Dobbins JLUS IMP Public Draft Light Pollution Study | Page 294

Pattern Outdoor Lighting Code
Standard ver. 2.0
any part of the fixture is lower than the upper edge of a window or door must
be fully shielded (See Figure 4.10).
Pattern Outdoor Lighting Code
Standard ver. 2.0
A. Outdoor internally illuminated signs must either be constructed with an
opaque background and translucent text and symbols, or with a colored
background and generally LIGHTER text and symbols (Figure 5.2.A).
Lamps used for internal illumination of internally illuminated signs shall
not be counted toward the total outdoor light output limits in Section 4.2.
Light Background
:
Colored Background Opaque Background
;
;
Figure 4.10. Elevation cross-section view showing required shielding for
indoor non-residential lighting (FS = fully shielded; A = allowed, fully
shielded, partially shielded or unshielded)
4.11. Time Limits.
A. Class 3 lighting shall be extinguished between 10:00pm (or when the
business closes, whichever is later) and the time the business re-opens.
B. Class 2 lighting located 75 feet or more from the nearest building,
display area or storage area shall be extinguished between 10:00pm (or
within 30 minutes of the business closing, whichever is later) and the time
the business re-opens.
Section 5. Outdoor Advertising Sign Lighting Standards.
5.1 Externally Illuminated Sign Lighting Standards. External illumination for
signs, including billboards, shall conform to the provisions of this Code. Such
lighting shall be treated as Class 1 lighting and shall conform to the lamp
source, shielding restrictions and total outdoor light output limits of Section
4 (except as provided in Section A below). All upward-directed sign lighting is
prohibited.
Figure 5.2.A. Internally illuminated sign styles
B. Neon signs, multicolor fixed-copy LED Signs and single-color LED
signs (Figure 5.2.B) shall be treated as internally illuminated signs for
the purposes of this Code, and shall not have their outputs counted toward
the total outdoor light output limits in Section 4.2. Any lighting extending
beyond the area considered to be the sign area (as defined in the Sign
Code of this jurisdiction) shall conform to all provisions of this Code. In
particular, such lighting shall be treated as Class 3 lighting (decorative)
and shall conform to the total outdoor light output limits of Section 4.
Neon
Multicolor Fixed-
Copy LED
Single-Color LED
A. Lighting for externally illuminated billboards may use up to 200 initial lamp
lumens per square foot of sign face. Lighting for billboards is not included
toward the total outdoor light output limits of Section 4.2.
5.2 Internally Illuminated Sign, Neon Sign, Multicolor Fixed-Copy LED Sign
and Single-Color LED Sign Lighting Standards.
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Figure 5.2.B. Neon, multicolor fixed-copy LED and single-color LED signs
C. Other internally-illuminated panels or decorations not considered to be
signage according to the sign code of this jurisdiction (such as illuminated
Appendix C: Pattern Outdoor Lighting Guide
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