Unified Development Ordinance

Article 7.4. Site Lighting

Article 7.4. Site Lighting aaron.sheppard… Mon, 05/08/2023 - 10:26
  1. General
    1. This Article does not apply to lighting installed in the public right-of-way or along any greenway.
    2. The installation of site lighting, replacement of site lighting and changes to existing light fixture wattage, type of fixture, mounting or fixture location shall be made in strict compliance with this UDO.
    3. Routine maintenance, including changing the lamp, ballast, starter, photo control, fixture housing, lens and other required components, is permitted for all existing fixtures.
  2. Change in Use
    A change in use does not trigger application of this Article except when there is a specific use standard requiring site lighting for a new use.
  3. Permit Required
    A permit is required for work involving site lighting. Documentation must be submitted that states the proposed site lighting complies with the provisions of this UDO. At a minimum, the documentation submitted must contain the following:
    1. A point-by-point footcandle array in a printout format indicating the location and aiming of illuminating devices. The printout must indicate compliance with required footcandle limitations.
    2. Description of the illuminating devices, fixtures, lamps, supports, reflectors,  poles, raised foundations and other devices, including but not limited to manufacturers or electric utility catalog specification sheets and photometric report indicating fixture classification.
    3. The Development Services Director may waive any or all of the above permit requirements, provided the applicant can otherwise demonstrate compliance with this UDO.

Sec. 7.4.1. Applicability

Sec. 7.4.1. Applicability aaron.sheppard… Tue, 05/23/2023 - 11:42

Sec. 7.4.2. Light Level Measuring

Sec. 7.4.2. Light Level Measuring aaron.sheppard… Tue, 05/23/2023 - 11:43
  1. Light levels are specified, calculated and measured in footcandles. All footcandles values are maintained footcandles.
  2. Measurements are to be made at ground level, with the light-registering portion of the meter held parallel to the ground pointing up.

Sec. 7.4.3. Prohibited Sources

Sec. 7.4.3. Prohibited Sources aaron.sheppard… Tue, 05/23/2023 - 11:43

The following light fixtures and sources cannot be used:

  1. Cobra-head-type fixtures having dished or drop lenses or refractors which contain sources that are not incandescent;
  2. Temporary searchlights and other high-intensity narrow-beam fixtures; and
  3. Light sources that lack color correction or do not allow for uniform site lighting.

Sec. 7.4.4. Design and Installation Requirements

Sec. 7.4.4. Design and Installation Requirements aaron.sheppard… Tue, 05/23/2023 - 11:44

All light fixtures shall meet the following requirements:

  1. The maximum light level of any light fixture cannot exceed 0.5 footcandles measured at the property line of any Residential District and 2.0 footcandles measured at the right-of-way line of a street.
  2. Lighting must not be oriented so as to direct glare or excessive illumination onto adjacent properties, streets or sidewalks.
  3. Service connections for all freestanding lighting fixtures must be installed underground.

Sec. 7.4.5. Parking and Pedestrian Areas

Sec. 7.4.5. Parking and Pedestrian Areas aaron.sheppard… Tue, 05/23/2023 - 11:44
  1. Light fixtures within parking and vehicular display areas may be no higher than 30 feet.
  2. Light fixtures within pedestrian areas may be no higher than 15 feet.
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  3. Light fixtures located within 50 feet of the property line of a Residential District may be no higher than 15 feet.
  4. Light fixtures within 25 feet of a street right-of-way must be forward throw fixtures.
  5. Light fixtures in parking and vehicular display areas must be full cutoff. In all other areas, light fixtures with more than 2,000 lumens must be full cutoff unless they meet the following:
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    1. Non-cutoff fixtures can be used when the maximum initial lumens generated by each fixture does not exceed 9,500 lumens;
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      7-4-5-e-1 Lamp Posts Designs
    2. If the unshielded fixture has all metal halide, fluorescent, induction, white high pressure sodium and color-corrected high pressure sodium lamps, the outer lamp envelope must be coated with an internal white frosting to diffuse light;
    3. All metal halide fixtures equipped with a medium base socket must use either an internal refractive lens or a wide-body refractive globe; or
    4. All non-cutoff fixture open-bottom lights must equipped with full cutoff fixture shields.
  6. To the extent possible, as determined by the Development Services Director, internal light sources within structured parking shall not be visible from the adjacent public right-of-way. Rooftop lighting for parking structures shall be mounted a minimum of 15 feet in from the edge of the structure.

Sec. 7.4.6. Flood Lights and Flood Lamps

Sec. 7.4.6. Flood Lights and Flood Lamps aaron.sheppard… Tue, 05/23/2023 - 11:45
  1. Flood light fixtures must either be aimed down at least 45 degrees from vertical or the front of the fixture shielded so that no portion of the light bulb extends below the bottom edge of the shield. 
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  2. Any flood light fixture located within 50 feet of a street right-of-way must be mounted and aimed perpendicular to the right-of-way, with a side-to-side horizontal aiming tolerance not to exceed 15 degrees.
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  3. All flood lamps emitting 1,000 or more lumens must be aimed at least 60 degrees down from horizontal or shielded so that the main beam is not visible from adjacent properties or the street right-of-way.
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    7-4-6-c

Sec. 7.4.7. Vehicular Canopies

Sec. 7.4.7. Vehicular Canopies aaron.sheppard… Tue, 05/23/2023 - 11:45

Lighting under vehicular canopies must be less than 24 maintained foot candles and be designed to prevent glare off-site. Acceptable lighting designs include the following:

  1. Recessed fixture incorporating a lens cover that is either recessed or flush with the bottom surface of the canopy;
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    7-4-7-a
  2. Light fixture incorporating shields or is shielded by the edge of the canopy itself, so that light is restrained to 5 degrees or more below the horizontal plane;
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  3. Surface mounted fixture incorporating a flat glass that provides a cutoff design or shielded light distribution;
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  4. Surface mounted fixture measuring no more than 2 feet by 2 feet, with a lens cover that contains at least 2% white fill diffusion material; or
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    7-4-7-d
  5. Indirect lighting where light is beamed upward and then reflected down from the underside of the canopy, provided the fixture is shielded so that direct illumination is focused exclusively on the underside of the canopy.
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    7-4-7-e

Sec. 7.4.8. Outdoor Recreation Fields and Performance Areas

Sec. 7.4.8. Outdoor Recreation Fields and Performance Areas aaron.sheppard… Tue, 05/23/2023 - 11:46
  1. The mounting height of lighting fixtures cannot exceed 80 feet from finished grade unless approved as a special use permit in accordance with Sec. 10.2.9.
  2. All fixtures must be equipped with a glare control package, including louvers, shields or similar devices. The fixtures must be aimed so that their beams are directed and fall within the primary playing or performance area.
  3. No illumination, when measured at the property line, shall exceed o.4 maintained footcandle of lighting.
  4. Lights within 100 feet of a Residential District cannot be illuminated after 10 p.m. Sunday through Thursday and 11 p.m. Friday and Saturday.
  5. In all other districts, the hours of operation for the lighting system must not exceed 1 hour after the end of the game or event.

Sec. 7.4.9. Signs

Sec. 7.4.9. Signs aaron.sheppard… Tue, 05/23/2023 - 11:46

Lighting fixtures illuminating signs must meet the standards of Sec. 7.3.16.G.

Sec. 7.4.10. Building and Security Lighting

Sec. 7.4.10. Building and Security Lighting aaron.sheppard… Tue, 05/23/2023 - 11:47
  1. Lighting fixtures shall be selected, located, aimed and shielded so that direct illumination is focused exclusively on the building facade, plantings and other intended site features and away from adjoining properties and the street right-of-way.
  2. All wall pack fixtures must be full cutoff fixtures.
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  3. Only lighting used to accent architectural features, landscaping or art may be directed upward, provided that the fixture is located, aimed or shielded to minimize light spill into the night sky.

Sec. 7.4.11. Parking Structures

Sec. 7.4.11. Parking Structures aaron.sheppard… Tue, 05/23/2023 - 11:47

Lighting of Parking Structures shall be designed to reduce light spillage outside the parking structure according to the following:

  1. Internal illumination shall be screened so that internal light sources shall not be visible. Internal light fixtures directly visible from outside the structure shall be directed internally upward or shall be shielded to prevent such visibility.
  2. Internal illumination shall conform to the standards of UDO Section 7.4.7.A., 7.4.7.B. and 7.4.7.E. Vehicular Canopies.
  3. Rooftop lighting shall be located at an elevation height less than the top of the nearest exterior perimeter rooftop wall; or shall be setback a minimum of 15 feet from the exterior perimeter of the rooftop wall at a maximum mounted height of 12 feet above finished floor with cutoff light fixtures that have a maximum 90 degree illumination.
  4. Lighting levels measured at the property line of parcels adjacent to the structured parking deck shall not be greater than 0.5 footcandles, excluding property lines within 10 feet of any pedestrian or vehicular ingress or egress.
  5. Lighting elements that do not comply with the above requirements such as motion sensor lighting may be considered as part of a design alternate (see Section 7.4.12.).

Sec. 7.4.12. Design Alternate Findings

Sec. 7.4.12. Design Alternate Findings aaron.sheppard… Tue, 05/23/2023 - 11:48

The Planning Commission or Design Review Commission performing the quasi-judicial duties of the Planning Commission (as designated by the City Council), after conducting a duly noticed quasi-judicial evidentiary hearing in accordance with Sec. 10.2.17., shall approve a design alternate, if all of the following findings are satisfied:

  1. The approved alternate does not substantially negatively impact the comfort and safety of adjacent tenants, property owners, and/or pedestrians.