§ 13-172-080

Artificial light

a.

General. Artificial light shall be capable of providing the minimum illumination specified for natural light.

b.

Stairway Illumination. (i) All stairways within dwelling units shall be provided with a minimum illumination level of ten footcandles (107 lux) measured at every tread nosing. Exterior stairways serving a dwelling unit shall have an illumination level on tread runs of 1 footcandle. (ii) The control for activation of the required stairway lighting within a dwelling unit shall be operable from the top and bottom of each stairway without traversing any step of the stair. The illumination of an exterior stairway serving a dwelling unit shall be controlled from inside the dwelling unit, unless continuously illuminated or automatically activated.

(Added Coun. J. 4-29-98, p. 66679, § 1)

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