[R.O. 1997 § 217.020; Ord. No. 1465 § 1, 1-14-2008]
For purposes of this Chapter, the following words and phrases are herein defined:
A-WEIGHTED SOUND PRESSURE LEVELA weighted sound pressure level as measured with the A-weighting network of a sound level meter. The unit of measurement is dB(A).
AGRICULTURAL OPERATIONAny farm used in the production or processing for commercial or similar purposes of agricultural products.
[Ord. No. 2264, 5-22-2017]
AGRICULTURAL PRODUCTSProducts which are propagated, grown and/or harvested in the City, including, but not limited to, crops, bees, honey, fish or other aquacultural product, livestock, a livestock product, a forestry product, and poultry or a poultry product, either in its natural or processed state.
[Ord. No. 2264, 5-22-2017]
AMBIENT NOISE LEVELThe A-weighted sound pressure level of all the encompassing noise associated with a given environment, being usually a composite of sounds from many sources.
ANSIThe American National Standards Institute or its successor bodies.
AQUACULTUREThe controlled propagation, growth and harvest of fish, shellfish or other aquatic organisms for commercial purposes.
[Ord. No. 2264, 5-22-2017]
BOARDThe Appeal Board established by St. Louis County Code Section 612.070, 1974, as amended.
BOUNDARYThe line of demarcation which separates the real property owned by one person from that owned by another person.
COMMERCIAL LAND USE CATEGORYAny activity, which exists on or is applied to land or structures on the land, wherein goods, services or commodities are provided, exchanged or purchased and sold at wholesale or retail. The commercial land use category shall include facilities for the repair or servicing of new and used automobiles, trucks, trailers, construction equipment, agricultural equipment and boats and public or private utility facilities that are collectively located within all "C" Commercial Districts of the City of Wildwood Zoning Ordinance (Chapter
415 of the City Code).
CONSTRUCTION ACTIVITYAny or all activity necessary or incidental to the erection, demolition, assembling, repairing, altering, installing or equipping of public or private buildings, private or public parks, premises, utility lines and private or public highways, roads or streets, including land clearing, grading, excavating and filling.
CONSTRUCTION DEVICEAny device used in construction, including, but not limited to, any air compressor, pile driver, manual tool, bulldozer, pneumatic hammer, steam shovel, derrick, crane, steam or electric hoist.
CONTINUOUS SOUNDA sound emitted by one (1) or more pieces of machinery or equipment for more than sixty (60) consecutive minutes, unless such machinery or equipment is used during planting or harvesting crops.
[Ord. No. 2264, 5-22-2017]
DEVICEAny equipment or mechanism that is intended to produce or which actually produces sound when installed, used or operated.
DIRECTORThe Director of the Department of Community Health and Medical Care, his/her duly authorized agents and the Director of Planning and Parks of the City of Wildwood, Missouri, and his/her duly authorized agents, including officers of the St. Louis County Police Department.
DISCRETE TONEA noise measured on a one-third (1/3) octave band analyzer, which is ten (10) decibels greater than each of the adjacent one-third (1/3) octave bands.
EMERGENCY SIGNAL DEVICEAny gong, siren, whistle or any air horn or similar device, when used on any vehicle designated as an emergency vehicle by ordinance or by Missouri Statute or used in connection with an emergency warning system or used in connection with a warning system intended to produce a sound signal upon unauthorized entrance by a person into a building or motor vehicle.
EMERGENCY WORKWork necessary to restore property to a safe condition following a public calamity or work required to protect person or property from an imminent exposure to danger.
FARMA parcel of land used for growing or raising agricultural products, including related structures thereon.
[Ord. No. 2264, 5-22-2017]
HEAVY INDUSTRIAL LAND USE CATEGORYAny activity, which exists on or is applied to land or structures on the land, which pertains to the mining or extraction of raw materials from the earth and the processing thereof, salvage yards, junk yards, steel mills, foundries, smelters, automobile, truck construction equipment or agricultural equipment assembly plants, sulfur plants, rubber reclamation plants, cement plants, sanitary landfills, railroad switching yards, metal fabrication plants and chemical processing plants that are collectively located within all "M" Industrial Districts of the City of Wildwood Zoning Ordinance (Chapter
415 of the City Code).
IMPULSIVE NOISEA noise containing excursions usually of no more than one (1) second, the A-weighted sound pressure level of which exceeds the ambient noise level by more than twenty (20) dB(A), when measured by the fast meter characteristic of a sound level meter.
LIGHT INDUSTRIAL LAND USE CATEGORYAny activity, which exists on or is applied to land or structures on the land, wherein the activities of manufacturing, fabrication, processing or assembly are utilized to produce a semi-finished or finished product. The light industrial land use category shall include the warehousing, storing and distributing of semi-finished or finished products that are collectively located within all "M" Industrial Districts of the City of Wildwood Zoning Ordinance (Chapter
415 of the City Code).
MOTOR VEHICLEAny self-propelled vehicle not operated exclusively on rails.
NOISE DISTURBANCEAny sound that is or may be harmful or injurious to the health, safety or welfare of any individual; or of such a volume, frequency and/or intensity that it unreasonably interferes with the enjoyment of life, quiet, comfort or outdoor recreation of an individual of ordinary sensitivity and habits; or endangers or injures real or personal property or the conduct of business.
PERCEPTION THRESHOLDThe minimum vibrational motion necessary to cause awareness of the existence of the vibration by direct means, including, but not limited to, sensation by touch or visual observations. Any vibration which produces more than five-tenths (0.5) inch/second root mean square vertical velocity shall be deemed sufficient to cause the awareness of the existence of the vibration by direct means.
PERIOD OF MEASUREMENTAny continuous sixty (60) minute period during which observations of stationary noise sources are made and measurements of noise levels are taken.
PERSONAny human being, firm, association organization, partnership, business, trust, corporation, company, contractor, supplier, installer, user, owner or operator and shall include any municipal corporation or its officers or employees.
RESIDENTIAL LAND USE CATEGORYAny activity, which exists on or is applied to land or structures on the land, wherein persons occupy single-family or multiple-family dwellings or other structures containing units with facilities which are used or are intended to be used for living or sleeping and which may include facilities for cooking and eating. The residential land use category shall include schools, churches, hospitals, libraries, public or private parks and other similar land uses that are collectively located within the "NU" Non-Urban Residence District and all "R" Residential Districts of the City of Wildwood Zoning Ordinance (Chapter
415 of the City Code).
SOUNDAn audible oscillation of pressure in air.
SOUND LEVEL METERAny instrument including a microphone, an amplifier, an output meter and frequency weighting networks for the measurement of sound pressure levels in a specified manner which complies with Type 2 or better standards established in the ANSI S1.4-1971 "Specification for Sound Level Meters."
SOUND PRESSURE LEVELTwenty (20) times the logarithm to the base ten (10) of the ratio of the root mean square pressure of a sound to the standard reference pressure which is twenty (20) micropascals. The unit of measurement is the decibel (dB).
SOUND PRODUCING DEVICEAny equipment or machine for the production, reproduction or amplification of speech, music or other sound, including, but not limited to, radios, televisions, phonographs, tape players, musical instruments, compact disc or tape cassette players, walkie-talkies, CD radios or synthesizers.
STATIONARY NOISE SOURCEAny equipment, motor vehicle, aircraft or facility, fixed or movable, capable of emitting audible sound.
VEHICULAR WAYA paved or unpaved area used by motor vehicles including, but not limited to, roads, streets, highways, alleys, access ways (both public or private) and parking lots.
VIBRATIONA spatial oscillation of displacement, velocity or acceleration in a solid material.