Ofallon City Zoning Code
ARTICLE XIII
Performance Standards
Section 400.515 General Provisions.
[Ord. No. 7042, 8-24-2023]
No parcel, lot, building, or structure in any district shall be used or occupied in any manner so as to create any dangerous, injurious, noxious, or otherwise objectionable element or condition so as to adversely affect the surrounding area or adjoining premises, provided that any use permitted by this Chapter may be undertaken and maintained if acceptable measures and safeguards are employed to limit dangerous and objectionable elements to acceptable limits as established by the following performance requirements.
Section 400.520 Fire Hazard.
[Ord. No. 7042, 8-24-2023]
Any activity involving the use or storage of flammable or explosive materials shall be protected by adequate fire-fighting and fire suppression equipment and by such safety devices as are normally used in the handling of any such material. Such hazards shall be kept removed from adjacent activities to a distance which is compatible with the potential danger involved.
Section 400.523 Metal Siding.
[Ord. No. 7042, 8-24-2023; Ord. No. 7204, 4-24-2025]
A.
The use of metal siding, including, but not limited to, aluminum and steel, in the construction of the exterior of any building or structure in the City of O'Fallon, Missouri, is hereby prohibited except as set forth as follows:
1.
In areas zoned "I-2," no more than seventy-five percent (75%) of the surface area of the front elevation (the elevation facing a public street or road) may consist of metal siding. The remaining area must be of an alternate material, including, but not limited to, brick, split faced block, exterior finish insulation system (EFIS), stucco, stone as approved by the Planning and Zoning Commission. All other elevations may, but are not required to be, of entirely metal siding. Notwithstanding the foregoing, in all areas zoned "I-2":
a.
Located along Interstate 70; or
b.
Adjacent to any area zoned "R-1," "R-1A," "R-2," "R-3" or "R-4," no more than twenty-five percent (25%) of the surface area of the front elevation (the elevation facing a public or private street or road) may consist of metal siding. The remaining area must be of an alternate material, including, but not limited to, brick, split faced block, exterior finish insulation system (EFIS), stucco, stone as approved by the Planning and Zoning Commission. Metal siding may have exposed fasteners.
2.
In areas zoned "I-1," no more than twenty-five percent (25%) of the surface area of the front elevation (the elevation facing a public street or road) may consist of metal siding. The remaining area must be of an alternate material, including, but not limited to, brick, split faced block, exterior finish insulation system (EFIS), stucco, stone as approved by the Planning and Zoning Commission. Metal siding used in areas zoned "I-1" may not have exposed fasteners. Notwithstanding the foregoing, in platted industrial parks in existence as of October 24, 2002, metal siding may be used consistent with the construction of existing buildings or structures in the industrial park, provided that the requirements of Subsection (A)(1) hereof shall be the minimum requirements.
3.
In areas zoned "C-O," "C-1," "C-2," "C-3," "HTCD" or "MUTDD," metal siding may not be used in the construction of the exterior of any building or structure. Notwithstanding the foregoing, trim and acceptable materials may include metal, provided that not more than fifteen percent (15%) of the surface area of any elevation is constructed of such material.
4.
In areas zoned "R-1," "R-1A," "R-2," "R-3," "R-4," "R-5," or "P-R," metal siding may not be used in the construction of the exterior of any building or structure.
5.
In areas zoned "AG," metal siding may be used in the construction of the exterior of any building or structure.
6.
In areas zoned "C-O," "C-1," "C-2," "C-3," "HTCD," "MUTDD," "I-1" or "I-2," aluminum composite material (ACM) panels may be used as accent features, provided that not more than thirty percent (30%) of the surface area of any elevation is constructed of such material.
B.
As used herein, the term "metal siding" does not include standing seam metal roofs, metal windows, metal soffit or facia or metal gutters and downspouts.
C.
The provisions of this Section shall not apply to the following:
1.
Any building or structure for which site plan approval has been granted or for which a building permit has been issued as of the date of passage of this Section;
2.
Any building or structure otherwise exempt from these requirements pursuant to existing law; or
3.
Any accessory structures to a single- or two-family residence.
Section 400.525 Radioactivity, Electrical Or Radio-Electrical Disturbance.
[Ord. No. 7042, 8-24-2023]
No activity shall emit dangerous radioactivity at any point, or unreasonable electrical or radio-electrical disturbance adversely affecting the operation at any point of any equipment other than that of the creator of such disturbance.
Section 400.530 Vibration.
[Ord. No. 7042, 8-24-2023]
No vibration shall be permitted which is discernible without instruments on any adjoining lot or property.
Section 400.535 Smoke.
[Ord. No. 7042, 8-24-2023]
Smoke shall not be emitted with a density greater than on the Ringelmann Chart as issued by the U.S. Bureau of Mines except for blow-off periods of ten (10) minutes duration of one (1) per hour when a density of not more than No. 2 is permitted.
Section 400.540 Odor.
[Ord. No. 7042, 8-24-2023]
No malodorous gas or matter shall be permitted which is offensive so as to produce a public nuisance or hazard on any adjoining lot or property.
Section 400.545 Air Pollution.
[Ord. No. 7042, 8-24-2023]
No pollution of air by fly-ash, dust, vapors, or other substances shall be permitted which is harmful to health, animals, vegetation, or other property, or which causes soiling of exposed property.
Section 400.550 Glare.
[Ord. No. 7042, 8-24-2023]
No direct or reflected glare shall be permitted which is visible from any property or from any public street, road, or highway.
Section 400.555 Noise.
[Ord. No. 7042, 8-24-2023]
Noise which is objectionable due to volume, frequency, or beat shall be muffled or otherwise controlled so that there is no production of sound discernible at lot lines in excess of the average intensity of street and traffic noise at the lot lines. Air raid sirens and related apparatus used solely for public purposes are exempt from this requirement. The L-10 noise level [that level which is exceeded ten percent (10%) of the time] shall not exceed the following measurements at any point past the property line of the lot on which the noise is generated:
Octave Band [CPS (cycles per second] | Decibels (dB) |
|---|---|
0 to 75 | 55 |
75 to 1,200 | 40 |
1,200 to 4,800 | 25 |
4,800 and above | 22 |
Section 400.560 Water Pollution.
[Ord. No. 7042, 8-24-2023]
Pollution of streams and other bodies of water shall be subject to such requirements and regulations established by the State of Missouri, Department of Natural Resources (Water Quality Standard - 10 CSR 20 - 7.031) and the City of O'Fallon.
Section 400.563 Enforcement.
[Ord. No. 7042, 8-24-2023]
It shall be the responsibility of the Planning and Zoning Commission to review the site plans for a development to assure all performance standards will be addressed. If questions should arise about the compliance with the standard, they will be forwarded to the City Council for its review.