The following sections of the International Residential Code for One-and Two-Family Dwellings, 2015 Edition are hereby amended as follows:
In all chapters and sections, where "name of jurisdiction" and/or "chief appointing authority of the jurisdiction" is written, insert "City of Sycamore."
R301.2 Climactic and geographic design criteria. See Table 301.2(1).
R302.6 Dwelling-garage fire separation. Amended as follows: The garage shall be separated from the residence and its attic area by means of minimum 5/8-inch (16.51mm) Fire Code gypsum board applied to the garage side. This application shall be continuous on all walls, ceilings and soffits when habitable space exists above the garage area.
R302.13 Fire Protection of Floors. Requires all exposed engineered wood framing and framing less than 2"x 10" nominal dimension shall be protected (on the bottom/ceiling side) with 1/2" drywall or 5/8" plywood.
4. Wood floor assemblies using dimension lumber or structural composite lumber equal to or greater than 2x10-inch nominal dimension (Add) or other approved floor assemblies demonstrating equivalent fire performance in accordance with ICC-ES AC14, as published by ICC Evaluation Services.
R309.1 Floor surface. Amended as follows: Garage and carports floor surfaces shall be of approved noncombustible material. That area of floor used for parking of automobiles or other vehicles shall be sloped to facilitate the movement of liquids towards the main vehicle entry doorway. The common wall of garage and living space, including stairwells, shall have a four (4) inch concrete curb to protect separation wall from liquids.
Exception: Garage floors with a slope of 1.5% grade that continues to slope from the garage floor down the driveway are not required to have a four (4) inch gas curb.
Section R313 Automatic Fire Sprinkler Systems. Amended as follows: Exception: Buildings which do not exceed two stories above grade with a maximum of six dwelling units per building. Exposed (i.e. look-out) basements, shall be considered a story above grade where the finished surface of the floor above the basement floor is more than 6' above the lowest grade elevation adjoining the building for more than 50% of the total building perimeter.
R402.1 Wood Foundations. Delete Sections 402.1 and 402.2 in their entirety.
(Add) R403.1.1(1) Minimum Size: The minimum size of footings supporting piers and columns shall be thirty-six (36) inches by thirty-six (36) inches square by twelve (12) inches thick.
R403.3.2.1. Added as follows: Insulated protected footings are allowed as footing alternatives when designed by an Illinois State Licensed Architect or Structural Engineer.
R404.1.3.2 Reinforcement for foundation walls. Amended as follows: All foundation walls subject to unbalanced backfill shall be provided with properly installed continuous reinforcement equivalent to two (2) #4 reinforcing within twelve (12) inches of the top of the foundation.
R404.1.6 Height above finished grade. Amended as follows: In order to prevent degradation of the building elements from moisture, including interior framing, face brick, stone, wood, metal siding, etc., the top of the concrete or masonry foundation walls shall be elevated at least 6 inches above the level of the finished grades, including sod, sidewalks, patios, driveways, etc., that surround the building.
Exception: A raised reverse brick ledge that elevates the outer portion of the foundation wall 6 inches above the adjoining grade and allows interior framing to be constructed at finished grade level shall be permitted.
R404.3 Wood sill plates. Amended as follows: Wood sill plates that rest upon a concrete floor or foundation must be CCA treated or naturally protected lumber. Sill plate anchorage shall be in accordance with Sections R403.1.6 and R602.11.
405.1 Foundation Drainage. Amended first sentence as follows: Perforated footing tile shall be provided around the interior and exterior sides of concrete or masonry foundations that retain earth and enclose habitable or usable spaces located below grade.
Table R503.2.1.1(1) Amend to add footnote as follows:
m. Existing structures with 3/8-inch plywood sheathing, where more than fifty (50) percent has deteriorated, and is no longer structurally sound, as determined by the authority having jurisdiction, the entire sheathing shall be replaced with 7/16-inch plywood sheathing.
Add R503.2.3 Existing structures with deteriorated 3/8-inch roof sheathing. Existing structures with 3/8-inch plywood roof sheathing where more than fifty (50) percent has deteriorated, and is no longer structurally sound, as determined by the authority having jurisdiction, the entire sheathing shall be replaced with 7/16-inch grade-stamped sheathing.
Section R504 Pressure-Preservative Treated Wood Floors (On Ground). Delete Section 504 in its entirety.
Part IV Energy Conservation. Delete Chapter 11 Energy Efficiency in its entirety. Refer to the Illinois Energy Conservation Code - current edition.
Add M1401.6 Furnace repair. Added as follows: The use of furnace cement or welding for the repair of a furnace heat exchanger is prohibited.
Add M1506.4 Bath fan venting. Flexible air ducts shall be limited in length to eight (8) feet overall from the termination point and contain no more than to be the equivalent of one 90 degree turn with no offset greater than 45 degrees.
P2501.1 Scope. Amended as follows: The provisions of this chapter and the current Illinois Plumbing Code, including local amendments, shall govern the installation of plumbing. All work shall be performed by State of Illinois licensed plumbers in accordance with the Plumbing Licensing Act.
PART VII PLUMBING. Delete the following chapters:
Chapter 20: Section M2005.4 Supplemental water-heating devices
Chapter 25: Plumbing Administration, except amendment to P2501.1 Scope.
Chapter 26: Plumbing Requirements
Chapter 27: Plumbing Fixtures
Chapter 28: Water Heaters
Chapter 29: Water Supply and Distribution
Chapter 30: Sanitary Drainage
Chapter 31: Vents
Chapter 32: Traps
E3401.1 Applicability. Amended as follows: All electrical systems, equipment and components to comply with the currently adopted edition of the NFPA 70 National Electric Code.
PART VIII ELECTRICAL. Delete the following chapters:
Chapter 34: General Requirements
Chapter 35: Electrical Definitions
Chapter 36: Services
Chapter 37: Branch Circuit and Feeder Requirements
Chapter 38: Wiring Methods
Chapter 39: Power and Lighting
Chapter 40: Devices and Luminaires
Chapter 41: Appliance Installation
Chapter 42: Swimming Pools
Chapter 43: Class 2 Remote-Control Signaling and Power-Limiting Circuits
AF103.2.2 Sumps. Deleted and replaced with: Sumps open to soil or serving as the termination point for subslab or exterior drain tile loops shall be covered with a gasketed or sealed lid. Sumps used as a floor drain shall have a lid equipped with a trapped inlet. Sumps shall have a minimum 1-1/2" diameter vent connected to the radon vent pipe.
AF 103.5 Drain Tile and Sump Used for Depressurization. Deleted and replaced with: As an alternative to inserting a vent pipe into a "T" fitting, a vent pipe shall be permitted to be inserted directly into an interior perimeter drain tile loop where the drain tile or sump is exposed to the gas-permeable layer.
AF103.10. Amended as follows: In new construction, a simplex receptacle shall be installed in the attic within five (5) feet of the vertical riser.
TABLE R301.2(1) Climatic and Geographic Design Criteria. Amended as follows:
TABLE R301.2(1)
Wind Design
Subject To Damage From
Ground Snow Load
Speedd (mph)
Topograp hic Effectsk
Special Wind Regionl
Windborn e Debris Zonem
Seismic Design Categoryf
Climate Zone
Frost Line Depthb
Winter Design Tempe
Ice Barrier Inderlay ment Requiredh
Flood Hazardsg
Air Freezing Indexi
Mean Annual Temp
30 psf
Moderate /heavy
a.   Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this Code. The weathering column shall be filled in with the weathering index, "negligible," "moderate" or "severe" for concrete as determined from Figure R301.2(3). The grade of masonry units shall be determined from ASTM C 34, C 55, C 62, C 73, C 90, C 129,C 145, C 216 or C 652.
b.   The frost line depth may require deeper footings than indicated in Figure R403.1(1). The jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade.
c.   The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of local subterranean termite damage.
d.   The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2(4)A]. Wind exposure category shall be determined on a site-specific basis in accordance with Section R301.2.1.4.
e.   The outdoor design dry-bulb temperature shall be selected from the columns of 97-1/2 percent values for winter from Appendix D of the International Plumbing Code. Deviations from the Appendix D temperatures shall be permitted to reflect local climates or local weather experience as determined by the Director of Building and Engineering and/or his designee.
f.   The jurisdiction shall fill in this part of the table with the seismic design category determined from section R301.2.2.1.
g.   The jurisdiction shall fill in this part of the table with (a) the date of the jurisdiction's entry into the National Flood Insurance Program (date of adoption of the first code or ordinance for management of the flood hazard areas), (b) the date(s) of the Flood Insurance Study and (c) the panel numbers and dates of the currently effective FIRMs and FBFMs or other flood hazard map adopted by the authority having jurisdiction, as amended.
h.   In accordance with Sections R905.1.2, R905.4.3.1, R905.5.3.1, R905.6.3,1, 8905.7.3.1, and R905.8.3.1, where there has been a history of local damage from the effects of ice damming, the jurisdiction shall fill in this part of the table with "YES". Otherwise, the jurisdiction shall fill in this part of the table with "NO".
i.   The jurisdiction shall fill in this part of the table with the 100-year return period air freezing index (BF-days) from Figure R403.3(2) or from the 100-year (99 percent) value on the National Climatic Data Center data table" "Air Freezing Index-USA Method (Base 32°F)."
j.   The jurisdiction shall fill in this part of the table with the means annual temperature from the National Climatic Data Center table "Air Freezing Index-USA Method (Base 32°F).
k.   In accordance with Section R301.2.1.5, where there is local historical data documenting structural damage to buildings due to topographic wind speed-up effects, the jurisdiction shall fill in this part of the table with "YES". Otherwise, the jurisdiction shall indicate "NO" in this part of the table.
l.   In accordance with Figure R301.2(4)A, where there is local historical data documenting unusual wind conditions, the jurisdiction shall fill in this part of the table with "YES" and identify any specific requirements. Otherwise, the jurisdiction shall indicate "NO" in this part of the table.
m.   In accordance with Section R301., the jurisdiction shall indicate the wind-borne debris wind zone(s). Otherwise, the jurisdiction shall indicate "NO" in this part of the table.
(Ord. 2019.20, 9-16-2019, eff. 1-1-2020)