and corresponding sub-sections.
R403.2 Footings for wood foundations. - Delete this and corresponding sub-sections.
R404.2 Wood foundations walls. - Delete this and corresponding sub-sections.
R405.2 Wood foundation drainage. - Delete this and corresponding sub-sections.
R504 PRESSURE PRESERVATIVE TREATED-WOOD FLOORS (ON GROUND)- Delete section and corresponding sub-sections.
Chapter 25 Plumbing Administration - Is deleted and replaced with "The design and installation of all plumbing shall be in accordance to the Illinois Plumbing Code and all other applicable federal, state and local ordinances."
Chapter 26 General Plumbing Requirements - Delete.
Chapter 27 Plumbing Fixtures - Delete.
Chapter 28 Water heaters - Delete.
Chapter 29 Water Supply and Distribution - Delete.
Chapter 30 Sanitary Drainage - Delete.
Chapter 31 Vents - Delete.
Chapter 32 Traps - Delete.
Appendix AJ Existing Buildings and Structures. Insert the following:
AJ102.10 Conversion into Habitable Space. When any area previously not approved or utilized as habitable space is converted into and/or utilized as habitable space - regardless of the amount of construction work done in this area - it shall be considered as reconstruction and be subject to the requirements of this chapter and provisions of section R310 of this code.
AJ102 .11 Conversion into A Sleeping Room. When any area previously not approved or utilized as a sleeping room is converted into and/or utilized as a sleeping room - regardless of the amount of construction work that was or was not done in this conversion or change of utilization - it shall be subject to all requirements for new construction of a sleeping room as found in this code.
International Mechanical Code Amendments
101.1 Title. Is amended by inserting the words "County of Jo Daviess, IL".
International Fire Code Amendments
101.1 Title. Is amended by inserting the words 'County of Jo Daviess, IL".
(Ord 2013-6, 10-8-2013, eff. 1-1-2014; Ord. O2021-5, 9-14-2021, eff. 11-1-2021; Ord. O2024-4, 5-14-2024, eff. 1-1-2025)