The purpose of the outdoor lighting on public and private property regulations is to regulate outdoor lighting in order to reduce or prevent light pollution. This means, to the extent reasonably possible, the reduction or prevention of glare and light trespass, the conservation of energy, and promotion of safety and security. These regulations will ensure the aesthetically appropriate outdoor lighting in keeping with the historic character of the city of Nauvoo. (Ord. 2001-2, 6-12-2001)

As used in this chapter:

ACCENT LIGHTING: Any directional lighting which emphasizes a particular object or draws attention to a particular area.

DISABLING GLARE: Lighting that impairs visibility and creates a potentially hazardous situation for either pedestrians or motorists.

GLARE: The brightness of a light source that causes eye discomfort.

ILLUMINATING ENGINEERING SOCIETY OF NORTH AMERICA (IES OR IESNA): The professional society of lighting engineers, including those from manufacturing companies, and others professionally involved in lighting.

LAMP OR BULB: The light producing source installed in the socket portion of a luminaire.

LIGHT POLLUTION: General sky glow caused by the scattering of artificial light in the atmosphere and resulting in decreased ability to see the natural night sky.

LIGHT TRESPASS: Light emitted by a luminaire that shines beyond the property on which the luminaire is installed. (See section 10-6-14, figures 5 and 6, of this chapter.)

LUMINAIRE OF FIXTURE: A complete lighting unit including the lamps or bulbs, together with the parts required to distribute the light, to position and protect the lamps, and to connect the lamps to the power supply.

NUISANCE GLARE: Light that creates an annoyance or aggravation but does not create a potentially hazardous situation.

OUTDOOR LIGHTING FIXTURES: An outdoor artificial illuminating device, whether permanent or portable used for illumination or advertisement, including searchlights, spotlights and floodlights, whether for architectural lighting, parking lot lighting, landscape lighting, billboards or street lighting.

SHIELDING: No light rays are emitted by a fixture above the horizontal plane running through the lowest point of the fixture where light is emitted. (See section 10-6-14, figures 5 and 6, of this chapter.)

SPOTLIGHT OR FLOODLIGHT: Any lamp that incorporates a reflector or a refractor to concentrate the light output into a directed beam in a particular direction. (Ord. 2001-2, 6-12-2001)

All outdoor lighting fixtures shall be shielded, except incandescent fixtures 150 watts or less and other sources of 70 watts or less. (See section 10-6-14, figures 5 and 6, of this chapter.) (Ord. 2001-2, 6-12-2001)

All outdoor lighting shall not exceed the illumination levels recommended by the Illuminating Engineering Society of North America (IESNA) given in chart 2 and chart 3 of this section.

PARKING LOTS

 

 

1.   Assumes light is at a height of 20 feet. If light is at 30 feet the lumens needs to be doubled to achieve the same fc at the ground.

 

Other Recommendations:Automotive dealership display lots:35 fc (600,000 lumens for a single light) 1 7500 W MH.Service stations:Pump island 20 fc (200,000 lumens for a single light)2 2500 W MH.Service area 3 fc (50,000 lumens for a single light)1 625 W MH.Entrance doorways:Active 5 fc (11,000 lumens)3 135 W MH, 135 W HPS, 75 W LPS.Inactive 1 fc (2,000 lumens)3 25 W MH, 25 W HPS, 15 W LPS.

      1.   Assumes light is at a height of 20 feet. If light is at 30 feet the lumens needs to be doubled to achieve the same fc at the ground.

      2.   Assumes a canopy height of 15 feet.

      3.   Assumes light at a height of 10 feet.

(Ord. 2001-2, 6-12-2001)

Metal halide fixtures shall be filtered. "Filtering" means any outdoor light fixture which has a glass, acrylic, or translucent enclosure. Quartz glass does not meet this requirement. (Ord. 2001-2, 6-12-2001)

   A.   Existing light fixtures which do not conform with sections 10-6-3, 10-6-4, and 10-6-5 of this chapter are allowed, but extinguishing of such lights by eleven o'clock (11:00) P.M. is encouraged.

   B.   No outdoor recreational facility, whether public or private, shall be illuminated after eleven o'clock (11:00) P.M. except to conclude any recreational or sporting event or other activity conducted, which is in progress prior to eleven o'clock (11:00) P.M. at a ballpark, school ball field, outdoor amphitheater, arena or similar facility. (Ord. 2001-2, 6-12-2001)

Display lot lighting shall be turned off within thirty (30) minutes after closing the business. Under no circumstances shall the full illumination of the lot be permitted after eleven o'clock (11:00) P.M. Any lighting used after eleven o'clock (11:00) P.M. shall be used as security lighting. (Ord. 2001-2, 6-12-2001)

All architectural lighting shall be of 150 watts or less (incandescent) or 70 watts or less (other types), and be extinguished no later than eleven o'clock (11:00) P.M. Lights shall have at least ninety percent (90%) of their light falling on the illuminated structure. (Ord. 2001-2, 6-12-2001)

No new mercury vapor outdoor lighting fixtures shall be sold or installed after the adoption of this zoning ordinance. (Ord. 2001-2, 6-12-2001)

Lighting standards, whether attached to buildings or mounted on poles, shall be in scale with the height and use of the structure but shall not exceed thirty feet (30') in height. (Ord. 2001-2, 6-12-2001)

The following are exempt from the provisions of this chapter:

   A.   Outdoor lighting fixtures existing and legally installed prior to the effective date hereof; however, any replacement of said lighting fixtures must comply with this chapter as set forth above.

   B.   Traffic control signals and devices.

   C.   Streetlights installed prior to the effective date hereof.

   D.   Temporary emergency lighting (i.e., fire, police, repair workers).

   E.   Moving vehicle lights.

   F.   Navigation lights (i.e., airports, heliports, radio/television towers).

   G.   Lighted signs that conform with the city's sign ordinance 1 .

   H.   Seasonal decorations with individual lights in place no longer than sixty (60) days.

   I.   Other special situations approved by the city for temporary or periodic events (i.e., rodeos, revivals, fairs, fiestas, carnivals, nighttime construction).

   J.   Covered porch lighting on single-family or multi-family homes provided that each outdoor light fixture does not exceed 150 watts (2,220 lumens output).

   K.   Security lights of any wattage that are controlled by a motion sensor switch and which do not remain on longer than ten (10) to twelve (12) minutes after activation.

   L.   Historical areas as designated by proper authority are exempt from the requirements of this chapter. Use of the minimum illumination necessary to maintain public safety is encouraged.

   M.   Outdoor light fixtures operated by the city of Nauvoo and Nauvoo park district are exempt from the requirements of this chapter. Voluntary compliance with the intent and provisions of this chapter is encouraged. (Ord. 2001-2, 6-12-2001)

   A.   Any person applying for a building, electrical or sign permit to install outdoor lighting fixtures shall as a part of said application submit evidence that the proposed work will comply with this chapter.

   B.   The application shall contain, but shall not be limited to, the following:

      1.   Plans indicating the location on the premises, and the type of illuminating devices, fixtures, lamps, supports, other devices.

      2.   Descriptions of the illuminating devices, fixtures, lamps, supports and other devices. This description may include, but is not limited to, manufacturer's catalog cuts, and drawings including sections where required.

   C.   The above required plans and descriptions shall be sufficiently complete to enable the zoning administrator to readily determine whether compliance with the requirements of this chapter will be secured. If such plans and descriptions cannot enable this ready determination, by reason of the nature or configuration of the devices, fixtures or lamps proposed, the applicant shall submit evidence of compliance by certified test reports as performed by a recognized testing lab. (Ord. 2001-2, 6-12-2001)

Any person, firm, entity or corporation violating the provisions of this chapter shall be required to pay a forfeiture of not more than one hundred dollars ($100.00) for each day the violation continues after being issued a citation. (Ord. 2001-2, 6-12-2001)

(Ord. 2001-2, 6-12-2001)