§ 14-167. Amendments.

The International Residential Code For One and Two Family Dwellings, 2006 Edition, as adopted by the County Board, is amended as set out in this section.

General In all Chapters and Sections where "name of jurisdiction" and/or "chief appointing authority of the jurisdiction" is written, insert "County of DeKalb, Illinois."

Section R112 Board of Appeals, is hereby amended to add the following:

The board of appeals shall consist of three members appointed by the County Board Chairman as follows: one for five years, one for four years, and one for three years. Thereafter, each new member shall serve for five years or until a successor has been appointed.

Section R112.2.1 Determination of Substantial Improvement in Areas Prone to Flooding, and Section R112.2.2 Criteria for Issuance of a Variance for Areas Prone to Flooding are hereby deleted.

To Table R301.2(1) add:

Ground Snow Load	25 psf
Wind Speed	90 mph
Seismic Design Category	B
Weathering	Severe
Frost Line Depth	42"
Termite	-
Winter Design Temp	-5 degrees F
Ice Barrier Underlayment Required	Yes
Flood Hazards	Per NFIP
Air Freezing Index	1500
Mean Annual Temp	47 degrees F

 

Section R311.5.3 - Stairway Treads and Risers is hereby amended to read as follows:

R311.5.3.1 Riser height. The maximum riser height shall be 8¼."

R311.5.3.2 Tread depth. The minimum tread depth shall be 9."

Section R313.2 Power Source is hereby amended to read as follows:

R313.2 Power Source. In addition to the required AC primary source, required smoke detectors shall receive power from a battery or other approved secondary power source when AC primary power is interrupted.

Section R403.1.4.1 Frost Protection, is hereby amended to read as follows.

R403.1.4.1 Frost Protection, Exception 1. Freestanding accessory buildings with an area of 800 square feet or less and an eave height of 10 feet or less shall not be required to be protected.

R403.1.4.1 Frost Protection, Exception 2. is deleted in its entirety.

Section R404.1, Concrete and masonry foundation walls, is amended to read, as follows:

R404.1 Concrete and masonry foundation walls. Concrete and masonry foundation walls shall be selected and constructed in accordance with the provisions of Section R404 or in accordance with ACI 318, ACI 332, NCMA TR68-A or ACI 530/ASCE 5/TMS 402 or other approved standards. When ACI 318, ACI 332 or ACI 530/ASCE 5/TMS 402 or the provisions of Section R404 are used to design concrete or masonry foundation walls, project drawings, typical details and specifications are not required for design, unless otherwise required by the state law of the jurisdiction having authority. (Delete remaining paragraph.)

Delete Tables R404.1(1) Top Reaction and prescriptive Support for Foundation, R404.1(2) Maximum Plate Anchor-bolt Spacing for Supported foundation, and R404.1(3) Maximum Aspect ratio, L/W for Unbalanced Foundations.

Chapter 11 is hereby deleted in its entirety and replaced with:

See the Illinois Energy Conservation Code

Chapters 25—32 are hereby deleted in their entirety.

The following appendices are adopted in their entirety:

Appendix E Manufactured Housing Used As Dwellings

Appendix F Radon Control Methods

Appendix G Swimming Pools, Spas and Hot Tubs

Appendix H Patio Covers

Appendix J Existing Buildings And Structures

Appendix M Home Day Care - R-3 Occupancy

(Ord. No. 2002-15, § 2, 6-19-02; Ord. No. 2003-13, § 2, 5-21-03; Ord. No. 2006-16, § 2, 7-19-06; Ord. No. 2010-08, § 2, 3-17-10; Ord. No. 2010-14, § 1, 7-21-10)