For purposes of this chapter, the following terms shall have the meanings indicated:
The sensation produced by luminance within the visual field that is sufficiently greater than the luminance to which the eyes are adapted to cause annoyance, discomfort or loss in visual performance and visibility.
Illuminating Engineering Society of North America. An organization that recommends standards for the lighting industry.
Any form of artificial illuminance emanating from a light fixture or illuminated sign that penetrates other property and creates a nuisance, as specified in § 250-4, Light trespass; nuisance light, of this chapter.
Glare resulting from excessive levels of illumination or insufficiently shielded light sources emanating from light fixtures in the field of view where the lens, lamp or reflector is offensively visible above a height of five feet at a property line or a public roadway.
An electrically powered illuminating device containing a total light source of more than 1800 initial lumens per fixture or any spot or flood luminaire with a reflector contained in the lamp component, such as a parabolic aluminized reflector (PAR) lamp, of more than 900 initial lumens, which is permanently installed outdoors, including but not limited to devices used to illuminate any site, architectural structure, or sign.
A light fixture with cutoff optics that allows no direct light emissions above a vertical cutoff angle of 90º above nadir (straight down at perfect vertical) through the light fixture's lowest light-emitting part. Any structural part of the light fixture providing this cutoff angle must be permanently affixed.
The Construction Official and/or Property Maintenance Official, who shall be empowered to enforce all aspects of this chapter including those involving glare nuisance.