Village of Homer Glen, IL Technical Amendments and Clarifications to International Residential Code

The following amendments, additions and deletions to the International Residential Code 2015 are adopted:

Section R101.1 is amended to read as follows:

R101.1 Title.

These provisions shall be known as the "Residential Code for One- and Two-Family Dwellings of the Village of Homer Glen."

(2)

Section R102.5 is amended to read as follows:

R102.5 Appendices.

Appendix A, Sizing and Capacities of Gas Piping; Appendix B, Sizing of Venting, Systems Serving Appliances Equipped with Draft Hoods, Category I Appliances and Appliances Listed for Use and Type B Vents; Appendix C, Exit Terminals of Mechanical Draft and Draft Vent Venting Systems; Appendix D, Recommended Procedure for Safety Inspection of an Existing Appliance Installation; Appendix G, Piping Standards for Various Applications; Appendix H, Patio Covers; Appendix J, Existing Buildings and Structures; and Appendix K, Sound Transmission, are specifically adopted by the Village of Homer Glen, Illinois and shall apply. For radon control, see the Radon Resistant Construction Act (450 ILCS 52/1 et seq.).

(3)

Section R105.2, Work exempt from permit, is amended as follows: Delete Items 1, 2, 3, 5 and 10 under "Building" in their entirety.

(4)

Section R106.1 is amended to read as follows:

R106.1 Submittal documents.

Construction documents, special inspection and structural observation programs, and other data shall be submitted in three sets with each application for a permit. The construction documents shall be prepared by a registered design professional, registered in the State of Illinois. Where special conditions exist, the Building Official is authorized to require additional construction documents to be prepared by a registered design professional. All truss design drawings shall be submitted and approved prior to permit issuance.

(5)

Section R106.3.1 is amended to read as follows:

R106.3.1 Approval of construction documents.

When the Building Official issues a permit, the construction documents shall be approved, in writing. One set of construction documents so reviewed shall be retained by the Building Official. The other set shall be returned to the applicant, shall be kept at the site of work and shall be open to inspection by the Building Official or an authorized representative.

(6)

Section R108.5 is amended to read as follows:

R108.5 Refunds.

Requests for fee refunds shall be submitted in writing to the Chief Building Official and to the Village Manager for possible consideration, and if approval is granted, the refund will be reimbursed as soon as possible.

(7)

Section R108.6 is added to read as follows:

R108.6 Plan review fees.

All plan review fees shall be paid prior to permit issuance.

(8)

Section R109.1A is added to read as follows:

R109.1A Inspections - Footings.

Inspection of the footings shall be made after poles or piers are set or trenches or basement areas are excavated and any required forms erected and any required reinforcing steel is in its final position and prior to placing of concrete.

(9)

Section R109.1.1A is added to read as follows:

R109.1.1A Inspection - Slabs.

Exterior and interior concrete slab inspection for all residential, commercial, industrial and multifamily structures, garage and basement slabs and all interior slabs and all accessory structures shall be inspected prior to placement of concrete with any required reinforcing steel in its final position.

(10)

Section R109.1.1, Inspection-Foundations, is amended by adding the following: "Inspection of the foundation shall be made prior to the concrete placement and all forms and reinforcement is in its final position."

(11)

Section R109.1.4 is amended to read as follows:

R109.1.4 Masonry inspection.

Masonry firebox inspections shall be made prior to setting of the first flue for each firebox.

(12)

Section R109.1.5.3 is added to read as follows:

R109.1.5.3 Rough EIFS and masonry inspection.

Rough EIFS inspection and masonry inspections shall be made before base coat installation and after frame inspection has been approved or at the discretion of the Building Inspector.

(13)

Section R109.1.5.4 is added to read as follows:

R109.1.5.4 Insulation inspection.

Insulation inspections shall be made before the drywall is delivered.

(14)

Table R301.2(1), Climatic and Geographic Design Criteria, is amended to read as follows:

Table R301.2(1) Climatic and Geographic Design Criteria
			SUBJECT TO DAMAGE FROM
GROUND SNOW LOAD	WIND SPEED^e (mph)	SEISMIC DESIGN CATE-GORY ^g	Weath- ering^a	Frost Line Depth^b	Ter- mite^c	Decay^d	WINTER DESIGN TEMP^f	ICE SHIELD UNDER-LAY-MENT RE-QUIRED ⁱ	FLOOD HAZ-ARDS ^h	AIR FREEZING INDEXⁱ	MEAN ANNUAL TEMP^k
30	90	B	Severe	42"	Moder- ate	Slight	0	Yes	See Zoning	Yes	50.6

	For SI: 1 pound per square foot=0.0479 kN/m², 1 mile per hour=1.609km/h.
	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 (i.e., "negligible," "moderate" or "severe") for concrete as determined from the Weathering Probability Map [Figure R301.2(3)]. The grade of masonry units shall be determined from ASTM C34, C55, C62, C73, C90, C129, C145, C216 or C652.
	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 with "very heavy," "moderate to heavy," "slight to moderate," or "none to slight" in accordance with figure R301.2(6) depending on whether there has been a history of local damage.
	d.	The jurisdiction shall fill in this part of the table with "moderate to severe," "slight to moderate," or "none to slight" in accordance with Figure R301.2(7) depending on whether there has been a history of local damage.
	e.	The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2(4)]. Wind exposure category shall be determined on a site-specific basis in accordance with Section R301.2.1.4. See amendment to Section R802.11.
	f.	The outdoor design dry-bulb temperature shall be selected from the columns of 97 1/2% 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 Building Official.
	g.	The jurisdiction shall fill in this part of the table with the Seismic Design Category determined from Section R301.2.2.1.
	h.	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 flood hazard areas), (b) the date(s) of the currently effective FIRM and FBFM, or other flood hazard map adopted by the community, as may be amended.
	i.	In accordance with Sections R905.2.7.1, R905.4.3, R905.5.3, R905.6.3, R905.7.3 and R905.8.3, for areas where the average daily temperature in January is 25° F. (-4° C.) or less, or 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."
	j.	The jurisdiction shall fill in this part of the table with the one-hundred-year return period air freezing index (BF-days) from Figure R403.3(2) or from the one-hundred-year (99%) value on the National Climatic Data Center data table "Air Freezing Index-USA Method (Base 32° F)" at www.ncdc.noaa.gov/fpsf.html.
	k.	The jurisdiction shall fill in this part of the table with the mean annual temperature from the National Climatic Data Center data table "Air Freezing Index-USA Method (Base 32° F)" at www.ncdc.noaa.gov/fpsf.html.

(15)

Section R302.1, Exterior walls, is amended as follows: Delete "Exceptions."

(16)

Section R303.9, Required heating, is amended by adding the following: "Portable space heaters shall not be used to achieve compliance."

(17)

Section R308.1, Identification: Delete Exception 1.

(18)

Section 309.6 is added to read as follows:

309.6 Separation required.

The garage shall be separated from the residence and its attic area by not less than five-eighths-inch gypsum board applied to the garage side. Where the separation is a floor-ceiling assembly, the structure supporting the separation shall be protected by not less than five-eighths-inch gypsum or equivalent. All pull down stair or ladder assemblies located in garages shall have a minimum twenty-minute fire rating. Attic access panels located in garages shall be five-eighths-inch "Type X" drywall and supported by a noncombustible material or a method approved by the Building Official.

(19)

Section R310.1, Emergency escape and rescue required, is amended by adding the following: "If sleeping rooms are installed additional, each room will require emergency egress. All basements shall have at least one means of egress opening (onto a public street, public alley, yard or exit court) in compliance with R310 or an egress door with closest access to the exterior complying with R311."

(20)

Section R302.3, Two-family dwellings. The first sentence is amended to read as follows: "Dwelling units in two-family dwellings shall be separated from each other by a wall and/or floor assemblies of not less than two-hour fire-resistive rating when tested in accordance with ASTM E119." Fiberglass mat gypsum sheathing or other approved materials are required at the locations of fire separation wall assemblies.

(21)

Section R319.1, Premises identification, is amended by adding the following: "Letters and numbers shall be at least six inches in height and legible from the street or road fronting the property."

(22)

Section R402.2, Concrete, is amended by adding the following: "All residential concrete, cold weather installation, shall meet the requirements as amended in Chapter 75, Article I, Part 5, of the Homer Glen Village Code."

(23)

In Section R404.1 Concrete and masonry foundation walls, "or other approved structural standards" shall be defined as acceptance of a registered design professional's stamped drawings.

(24)

Section R407.3, Structural requirements, is amended as follows: delete "Exception" only.

(25)

In Section R802.11, Roof tie-down, the first sentence shall be amended to read as follows: "Roof assemblies in the Village of Homer Glen shall be designed with uplift pressures of 20 pounds per square foot or greater, as established in Table R301.2(2), shall have rafter or truss ties provided at bearing locations in accordance with Table R802.11."

(26)

Section R1001.8, Smoke chamber, is amended by adding to the last sentence: "or as approved by the Building Official."

Appendix chapters.

(1)

Section AH106, Footings, is amended to read as follows: "All columns supporting patio covers shall be required to have footings that extend below frost in conformance with Table R301.2(1)."