7.1.3: ADDITIONS, INSERTIONS AND CHANGES TO CITY OF WOODSTOCK RESIDENTIAL BUILDING CODE FOR ONE- AND TWO-FAMILY DWELLINGS:
   A.   Smoke Detectors: Every single-family and two-family residence shall have at least one approved smoke detector installed on every floor of the dwelling unit, including basements, and within crawl spaces that contain equipment, in every sleeping room, and within fifteen feet (15') of every sleeping room. Required smoke detectors shall be provided with A/C power from the building's power supply. Wiring shall be permanent and without a disconnecting switch other than those required for overcurrent protection.
   It shall be the responsibility of the owner of a structure to supply and install all required smoke detectors. In rental units, it shall be the tenant's responsibility to test and provide general maintenance for the detectors within the tenant's dwelling unit, and to notify the owner or the owner's agent of any deficiencies which the tenant cannot correct. The owner shall be responsible for providing one tenant per dwelling unit with written information regarding detector testing and maintenance.
   The tenant shall be responsible for replacement of any required batteries in the smoke detector in the tenant's unit, except that the owner shall ensure that the smoke detector is in operating condition when the tenant takes occupancy.
   B.   Amendments to the 2020 International Residential Building Code for One- and Two-Family Dwellings Amendments are as follows:
   General - Section R101.1 Title.
   Insert: "City of Woodstock, McHenry County, Illinois"
   Duties and Powers of Building Official - Section R104.1 General.
   Insert at end: "The building official, however, is authorized to approve minor building alterations, improvements, or changes after making a determination that such alterations, improvements, or changes do not affect the safety or structural integrity of a building or structure or negate the intent of these regulations."
   Permits - Section R105.2 Work Exempt from Permit.
   Insert: "...Permits shall not be required for the following unless otherwise required by the Woodstock City Code:"
   Under subsection, Building:
   Delete: Items 1,2, 9, and 10.
   Violation Penalties - Section R113.4
   Delete in entirety.
   Insert: Any person who violates a provision of this code or fails to comply with any of the requirements thereof or who erects, constructs, alters or repairs a building or structure in violation of the approved construction documents or directive of the building official, or of a permit or certificate issued under the provisions of this code, or without a permit that would normally be required by this code, shall be guilty of a misdemeanor, punishable by a fine of not less than $250.00 or double the permit fee, whichever is greater."
   Insert: Table R301.2 (1) is hereby amended to read as follows:
a. Ground snow load:
 
30 pounds per square foot
b. Wind speed:
 
90 mph
c. Seismic design category:
 
Design category B
d. Weathering:
 
Severe
e. Frost line depth:
 
42 inches below grade
f. Termite:
 
Moderate to heavy
g. Decay:
 
Slight to moderate
h. Winter design temperature:
 
0°F
i. Ice shield underlayment required:
 
Yes
j. Flood hazards:
 
Confirm with Engineering Dept.
k. Air freezing index:
 
2000
l. Mean annual temperature:
 
50°F.
 
   Section R302.3 shall read as follows:
   Dwelling units in two-family dwellings shall be separated from each other by wall and floor assemblies having not less than a 2-hour fire-resistance rating where tested in accordance with ASTM E119, UL 263 or Section 703.2.2 of the International Building Code. Such separation shall be provided regardless of whether a lot line exists between the two dwelling units or not. Fire-resistance-rated floor/ceiling and wall assemblies shall extend to and be tight against the exterior wall, and wall assemblies shall extend from the foundation to the underside of the roof sheathing.
   Exceptions:
   1.   A fire-resistance rating of 1/2 hour shall be permitted in buildings equipped throughout with an automatic sprinkler system installed in accordance with Section P2904.
   Section R302.5.1 is amended as follows:
   Openings from a private garage directly into a room used for sleeping purposes are not permitted. Openings between the garage and the residence shall be equipped with a minimum one (1) hour fire-rated door.
   Section R302.6 is amended as follows:
   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.
   Section R305.1 is amended as follows:
   Minimum Height. Habitable rooms, hallways, corridors, bathrooms, toilet rooms, and laundry rooms shall have a ceiling height of not less than eight (8) feet. The required height shall be measured from the finish floor to the lowest projection from the ceiling.
   Section R313 is deleted in its entirety.
   Section R315.2.2
   Delete Exceptions 2 and 3.
   Sections R402, R403, R404, R405, R406 and R504 are revised by deleting all references to "wood foundations."
   Delete Exception.
   Section R506.1 is amended as follows:
   General. Concrete slab-on-ground floors shall be a minimum of three and one-half (3 1/2") inches thick (for expansive soils, see section R403.1.8). The minimum thickness for the required slab in a crawl space shall be two (2") inches.
   Chapters 11 through 43 are deleted in their entirety.
(Ord. 16-O-22, 4-5-2016; amd. Ord. 23-O-01, 1-17-2023, 5-1-2023)