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A. Adoption: The International Residential Code, 2015 edition, as published by the International Code Council, Inc. (ICC), is hereby adopted and incorporated by reference as part of this Code as if fully set forth herein, as part of the Building Code for the Village. The International Residential Code shall apply to the design construction, alteration, enlargement, equipment, repair, demolition, removal, conversion, and use of all single-family and two-family residences not over two (2) stories and an attic in height, and accessory buildings and structures.
B. Amendments To International Residential Code: The International Residential Code as heretofore adopted is revised and amended as follows:
Section R101.1 Insert. - "Village of Clarendon Hills"
Section R105.2 Work Exempt From Permit. - Delete the following items listed under Building: 1 and 10; and replace 2 with "fences < 6 feet in height; and replace 3 with "retaining walls < 3 feet in height.
Section R108.5 Refunds. - Delete subsection.
Section R112 Board Of Appeals. - Delete entire section.
Table R301.2(1) Climatic And Geographic Design Criteria. - Shall be amended by inserting the following:
For ground snow load. Insert: "25"
For wind speed. Insert: "90"
For seismic design category. Insert: "17%"
For weathering. Insert: "severe"
For frost line depth. Insert: "42"
For termite. Insert: "moderate to heavy"
For winter design temperature. Insert: "0°F"
For ice barrier underlayment. Insert: "YES"
For flood hazards. Insert: "12-16-2004"
For air freezing index. Insert: "1500"
For mean annual air temperature. Insert: "50°F"
Section R302.6 Separation Required. - Replace all three occurrences of the term "1/2-inch" with the term "5/8-inch".
Section R309.1 Floor Surface. - Add: "If door opening occurs between garage and dwelling, provide a 4" curb or step at the service door, or construct garage floor at least 4" lower than adjoining dwelling floor."
Section R310.4 Bars, Grilles, Covers And Screens. - Replace the word "permitted" with the word "required".
Section R401.1 Application. Delete the following sentence "Wood foundations shall be designed and installed in accordance with AF&PA report no. 7." and all subsequent text in the section.
Section R402.1 Wood Foundations. - Delete entire section.
Section R403.2 Footings For Wood Foundations. - Delete entire section.
Section R404.2 Wood Foundation Walls. - Delete entire section.
Section R405.2 Wood Foundations. - Delete entire section.
Section R503.3 Particleboard. - Replace the section in its entirety with the following:
"R503.3 Prohibited Wood Structural Panels. The following types of wood structural panels are prohibited for use as floor sheathing: oriented strand board (OSB), hardboard, particleboard, and wafer board."
Section R506.1 General. - Replace the phrase "3.5 inches (89 mm) thick" with the phrase "4 inches (102 mm) thick, except that garage floor slabs shall be a minimum of 5 inches (127 mm) thick".
Section R506.1 General. - Add new subsection R506.1.1 as follows:
"R506.1.1 Detached Garage Slabs. Floating detached garage slabs shall be a minimum of 5 inches (127 mm) thick, reinforced with wire mesh, and thickened to a depth of 10 inches (254 mm) for a width of 20 inches (508 mm) around the perimeter of the slab."
Section R803.2 Wood Structural Panel Sheathing. - Add a new section R803.2.4 to read as follows:
"R803.2.4 Prohibited Wood Structural Panels. The following types of wood structural panels are prohibited for use as roof sheathing: oriented strand board (OSB), hardboard, particleboard, and wafer board."
Section R903.4 Roof Drainage. - Add new subsection R903.4.2 to read as follows:
"R903.4.2 Gutters And Downspouts. All roofs shall be drained using gutters and downspouts, unless alternative method is approved by the building official."
Section R1004.4 Unvented Gas Log Heaters. - Replace the section in its entirety with the following: "Unvented gas log heaters are not permitted."
Section R1006.1 Exterior Air. - Add a new subsection R1006.1.3 to read as follows:
"R1006.1.3 Ventless And Vent-Free Fireplaces. Ventless and vent-free fireplaces are prohibited."
Section M1305.1.3 Appliances In Attics. - Add new subsection M1305.1.3.2 as follows:
"M1305.1.3.2 Enclosure And Venting. Heat producing appliances installed in attic spaces shall be enclosed within a room sheathed with 5/8 inch drywall that provides adequate access and space for maintenance and allows sufficient intake of combustion air. The door shall be a 13/8" thick solid core wood or 20 minute fire rated door, with an automatic closer."
Section M1601.5 Under-Floor Plenums. - Add: "Joist and wall spaces shall not be permitted for uses as a supply plenum. Supply plenums must be a closed system."
C. Copies On File: One copy of the International Residential Code shall be kept available in the Community Development Department at the Village Hall, for use, inspection and examination. (Ord. 18-12-27)