City of Harrisonville, MO Article II International Residential Code (IRC) For One- And Two-Family Dwellings

Section 500.070 Adoption of Standards.

[Ord. No. 3236 §1, 8-5-2013; Ord. No. 3503, 8-3-2020]

A. The City hereby adopts the International Residential Code for One- And Two-Family Dwellings, 2018 Edition, as published by the International Code Council, including Appendix Chapters A, B, C, D, E, H, J, and M, as the official Building Code for One- and Two-Family Dwellings of the City of Harrisonville, Missouri.

B. The City is hereby directed to maintain a copy of the International Residential Code, 2018 Edition, at all times in the offices of the City.

Section 500.080 Amendments.

[Ord. No. 3236 §1, 8-5-2013; Ord. No. 3503, 8-3-2020; Ord. No. 3428, 2-5-2018; Ord. No. 3429, 2- 5- 2018; Ord. No. 3538, 4-19-2021]

A. The Residential Code for One- and Two-Family Dwellings adopted by the provisions of this Article is hereby amended and/or modified in the following respects:

1. In IRC Section R101.1, insert "City of Harrisonville."

2. IRC Section R103, Department of Building Safety, shall be amended as follows: Delete "Department of Building Safety" and insert "Community Development Department."

[Ord. No. 3610, 11-7-2022]

3. IRC Section R103.1, Creation of Enforcement Agency, shall be amended as follows: Delete the entire paragraph and insert: The "Community Development Department is hereby created and the official in charge thereof for purposes of administration of this Code shall be known as the Building Official, Code Official or Director of Community Development."

[Ord. No. 3610, 11-7-2022]

4. In IRC Section R105.2, Work exempt from permit:

a. Amend Item 1 by changing "200 square feet" to "120 square feet."

b. Delete Item 2 in its entirety.

c. Item 5 shall be amended as follows: "Sidewalks and driveways located on private property."

5. Delete IRC Section R108, Fees, in its entirety.

6. The following Subsection (Section 110.4.1) shall be added as follows:

R110.4.1 TCO Cost. The cost for a second (2nd) Temporary Certificate of Occupancy (TCO) and any TCO thereafter shall be two hundred dollars ($200.00) each and is limited to three (3) total TCOs allowed for a residential permit.

7. Delete IRC Section R112, Board of Appeals, in its entirety.

8. In Table R301.2 (1), Climatic and Geographic Design Criteria, insert:

a. Ground Snow Load: 20 pounds per square foot.

b. Wind Speed: 115 miles per hour.

c. Seismic Design Category: A.

d. Weathering: Severe.

e. Frost Line Depth: 36 inches.

f. Termite: Moderate to heavy.

g. Winter Design Temp: 6° Fahrenheit.

h. Ice Barrier Underlayment: Yes.

i. Flood Hazards: January 2, 2013, FIRM.

j. Air Freezing Index: 927.

k. Annual Air Temperature: 55.5° Fahrenheit.

9. Delete 2012 IRC Sections R302.2 and 302.3 and replace with 2006 IRC Section R317.1.

10. Delete IRC Section R312.2.1, Window sills, in its entirety.

11. Delete IRC Section 313, Residential sprinkler systems, in its entirety.

12. Delete IRC Section R317.1.1, Field treatment, in its entirety.

13. Delete IRC Section R318.1.2, Field treatment, in its entirety.

14. Establish a new IRC Section R403.1.1.1. Footing reinforcement, as follows: "Footings for basement foundation walls shall have a minimum reinforcement consisting of not less than two (2) No. 4 bars, uniformly spaced, located a minimum of three (3) inches [seventy-six (76) mm] from the bottom and edges of the footing."

15. Establish a new IRC Section R403.1.1.2, Column pads, as follows: "Column pads shall be a minimum of twenty-four (24) inches [six hundred ten (610) mm] by twenty-four (24) inches [six hundred ten (610) mm] and eight (8) inches [two hundred three (203) mm] deep twenty-four (24) inches by twenty-four (24) inches by eight (8) inches. Reinforcement shall consist of a minimum of three (3) No. 4 bars each way, uniformly spaced within each column pad."

16. Establish new Section R404.1.2.2.3, "Reinforcement": All foundation walls of concrete or masonry construction shall have a minimum vertical reinforcement of one (1) No. 4 rebar forty-eight (48) inches on center spacing.

17. (Reserved)[1]

[1] Editor's Note: Former Subsection (A)(17), regarding amendments to IRC code, was repealed 2-5-2018 by Ord. No. 3429.

18. (Reserved)[2]

[2] Editor's Note: Former Subsection (A)(18), regarding amendments to IRC code, was repealed 2-5-2018 by Ord. No. 3429.

19. (Reserved)[3]

[3] Editor's Note: Former Subsection (A)(19), regarding amendments to IRC code, was repealed 2-5-2018 by Ord. No. 3429.

20. (Reserved)[4]

[4] Editor's Note: Former Subsection (A)(20), regarding amendments to IRC code, was repealed 8-3-2020 by Ord. No. 3503.

21. Amend IRC Section R801.3, Roof drainage, as follows: "All dwellings shall have a controlled method of water disposal from roofs that will collect and discharge all roof drainage to the ground surface at least three (3) feet [nine hundred fifteen (915) mm] from the foundation walls or to an approved drainage system."

22. Amend IRC Section N1102.1, Compliance, as follows:

Residential energy efficiency compliance shall be demonstrated by meeting the following requirements of Table N1102.1 for Climate Zone 4. Exception: Portions of the building thermal envelope that do not enclose conditioned space.
(a)	Wall assemblies forming portions of a building envelope shall meet or exceed an R factor rating of 13. This requirement does not apply to doors, windows, or other openings or approved penetrations nor does it apply to basement concrete walls when the basement is not finished as a habitable space.
(b)	Floor assemblies forming portions of a building envelope shall meet or exceed an R factor rating of 19. Garage ceilings with living area above shall comply with this requirement. Exception: Concrete floors in contact with the earth need not be insulated.
(c)	Roof assemblies forming portions of a building envelope shall meet or exceed an R factor rating of 30. This requirement does not apply to skylights or other approved penetrations.
(d)	Ceilings forming portions of a building envelope shall meet or exceed an R factor rating of 30 at the time of installation.

23. IRC Section N1102.4. Air leakage. The building thermal envelope must be durably sealed to limit infiltration and the following items must be caulked, gasketed, weather-stripped or otherwise sealed with an air barrier material, suitable film or solid material:

a. All joints, seams and penetrations.

b. Site-built windows, doors and skylights.

c. Openings between window and door assemblies and their respective jambs and framing.

d. Utility penetrations.

e. Dropped ceilings or chases adjacent to the thermal envelope.

f. Knee walls.

g. Walls and ceilings separating the garage from conditioned spaces.

h. Behind the tub and showers on exterior walls.

i. Common walls between dwelling units.

j. Other sources of infiltration.

24. Delete IRC Section N1103.3, Ducts, in its entirety and amend as follows: "All portions of the air distribution system shall be installed in accordance with IRC Section M1601. Supply and return ducts located within the building but outside of conditioned space must be insulated to an installed R-5, and insulated to an installed R-8 when located outside of the building."

25. In IRC Section G2414.1 (403.1), Piping materials, insert a second paragraph to read as follows: "The use of copper tubing and fittings for gas-fired appliances shall not be permitted."

26. Amend IRC Section P2603.5, Freezing, as follows: "Water, soil or waste pipe shall not be installed outside a building, in exterior walls, in attics or crawl spaces, or in any other place subjected to freezing temperatures unless adequate provision is made to protect it from freezing by insulation or heat, or both. Water service pipe shall be installed not less than forty-two (42) inches [one thousand sixty-eight (1,068) mm] in depth below grade."

27. Amend IRC Section P2603.5.1, Sewer depth, as follows: "Building sewers shall be a minimum of twelve (12) inches [three hundred five (305) mm] below grade."

28. Amend IRC Section P2902.5.3, Lawn irrigation systems, as follows: "The potable water supply to lawn irrigation systems shall be protected against backflow by a device approved by the Missouri Department of Natural Resources. Backflow devices installed within structures shall be a minimum of six (6) inches [one hundred fifty-two (152) mm] away from a wall or vertical obstruction. The backflow device shall be installed between twelve (12) inches [three hundred five (305) mm] and forty-eight (48) inches [one thousand two hundred twenty (1,220) mm] above the floor and shall be accessible."

29. Amend Section E3608.4 Exception: Where a single rod, pipe, or plate grounding electrode has a resistance to earth of twenty-five (25) ohms or less, or if it is a temporary service installation on a pole, the supplemental grounding electrode shall not be required.

Section 500.090 Certain Utilities Not Supplied Prior To Successful Inspections.

[Ord. No. 3236 §1, 8-5-2013]

No water service or electrical service shall be supplied to any building prior to successful completion of all building, electrical, plumbing and mechanical inspections.

Section 500.100 General Penalty; Continuing Violations.

[Ord. No. 3236 §1, 8-5-2013]

A. Whenever in the Code adopted in this Article or in any ordinance of the City amending said Code any act is prohibited or is made or declared to be unlawful or an offense, or whenever in this Code or ordinance the doing of any act is required or the failure to do any act is declared to be unlawful, where no specific penalty is provided therefor, the violation of any such provision of this Code or ordinance shall be punished by a fine as established in the City's Comprehensive Schedule of Fees[1] or by imprisonment not exceeding ninety (90) days, or by both such fine and imprisonment; provided, however, that in any case wherein the penalty for an offense is fixed by any State law or statute, the same penalty so fixed by State law or statute shall be imposed for the punishment of such offense and no other, except that imprisonments, when made under this Section, may be in the City Jail instead of the County Jail.

[Ord. No. 3650, 5-1-2023]

[1] Editor's Note: The Comprehensive Schedule of Fees is on file in the City offices.

B. Each day any violation of any provision of this Code or of any such ordinance shall continue shall constitute a separate offense.

C. In addition to the penalty set out in Subsection (A), any condition caused or permitted to exist in violation of any of the provisions of this Code or any such ordinance shall be deemed a public nuisance and may be, by the City, abated as provided by law, and each day that such condition continues shall be regarded as a new and separate offense.