1. Required Lamps – Generally. All lamps shall be LED, or others with similar qualities to reduce glare and provide for improved color correct vision.
2. Required Exterior Lighting Fixtures – Generally. All exterior lighting fixtures shall be full cut-offs. No portion of the lamp, lens, or diffuser shall be visible from the side or top of any shield, or otherwise protrude from the bottom of the shield. No exterior lighting fixture shall emit light at or above a horizontal plane that runs through the lowest point of the shield.
3. Architectural and Decorative Lighting (Commercial and Industrial).
A. Limited building-mounted lighting may be used to highlight specific architectural features or primary customer or building entrances. Floodlights are only permitted provided all light emitted is contained by the building or by an eave or protruding structure.
B. Lighting fixtures shall be located, aimed, and shielded to minimize the glare that is emitted on objects other than a building’s façade or landscape walls.
C. Building-mounted neon lighting may only be used when the lighting is recessed or contained inside a cap or architectural reveal.
4. Site and Parking Lot Lighting (Commercial and Industrial).
A. The mounting height for lighting fixtures shall not exceed 33 feet from grade to the top of the lighting fixture.
B. The maximum average-maintained foot-candles for a parking lot lighting fixture shall be three foot-candles. The maximum lighting level for a parking lot lighting fixture shall be ten foot-candles.
C. The maximum horizontal foot-candle measurement at any property line shall be two foot-candles. The maximum maintained vertical foot-candle at an adjoining property line shall be two foot-candles, as measured at five feet above grade.
5. Display Lot Lighting (Commercial and Industrial).
A. The mounting height for lighting fixtures shall not exceed 33 feet from grade to the top of the lighting fixture.
B. The maximum average-maintained foot-candles for a display lot lighting fixture adjacent to the public right of way shall be 25 foot-candles. The minimum lighting level for a display lot lighting fixture adjacent to the public right of way shall be one foot-candle. The maximum lighting level for display lot lighting fixture adjacent to a public right of way shall be 30 foot-candles.
C. The remaining rows intended for vehicle display as defined on the site plan shall have a maximum average maintained foot-candle for display lot lighting of 20 foot-candles and a minimum of one average maintained foot- candle. The maximum lighting level for secondary rows of display lot lighting shall be 25 foot-candles.
D. All customer and employee parking areas and other non-display areas within the site shall conform to the site and parking lot lighting requirements as defined above.
E. The maximum horizontal foot-candle measurement at any property line shall be two foot-candles. The maximum maintained vertical foot-candle at an adjoining property line shall be two foot-candles, as measured at five feet above grade.
F. All display lot lighting fixtures shall meet the shielding and lamp requirements contained in this section and adhere to all other requirements imposed by the Adel Code of Ordinance.
G. After 10:00 P.M. and until 7:00 A.M., all display lot lighting fixture foot-candle levels shall be reduced so as to conform to the site and parking lot lighting requirements contained in this section through the means of a control system or systems.
H. The discontinuance of the use of the property for on-site vehicular sales shall eliminate the authority of the property owner to operate the display lot lighting at the levels set forth in this section. In the event of such discontinuation of use, the lighting may only be operated in accordance with other requirements of this section. It shall be the property owner’s responsibility to notify its successors in interest or tenants of the obligations imposed by this section.
6. Canopy Lighting (Commercial and Industrial). The average maintained foot- candles under a canopy shall be 35 foot-candles. Areas outside the canopy shall be regulated by the guidelines and standards outlined above. Permissible fixtures for canopy lighting include:
A. Recessed fixtures that incorporate a lens cover that is either recessed or flush with the bottom surface of the canopy.
B. Indirect lighting where light is emitted upward and then reflected down from the underside of the canopy. Such fixtures shall be shielded to ensure that no light is emitted at or above a horizontal plane that runs through the lowest point of the canopy.
7. Street Lighting. All private street light fixtures shall measure no more than 30 feet from grade to the top of the lighting fixture, and shall be cobra-style, unless the Commission permits the installation of an alternative fixture. The Commission may approve an alternative lighting fixture only after a determination has been made that the alternative fixture has been designed to avoid glare and trespass. The use of lighting fixtures that direct light upward into the air is strictly prohibited. All lighting on public streets shall conform to the current City of Adel Standard Specification or in SUDAS (Iowa Statewide Urban Design Standards for Public Improvements and the Iowa Statewide Urban Standard Specification for Public Improvements) as applicable.
8. Recreational Facilities. The lighting fixtures at all public or private outdoor recreational facilities shall be designed to minimize the amount of light that is directed upward into the air, glare, and light trespass. The illumination of any public or private outdoor recreational facility after 11:00 p.m. is prohibited, except in order to conclude a specific activity, previously scheduled, which is in progress under such illumination prior to 11:00 p.m.
9. Exemptions. This section does not apply to the following exterior lighting sources:
9. Exemptions. This section does not apply to the following exterior lighting sources:
A. Airport lighting required by law.
B. Temporary emergency lighting.
C. Temporary lighting, other than security lighting, at construction projects.
D. Governmental facilities where a compelling need for safety and security has been demonstrated.
E. Lighting for flag poles, church steeples or other similar non- commercial items provided they do not cause distraction within public rights- of-way.
(Section 165.61 - Ord. 377 - Jan. 22 Supp.)