N.J. Admin. Code § 19:4-7.7
Current through Register Vol. 56, No. 24, December 18, 2024
Section 19:4-7.7 - Performance standards; glare(a) The following words and terms, when used in this section, shall have the following meanings, unless the context clearly indicates otherwise: "Candle" means the luminous intensity of one standard candle.
"Foot-candle" means the unit of illumination on a surface one square foot in area on which there is a uniform distribution of light having a candlepower of one candela.
"Footlambert" means a unit of brightness equal to the brightness of a uniform diffusing surface that emits or reflects one lumen per square foot.
"Glare" means a sensation of brightness within the visual field that causes annoyance, discomfort, or loss in visual performance and visibility.
"Illumination" means the density of luminous energy falling upon a surface, usually measured in foot-candles.
"Photometer" means an instrument for measuring the intensity of light.
"Watt" means a unit of electrical power.
(b) Glare shall be measured in accordance with the standards and procedures set forth in the Illuminating Engineering Society of North America (IESNA) Lighting Handbook, 9th edition, incorporated herein by reference, as amended and supplemented. Outdoor lighting design shall be in accordance with the recommended practice, RP-33-99, published by the IESNA, incorporated herein by reference, as amended and supplemented. Both publications can be obtained from IESNA, 120 Wall Street, Floor 17, New York, NY 10005-4001.(c) Uses subject to Category A, B, and C performance standards shall not produce glare so as to cause illumination in a residential area or zone, Environmental Conservation zone, or Park and Recreation zone, in excess of 1.0 foot-candles. Sources of illumination shall be controlled so as not to be a nuisance in these areas.(d) Uses subject to Category A, B, and C performance standards shall limit the use of light sources and illuminated surfaces within 500 feet of, and visible in, a residential area, Environmental Conservation zone, or Park and Recreation zone to comply with the light intensities indicated in Table 7-4 below. | TABLE 7-4 |
|
| Maximum Intensity of Light Sources |
|
| Source | Category A | Category B and C |
| Bare incandescent bulbs | 15 watts | 40 watts |
| Illuminated buildings | 15 foot-candles | 30 foot-candles |
| Back lighted or luminous background | 150 footlamberts | 250 footlamberts |
| signs | | |
| Outdoor illuminated signs and poster | 25 foot-candles | 50 foot-candles |
| panels | | |
| Any other unshielded sources, | 50 candles per | 50 foot-candles per |
| intrinsic brightness | square centimeter | square centimeter |
N.J. Admin. Code § 19:4-7.7