(A) Upward-directed floodlighting. Outdoor floodlighting by floodlight projection above the horizontal plane is prohibited.
(B) Lamp source and shielding. The requirements for lamp source and shielding of light emissions for outdoor light fixtures are as follows.
(1) Class 1 lighting.
Low-pressure sodium | Allowed, fully shielded |
Narrow-spectrum amber LED | Allowed, fully shielded |
Others above 2,000 lumens | Allowed, fully shielded* |
Others below 2,000 lumens | Allowed, fully shielded |
(2) Class 2 lighting.
Low-pressure sodium | Allowed, fully shielded |
Narrow-spectrum amber LED | Allowed, fully shielded |
Others above 2,000 lumens | Prohibited |
Others below 2,000 lumens | Prohibited |
(3) Class 3 lighting.
Low-pressure sodium | Allowed, fully shielded |
Narrow-spectrum amber LED | Allowed, fully shielded |
Others above 2,000 lumens | Prohibited |
Others below 2,000 lumens | Allow, fully shielded |
(4) Residential lighting (all classes).
All types | Allowed, fully shielded |
(5) Examples. Examples of lamp types of 2,000 lumens and below. The acceptability of a particular light is decided by its lumen output, not wattage; values listed are approximate; check manufacturer’s specifications:
(a) One-hundred watt standard incandescent and less;
(b) One-hundred watt tungsten-halogen (quartz) and less;
(c) No available high-pressure sodium of metal halide;
(d) Twenty-five watt fluorescent and less; and
(e) Twenty-six watt compact fluorescent and less.
*Metal Halide, fluorescent, LED or other white light sources must have CCT of 3,200K or less
(C) Total outdoor light output. Total outdoor light output, excluding streetlights used to illuminate public rights-of-way, shall not exceed the following limits averaged over the entire project (values listed are total initial lamp lumens per acre and per residence):
(1) Commercial, industrial and multi-family land use (lumens per net acre):
Non-LPS/narrow-spectrum amber LED | 5,000 |
Total | 50,000 |
Unshielded | 0 |
(2) Single-family residential (lumens per residence):
Total | 10,000 |
Unshielded | 0 |
(D) Effective shielding. All light fixtures which are required to be shielded shall be installed in such a manner that the shielding is effective, as defined in § 17.3, under fully-shielded fixture and partially- shielded fixture.
(E) Direct lighting on site. All light fixtures, except street lamps, shall be aimed or shielded so that the direct illumination shall be confined to the property boundaries of the source as much as is feasible.
(F) Direct lighting off roadways. All light fixtures, except streetlamps, shall be installed in such a manner that the direct illumination does not fall onto any public or private street or road as much as is feasible.
(G) Curfew.
(1) Class 1 and Class 3 lighting and lighted signs must be extinguished at 11:00 p.m., or no later than 30 minutes after the business closes, whichever is later. (For holiday decoration exemption, see § 17.8(B).)
(2) Class 2 lighting located 75 feet or more from a building or outdoor sales or merchandise storage area must be extinguished at 11:00 p.m., or no later than 30 minutes after the business closes, whichever is later.
(H) High-intensity lights. Searchlights, laser source lights or any similar high-intensity light shall not be permitted, except in emergencies by police and fire personnel or at their direction.
(I) Mercury vapor sales. The installation, sale, offering for sale, lease or purchase of any mercury vapor light fixture or lamp for use as outdoor lighting is prohibited.
(J) Ornamental luminaries. Ornamental luminaries with exposed light sources are not permitted.
(Ord. 2012-04, passed 12-5-2012)