Morrisville Unified Development Ordinance - April 2019

Article 5: Development Standards Section 5.15. Exterior Lighting 5.15.4. Fixture Requirements

The following fixtures shall not be permitted:

a. Indirect lighting that is beamed upward to reflect the underside of the canopy or awning;

b. Fixtures that do not provide a fully-shielded light distribution; and

c. Other fixtures deemed architecturally non-compatible by the Planning Director.

The color and style of the fixture shall complement the architectural character of the building.

Light levels for nonresidential canopies shall comply with the standards in Section 5.15.3, Parking and Outdoor Lighting Light Levels.

(Ord. No. 2015-002, 04/29/2015)

C. Uncovered Parking and Drive Aisles

All fixtures shall be designed to illuminate the parking area or drive aisles.

Fixtures mounted higher than 20 feet above ground level shall have a full cutoff light distribution.

Fixtures mounted at 20 feet or less shall have a full cutoff light distribution, see Figure 5.15.4.C: Non-Cutoff Fixture, or shall meet all of the following criteria to diffuse light and reduce glare:

a. The Illuminating Engineering Society of North America (IESNA) cutoff classification for the fixture shall be cutoff, semi-cutoff or non-cutoff.

b. The maximum initial lumens generated by each fixture shall be 9500 initial lamp lumens or less. c. The outer lamp envelope for medium based metal halide lamps shall be coated with an internal white frosting.

d. Metal halide fixtures shall be equipped with:

(1) An internal “jelly jar” refractive lens;

(2) A diffuse outer lens; or

(3) A wide-body refractive globe as defined in Section 11.5, Terms and Uses Defined.

Figure 5.15.4.C: Non- Cutoff Fixture.

e.

The top of the fixture shall be capped.

The following fixtures shall not be permitted:

a. Cutoff where full cutoff is required; and

b. Other fixtures deemed architecturally non-compatible by the Planning Director.

The color and style of the fixture shall complement the architectural character of the building.

The light pole cannot be greater than 35 feet in height above the ground level at its base. Raised foundations are permissible where appropriate for parking. Light levels shall comply with the standards in Section 5.15.3, Parking and Outdoor Lighting Light Levels.

April 23, 2019

Morrisville, NC

Page 5-144

Unified Development Ordinance