A. Exclusions. The following provisions of the International Residential Code for One- and Two-Family Dwellings, 2015 Edition, are excluded from adoption by the Village. Where a range of sections is listed, the exclusion includes all sections and subsections within the specified range.
7. R108.6 Work commencing before permit issuance. (Superseded by Section 15.32.010 of the Village Code.)
10. R112 Board of Appeals. (Superseded by WVC Chapter 3.44)
11. R321.2 Platform lifts.
12. R402.1 Wood foundations.
13. R404.2 Wood foundation walls.
15. Part VII — Plumbing. Chapters 25 through 33. (Superseded by Section 15.08.060 of the Village Code)
16. Part VIII — Electrical. Chapters 34 through 42. (Superseded by Section 15.08.070 of the Village Code)
B. Amendments. The following provisions of the International Residential Code for One- and Two- Family Dwellings, 2015 Edition, are amended for adoption by the Village and shall read as follows:
1. R101.1 Title. These provisions shall be known as the Residential Code for One- and Two-Family Dwellings of the Village of Winnetka. As used in the International Residential Code for One- and Two- Family Dwellings, 2015 Edition, as adopted and amended by the Village, "this code" shall mean the Residential Code for One- and Two-Family Dwellings of the Village of Winnetka. As used in the ordinances and codes published by the Village, the term "this code" shall mean the Winnetka Village Code, and the Residential Code for One- and Two-Family Dwellings of the Village of Winnetka shall be called the "Dwelling Code."
2. R102.7 Existing structures. The legal occupancy of any structure existing on the date of adoption of this Dwelling Code shall be permitted to continue without change, except as is specifically provided in this code, including this Dwelling Code and the International Fire Code, 2015 Edition, as adopted by the Village, and except as is deemed necessary by the building official for the general safety and welfare of the occupants and the public.
3. 103.1 Creation of enforcement agency. The Department of Community Development created pursuant to Chapter 2.44 of the Village Code is hereby established as the enforcement agency for this code and the Director of Community Development shall be known as the building official.
4. 103.2 Appointment. The building official shall be appointed by the Village Manager.
5. 103.3 Deputies. Subject to the approval of the Village Manager, the building official shall have the authority to appoint a deputy building official, the related technical officers, inspectors, plan examiners and other employees. Such employees shall have powers as delegated by the building official.
6. 105.2 Work exempt from permit. Permits shall not be required for the following work. Exemptions from the permit requirements of this Dwelling 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 the Village.
a. Buildings:
i) Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work.
ii) Construction or installation of temporary motion picture, television and theater stage sets and scenery. Notwithstanding the foregoing, a film production permit shall be required as provided in Chapter 5.20 of the Village Code.
iii) Prefabricated swimming pools that are accessory to a detached one- or two- family dwelling, as applicable in Section 101.2, and that are less than 24 inches (610 mm) deep, do not exceed 5,000 gallons (18,925 L) and are installed entirely above ground.
b. Electrical:
i) Minor repair work, including the replacement of lamps or the connection of approved portable electrical equipment to approved permanently installed receptacles.
c. Mechanical:
i) Portable heating appliances.
ii) Portable ventilation appliances.
iii) Portable cooling units.
iv) Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.
v) Portable evaporative coolers.
vi) Self-contained refrigeration systems containing 10 pounds (4.54 kg) or less of refrigerant or that are actuated by motors of 1 horsepower (746 W) or less.
vi) Portable fuel cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.
d. Plumbing:
i) The stopping of leaks in drains, water, soil, waste or vent pipe; provided, however, that if any concealed trap, drainpipe, water, soil, waste or vent pipe becomes defective and it becomes necessary to remove and replace the same with new material, such work shall be considered as new work and a permit shall be obtained and inspection made as provided in this code.
ii) The clearing of stoppages or the repairing of leaks in pipes, valves or fixtures, and the removal and reinstallation of water closets, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes or fixtures.
7. 112.1 General. The Building and Zoning Board of Appeals created by Section 3.44.010 of the Village Code shall hear and decide appeals of orders, decisions or determinations made by the building official relative to the application and interpretation of this building code. Appeals shall be subject to the provisions of Chapter 15.72 of the Village Code.
8. 114.1 Notice to owner; stop work orders. The issuance of stop work orders shall be subject to the enforcement provisions set forth in Chapter 15.04 of the Village Code.
9. 115.1 Prefabricated construction. A certificate of approval by an approved agency shall be furnished with every prefabricated assembly, except where all elements of the assembly are readily accessible to inspection at the site. No element of any prefabricated assembly shall be concealed prior to inspection and approval by the building official. All elements of any prefabricated assembly shall be readily accessible for inspection at the permit site. Prefabricated assemblies shall be inspected at the building site by the building official as required by this code.
10. Section R202 - DEFINITIONS. Add the following definition: ENGINEERED STRUCTURAL COMPONENTS. A prefabricated structural element designed to carry structural loads in the form of a joist, beam, girder, header, wall panel and/or stud, used in the construction of a dwelling unit, formed primarily by a system of repetitive wood or cold-formed steel framing members. Examples of wood components are: structural composite lumber, glue laminated beams, truss-type open-web or perforated floor joists, I-joists, end-jointed lumber (without HRA adhesive), structural insulated panels, and wood structural panels.
11. Table R301.2(1) Climatic and Geographic Design Criteria. Insert under each category:
Ground snow load 30 lbs./sq. ft.
Wind Speed 90 miles per hour
Wind Design Topographical effects 0
Special Wind Region N/A
Wind-borne debris zone N/A
Seismic Design Category B
Weathering Severe
Frost Line Depth 42 below grade
Termite Moderate to heavy
Winter Design Temperature for Heating Facilities 68 degrees Fahrenheit to -10 degrees Fahrenheit w/50% humidity
Ice Barrier Underlayment Required Yes
Flood Hazards N/A
Air Freezing Index 1500
Mean Annual Temperature 50 degrees Fahrenheit
12. R302.6.1 Dwelling-garage fire separation. Where attached private garages do not have an automatic sprinkler system, the garage shall be separated from the residence and its attic area by not less than 5/8-inch gypsum board applied to the garage side. Garages beneath habitable rooms shall be separated from all habitable rooms above by not less than 5/8 inch(Type C or X) gypsum board or equivalent. Where the separation is a floor-ceiling assembly, the structure supporting the separation shall also be protected by not less than 5/8-inch gypsum board or equivalent. The sills of all door openings between private garages and adjacent interior spaces shall be raised not less than six (6) inches above the garage floor.
13. R302.12 Draftstopping. In combustible construction where there is usable space both above and below the concealed space of a floor/ceiling assembly, draftstops shall be installed so that the area of the concealed space does not exceed 1,000 square feet (or 500 square feet for non-sprinklered dwelling units). Draftstopping shall divide the concealed space into approximately equal areas. Where the assembly is enclosed by a floor membrane above and a ceiling membrane below, draftstopping shall be provided in floor/ceiling assemblies under the following circumstances:
1. Ceiling is suspended under the floor framing.
2. Floor framing is constructed of truss-type open-web or perforated members.
14. R310.6 Alterations or remodels of existing basements. An emergency escape and rescue opening is required when existing basements undergo alterations, remodeling that exceed 33% of the net basement floor area, or when new sleeping rooms are created.
15. R313.2 One- and two-family dwelling automatic fire systems. An automatic residential fire sprinkler system shall be installed in one- and two-family dwellings.
Exception:
1. An automatic residential fire sprinkler system shall not be required for additions or alterations to existing buildings that are not already provided with an automatic residential fire sprinkler system.
2. An automatic residential fire sprinkler system shall not be required for new buildings when all of the following conditions are met:
a. When solid dimensional lumber is used to construct the floor/roof/wall-framing systems (i.e. 2"x members), the framing system shall be protected by at least one layer of 5/8-inch gypsum wall board on all ceilings and walls.
b. When engineered structural components such as I-joists, glue laminated lumber and open-web floor and roof trusses, to construct any portion of a floor/roof/wall-framing system or assembly, the entire framing system shall be protected by at least one layer of 5/8-inch firecode (Type C or X) gypsum wall board. See definition of 'Engineered Structural Components' in Chapter 2, Section R202 as amended.
c. Floor framing constructed of combustible truss-type open-web perforated members shall have draftstops installed so the area of concealed space shall not exceed 500 sq. ft., per Section R302.12 - Draftstopping, as amended by this code.
d. Solid wood core doors not less than 1-3/8 inches in thickness or 20-minute rated doors shall be used for doors to bedrooms, dens, studies, offices with closets, mechanical rooms, laundry rooms, and basements.
16. R314.1 General. Smoke alarms shall comply with NFPA 72, Illinois Fire Safety (425 ILCS 60/) Smoke Detector Act, and Section R314. A smoke alarm/detector shall be installed at the top of all interior staircases within a dwelling unit. A smoke alarm/detector shall be installed at the top of a common interior staircase or stairwell when the stair serves two-dwelling or more units.
17. R315.1 General. Carbon monoxide alarms shall comply with Illinois Public Safety (430 ILCS 135/) Carbon Monoxide Alarm Detector Act, and Section R315.
18. R320.2 Access roads. One or two family dwelling homes with access roads greater than 150 feet (measured from the street access point to the front door of the home) hereafter constructed shall be accessible to fire department apparatus by way of an approved fire apparatus access road with asphalt, concrete or other approved driving surface capable of supporting the imposed load of fire apparatus and must comply with the following:
1. The access road must be at least 12 feet wide for emergency vehicle access.
2. If a gate is installed or going to be installed, it must provide clearance of 12 feet horizontally and 11 feet vertically.
3. If the gate is secured, a Knox gate and key switch must be installed.
4. The access road shall be engineered to support the superimposed load of a typical emergency response vehicle, unless other provisions are made and approved by the Fire Chief.
19. R321.1 Elevators and platform lifts. The design, construction, installation, alteration, repair and maintenance of limited-use and limited-application elevators, private residence elevators, private residence inclined elevators, and their components shall conform to ASME A17.1/CSA B44 - Part 5, ASME A17.3, and ASME A18.1.
20. R404.1.2.1 Masonry foundation walls. Concrete masonry and clay masonry foundation walls shall be constructed as set forth in Tables R404.1.1(1), R404.1.1(2), R404.1.1(3) and R404.1.1(4) and shall also comply with the applicable provisions of Sections R606, R607 and R608. In buildings assigned to Seismic Design Categories B, concreted masonry and clay masonry foundation walls shall also comply with Section R404.1.1, but with not less than two (2) Number Five (#5) reinforcement bars placed at the top and bottom of any concrete trench, belle, grade beam or formed foundation wall. Rubble stone masonry foundation walls shall be prohibited.
21. Appendices Adopted by Reference:
a. Appendix A: Sizing & Capacities of Gas Piping.
b. Appendix B: Sizing of Venting Systems Serving Appliances Equipped With Draft Hoods, Category 1 Appliances And Appliances Listed For Use With Type B Vents.
c. Appendix C: Exit Terminals of Mechanical Draft and Direct-vent Venting Systems.
d. Appendix F: Radon Control Methods.
e. Appendix J: Existing Buildings and Structures.
f. Appendix O: Automatic Vehicular Gates.
g. Appendix U: Solar Ready Provisions.
(MC-5-2019, Amended 06/04/2019; MC-4-2012, § 14, Amended, 07/17/2012; MC-5-2009, Amended, 05/05/2009; MC-3-2005, Added, 06/21/2005)