A certain document, one (1) copy of which is on file in the office of the city secretary, being marked and designated as the International Residential Code, 2018 edition, as published by the International Code Council, be and is hereby adopted as the residential code of the city for regulating and governing the construction, alteration, movement, enlargement, replacement, repair, equipment, location, removal and demolition of detached one- and two-family dwellings and multiple single-family dwellings (townhouses) not more than three stories in height with separate means of egress as herein provided; providing for the issuance of permits and collection of fees therefor; and each and all of the regulations, provisions, penalties, conditions and terms of said residential code on file in the office of the city secretary are hereby referred to, adopted, and made a part hereof, as if fully set out in this division, with the additions, insertions, deletions and changes, if any, prescribed in section 4.02.052 of this division.
(Ordinance 2022-0322-01 adopted 3/22/22)
The following sections are hereby revised:
(1) 
Table R301.2(1) of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
Ground Snow Load
Wind Design
Seismic Design Category
Subject to Damage From
Winter Design Temp
Ice Barrier Under - Layment Required
Flood Hazard
Air Freezing Index
Mean Annual Temp.
Speed (mph)
Topographic effects
Special wind debris zone
Wind - borne
 
Weathering
Frost Line Depth
Termite
5 lb/sq.ft
115
No
No
No
A
Negligible
12
Mod. to heavy
28
No
FIRM c. 2014
30
68.1
(2) 
Section R303.4.1 of the International Residential Code, 2018 edition, adopted by the city, is hereby added to read as follows:
R303.4.1 Laundry mechanical ventilation. Mechanical ventilation will be provided in laundry areas in accordance with Table M1505.4.4 Bathrooms-Toilet Rooms.
(3) 
Section R403.1.1 of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
R403.1.1 Minimum size. The minimum width, W, and the minimum thickness, T, for concrete footings shall be in accordance with Table R401.1(1) through R401.1(3) and Figure R403.1(1) or 403.1.3, as applicable, but not less than 12 inches (305 mm) in width, and 12 inches (305 mm) in depth….
(4) 
Section R313.2 of the International Residential Code, 2018 edition, adopted by the city is hereby amended to read as follows:
R313.2 One- and Two-family dwellings automatic sprinkler systems. Section R313.2 of the International Residential Code, 2018 edition, adopted by the city, is hereby deleted in its entirety.
(5) 
Section R602.3.1 of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
R602.3.1 Stud Size, height and spacing. The size, height and spacing of studs shall be in accordance with Table R602.3(5). All wet walls, those containing DWV plumbing and mechanical exhaust, shall be required to be 2 x 6 nominal lumber.
(6) 
Section M1307.8 of the International Residential Code, 2018 edition, adopted by the city, is hereby added to read as follows:
M1307.8 Water deflection. Outdoor unit location must be far enough away from any structure to prevent excess roof runoff water from pouring directly on the unit or protected in a manner acceptable to the Building Official.
(7) 
Section R1004 of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to add the following Section:
R1004.6 Factory built fireplace air spaces and chases. No electrical, mechanical, or plumbing, except for the combustion air vent and gas line feed associated with the firebox, shall intrude into the airspace enclosing the firebox or any chase for chimney components associated with the fireplace.
(8) 
Section G2517.4.1 (406.4.1) of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
G2417.4.1(406.4.1) Test pressure. The test pressure to be used shall be not less than 10 psig irrespective of design pressure. Where the test pressure exceeds 125 psig (862 kPa gauge), the test pressure shall not exceed a value that produces a hoop stress in the piping greater than 50 percent of the specified minimum yield strength of the pipe.
(9) 
Section P2503.5.1 of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
P2503.5.1 Rough Plumbing. DWV systems shall be tested on completion of the rough piping, and top out piping installation by water or air with no evidence of leakage. Either test shall be applied to the drainage system in its entirety or in sections after rough piping and top out piping has been installed, as follows:
1. 
Water test.
Each section shall be filled with water to a point not less than 5 feet above the highest fitting connection in that section, or to the highest point in the completed system. Water shall be held in the section under test for a period of 15 minutes. The system shall prove leak free by visual inspection.
2. 
Air test.
The portion under test shall be maintained at a gauge pressure of 5 pounds per square inch (psi) using a 0-15 psi air test gauge assembly with 1/10th lb. increments. This pressure shall be held without introduction of additional air for a period of 15 minutes.
(10) 
Section P2602.1 of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
P2602.1 General. … A building having plumbing fixtures installed and intended for human habitation, occupancy or use on the premises abutting on a street, alley or easement in which there is a public sewer shall have a separate connection to the sewer via individual building sewer. Where public sewer is not available …
(11) 
Section P2706.1.2 of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
P2706.1.2 Standpipes. Standpipes shall extend not less than 18 inches (457mm) and not greater than 42 inches (1067mm) above their trap weir. Traps shall be installed not less than 6 inches and not greater than 18 inches above grade.
(12) 
Section P2903.10 of the International Residential Code, 2018 edition, adopted by the city, is hereby deleted in its entirety.
(13) 
Section P3008.1 of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
P3008.1 General. Fixtures on the first floor of a foundation where the foundation is located at or below the flood level rim of the next upstream manhole cover of the public sewer shall be protected from backflow of sewage by installing an approved backwater valve. Fixtures located on elevated floors of a building above the flood level rim of the next upstream manhole shall not discharge through the backwater valve. Backwater valves shall be provided with access.
(14) 
Section P3103.1.3 of the International Residential Code, 2018 edition, adopted by the city, is hereby deleted in its entirety.
(15) 
Section P3104.1 of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
P3104.1 Connection. All individual branch and circuit vents shall connect to a vent stack, stack vent or extend to the open air.
Exception: Individual, branch and circuit vents shall be permitted to terminate to an air admittance valve upon approval by the Building Official.
(16) 
Section P3201.6 of the International Residential Code, 2018 edition, adopted by the city, is hereby amended to read as follows:
P3201.6 Number of Fixtures per Trap. Each plumbing fixture shall be separately trapped by a water seal trap placed as close as possible to the fixture outlet. The vertical distance from the fixture outlet to the trap weir shall not exceed 24 inches. The height of a clothes washer standpipe above a trap shall conform to Section P2706.1.2. Fixtures shall not be double trapped.
(Ordinance 2022-0322-01 adopted 3/22/22)
Nothing in this division or in the residential code hereby adopted shall be construed to affect any suit or proceeding impending in any court, or any rights acquired, or liability incurred, or any cause or causes of action acquired or existing, under any act or ordinance repealed as provided in the ordinance from which this section derives; nor shall any just or legal right or remedy of any character be lost, impaired or affected by this division.
(Ordinance 2022-0322-01 adopted 3/22/22)
Any person who violates a provision of this code, or fails to comply therewith, or with any of the requirements thereof, shall be guilty of a misdemeanor, and subject to a fine of between $1.00 and $2,000.00. Each day a violation occurs constitutes a separate offense.
(Ordinance 2022-0322-01 adopted 3/22/22)