Dobbins JLUS IMP Public Draft Light Pollution Study | Page 278

MODEL LIGHTING ORDINANCE - USER’S GUIDE
MODEL LIGHTING ORDINANCE - TEXT
X. DEFINITIONS - Ordinance Text
Hardscape
Perimeter
IDA
IESNA
Impervious
Material
Industry Standard
Lighting Software
Lamp
Landscape Lighting
LED
Light
Pollution
USER’S GUIDE - Page 36
Page B-36
The perimeter measured in linear feet is
used to calculate the Total Site Lumen Limit
in the Performance Method. Refer to
Hardscape definition.
International Dark-Sky Association.
Illuminating Engineering Society
of North America.
Sealed to severely restrict water entry and
movement
Lighting software that calculates point-by-
point illuminance that includes reflected light
using either ray-tracing or radiosity methods.
A generic term for a source of optical radia-
tion (i.e. “light”), often called a “bulb” or
“tube”. Examples include incandescent, fluor-
escent, high-intensity discharge (HID) lamps,
and low pressure sodium (LPS) lamps, as well
as light-emitting diode (LED) modules and
arrays.
Lighting of trees, shrubs, or other plant
material as well as ponds and other landscape
features.
Light Emitting Diode.
Any adverse effect of artificial light including,
but not limited to, glare, light trespass, sky-
glow, energy waste, compromised safety and
security, and impacts on the nocturnal
environment.
ORDINANCE TEXT - Page 36
Appendix B: Model Lighting Ordinance