G74-05 Ordinance No. G74-05
AN ORDINANCE
ADOPTING THE "INTERNATIONAL RESIDENTIAL CODE 2003"
AS THE ONE- AND TWO-FAMILY DWELLING CODE FOR THE CITY OF ELGIN
BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF ELGIN, ILLINOIS:
Section 1.That Chapter 16.36,entitled"One-and Two-Family Dwelling Code"of the Elgin
Municipal Code, 1976, as amended,be and is hereby further amended to read as follows:
"Chapter 16.36
ONE-AND TWO-FAMILY DWELLING CODE
Section:
16.36.010 Adopted; Exceptions.
16.36.020 Additions, Insertions and Changes.
16.36.030 Conflicts With Other Provisions.
16.36.040 Illustrations
/�► 16.36.010: ADOPTED; EXCEPTIONS:
[ A certain document,one(1)copy of which is on file in the office of the city clerk of
the city of Elgin,being marked and designated as the International Residential Code
2003,as published by the International Code Council,Inc be and is hereby adopted as
and shall be known as the One-and Two-Family Dwelling Code of the City of Elgin
for regulating the fabrication,erection,construction,enlargement,alteration,repair,
location and use of one-and-two-family dwellings,their appurtenances and accessory
structures; and each and all of the regulations,provisions,penalties,conditions and
terms of said International Residential Code 2003, including appendices B,C,D,F,
G,H and J are hereby referred to,adopted,and made a part thereof,as if fully set out
in this ordinance,with the additions,insertions,deletions and changes prescribed in
this chapter.
16.36.020: ADDITIONS, INSERTIONS AND CHANGES:
The International Residential Code 2003 is amended and revised in the following
respects:
Section R101.2 Scope, shall be amended to read as follows:
The provisions of the International Residential Code for One- and
Two-Family Dwellings shall apply to the construction, alteration,
rm movement, enlargement, replacement, repair, equipment, use and
occupancy,location, removal,and demolition of one-and two-family
dwellings and multiple single-family dwellings (townhouses) not
more than three stories in height with a separate means of egress and
their accessory structures.
Section R105.2 Work Exempt From Permit, shall be amended to read as follows:
In the subsection entitled `Building," subparagraphs 1, 2, 3 and 5
shall be deleted in their entirety.
Section R108 Fees, shall be amended to read as follows:
Permit fees shall be in accordance with the provisions set forth in
Chapter 16.48 of this code.
Section R112.1 Board of Appeals, General, shall be amended to read as follows:
In order to hear and decide appeals of orders, decisions or
determination made by the building official relative to the application
and interpretation of this code, there shall be and is hereby created a
board of appeals consisting of the Building Commission established
by Chapter 3.20 of this code.The board may adopt rules of procedure
for conducting its business relative to appeals in accordance with
Section R112 of this Chapter.
Section 112.3 Qualifications shall be deleted in its entirety.
Table R301.2(1) Climatic and Geographic Design Criteria, is amended to read as
follows:
Ground Snow Load - lbs. per sq. ft. - 30psf
Wind Speed-90 mph
Seismic Condition by Zone -A
Subject to Damage from Weathering- Yes - Severe
Frost Line Depth- 42 inches below grade
Subject to Damage from Termite -Moderate to Heavy
Subject to Decay- Slight to Moderate
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Winter Design Temperature -minus 10 deg F.
Ice Shield Underlayment Required—Yes
Air Freezing Index -1000-2000
Mean Annual Temp 45-50F
Flood Hazard-February 12, 1975
Section R303.3 Bathrooms, shall be amended to read as follows:
Bathrooms. Bathrooms, water closets compartments and similar
rooms shall be mechanically vented to the exterior using wall louvers
or roof caps with insect screens. Vent discharge into the attic or soffit
is prohibited. Mechanical vents shall be sized to provide five(5) air
changes per hour.
Section R305.1 Minimum Height, shall be amended to read as follows:
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Every habitable room shall have a ceiling height of not less than
seven(7)feet(2135mm).The required height shall be measured from
the finished floor to the lowest projection from the ceiling.
Exceptions:
1. Beams and girders spaced not less than 4 feet (1219 mm) on center may
project not more than 6 inches (203 mm)below the required ceiling height.
2.Ceilings in basements without habitable spaces may project to within 7 feet
2 inches (2185 mm)of the finished floor; and beams,girders, ducts or other
obstructions may project to within 6 feet 8 inches(1981 mm)of the finished
floor.
3. Not more than 50 percent of the required floor area of a room or space is
permitted to have a sloped ceiling less than 7 feet (2286 mm)in height with
no portion of the required floor area less than 5 feet (1524 mm) in height.
4. Bathrooms shall have a minimum ceiling height of 6 feet 8 inches (2036
mm) over the fixture and at the front clearance area for fixtures as shown in
Figure R307.2. A shower or tub equipped with a showerhead shall have
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minimum ceiling height of 6 feet 8 inches(2036 mm)above a minimum area
30 inches (762 mm)by 30 inches (762 mm) at the showerhead.
5. Ceiling heights in existing buildings, for remodeling purposes only, shall
comply with the requirements set forth in the Chapter 16.12 of this code.
Section R309.1 Opening Protections, shall be amended to read as follows:
Regulations Regarding Attached Garages:
1. Openings from a garage directly into a room used for sleeping purposes
shall not be permitted.
2. Other openings between the garage and residence shall be equipped with
solid wood doors not less than 1 3/8" in thickness,solid or honeycomb core
steel doors not less than 1 3/8"thick,or 20 minute fire rated door.Doors shall
be equipped with a self closure.
3. Six (960mm) inch high curbing shall be provided at the common walls
between the garage and the habitable space, or the garage floor shall be
constructed not less than six (6) inches below the adjoining floor.
Section R 309.1.1 Duct Penetrations, shall be amended to read as follows:
1. Ducts in the garage shall be enclosed with 5/8" fire code type gypsum
board or equivalent.
2. Ducts in the garage and ducts penetrating the walls or ceiling/floors
separating the garage shall be constructed of a minimum no. 26 gage sheet
steel and have no openings into the garage.
3.Installation of a dwelling heating unit or other fuel burning appliance in the
garage is prohibited. One hour fire-rated partitions between the space
containing house heating unit and garage space shall be installed. Doors are
not permitted common to heater room or fuel burning appliance room and
garage.
Exception: Garage heating units with UL listing(or equivalent) for such use
or a sealed combustion furnace which utilizes combustion air from the
outdoors shall be permitted.
Section R 309.2 Separation Required, shall be amended to read as follows:
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The garage shall be separated from the residence and its attic as follows:
The walls separating the garage from habitable areas of the house
shall have one(1) layer of 5/8" fire code type gypsum board on each
side or equivalent. Where a gable type connection is used, the same
construction shall be utilized as that separating the garage from the
adjacent habitable space.When the garage ceiling is to be finished to
separate the garage from the attic space, two (2) layers of 5/8" fire
code type gypsum board or equivalent shall be installed. The second
layer of gypsum board shall be positioned perpendicular to the first
layer. All joints shall be taped and spackled. Where habitable rooms
are constructed over the garage, all walls shall have one(1) layer of
5/8" fire code type gypsum board or equivalent applied and the
ceiling will have two (2) layers 5/8"fire code type gypsum board or
equivalent.
Section R309.3 Floor Surfaces, shall be amended to read as follows:
The garage floor surface shall be a minimum four(4) inches of concrete on
rook minimum a four(4)inch crushed stone,sand or gravel base shall be provided.
The floor used for parking of vehicles shall be sloped to facilitate the
movement of liquids toward the main vehicle entry doorway or to a floor
drain that has been installed in accordance with Chapter 16.20 of this code.
Section R309.7 Detached Garages, shall be created to read as follows:
Detached frame garages shall comply with the construction requirements for
one-story dwellings with the following exceptions:
1. Garages constructed within four (4) feet of a residential dwelling are
required to meet minimum foundation requirements for dwellings.
Foundation walls and footings shall not be less than forty-two (42) inches
below finish grade. The minimum foundation thickness shall be eight (8)
inches. Any walls facing the residence, in whole or in part, shall have a one
hour fire rating.
2. Grade beam construction is permitted for garages constructed more than
four(4) feet from the dwelling. The grade beam design shall be as follows:
sixteen(16) inches deep by twenty(20) inches at the top and ten(10)inches
at the base with two one-half inch diameter re-bars continuous around the
perimeter and poured monolithically with the floor slab(See Illustration A at
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the end of this chapter.). Floor slab shall be a minimum four(4)inches thick
with six (6) inch by six (6) inch number ten (10) welded wire fabric or
equivalent throughout. The Grade beam shall rest on undisturbed soil or
engineered fill. Garages larger than 490 square feet require foundations to be
extended to forty-two (42) inches below grade. A twelve-inch thick trench
wall is permitted.
3. The maximum spacing for studs shall be twenty-four(24)inches O.C.and
sixteen(16) inches O.C. if square footage is over 490 square feet.
4.Wall sheathing and building paper may be omitted if walls are ten(10)feet
in height or less and corner bracing is used. Each corner is to be braced from
the top outward in two directions to a minimum of seventy-two (72) inches
from corner at sill plate, and may be applied on the inside surface of studs.
The minimum bracing size shall be one (1) inch by four(4) inches.
5. Corner posts may consist of two (2)two(2)inch by four(4) inch posts or
one(1) four(4) inch by four(4) inch post.
6.Top plates may be single,provided rafters occur directly over the studs and
the plate is adequately tied at joints, corners and intersecting walls by a
minimum 3-inch by 6-inch by 0.036-inch-thick galvanized steel plate that is
nailed to each wall or segment of wall by six 8d nails on each side and
garage square footage is 490 or less.
7. Rafter ties at eaves shall not be less than two(2)inches by four(4)inches
with the maximum spacing of four(4) feet O.C.
8. Concrete floor:A minimum four(4)inches of concrete on minimum a four
(4)inch crushed stone, sand or gravel base shall be provided. The floor used
for parking of vehicles shall be sloped to facilitate the movement of liquids
toward the main vehicle entry doorway or to a floor drain that has been
installed in accordance with Chapter 16.20 of this code.
9. House wrap shall be required when vinyl or aluminum siding is applied.
Section R309.8 Detached Masonry Garages, shall be created to read as follows:
Detached masonry or masonry veneer garages shall comply with the
construction requirements for dwellings with the following exception:
Combined foundation wall and footing shall be permitted provided it extends
rub. forty-two (42) inches below grade and the bottom is flared to sixteen (16)
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inches. The wall width shall be wide enough to support the wall above but
shall not be less than eight (8) inches wide.
Section R309.9 Maximum Height of Detached Residential Garages,shall be created
to read as follows:
The maximum height of a detached residential garage shall be fifteen (15)
feet. (See Illustrations B and C of this chapter.)
Section R 310.1.2 Minimum Opening Height, shall be amended to read as follows:
The minimum net clear opening height shall be 24 inches (610 mm).
Exception: The minimum net clear opening height of windows below grade
shall be 36 inches (914 mm).
Section R310.1.3 Minimum Opening Width, shall be amended to read as follows:
The minimum net clear opening width shall be 20 inches (508 mm).
Exception: The minimum net clear opening width of windows below grade
shall be 24 inches (610mm).
Section R311.2.2 Under Stair Protection, shall be amended as follows:
All accessible space under interior stairs shall have under stair surface,
landings and any soffits protected on the enclosed side with minimum '/2"
gypsum board.
Section R312.3 Retaining Wall Guards, shall be created to read as follows:
Where retaining walls with differences in grade level in excess of 30" are
located closer than 2 feet to a walk, path, pedestrian area, parking lot or
driveway on the high side,such retaining walls shall be provided with guards
that are constructed to provide a protective barrier not less than 36" high
measured vertically above the adjacent walking surface. Open guards shall
have balusters,horizontal intermediate rails or other construction such that a
21-inch diameter sphere cannot pass through any opening.
Section R402.1 Wood Foundations, Section R402.1.1 Fasteners and Section
R402.1.2 Wood Treatment, shall be deleted in their entirety.
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Section R403.1 General, shall be amended to read as follows:
All exterior walls shall be supported on continuous solid or fully grouted
masonry or concrete footings, or other approved structural systems which
shall be of sufficient design to accommodate all loads to the soil within the
limitations as determined from the character of the soil. Footings shall be
supported on undisturbed natural soils or engineered fill.
Section R403.1.1 Minimum Size, shall be amended to read as follows:
Minimum sizes for concrete and masonry footings shall be as set forth in
Table R403.1 and Figure R403.1(1).The footing width,W,shall be based on
the load-bearing value of the soil in accordance with Table R401.4.1. Spread
footings shall be at least 8 inches(203 mm)in thickness.Footing projections,
P,shall be at least 2 inches(51 mm)and shall not exceed the thickness of the
footing.The size of footings supporting piers and columns shall be based on
the tributary load and allowable soil pressure in accordance with Table
R401.4.1.
Exception: The minimum width of footings shall be 18 inches (457 mm),
except for masonry veneer on frame walls the footing shall be a minimum of
10 (254 mm) inches deep and 20 (508 mm) inches wide.
Section R403.1.3.2 Slabs-On-Ground with Turned-Down Footings,shall be amended
to read as follows:
Slabs-on-ground with turned-down footings, when approved, shall be a
minimum twelve (12) inches wide and a minimum forty-two (42) inches
below grade with two(2)number five(5)re-bar reinforcing continuous at top
and bottom all around.
Exception: Garage foundations and slabs shall be constructed per Illustration
A.
Section R403.2 Footings for Wood Foundations, shall be deleted in its entirety.
Section R403.3 Frost Protected Shallow Foundations,Section R403.3.1 Foundations
Adjoining Frost-Protected Shallow Foundations, Section R403.3.1.1 Attachment to
Unheated Slab-On-Ground Structure, Section R403.3.1.2 Attachment to Heated
Structure and Section R403.3.2 Protection of Horizontal Insulation Below Ground,
/� shall be deleted in their entirety.
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Section R404.1.2.1 Horizontal Reinforcement, shall be created to read as follows:
Concrete walls shall be reinforced by four(4)number five rods. Two of the
number five rods shall be located twelve (12)inches from the bottom of the
wall and the second two of the number five rods shall be located twelve(12)
inches below the top of the wall.
Section R404.1.2.2 Wall Openings, shall be created to read as follows:
Vertical wall reinforcement shall be required at all foundation wall openings.
Vertical reinforcement shall be number 4 rods and shall be placed within 6
inches of each side of the opening and shall either extend 12 inches beyond
the opening or tie to the horizontal reinforcement with standard 90 degree
hook, two bars. (see Illustration D)
Section R404.2 Wood Foundation Walls, shall be deleted in its entirety.
Section R404.4 Insulating Concrete Form Foundation Walls, shall be amended to
read as follows:
Insulating concrete form (ICF) foundation walls shall be designed and
constructed in accordance with the provisions of this section or in accordance
with the provisions of ACI 318. When ACI 318 or the provision of this
section are used to design insulating concrete form foundation walls,project
drawings,typical details and specifications are required to bear the seal of the
architect or engineer responsible for design unless otherwise required by the
state law of the jurisdiction having authority.
Section R405.2, Section R405.2.1, Section R405.2.2 and Section R405.2.3 shall be
deleted in their entirety.
Section R406.2.1 Concrete and Masonry Foundation Waterproofing,shall be created
to read as follows:
Concrete and masonry foundation waterproofing shall be required in
compliance with Section R406.2 of this chapter where the basement is a
walkout or an English-type half basement.
Sections R406.3, Section R406.3.1, Section R406.3.2, Section R406.3.3, Section
R406.3.4 shall be deleted in their entirety.
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Section R407.3 Structural Requirements, shall be amended to read as follows:
The columns shall be restrained to prevent lateral displacement at the top and
bottom ends. Wood columns shall not be less in nominal size than 4 inches
by 4 inches(102 mm by 102mm) and steel columns shall not be less than 3-
inch-diameter(76 mm) standard pipe or approved equivalent.
Section R502.1.4 Prefabricated Wood I-Joist, shall be amended to read as follows:
Structural capacities and design provisions for prefabricated wood I-joist
shall be established and monitored in accordance with ASTM D 5055.
Deflection shall be L/480 with maximum deflection of%2".
Section R502.6.2 Joist Framing, shall be amended to read as follows:
Joist framing into the side of a wood girder shall be supported by approved
framing anchors or an approved ledger strip.
Section 502.11.1 Wood Trusses Design shall be amended to read as follows:
Wood trusses shall be designed in accordance with approved engineering
practice.The design and manufacture of metal plate connected wood trusses
shall comply with ANSI/TPII. The truss design drawings shall be prepared
by a registered professional where required by the statues of the jurisdiction
in which the project is to be constructed in accordance with Section R106 of
this Chapter. Deflection shall be L/480 with maximum deflection of%2".
Table R503.2.1.1(1) shall be amended to read as follows:
TABLE R503.2.1.1(1)
ALLOWABLE SPANS AND LOADS FOR WOOD STRUCTURAL PANELS FOR
ROOF AND SUBFLOOR SHEATHING AND COMBINATION SUBFLOOR
UNDERLAYMENTa'b'C(Plywood structural panels are to be rated 4/5 ply)
SHEATHING GRADES ROOF° FLOORd
Panel span Panel Maximum span Load°(psf) Maximum
rating thickness (inches) span
roof/floor (inches) (inches)
span
With With Total Live
edge out load load
supp edge
ore supp
ort
12\0 5/8 12 12 50 40 0
16\0 5/8 16 16 _ 50 40 0
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20\0 5/8 20 20 50 40 0
24\0 5/8 24 20 50 40 16
24\16 5/8 24 24 50 40 16
32\16 5/8 24 24 50 40 16
40\20 5/8,3/4, 40 32 40 30 24
7/8
48\24 21/32, 48 36 45 35 32
3/4,7/8
60\32 1,11/8 60 48 45 35 32
SINGLE FLOOR GRADES ROOFC FLOORd
Panel Panel Maximum span Loade(psf) Maximu
span thicknes (inches) m span
rating s (inches)
(inches)
Wit With Tot Liv
h out al e
edg edge 1 a loa .
e ort d d
sup
port
f
elk 16 oc 5/8 24 24 50 40 16h
20 oc 5/8,3/4 24 24 50 40 20h,i
24 oc 23/32, 48 36 35 25 24
3/4
32 oc 7/8, 1 48 40 50 40 32
48 oc 1 3/32, 60 48 50 40 48
1 1/8 •
For SI 1 inch=25.4 mm, 1 pound per square foot=0.0479 kN/m2
a. The allowable total loads were determined using a dead load of lOpsf.If the dead load exceeds 10 psf,then the live load shall
be reduced accordingly.
b. Panels continuous over two or more spans with long dimension perpendicular to supports.Spans shall be limited to values
shown because of possible effect of concentrated loads.
c. Applies to panels 24 inches or wider.
d. Lumber blocking,panel edge clips(one midway between each support,except two equally spaced between supports when
span is 48 inches),tongue-and-groove panel edges,or other approved type of edge support.
e. Includes Structural I panels in these grades.
f. Uniform load deflection limitation:1/180 of span under live load plus dead load,1/240 of span under live load only.
g. Maximum span 24 inches where_inch wood finish flooring is installed at right angles to joists.
h. Maximum span 24 inches where 1.5 inches of lightweight concrete of approved cellular concrete is placed over the subfloor.
i. Unsupported edges shall have tongue-and groove joints or shall be supported with blocking unless minimum nominal_inch
thick underlayment with end and edge joints offset at least 2 inches or 1.5 inches of lightweight concrete or approved cellular
concrete is placed over the subfloor,or_inch wood finish flooring is installed at right angles to the supports.Allowable
uniform live load at maximum span,based on deflection of 1/360 100 psf.
j. Unsupported edges shall have tongue-and-groove joints or shall be supported by blocking unless nominal_inch thick
underlayment with end and edge joints offset at least 2 inches or _inch wood finish flooring is installed at right angles to the
supports.Allowable uniform live load at maximum span,based on deflection of 1/360 of span,is 100psf,except panels with
a span rating of 48"on center are limited to 65 psf total uniform load at maximum span.
,,, Section R601.2 Requirements, shall be amended to read as follows:
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Wall construction shall be capable of accommodating all loads imposed
according to Section R301 and of transmitting the resulting loads to the
supporting structural elements. Walls which will contain any one and one-
half inch diameter supply or waste piping, or larger, shall be framed with a
minimum two (2) inch by six (6) inch nominal studs. Exterior walls that
contain water supply and waste piping shall be framed to allow a minimum of
R-13 insulation (or minimum required by Energy Conservation Code)
between the piping and the exterior sheathing of the wall.
Section R602.3.2 Top Plate, shall be amended to read as follows:
Exception: The exception pertaining to a single top plate shall be deleted in
its entirety.
Table R602.3(5) Size, Height and Spacing of Wood Studs shall be amended as
follows:
Maximum spacing for bearing walls shall be sixteen (16) inches.
Exception: For garages under 490 square feet and sheds,the maximum stud
spacing may be twenty four(24)inches when supporting the roof and ceiling
only.
Section R611.1 General, shall be amended to read as follows:
Insulating concrete form walls shall be designed and constructed in
accordance with the provisions of this section or in accordance with the
provisions of ACI 318. When ACI 318 or the provision of this section are
used to design insulating concrete form walls, project drawings, typical
details and specifications are required to bear the seal of the architect or
engineer responsible for design unless otherwise required by the state law of
the jurisdiction having authority.
Section R703.1.1,Exterior Covering, Corrugated Plastic, shall be created to read as
follows:
The use of corrugated plastic siding material shall be prohibited.
Section R703.2 Weather-Resistant Sheathing Paper, shall be amended to read as
follows:
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Asphalt saturated felt, free from holes and breaks,weighing not less than 14
pounds per 100 square feet, and complying with ASTM D 226 or other
approved weather resistant material shall be applied over studs or sheathing
of all exterior walls unless prohibited by manufacture recommendation.Such
felt or material shall be applied horizontally,with the upper layer lapped over
the lower layer not less than two(2)inches. Where vertical joints occur, felt
shall be lapped not less than 6 inches (152 mm).
Exception: Such felt or material is permitted to be omitted in the following
situations:
1. In detached accessory buildings.
2. Under paper backed stucco lath.
Section R801.3 Roof Drainage, shall be amended to read as follows:
In areas where expansive or collapsible soils are known to exist,all dwellings
shall have a controlled method of water disposal from roofs that will collect
risk and discharge all roof drainage to the ground surface at least five (5) feet
(1524 mm) from foundation walls or to an approved drainage system. Roof
gutters and down spouts shall be installed and maintained at all locations
where water will run off the roof onto a walking or driving surface below.
Down spout leaders shall not discharge across walking or driving surfaces.
Section R802.20.2 Design shall be amended to read as follows:
Wood trusses shall be designed in accordance with accepted engineering
practice. The design and manufacture of metal plate connected wood trusses
shall comply with ANSI/TPII. The truss design drawings shall be prepared
by a registered professional where required by the statues of the jurisdiction
in which the project is to be constructed in accordance with Section 106.1.
Maximum deflection shall be L/240.
Section R807.1 Attic Access, shall be amended to read as follows:
An opening not less than 22 inches by 30 inches (559mm by 762 mm) shall
be provided to any attic area having a clear height of over 30 inches (762
mm) minimum clear headroom. Attic access doors and hatches shall have a
mechanical latching device such that the door will not open unless the latch is
physically or manually released. Such doors and hatches shall be operable
from occupant side and achieve a fire-resistance-rating not less than the
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assembly being penetrated. The access shall be in a readily accessible
location.When mechanical equipment is located in attics,the requirements of
Chapter 16.32 of this title shall apply.
Section R902.1.1 Roof Classification,Corrugated Plastic,shall be created to read as
follows.
The use of corrugated plastic and or fiberglass roofing panels shall be
prohibited.
Section R1003.2 Footings and Foundations, shall be amended to read as follows:
Foundations for masonry fireplaces and their chimneys shall have a minimum
thickness of 12 inches(305 mm).The minimum projection of each side shall
be 6 inches (152 mm). The footings shall be poured integral with the wall
footing when the chimney occurs in the outside wall or the inside bearing
wall.
Section R1001.6.1 Spark Arresters, shall be amended to read as follows:
Spark arresters shall be required on the chimney of all fireplaces designed to
be capable of burning wood. Spark arrestors shall meet all of the following:
1. The net free area of the arrestor shall not be less than four times the net
free area of the outlet of the chimney flue it serves.
2. The arrestor screen shall have heat and corrosion resistance equivalent to
19- gage galvanized steel or 24-gage stainless steel
3. Openings shall not permit the passage of spheres having a diameter greater
than %2 inch(12.7 mm)nor block the passage spheres having a diameter less
than 3/8 inch(9.5 mm).
4. The spark arrestor shall be accessible for cleaning and the screen or
chimney cap shall be removed to allow for cleaning of the chimney flue.
Section R1002.4.1 Spark arrestors,factory-built chimney,shall be created to read as
follows:
Spark arresters shall be required on the chimney of all fireplaces designed to
be capable of burning wood. Spark arrestors shall meet all of the
�r�► requirements of Section 1001.6.1
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Section M1201.2 Mechanical Administration, Application, shall be amended as
follows:
In addition to the general administration requirements of chapter 1 of the
International Residential Code 2003,as amended and revised by this chapter,
16.36 the administration provisions of chapter 12 of the International
Residential Code 2003, as amended and revised by this chapter 16.36, shall
also apply to the mechanical requirements of chapters 13 through 24 of the
International Residential Code 2003,as amended and revised by this chapter
16.36.Furnace installation instructions shall be made available to the heating
inspector upon request.
Section M1301.1 Scope, shall be amended to read as follows:
The provisions of chapter 13 of the International Residential Code 2003, as
amended and revised by this chapter 16.36, shall govern the installation of
mechanical systems not specifically covered in other chapters applicable to
mechanical systems. Installations of mechanical appliances, equipment and
systems not addressed by this code shall comply with the applicable
provisions of the International Mechanical Code and the National Fuel Gas
Code (1999).
Section M1302.1.1 Ventless heaters and fireplaces, shall be created to read as
follows:
Ventless heaters and fireplaces shall be prohibited.
Section M1307.5 Electrical appliances, shall be amended to read as follows:
Electrical appliances shall be installed in accordance with chapters 14, 15, 19,
20 of the International Residential Code 2003, as amended and revised by
this chapter 16.36, NFPA 70 and the National Electrical Code (2002).
Section M1406.2 Clearances, shall be amended to read as follows:
Clearance for radiant heating panels or elements to any wiring, outlet boxes
and junction boxes used for installing electrical devices or mounting fixtures
shall comply with the National Electrical Code(2002).
Section M1407.1 General, shall be amended to read as follows:
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Electrical duct heaters shall be installed in accordance with the manufacture's
installation instructions and the National Electrical Code (2002). Electrical
furnaces shall be tested in accordance with UL 1995.
Section M1409.1.1 Wall heater installation, shall be created to read as follows:
Wall heaters venting to the exterior and drawing exterior air for combustion
may be installed in existing buildings.
Section M1506.3.1 Mechanical ventilation in rooms with bathing fixtures, shall be
created to read as follows:
All rooms containing bathtubs, showers, spas, and similar bathing fixtures
shall be mechanically exhausted. In addition, all rooms containing toilets,
lavatories and similar fixtures shall be mechanically exhausted, The exhaust
rate from each of these rooms shall be five(5) air changes for every one(1)
hour(one (1) air change every twelve(12)minutes). The exhaust duct shall
be sized not less than the fan discharge size and vent directly outdoors via a
roof cap, wall cap, or wall louver with insect screens when required.
Section M1601.1.1 Above ground duct systems,subparagraph 5,shall be amended to
read as follows:
Gypsum products may be used as ducts or plenums, provided that the air
temperature does not exceed 95 degrees Fahrenheit and exposed surfaces are
not subject to condensation.
Section M1601.1.1 Above ground duct systems,subparagraph 7.3,shall be amended
to read as follows:
Stud wall cavities shall not convey return air from more than one room and/or
one floor level.
Section M1601.1.1 Above ground duct systems, subparagraph 8, shall be created to
read as follows:
Flexible air ducts,both metallic and non-metallic,shall be listed and labelled
to indicate conformance with the requirements of U.L. 181 for Class 0 or
Class 1 flexible air ducts. Flexible air ducts shall not exceed ten(10) feet in
length.
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Section M1601.1.1 Above ground duct systems, subparagraph 9, shall be created to
read as follows:
Flexible air connectors, both metallic and non-metallic, shall be listed and
labelled to indicate conformance with the requirements of U.L. 181 for Class
0 or Class 1 flexible air ducts.Flexible air ducts shall not exceed ten(10)feet
in length.
Section M1601.1.1 Above ground duct systems,subparagraph 10,shall be created to
read as follows:
Flexible and/or non-metallic connectors shall not be installed in non-
accessible areas of any dwelling.
Section M1601.1.1 Above ground duct systems,subparagraph 11,shall be created to
read as follows:
Where air diffusing supply grilles are placed in the baseboard or immediately
above on interior walls,air velocities shall not exceed four hundred(400)feet
per minute; where air grilles are placed in the baseboard or immediately
above or in the floor on exterior walls, air velocities shall not exceed five
hundred (500) feet per minute. Where placement of grilles is above head
level,velocity shall be from five hundred(500)to seven hundred(700) feet
per minute. All living quarters shall be supplied with at least five (5) air
changes per hour (one (1) air change every twelve (12) minutes) and all
supply grilles shall be directly connected to either the heating unit or the main
duct line.Velocity at the return air grille shall not exceed four hundred(400)
feet per minute.
Section 1601.1.1.3 Supply ducts for dwellings on concrete slabs, shall be created to
read as follows:
Supply ducts for dwellings erected on concrete slabs shall be installed from
the furnace to the registers embedded and anchored in the slab on which the
dwelling is erected. In two and three story dwellings,heating outlets shall be
located not more than twelve (12) inches as measured from the top of the
grille to the finished floor in that portion of a dwelling utilizing concrete slab.
Table M1601.1.1(2) Gages of metal ducts and plenums used for heating or cooling,
shall be amended to read as follows:
Round ducts:
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6"diameter or less 30 GA
6-14"diameter 28 GA
Over 14" diameter 26 GA
Exposed rectangular ducts:
13" or less 26 GA
14-30" 24 GA
Over 30" 22 GA
Section M1601.2.3 Duct sizes, shall be created to read as follows:
Supply and return ducts shall be sized according to ACCA Manual D or
SMACNA Installation Standards for Residential Heating and Air
Conditioning Systems or other approved methods. In addition, for a
residential air system,the main supply ducts shall be sized for an air velocity
not to exceed one thousand(1,000)feet per minute.All branch ducts shall be
sized for an air velocity not to exceed six hundred(600) feet per minute. In
supply air ducts transition fittings are required in all changes in duct size.
Bullhead fittings are prohibited.
Section M1601.3 Installation, shall be amended to read as follows:
Duct installation shall comply with sections M1601.3.1 through M1601.3.6
of this chapter. Heating supply air shall be distributed to all rooms.
Exception: Interior spaces mechanically vented via other systems.
Section M1602.1.2, Return air for warm air furnaces, shall be created to read as
follows:
Return air for warm air furnaces is required from all rooms except as
prohibited by section M1602.2 of this chapter.Central returns are prohibited.
Section M2005.3 Electric water heaters, shall be amended to read as follows:
Electric water heaters shall be installed in accordance with the applicable
provisions of the National Electrical Code (2002)
Section M2101.2 System drain down, shall be amended to read as follows:
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Hydronic piping systems shall be installed to permit the system to be drained.
When the system drains to the plumbing drainage system, the installation
shall conform to the requirements of chapter 16.20 of this code.
Section M2101.3 Protection of potable water, shall be amended to read as follows:
The potable water system shall be protected from backflow in accordance
with the provisions of chapter 16.20 of this code.
Chapters 22, Special piping and storage systems, shall be deleted in its entirety.
Section G2406.2 (303.3) Prohibited locations, shall be amended to read as follows:
Exceptions 3 and 4 shall be deleted in their entirety.
Section G2410.2 (309.2) Connections, shall be amended to read as follows:
Electrical connections between gas utilization equipment and the building
wiring, including the grounding of the equipment, shall conform to the
•
National Electrical Code (2002).
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Section G2445 (621) Unvented room heaters, shall be deleted in its entirety.
Chapters 26 thru 42, inclusive, shall be deleted in their entirety.
Appendix A, Sizing and Capacities of Gas Piping, shall be deleted in its entirety.
Appendix B, Sizing of Venting Systems Serving Appliances Equipped With Draft
Hoods,Category I Appliance and Appliances Listed For Use and Type B Vents,shall
be adopted in its entirety.
Appendix C, Exit Terminals of Mechanical Draft and Direct Vent Venting System,
shall be adopted in its entirety.
Appendix D, Recommended Procedure for Safety Inspection of an Existing
Appliance, shall be adopted in its entirety.
Appendix E, Manufactured Housing Used as Dwellings, shall be deleted in its
entirety.
Appendix F, Radon Control Methods, shall be adopted in its entirety with the
exception of the following specified amendments:
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Amend Section AF103.6.1 Vent pipe to read as follows:
A minimum 3-inch-diameter (76mm) PVC or equivalent gas-tight
pipe shall be embedded vertically into the sub-slab aggregate or other
permeable material before the slab is cast.A"T"fitting or equivalent
method shall be used to ensure that the pipe opening remain within
the sub-slab permeable material.Alternatively,the 3-inch pipe shall
be inserted directly into an interior perimeter drain tile loop or
through a sealed sump cover where the sump is exposed to the sub-
slab aggregate or connected to it through a drainage system.
Amend Section AF 103.4.10 Crawl Space Access,to read as follows:
Access doors and other openings or penetrations between basements and
adjoining crawl spaces shall be closed,gasketed or otherwise filled to prevent
air leakage. These requirements may be eliminated if a 2-inch thick concrete
slab is installed which will meet the requirements of this appendix for
concrete slab installation.
Appendix G, Swimming Pools, Spas and Hot Tubs, shall be adopted in its entirety
with the exception of the following specified amendments:
Amend Section AG102 Definitions, Swimming Pool, to read as follows:
Swimming Pool.Any structure intended for swimming or recreational
bathing that has the ability to contain water over 24 inches(610mm)
deep. This includes in-ground, aboveground and on ground
swimming pools, hot tubs and spas.
Appendix H Patio Covers, shall be adopted in its entirety.
Appendix I, Private Sewage Disposal, shall be deleted in its entirety.
Appendix J, Existing Buildings and Structures, shall be adopted in its entirety.
Appendix K, Sound Transmission, shall be deleted in its entirety.
Appendix L,International Residential Code Electrical Provisions/National Electrical
Code Cross-Reference, shall be deleted in its entirety.
16.36.030 CONFLICTS WITH OTHER PROVISIONS
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When a provision of this chapter conflicts with any other provision of this code
regulating the same subject matter, the more stringent or restrictive provision shall
apply.
16.06.040 ILLUSTRATIONS:
SEE ILLUSTRATIONS A, B, C AND D ON FOLLOWING PAGE:
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21
ILLUSTRATIONS:
ILLUSTRATION A
■imi/rmi■Inure i■6nsw
•11/11•/■•■•■11//11■•■■11■►
■111111111111111111•11111111•11//11/
•1111•■••■•■■■■1111111111/11,
■1111■1111•■1111■11•1111•11•11/
■111111••••■••••••••••
■1111■11•1111■1111•••••••
1111■■■/11111111■■■■■■11' I
111111••••••••1111111111'
1111■■•••••••••••'
■/1111■■■111111111111►.
■•••••1111•■■•'
1111•111111111111111"
11111111•1111■•111 I
11111111111•11111•11/
■11111111•11/"
■1111111111►
1111111111►
Mir WELDED WIRE MESH
111111111! THROUGHOUT SLAB
rik ■r
GRADE BEAM SLAB
zo"
GRADE '°'
in
2 /2" REBAR
CONTINUOUS ALL
AROUND SLAB EDGE
10"
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City of Elgin
ILLUSTRATION B
BUILDING HEIGHT
"Building height" means the vertical distance measured from the established average grade at
the foundation to the highest point of the underside of the ceiling beams, in the case of the
flat roof; to the deck line of a mansard roof; and to the main level of the underside rafters
between the eaves and the ridge of a gable, hip, or gambrel roof. Chimneys, spires, towers,
elevator penthouses, tanks, and similar projections other than signs shall not be included in
calculating the height.
A
B
C
BUILDING
HEIGHT
IN
r i
D
Point A is the ridge of the roof.
Point B is the average level of the underside of the rafters between the eaves and the ridge of
the roof.
Point C is the underside of the rafters at the eave.
Point D is the minimum grade at the foundation.
Point E is the average grade at the foundation.
Point F is the maximum grade at the foundation.
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City of Elgin
rak ILLUSTRATION C
BUILDING HEIGHTS
Building height is the vertical distance measured from the established grade to the highest
point of the roof surface for flat roofs; to the deck line of mansard roofs; and to the average
height between eaves and ridge for gable, hip and gambrel roofs.
/\4111t
BUHLDIHG
HEIGHT
END VIEW SIOE VIEW
GABLE ROOF
AWE AllW
BUIILDING
HEIGHT
END VIEW SIDE VIEW
HIP ROOF
71141111
BUIILDING
HEIGHT
END VIEW SIDE VIEW
GAMBREL ROOF
MIL
BUIILDING
HEIGHT
END VIEW SIDE VIEW
MANSARD ROOF
City of Elgin
•
ellihk
ILLUSTRATION D
12"
N I
I
I
I WINDOW
UNIT 2 - 4 REBAR ALL
AROUND WINDOW
OPEOURED
CONNICRENG TE IN WAPLL
_l___ ii
ELEVATION 12" SECTION
WINDOW OPENING IN CONCRETE WALL
WOOD FLOOR
)r (, FLOOR JOISTS
1. / SILL PLATE BOLTED
I
- - -- TO FOUNDATION WALL
WINDOW • CONCRETE
UNIT FOUNDATION
;;/ WALL
2 - #4 REBAR 24" LONG
SET AT 45 DEGREE ANGLE
AT EACH CORNER OF WINDOW
WINDOW OPENING AT TOP OF
CONCRETE FOUNDATION WALL
(Ord. G16-98 § 1, 1998)
City of Elgin
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Section 3. That all ordinances or parts of ordinances in conflict with the provisions of
this ordinance be and are hereby repealed.
Section 4. That this ordinance shall be in full force and effect immediately after its
passage in the manner provided by law.
c%Z7C.ellefir/l
d Schock,Mayor
Presented: July 27, 2005
Passed: July 27, 2005
Omnibus Vote: Yeas: 7 Nays: 0
Recorded: July 28, 2005
Published:
Attest:
'LAI; L _.
Dolonna Mecum, City Clerk
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