The following sections of the 2012 International Residential Code are hereby added, amended, revised, and changed as follows:
Chapter 1
Administration
Section R101
Title, Scope And Purpose
Amend this section as follows:
R101.1 Title. These provisions shall be known as the Residential Code For One And Two Family Dwellings of Lake Zurich and shall be cited as such and will be referred to herein as this "code".
Section R105
Permits
Amend this section as follows:
R105.2 Work Exempt From A Permit. Permits shall not be required for the following: Exemption 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.
Building:
1. One-story detached accessory structures used as, playhouses and similar uses, provided the floor area does not exceed 18 square feet.
2. Retaining walls that are not over 2 feet in height measured from grade from the bottom of the footing to the top of the wall, and are used for landscaping purposes only.
3. Painting, papering, tiling, carpeting, cabinets, and similar work. Providing no electrical, mechanical or plumbing work is performed.
4. Prefabricated swimming pools that are 24" or less in height and capable of containing less than 24 inches of water.
5. Swings and other playground equipment.
6. Window awnings supported by an exterior wall which do not project more than 54 inches from the exterior wall and do not require additional support.
Section R109
Inspections
Amend this section as follows:
R109.4 Approval Required. Work shall not be done beyond the point indicated in each successive inspection without first obtaining the approval of the code official or his/her designee. The building official or his/her designee upon notification shall make the required inspections and shall either indicate the portion of the construction that is satisfactory as completed, or shall notify the permit holder or an agent of the permit holder wherein the same fails to comply with the code. Any portions that do not comply shall be corrected within a specific time as determined by the building official or his/her designee and such portion shall not be covered or concealed until authorized by the building official or his/her designee. If any work is covered prior to proper inspection of it, then the code official may require that such work be uncovered at the permittee's expense so that a proper inspection can be made.
Section R112
Board Of Appeals
Delete this section in its entirety.
Chapter 2
Definitions
Section R202
Definitions
Add the following definition as follows:
Bedroom. Any room or space used for or intended to be used for sleeping purposes with a door that leads directly to a hallway or common area, i.e. living room, dining room, etc. of the structure.
Section R301
Design Criteria
Amend this table as follows:
TABLE R301.2(1)
CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
Ground Snow Load | Wind Design | Seismic Design Category | Subject To Damage From | Winter Design Temp | Ice Barrier Underlaym ent Required | Flood Hazards | Air Freezing Index | Mean Annual Temp | |||
Speed (mph) | Topo- graphic Effects | Weatherin g | Frost Line Depth | Termite | |||||||
30 | 90 | No | A | Severe | 42" | Moderate - heavy | -5°F | Yes | See flood maps | 1500- 2000 | 45°F - 50°F |
Section R302
Fire-Resistant Construction
Amend this section as follows:
R302.1 Exterior Walls. Construction, projections, openings and penetrations of exterior walls of dwellings and accessory buildings shall comply with table R302.1(1); or dwellings equipped throughout with an automatic sprinkler system installed in accordance with section P2904 shall comply with table R302.1(2).
Exceptions:
1. Walls, projections, openings or penetrations in walls perpendicular to the line used to determine the separation distance.
2. Walls of dwellings and accessory structures located on the same lot.
3. Playhouses and similar structures, exempted from permits are not required to provide wall protection based on the location on the lot. Projections beyond the exterior wall shall not extend over the lot line.
4. Foundation vents installed in compliance with this code are permitted.
Section R309
Garages And Carports
Amend this section as follows:
R309.1 Floor Surface. Garage floor surfaces shall be of approved noncombustible material.
The area of floor used for parking automobiles or other vehicles shall be separated from the residence by a minimum 4 inch high gas curb and shall be sloped to facilitate the movement of liquids to a drain or toward the main vehicle entry door.
Add the following sections:
R309.6 Opening Protection. Openings from a private garage directly into a room used for sleeping purposes shall not be permitted. Other openings between the garage and the residence shall be equipped with self-closing and self- latching solid wood doors not less than 13/4 inches in thickness, solid or honeycomb core steel doors not less than 13/4 inches in thickness or 20 minute fire rated doors.
R309.7 Separation Required. The garage shall be separated from the residence and its attic area by not less than 5/8 inch type X gypsum board applied to the garage side. Garages beneath habitable rooms shall be separated from all habitable spaces above by not less than 5/8 inch type 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 type X gypsum board or equivalent.
Section R310
Emergency Escape And Rescue Openings
Amend this section as follows:
R310.1 Emergency Escape And Rescue Required. Basements, habitable attics and every sleeping room shall have at least one operable emergency escape and rescue opening. Where basements contain one or more sleeping rooms, emergency escape and rescue openings shall be required in each sleeping room as well as the adjoining area of the basement. Where emergency escape and rescue openings are provided they shall have a sill height of not more than 44 inches measured from the finished floor to the bottom of the clear opening. Where a door opening having a threshold below the adjacent ground elevation serves as an emergency escape and rescue opening and is provided with a bulkhead enclosure, the bulkhead enclosure shall comply with section: R310.3. The net clear opening dimensions required by this section shall be obtained by the normal operation of the emergency escape and rescue opening from the inside. Emergency escape and rescue openings with a finished sill height below the adjacent ground elevation shall be provided with a window well in accordance with section: R310.2. Emergency escape and rescue openings shall open directly into a public way, or to a yard or court that opens to a public way.
R310.1.4 Operational Constraints. Emergency escape and rescue openings shall be operational from the inside of the room without the use of keys, tools or special knowledge. The opening area shall be achieved without removing the sash.
Section R311
Means Of Egress
Add the following sections:
R311.2.1 Bedrooms. Every bedroom shall have access to the common areas without having to pass through another bedroom or bathroom.
Amend this section as follows:
R311.5.2 Under Stair Protection. Enclosed accessible space under stairs shall have walls, under stair surface and any soffits protected on the enclosed side with 5/8 inch type X gypsum board.
Amend this section as follows:
R311.7.8 Handrails. Handrails shall be provided on at least one side of each continuous run of treads or flight of stairs with 3 or more risers.
Section R312
Guards And Window Fall Protection
Delete this section in its entirety:
R312.2 Window Fall Protection.
Delete this section in its entirety:
R312.2.1 Window Sills.
Amend this section as follows:
R312.1.3 Opening Limitations. Required guards shall not have openings from walking surfaces to the required guard height which allow passage of a sphere 4 inches in diameter.
Exceptions:
2. Guards on open sides of stairs shall not have openings which allow passage of a sphere 4 inches in diameter.
Section R313
Automatic Fire Sprinkler Systems
Amend this section as follows:
R313.2.1 Design And Installation. Delete in its entirety.
Amend this section as follows: New
Automatic sprinkler systems shall be provided in all new residential use groups including townhomes/multi-family dwellings and one and two family dwellings which are adopted by this code. All new single family dwellings shall have automatic fire sprinklers installed throughout per NFPA 13R or 13D. All new townhomes shall have automatic fire sprinklers installed throughout per NFPA 13R or 13D. All new attached garages shall have automatic sprinklers installed, where feasible. Dry sidewall or dry pendant sprinklers should be used.
Section R314
Smoke Alarms
Amend this section as follows:
R314.3 Location. Smoke alarms shall be installed in the following locations:
2. Outside each separate sleeping area within 15 feet of the bedrooms.
3. On each additional story of the dwelling, including basements and finished attics but not including crawl spaces and uninhabited attics.
4. In offices, dens, work-out rooms, etc. that have a door that leads directly to a hallway or common area, i.e. living room, dining room, etc. of the structure.
Amend this section as follows:
R314.4 Power Source. Smoke alarms shall receive their primary power from the building wiring when such wiring is served from a commercial source, and when power is interrupted, shall receive power from a battery or a back up generator if one exists. Wiring shall be permanent and without a disconnecting switch other than those required for overcurrent protection. Smoke detectors shall be connected to the hallway lighting circuit.
Chapter 4
Foundations
Section R402
Materials
Delete the following section in its entirety:
R402.1 Wood Foundations.
Section R403
Footings
Amend this section as follows:
R403.1 General. All exterior walls shall be supported on continuous solid concrete footings which shall be of sufficient design to accommodate all loads according to section R301 and to transmit the resulting loads to the soil within the limitations as determined from the character of the soil. Footings shall be supported on undisturbed natural soils or engineered fill. Concrete footings shall be designed and constructed in accordance with the provisions of section R403 or in accordance with ACI 332. Every room addition, sunroom, screen porch or any deck or other structure with a roof that is attached to a house or other frost protected structure shall be supported on a continuous frost protected footing.
Amend this section as follows:
R403.1.1 Minimum Size. Minimum sizes for concrete footings shall be as set forth in table R403.1 and figure R403.1(1). The footing width, W, shall be based on the load-bearing value of the soil in accordance with table R401.4.1. Spread footings shall be at least 6 inches in thickness, T. Footing projections, P, shall be at least 2 inches and shall not exceed the thickness of the footing. The size of the footings supporting piers and columns shall be based on the tributary load and allowable soil pressure in accordance with table R401.4.1.
Amend this table as follows:
Table R403.1 Minimum Width Of Concrete, Precast Or Masonry Footings.
Delete all references to masonry footings
Section R404
Foundations And Retaining Walls
Amend this section as follows:
R404.1 Concrete And Masonry Foundation Walls. Concrete foundation walls shall be selected and constructed in accordance with the provisions of section R404.1.2.
Delete the following section in its entirety:
R404.1.1 Design Of Masonry Walls.
Delete the following section in its entirety:
R404.1.8 Rubble Stone Masonry.
Delete the following section in its entirety:
R404.1.9 Isolated Masonry Piers.
Delete the following section in its entirety:
R404.2 Wood Foundation Walls.
Amend this section as follows:
R404.3 Wood Sill Plates. Wood sill plates shall be a minimum of 2 inch by 6 inch pressure treated lumber. Sill plate anchorage shall be in accordance with sections R403.1.63 and R602.11.
Amend this section as follows:
R404.4 Retaining Walls. Retaining walls that are not laterally supported at the top and retain in excess of 24 inches of unbalanced fill shall be designed by a licensed Illinois structural engineer to ensure stability against overturning, sliding, excessive foundation pressure and water uplift.
Section R405
Foundation Drainage
Amend this section as follows:
R405.1 Concrete Or Masonry Foundations. Drains shall be provided around all concrete and masonry foundations that retain earth and enclose habitable or usable spaces located below grade. Perforated pipe or other approved systems or materials shall be installed at or below the area to be protected and shall discharge by gravity or mechanical means into an approved drainage system. Perforated drains shall be surrounded with an approved filter membrane or the filter membrane shall cover the washed gravel or crushed rock covering the drain. Perforated pipe shall be placed on a minimum of 2 inches of washed gravel or crushed rock at least one sieve size larger than the perforation and covered with not less than 6 inches of the same material.
Delete the following section in its entirety:
R405.2 Wood Foundations.
Section R405
Foundation Waterproofing And Dampproofing
Delete the following section in its entirety:
R406.3 Dampproofing For Wood Foundations.
Chapter 5
Floors
Section R503
Floor Sheathing
R503.1 Lumber Sheathing. Maximum allowable spans for lumber used as floor sheathing shall conform to tables R503.1, R503.2.1.1(1) and R503.2.1.1(2).
Amend this table as follows:
TABLE R503.1
MINIMUM THICKNESS OF LUMBER FLOOR SHEATHING
Joist Or Beam Spacing (Inches) | Minimum Net Thickness | |
Perpendicular To Joist | Diagonal To Joist | |
24 | 3/4 | 3/4 |
16 | 3/4 | 3/4 |
48 | 11/2 T & G | n/a |
54 | ||
60 | ||
R503.2 Wood Structural Panel Sheathing.
Amend this table as follows:
TABLE R503.2.1.1(1)
ALLOWABLE SPANS AND LOADS FOR WOOD STRUCTURAL PANELS
FOR ROOF AND SUBFLOOR SHEATHING AND COMBINATION SUBFLOOR UNDERLAYMENT
Span Rating | Minimal Nominal Panel Thickness (Inch) | Allowable Live Load (psf) | Maximum Span (Inches) | Load (Pounds Per Square Foot, At Maximum Span) | Maximum Span (Inches) | |||
Span Rating | Minimal Nominal Panel Thickness (Inch) | Allowable Live Load (psf) | Maximum Span (Inches) | Load (Pounds Per Square Foot, At Maximum Span) | Maximum Span (Inches) | |||
Span @ 16" o.c. | Span @ 24" o.c. | With Edge Support | Without Edge Support | Total Load | Live Load | |||
Sheathing | Roof | Subfloor | ||||||
16/0 | 7/16 | 30 | 16 | 16 | 40 | 30 | 0 | |
20/0 | 7/16 | 50 | 20 | 20 | 40 | 30 | 0 | |
24/0 | 7/16 | 100 | 30 | 24 | 20 | 40 | 30 | 0 |
24/16 | 7/16 | 100 | 40 | 24 | 24 | 50 | 40 | 16 |
32/16 | 15/32 1/2 | 180 | 70 | 32 | 28 | 40 | 30 | 16 |
40/20 | 19/32 5/8 | 305 | 130 | 40 | 32 | 40 | 30 | 20 |
48/24 | 23/32 3/4 | 175 | 48 | 36 | 45 | 35 | 24 | |
60/32 | 7/8 | 305 | 60 | 48 | 45 | 35 | 32Underlayment, C-C Plugged, Single FloorRoofCombin ation Subfloor Underlayment | |
16 o.c. | 19/32 5/8 | 100 | 40 | 24 | 24 | 50 | 40 | 16 |
20 o.c. | 19/32 5/8 | 150 | 60 | 32 | 32 | 40 | 30 | 20 |
24 o.c. | 23/32 3/4 | 240 | 100 | 48 | 36 | 35 | 25 | 24 |
32 o.c. | 7/8 | 185 | 48 | 40 | 50 | 40 | 32 | |
48 o.c. | 13/32 11/8 | 290 | 60 | 48 | 50 | 40 | 48 | |
Amend this table as follows:
TABLE R503.2.1.1(2)
ALLOWABLE SPANS FOR SANDED
PLYWOOD COMBINATION SUBFLOOR UNDERLAYMENT
Identification | Spacing Of Joists (Inches) | ||
Species group | - | - | - |
1 | 3/4 | 3/4 | 3/4 |
2, 3 | 3/4 | 3/4 | 7/8 |
4 | 3/4 | 7/8 | 1 |
Delete the following sections in their entirety:
Section R504
Pressure Preservatively
Treated-Wood Floors (On Ground)
R504.1 General.
R504.1.1 Unbalanced Soil Loads.
R504.1.2 Construction.
R504.1.3 Uplift And Buckling.
R504.2 Site Preparation.
R504.2.1 Base.
R504.2.2 Moisture Barrier.
R504.3 Materials.
Section R506
Concrete Floors (On Ground)
Amend this section as follows:
R506.2.3 Vapor Retarder. A 6-mil polyethylene vapor retarder with joints lapped not less than 6 inches shall be placed between the concrete floor slab and the base course.
Exception: The vapor retarder may be omitted:
1. From detached garages, utility buildings and other unheated accessory structures.
2. For carports.
Section R507
Decks
Amend this section as follows:
R507.1 Decks. Where supported by attachment to an exterior wall, decks shall be positively anchored to the primary structure and designed for both vertical and lateral loads. Such attachment shall not be accomplished by the use of toenails or nails subject to withdrawal. Where positive connection to the primary building structure cannot be verified during inspection, decks shall be self-supporting. For decks with cantilevered framing members, connections to exterior walls or other framing members, shall be designed and constructed to resist uplift resulting from the full live load specified in table R301.5 acting on the cantilevered portion of the deck. Cantilevered portions of decks shall not extend more than 2 feet.
Chapter 6
Wall Construction
Section R602
Wood Wall Framing
Amend this section as follows:
R602.3.2 Top Plate. Wood stud walls shall be capped with a double top plate installed to provide overlapping at corners and intersections with bearing partitions. End joints in top plates shall be offset at least 24 inches. Joints in the lower plates shall occur over studs. Plates shall not be less than 2-inches nominal thickness and shall have a width at least equal to the width of the studs.
Chapter 10
Chimneys And Fireplaces
Section R1004
Factory-Built Fireplaces
Amend this section as follows:
R1004.1 General. Factory built fireplaces shall be listed and labeled and shall be installed in accordance with the conditions of the listing. All combustible framing within the fireplace chase shall be covered with a minimum 1/2 inch cement board or 5/8 inch type X drywall to a minimum height of 6 feet and all joints and seams shall be sealed with an approved firestopping material. Factory built fireplaces shall be tested in accordance with UL127.
Chapter 16
Duct Systems
Section M1601
Duct Construction
Amend this section as follows:
M1601.1.1 Above-Ground Duct Systems. Above-ground duct systems shall conform to the following:
2. Factory-made air ducts shall be constructed of metal or plastic.
Section M1602
Return Air
Add the following section:
M1602.1.1 Return Air Required. Every habitable room shall be equipped with a return air duct except those areas listed as prohibited sources in section: M1602.2.
Chapter 24
Fuel Gas
Section G2420
Gas Shutoff Valves
Amend this section as follows:
G2420.5.1 (409.5.1) Located Within The Same Room. Each appliance shall be provided with a shutoff valve separate from the appliance. The shutoff valve shall be located in the same room as the appliance. The shutoff valve shall be within 6 feet of the appliance, and shall be installed upstream of the union, connector or quick disconnect it serves.
Delete the following sections in their entirety:
G2420.5.2 (409.35.2) Vented Decorative Appliances And Room Heaters.
G2420.5.3 (409.5.3) Located At The Manifold.
Part VII
Plumbing
Delete part VII (Plumbing) in its entirety and replace with the following:
Title 8, chapter 7, Lake Zurich municipal code (2014 Illinois plumbing code).
Part VIII
Electrical
Delete part VIII (Electrical) in its entirety and replace with the following:
Title 8, chapter 8, Lake Zurich municipal code (2011 national electrical code).
Appendix G
Swimming Pools, Spas And Hot Tubs
Section AG102
Definitions
Amend this definition as follows:
Swimming Pool. Any structure intended for swimming or recreational bathing that is capable of containing 24 inches of water or more. This includes permanent or temporary hard wall, soft wall or inflatable in-ground, above-ground, and on-ground swimming pools, hot tubs and spas.
Section AG105
Barrier Requirements
Amend this section as follows:
AG105.2 Outdoor Swimming Pool. An outdoor swimming pool, including an in-ground, above-ground or on-ground pool, hot tub or spa, shall be surrounded by a barrier which shall comply with the following:
1. The top of the barrier shall be at least 60 inches above grade measured on the side of the barrier which faces away from the swimming pool. The maximum vertical clearance between grade and the bottom of the barrier shall be 2 inches measured on the side of the barrier which faces away from the swimming pool. Where the top of the pool structure is above grade, such as an above-ground pool, the barrier may be at ground level, such as the pool structure, or mounted on top of the pool structure. Where the barrier is mounted on top of the pool structure, the maximum vertical clearance between the top of the pool structure and the bottom of the barrier shall be 4 inches.
Appendix J
Existing Buildings And Structures
Amend this section as follows:
AJ401.2 Door And Window Dimensions. Minor reductions in the clear opening dimensions of replacement windows that result from the use of different materials shall be allowed, except that the required emergency egress window per section 310 is installed to the full rough framed opening of the original construction. (New construction grade window.)
(Ord. 2015-3-053, 3-16-2015)
8-4-4: ANTIMONOTONY STANDARDS:
The following standards apply to all construction of new single- family detached dwellings in the Village:
A. Abutting Lots: No single-family detached dwelling shall be erected on any lot abutting, or directly across the street from, a lot with a single-family detached dwelling of the same exterior design or appearance or with identical front elevations.
B. Spacing: Not more than two (2) single-family detached dwellings of the same exterior design or appearance, or with identical front elevations, shall be erected within four hundred feet (400') of each other on the same side of the street.
C. Criteria: The Village shall apply the criteria from all of the following three (3) subsections to determine whether the exterior design and appearance and front elevations of two (2) single- family detached dwellings are the same or, instead, are sufficiently dissimilar:
1. Rooflines: To be considered dissimilar, the rooflines of two (2) single-family detached dwellings as seen from the front of the dwelling shall be changed in at least one of the following ways:
a. Changing a gable roof to hip roof or changing hip roof to a gable roof.
b. Providing an intersecting gable roof on the main roof, provided that the height of the intersecting roof is at least fifty percent (50%) of the height of the main roof.
c. Providing an intersecting hip roof on the main hip roof, provided that the height of the intersecting hip roof is at least fifty percent (50%) of the height of the main roof.
2. Windows: To be considered dissimilar, the windows of two (2) single-family detached dwellings shall be changed in at least one of the following ways:
a. Changing from single windows to a multiple window arrangement ganged units or changing from a multiple window arrangement to single windows.
b. Providing a bay or bow window in the area of the predominant window.
3. Construction Materials: To be considered dissimilar, the construction materials of two (2) single-family detached dwellings shall be changed in at least one of the following ways. When materials are changed, the change must occur throughout the front facade or elevation for a minimum of one story in height.
a. Changing the siding from horizontal to vertical or vertical to horizontal.
b. Changing the facing material (wood, brick, stone, stucco/staccato board and trim).
D. Administration: The provisions of this section shall be administered by the Code official. To aid the Code official and applicants in their interpretation of the provisions of this section, the Director may prepare illustrative drawings and written descriptions of the manner in which the provisions have been or will be administered.
E. Appeals: If a building permit is denied to an applicant by reason of this section, then the applicant may appeal that decision to the Board of Trustees. On such appeal, the Board of Trustees may:
1. Order the permit to be issued; or
2. Order the permit to be issued if modifications are made in the design of the building to bring it into conformity with the provisions of this section; or
3. Deny the appeal. The decision of the Board of Trustees shall be final.
(Ord. 2015-3-053, 3-16-2015)