City of Mount Vernon, MO Building Codes and Regulations

Adoption. A certain standard code known as the "International Building Code," 2012 Edition, as published by the International Code Council, is hereby incorporated by reference and adopted as the Code of the City of Mount Vernon, Missouri, for regulating the design, construction, quality of materials, erection, installation, alteration, repair, location, relocation, replacement, addition to, use or maintenance of property, buildings and structures in the City of Mount Vernon, Missouri. It shall be unlawful for any person, firm or corporation to construct or cause to be constructed or permit to remain constructed any such building which violates any provisions of this Section.

Marked Copy Of Standard Code Filed. There shall be one (1) copy of the standard as adopted by this Section kept in the office of the City Clerk and said copy shall be marked "Official Copy of the City of Mount Vernon Building Code."

Liability. This Section shall not be construed to relieve from responsibility or to lessen the responsibility of any person, firm or corporation owning, controlling or constructing buildings, nor shall the City of Mount Vernon, Missouri, be held as assuming any liability of any nature by reasons of the inspection authority hereby issued to the Code Enforcement Officer for inspection of buildings.

Penalty. Any person, firm or corporation violating any of the provisions of this Section shall be deemed guilty of an ordinance violation and, upon conviction thereof, be fined in an amount not to exceed five hundred dollars ($500.00).

Section 500.020 International Residential Code For One- And Two-Family Dwellings.

[R.O. 2004 § 500.020; Ord. No. 2.59 §§ 1 — 4, 5-8-2001; Ord. No. 2.120 § 1, 3-27-2007; Ord. No. 2.199, 9-8-2020]

Adoption. A certain standard code known as the "International Residential Code for One- and Two-Family Dwellings," 2012 Edition, as published by the International Code Council, is hereby incorporated by reference and adopted as the Code of the City of Mount Vernon, Missouri, for regulating the design, construction, quality of materials, erection, installation, alteration, repair, location, relocation, replacement, addition to, use or maintenance of property, buildings and structures for one- and two-family dwellings in the City of Mount Vernon, Missouri. It shall be unlawful for any person, firm or corporation to construct or cause to be constructed or permit to remain constructed any such building which violates any provisions of this Section.

A builder of one- or two-family dwellings or townhouses shall offer to any purchaser on or before the time of entering into a purchase contract the option, at the purchaser's cost, to install or equip fire sprinklers in the dwelling or townhouse. Notwithstanding any other provision of law to the contrary, no purchaser of such a one- or two-family dwelling or townhouse shall be denied the right to choose or decline to install a fire sprinkler system in such dwelling or townhouse being purchased.

The following portions of the 2012 Edition are not adopted:

Section R302.2, Townhouses, in that a common two-hour fire-resistance rated wall assembly tested in accordance with ASTM E 119 or UL 263 is permitted for townhouses if such wall does not contain plumbing or mechanical equipment, ducts or vents in the cavity of the common wall. The wall shall be rated for exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Electrical installations shall be installed in accordance with Chapter 34 through 43. Penetrations of electrical outlet boxes shall be in accordance with Section 302.4.

Section R310.1, but emergency escape and rescue opening provisions are required for sleeping rooms created in existing basements undergoing interior finish renovation.

Section R313, and requirement of automatic sprinklers is amended by the requirements of Section 67.281, RSMo., so that builders may offer such sprinklers as an option.

Section R501.3, regarding fire protection of floors.

Section 500.030 National Electrical Code.

[R.O. 2004 § 500.030; Ord. No. 2.60 §§ 1 — 4, 5-8-2001; Ord. No. 2.121 § 1, 3-27-2007; Ord. No. 2.199, 9-8-2020]

Adoption. A certain standard code known as the "National Electrical Code," 2011 Edition, also known as "NFPA 70" as published by the National Fire Protection Association, is hereby incorporated by reference and adopted as the Code of the City of Mount Vernon, Missouri, for regulating the design, construction, quality of materials, erection, installation, alteration, repair, location, relocation, replacement, addition to, use or maintenance of electrical systems in the City of Mount Vernon, Missouri. It shall be unlawful for any person, firm or corporation to construct or cause to be constructed or permit to remain constructed any such building which violates any provisions of this Section.

The following portions of the 2011 Edition are not adopted:

Section 210.12(A), but all 120 volt, 15 ampere and 20 ampere branch circuits with outlets in dwelling units (bedrooms) shall be protected by a listed arc-fault circuit interrupter, combination type, installed to provide protection of the branch circuit.

Sections N110.11 through N1101.8.

The following portions of the 2011 Edition are amended:

Table N1102.1, climate zone 4, to require wood frame R-value of 13.

Table N1102.3, climate zone 4, to require wood frame wall U-factor of 0.082.

Section N1102.2.9 regarding slab on grade floors so that insulation is not required at the interface between the foundation wall and slab.

Section E3902.2 for garage and accessory building receptacles to allow exceptions for receptacles that are permanently marked as providing no GFCI protection for dedicated receptacles supplying only a garage door opener or supplying only a refrigerator or freezer.

Section E3902.5 for unfinished basement receptacles that are permanently marked as providing no GFCI protection for dedicated receptacles supply only a permanently installed fire alarm or burglar alarm system, a sump pump, or a refrigerator of freezer.

Section 500.040 International Mechanical Code.

[R.O. 2004 § 500.040; Ord. No. 2.87 §§ 1 — 4, 7-8-2003; Ord. No. 2.122 § 1, 3-27-2007; Ord. No. 2.199, 9-8-2020]

Adoption. A certain standard code known as the "International Mechanical Code," 2012 Edition, as published by the International Code Council, is hereby incorporated by reference and adopted as the Code of the City of Mount Vernon, Missouri, for regulating the design, construction, quality of materials, erection, installation, alteration, repair, location, relocation, replacement, addition to, use or maintenance of mechanical systems in the City of Mount Vernon, Missouri. It shall be unlawful for any person, firm or corporation to construct or cause to be constructed or any such building which violates any provisions of this Section.

Section 500.050 International Plumbing Code.

[R.O. 2004 § 500.050; Ord. No. 2.86 §§ 1 — 4, 5-8-2001; Ord. No. 2.123 § 1, 3-27-2007; Ord. No. 2.199, 9-8-2020]

Adoption. A certain standard code known as the "International Plumbing Code," 2012 Edition, as published by the International Code Council, is hereby incorporated by reference and adopted as the Code of the City of Mount Vernon, Missouri, for regulating the design, construction, quality of materials, erection, installation, alteration, repair, location, relocation, replacement, addition to, use or maintenance of plumbing systems in the City of Mount Vernon, Missouri. It shall be unlawful for any person, firm or corporation to construct or cause to be constructed any such building which violates any provisions of this Section.

Section 500.060 International Fuel Gas Code.

[R.O. 2004 § 500.060; Ord. No. 2.67 §§ 1 — 4, 3-12-2002; Ord. No. 2.87 §§ 1 — 4, 7-8-2003; Ord. No. 2.124 § 1, 3-27-2007; Ord. No. 2.199, 9-8-2020]

Adoption. A certain document, being marked and designated as the "International Fuel Gas Code," 2012 Edition, as published by the International Code Council, Inc., be and is hereby adopted as the fuel gas code for the City of Mount Vernon, Missouri, for the control of building and structures and their fuel gas systems and gas-fired appliances as herein provided; and each and all of the regulations, provisions, penalties, condition and terms of said fuel gas code are hereby referred to, adopted and made a part hereof as if fully set out in this Section.

Liability. This Section shall not be construed to relieve from responsibility or to lessen the responsibility of any person, firm or corporation maintaining, constructing, altering, demolishing or in anyway affecting the fuel gas systems and gas-fired appliances as included in the International fuel gas code described in Subsection (A) of this Section, nor shall the City of Mount Vernon, Missouri, be held as assuming any liability of any nature by reasons of the inspection authority hereby issued to the Code Enforcement Officer for inspection of such buildings and structures along with their fuel gas systems and gas-fired appliances as described on Subsection (A) of this Section.

Section 500.070 International Property Maintenance Code.

[R.O. 2004 § 500.070; Ord. No. 2.68 §§ 1 — 4, 4-9-2002; Ord. No. 2.125 § 1, 3-27-2007; Ord. No. 2.199, 9-8-2020]

Adoption. A certain standard code known as the "International Property Maintenance Code," 2012 Edition, as published by the International Code Council, is hereby incorporated by reference and adopted as the property maintenance code for the City of Mount Vernon, Missouri. The provisions of this Code shall apply to all existing residential and non-residential structures and all existing premises and constitute minimum requirements for premises, structures, equipment and facilities for light, ventilation, space, heating, sanitation, protection from the elements, life safety, safety from fire and other hazards and for safe and sanitary maintenance; the responsibility of owners, operators and occupants; the occupancy of existing structures and premises and for administration, enforcement and penalties. This code shall be construed to ensure the public health, safety and welfare as they are affected by the continued occupancy and maintenance of structures and premises.

Liability. This Section shall not be construed to relieve from responsibility or to lessen the responsibility of any person, firm or corporation occupying or maintaining structures or premises as described in Subsection (A) of this Section, nor shall the City of Mount Vernon, Missouri, be held as assuming any liability of any nature by reasons of the inspection authority hereby issued to the Code Enforcement Officer for inspection of such structures and premises.

Article II Miscellaneous Building Regulations

Section 500.080 Moving Of Buildings.

[R.O. 2004 § 500.080; Ord. No. 12.03 § 1, 9-3-1940]

No person, company or corporation shall move a building across or upon the public streets and alleys within the corporate limits of the City of Mount Vernon, Missouri, without first obtaining a written permit from the City.

Section 500.090 Construction, Installation Or Replacement Of Mailboxes Or Newspaper Delivery Boxes.

[R.O. 2004 § 500.090; Ord. No. 10.42 §§ 1 — 3, 1-28-2003]

It shall be unlawful for any person, firm or corporation to construct, install or replace mailboxes or newspaper delivery boxes made of brick or other non-breakaway material on the right-of-way of arterial streets and on the right-of-way of collector streets within the corporate limits of the City of Mount Vernon, Missouri.

"Non-breakaway material" is defined as being material constructed, installed or replaced in such fashion so that the minimum strength supports exceeds the maximum strength standards more specifically shown on Exhibit A to this Section which is on file in the City offices and made a part hereof as though fully set forth herein.

Any person, firm or corporation who shall violate any of the provisions of this Section shall be deemed guilty of an ordinance violation and, upon conviction, shall be fined a sum not exceeding five hundred dollars ($500.00) or imprisoned for a term not exceeding ninety (90) days, or by both such fine and imprisonment.

Section 500.100 Thirty-Day Notification Period For Correction Of Violation.

[R.O. 2004 § 500.100; Ord. No. 2.127 § 1, 4-24-2007]

Any person, firm or corporation found violating any of the adopted technical codes of this Chapter shall be given written notice to correct, abate or remove such violation within thirty (30) days of receipt of the notice. Should the violation be deemed an immediate hazard to the public, the Code Enforcement Officer shall be authorized to order immediate repairs or other measures to abate the violation.

Section 500.110 Crawl Space Drainage Requirements.

[R.O. 2004 § 500.110; Ord. No. 2.128 § 1, 4-24-2007]

All newly constructed, occupied buildings having an under-floor area or crawl space that does not qualify as a basement shall be provided with grading of that area so as not to retain water. Grading shall be such that any ground water or stormwater infiltration into this area will be conducted into a sump location for discharge to the outside of the building by either gravity or mechanical means. Once the grading of the under-floor area has been completed, it shall be covered with a minimum of a six (6) mil plastic vapor barrier and covered completely by at least two (2) inches of clean gravel and installed securely against the perimeter footing or stem-wall and isolated pier footings. Discharge of ground water shall be such as not to create a nuisance to adjoining properties but in no case shall it be discharged less than five (5) feet from a property line or City right-of-way.