Article 10-8 LIGHTING STANDARDS MATRIX
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Lighting Zone |
Operating Hours |
Light Sources and Fixture Shielding |
Mounting Height & Pole Color |
On-Site and Perimeter Illuminance Levels |
Uplighting |
|---|---|---|---|---|---|
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1 Low Ambient Light Areas |
Security Lighting only after 10:00 PM. or 1-hour after Close |
Light Sources <= 3,200K Full-Cutoff fixtures only. HSS on Perimeter Fixtures |
6' height <= 30' from Residential Property Line. 15; height > 30'. Dark and Non-Reflective Colors. |
1.50 FC Average 0.30 VFC Maximum |
<= 1,8000 Lumens Turn off at 10:00 PM. or 1-hour after Close of Business. |
|
2 Medium Ambient Light Areas |
Security Lighting only after 10:00 PM. or 1-hour after Close of Business. |
All Light Sources. Semi-Cutoff and Cutoff fixtures <= 1,800L. Full-Cutoff > 1,800L. HSS on Perimeter Fixtures |
6' height <= 30' from Residential Property Line. >30' 15' ht. <= 150' 25' height > 150'. Dark and Non-Reflective Colors. |
3.00 FC Average 0.80 VFC Maximum |
<= 3,500 Lumens Turn off at 10:00 PM. or 1-hour after Close of Business. |
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3 High Ambient Light Areas |
50% Reduction after 10:00 PM or 1-Hour after Close |
All Light Sources. Semi-Cutoff and Cutoff fixtures <= 3,500L. Full-Cutoff > 3,500L. HSS on Perimeter Fixtures External shielding after 10:00 PM. |
15' height <= 150' from Residential Property Line. 30' height > 150'. Any Color, as approved by P & Z staff |
4.50 FC Average 1.50 VFC Maximum |
<= 6,500 Lumens. Turn off at 10:00 PM. or 1-hour after Close of Business. |
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4 Special Light Areas |
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To be determined by Planning & Zoning Staff. |
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Kelvin (K) |
<= 3,200K = A light source with a color temperature of less than or equal to 3,200 degrees Kelvin (“warm” colored light). |
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Light Sources |
<= 1,800L = A light source which produces less than 1,800 initial Lumens. |
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Fixture Shielding |
HSS <= 25 feet = Fixtures located less than or equal to 25 feet from a residential property line shall possess a external shielding on the rear and sides of the fixture in order to prevent direct view of the fixture lens or lamp from a residential property line. |
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Mounting Height |
15' <=150' = Mounting height of 15' or less when the fixture is located less than or equal to 150 feet from a residential property line. |
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Pole Color |
Dark = Dark, non-reflective colors such as Dark Bronze or Black. |
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Illuminance Levels |
On-site maintained horizontal average illuminance and perimeter initial vertical illuminance (spill light). |