Colorado Lighting Logo
contact link site map link home page Link

Customer Login



 
City of Thornton Lighting Codes


Sec. 38-442.  Glare

(a)       Exterior and interior lighting in all zoning districts shall be designed and installed so that all direct rays are confined to the site on which the lighting is located and so that adjacent residential properties are protected from glare which is deemed to be a public nuisance

(b)         The installation or erection of any lighting which simulates, imitates or conflicts with warning signals, emergency signals or traffic signals is prohibited.

Sec. 18-391.  Lighting (Off Street Parking and Loading)

Off-street parking for a use other than single-family or two-family uses that offers service after dark shall be lighted beginning one-half hour after sunset and continuing throughout the hours of use. If only a portion of the parking area is offered for use after dark, only that part shall be lighted. The lighting of the off-street parking area shall meet the following minimum requirements:

(1)               The intensity of light on the parking surface shall be:

a.      An average of at least one foot-candle, initial measurement; and

b.      A minimum at any point of at least four-tenths foot-candle initial measurement. Requirements for maintenance of parking lot lighting shall include replacement of bulbs and light fixtures, regular cleaning, and replacement of light poles as needed

(2)               The light source shall be indirect, diffused, or shielded type fixtures, installed to reduce glare and the consequent interference with boundary streets and adjacent property

(3)               Fixtures shall be attached to buildings or mounted on poles in such a manner and at such a height that light is not directed at a residential use

(4)     Maximum height of lights shall not exceed 35 feet

 

Back