The following provisions are adopted in lieu of those contained in the 2006 IRC:
Section 106.4 shall read as follows:
Penalty: Any person, firm or corporation violating any of the provisions of this code shall be guilty of a petty offense as defined in the unified code of corrections, adopted by law in Illinois; and shall be deemed guilty of a separate offense for each day during which any violation is continued, or permitted; and on conviction of any violation, shall be punishable by a fine of not less than fifty dollars ($50.00) and not more than five hundred dollars ($500.00).
Deleting from Part VII, Plumbing, which includes chapters 25-35, inclusive.
Section R301.2, Table R301.2(1) is completed as follows:
Ground Snow Load - 20 pounds per square foot
Wind Speed (mph) - 75 mph
Seismic Design Category - zone B
Subject To Damage From
Weathering - severe
Frost line depth - 36 inches
Termite - yes, moderate to heavy
Winter Design Temp - minus 4
Ice Barrier Underlayment Required - yes
Flood Hazards - flood insurance rate map (FIRM) and flood boundary floodway map (FBFM), effective date June 19, 1985
Air Freezing Index - 1500
Mean Annual Temp - 50 degrees Fahrenheit
Figure 403.1a (page 26), Concrete And Masonry Foundation Details:
(1) For masonry foundation and poured concrete walls, the footing shall be a minimum of sixteen inches (16") wide and eight inches (8") deep.
(2) Poured concrete walls shall be a minimum of eight inches (8") wide.
(3) Bolting down of the sill (plate) to a foundation block of poured concrete slab shall not be required.
(4) Houses built on poured or concrete slabs shall be required to have footings as described in no. 1.
(5) Houses built on concrete slabs shall be required to use bolts as indicated in figure 604.10b (page 75), or use other approved means of anchoring the sill (plate) to the foundation.
(6) Minimum thickness of concrete foundation floor shall be four inches (4").
Section R409, Utility Sheds, is added as follows:
Utility Sheds: Permanent foundations are not required for utility sheds having one hundred sixty (160) square feet or less and a height of twelve (12) feet or less. Utility sheds with no permanent foundation, however, must have a floor of one of the following: pressure- treated wood, metal, concrete, asphalt, brick, rock, or gravel. Utility sheds must also be properly anchored in one of the following manners: bolting into concrete, screw anchors at each corner of the shed, or an approval equal. Skids shall be permitted to remain under a utility shed.
Section R506.25, Floating Concrete Slabs, is added as follows:
1. A floating concrete slab may be utilized in an accessory building (which is not attached to a dwelling), provided:
(a) The slab covers an area of one thousand two hundred (1,200) square feet or less;
(b) A lug eight inches (8") in width is constructed around the perimeter of the slab which extends at least eight inches (8") below the top of said slab;
(c) The slab and lug consist of a continuous pour of concrete;
(d) No water or sewer lines serve the building;
(e) The building is securely anchored to the slab by an approved fashion (e.g., bolts set in concrete, nails shot into concrete);
(f) A pressure-treated bottom plate is used; and
(g) All vegetation is removed in the area where concrete is to be poured, or sand is placed to cover all vegetation to a thickness of at least two inches (2").
2. An existing floating slab may be utilized in the construction of a new accessory building, provided the existing slab meets the approval of the building official. In the event a new section of concrete is to be added onto an existing floating slab, the following requirements shall be met:
(a) The existing slab must meet the approval of the building official; and
(b) The new section of concrete shall be tied to the existing slab by one-half inch (1/2") reinforcement bars placed eighteen inches (18") on center and run six inches (6") into the existing slab and twenty inches (20") into the area to be poured.
(2006 Code § 4-2-3; amd. Ord. 2009-6, 5-4-2009)