Section R. 408.15221 - IlluminationRule 5221.
(1) Illumination shall be provided at the operators work station to maintain a minimum of 30 foot candle intensity, except at a debarker, head saw or trim saw. A minimum of 30 foot candle intensity shall be provided at the point of operation of a debarker, head saw or trim saw.(2) Work areas under mills shall be as evenly surfaced as local conditions permit. Work areas under mills shall not have unnecessary obstructions and shall have lighting facilities in accordance with ANSI A11.1 "Industrial Lighting" 1965 edition, as adopted in R 408.15209(3) Log dumps, booms, ponds, or storage areas used at night shall be illuminated in accordance with the requirements of ANSI A11.1 "Industrial Lighting" 1965 edition, as adopted in R 408.15209(4) An employer shall ensure that illumination is provided and designed to supply adequate general and local lighting to rooms, buildings, and work areas when in use.(5) The adequacy and effectiveness of illumination shall be determined using all of the following factors: (a) The quantity of light in foot-candle intensity is sufficient for the work being done.(b) The quality of the light is free from glare, and has correct direction, diffusion, and distribution.(c) Shadows and extreme contrasts are avoided or kept to a minimum.(6) All stairways shall be adequately lighted as prescribed in subrules (4) and (5) of this rule.(7) Fuel houses, bunkers, hoppers, and bins shall have adequate exits and lighting, and all necessary safety devices shall be provided. Persons entering fuel houses, bunkers, hoppers, and bins shall use the safety devices.Mich. Admin. Code R. 408.15221