5-8(D)   GENERAL DESIGN AND ILLUMINATION

All sources of light visible from the exterior of a property subject to this Section 14-16-5-8 shall meet all of the following standards.

5-8(D)(1)   All outdoor lighting with light fixtures that are 150 watts or greater for incandescent light sources or 70 watts or greater for other types of light sources shall meet all of the following requirements.

5-8(D)(1)(a)   Light fixtures shall be shielded using full cutoff light fixtures (i.e. a light fixture with zero intensity at or above 90 degrees above nadir and limited to a value not exceeding 10 percent of lamp lumens at or above 80 degrees).

5-8(D)(1)(b)   No light source for any outdoor light fixture shall be directly visible from a distance greater than 1,000 feet in any Residential zone district.

5-8(D)(1)(c)   All outdoor lighting shall be aimed so that light spillover onto the area 10 feet beyond the property line shall not exceed 200 foot lamberts as measured from the property line facing the light source.

5-8(D)(1)(d)   Outdoor light fixtures shall have a minimum light intensity of one lumen per square foot and a maximum intensity of 2 lumens per square foot unless specified otherwise in this IDO.

5-8(D)(1)(e)   All outdoor light fixtures within any Residential or Mixed-use zone district shall remain off between 11:00 P.M. and sunrise except for security purposes or to illuminate pedestrian walkways, driveways, drive aisles, equipment yards, and parking lots.

5-8(D)(1)(f)   All outdoor light fixtures shall generate at least 80 lumens per watt of energy consumed, as shown on the manufacturer's specifications for the fixture.

5-8(D)(2)   Any sports lighting, floodlights, or searchlights allowed by this Section 14-16-5-8 shall be turned off between 11:00 P.M. and sunrise.

5-8(D)(3)   The height of light poles, measured from the finished grade to the top of the pole, shall comply with the standards in Table 5-8-1 unless Part 14-16-2, Part 14-16-3, or any Use-specific Standard in Section 14-16-4-3 provides a different standard, or unless the property is located in the NR-PO-B sub-zone and the pole heights comply with a Master Plan approved by the EPC.

 

Table 5-8-1: Maximum Height for Light Poles
Zone District	Maximum Height, ft.
Residential zone districts and HPO zones	16
Mixed-use zone districts	20
Non-residential zone districts	30
Within 100 feet in any direction of any Residential zone district	16
Adjacent to Major Public Open Space	20

 

5-8(D)(4)   All outdoor light fixtures mounted on a building or structure other than a light pole, except for security lighting, shall be mounted at least 6 feet and no more than 15 feet above grade or no higher than 7 feet above the floor of a stoop or porch unless specified otherwise in this IDO.

5-8(D)(5)   Light fixtures installed in canopies or similar structures shall be flush-mounted or recessed above the lower edge of the canopy and shall be equipped with flat lenses that do not project below the canopy ceiling. The canopy fascia shall not be internally illuminated.

5-8(D)(6)   All sources of light for non-residential development (excluding uses in the Lodging category) other than outdoor light fixtures as regulated above that are visible from the property line shall not exceed 300 foot lamberts as measured from the property line.

5-8(D)(6)(a)   In UC-MS-PT areas, if the non-residential development is located within 10 feet of the property line, this measurement is taken from the mid-point of the abutting right-of-way, or from a distance of 50 feet, whichever is closer.

5-8(D)(6)(b)   Neon signs are exempt from this requirement.