For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
APPROVED OUTDOOR LIGHTING FIXTURE. Lighting fixtures or luminaries approved by the Mayor as conforming to this chapter.
CLASS I LIGHTING. All outdoor lighting used for outdoor retail or restaurant activities, automotive dealers (display areas only), assembly or repair areas, outdoor advertising displays and other signs, recreational facilities and similar applications.
CLASS II LIGHTING. All outdoor lighting used for illumination for walkways, equipment yards, and outdoor security.
CLASS III LIGHTING. All outdoor lighting used for decorative effects. Examples of Class III lighting include illumination of landscaping, flags, fountains, statues, and building facades.
CLASS IV LIGHTING. Lighting for off-street parking lots.
DIRECT GLARE. Glare resulting from the arc tube being visible in the field of view.
FOOTCANDLE. The unit of illuminance on a surface one square foot in area on which there is a uniformly distributed flux of one lumen, or the illuminance produced on a surface all points of which are at a distance of one foot from a directionally uniform point source of one candela.
FULL CUTOFF. Outdoor light fixtures shielded or constructed so the light rays emitted by the fixture are projected below a horizontal plane passing through the lowest point on the fixture from which light is emitted. Such fixtures must have a flat lens; drop or sag lens type fixtures shall not be allowed. (See attached illustration.)
GRADE. The average of the native ground level or the finished ground level measured at the center of all walls of the building or the adjoining parking area, whichever is closer. The height of beams and the mounding of dirt on which a light pole is placed shall be counted in the overall height of the pole.
LIGHT POLLUTION. Any artificial light that is emitted into the atmosphere either directly or indirectly by reflection that impacts enjoyment of the night sky.
LIGHT TRESPASS. Any artificial light that causes unwanted light on adjacent properties.
LUMINARIES. A complete lighting unit consisting of a lamp or lamps, together with the parts designed to distribute the light, to position and protect the lamps and to connect the lamps to the power supply. For the purposes of this chapter, luminaries shall not mean holiday decorations in which lights may be enclosed in paper bags or other similar containers.
OUTDOOR LIGHT FIXTURE. An outdoor artificial illuminating device, installed or portable, used for buildings and structures, recreational facilities, parking lots, landscape lighting, outdoor advertising displays and other signs for advertising or other uses, street lighting, walkway lighting, product display area lighting and building overhead and open canopies.
PARKING AREA. An area, other than a street that is designed primarily for parking of vehicles.
RECREATIONAL FACILITIES. Parks, public, municipal or private facilities and other customary and usual recreational activities. Outdoor recreational facilities include, but are not limited to: fields for softball, baseball, football, soccer, golf courses, driving ranges and other "Field Sports," and courts for terms, basketball, and other "Court Sports".
UNIFORMITY RATIO describes the average level of illumination in relation to the lowest level of illumination for a given area. Example: A 4:1 ratio for the given area should be no less than four times less than the average level of illumination.
(Ord. 399-1999, passed 7-19-99)