Sec. 70-8. - Energy efficient streetlights.

(a)

Definitions.

(1)

Fixture means the assembly that holds a lamp and may include an assembly housing, a mounting bracket or pole socket, a lamp holder, a ballast, a reflector or mirror, and a refractor or lens;

(2)

Full-cutoff luminaire means a luminaire that allows no direct light emissions above a horizontal plane through the luminaire's lowest light emitting part;

(3)

Glare means direct light emitting from a luminaire that causes reduced vision or momentary blindness;

(4)

Illuminance means the level of light measured at a surface;

(5)

Lamp means the component of a luminaire that produces the light;

(6)

Light trespass means light emitted by a luminaire that shines beyond the boundaries of the property on which the luminaire is located;

(7)

Lumen means a unit of measurement of luminous flux;

(8)

Luminaire means the complete lighting unit, including the lamp and the fixture;

(9)

Permanent outdoor luminaire means any luminaire or system of luminaires that is outdoors and intended to be used for seven days or longer;

(10)

State funds means any bond revenues or any money appropriated or allocated by the general assembly;

(11)

Town funds means any bond revenues or any money appropriated or allocated by a municipality; and

(12)

Town road means any public highway, road, street, avenue, alley, driveway, parkway or place, under the control of the Town of Tiverton, dedicated, appropriated or opened to public travel.

(b)

No state funds or town funds shall be used to install or replace a permanent outdoor luminaire for roadway lighting unless:

(1)

The luminaire is designed to maximize energy conservation and to minimize light pollution, glare and light trespass;

(2)

The luminaire's illuminance is equal to the minimum illuminance adequate for the intended purpose of the lighting;

(3)

For a luminaire with a rated output of more than 1,800 lumens used on town roads, such luminaire is a full-cutoff luminaire; and

(4)

The town council determines that the purpose of the lighting installation or replacement on town roads cannot be achieved by reducing the speed limit in the area to be lighted or by installing reflectorized roadway markers, lines, warnings, informational signs, or other means of passive or reflective lighting.

(c)

No public utility company or electrical installer may install or replace a permanent outdoor luminaire for roadway lighting in the Town of Tiverton if the cost of operating such luminaire is paid for by town funds unless subdivisions (1), (2), (3), and (4) of subsection (b) of this section are satisfied.

(d)

The town council may waive the provisions of subsection (b) of this section when, after a request for such a waiver has been made and reviewed, the town council determines that such a waiver is necessary for the lighting application. Requests for such a waiver shall be made to the town council in such a form as the town clerk shall prescribe and shall include, without limitation, a description of the lighting plan, a description of the efforts that have been made to comply with the provisions of subsection (b) of this section, and the reasons such a waiver is necessary. In reviewing a request for such a waiver, the town council shall consider design, safety, costs, and any other factors deemed appropriate.

(e)

Nothing in this section shall be construed as to require that any luminaire or streetlight in the Town of Tiverton must be replaced. The provisions of this section shall only apply when new permanent outdoor luminaires are installed or existing permanent outdoor luminaires are replaced.

(Ord. of 9-12-11(2))