Michigan Laws 324.75104 – Outdoor lighting; requirements
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Terms Used In Michigan Laws 324.75104
- Commission: means the commission of natural resources. See Michigan Laws 324.301
- Dark sky preserve: means an area designated in section 75102. See Michigan Laws 324.75101
- Fully shielded: means outdoor light fixtures shielded or constructed so that no light rays are emitted by the installed fixture at angles above 15 degrees below the horizontal plane and also constructed so that the filament or light source is not visible to the naked eye when viewed from a point higher than 15 degrees below the horizontal plane. See Michigan Laws 324.75101
(1) The commission shall ensure that all outdoor lighting within a state-owned dark sky preserve conforms to the following:
(a) Lighting shall be directed downward.
(b) If possible, lighting shall be provided by fully shielded fixtures.
(c) If practical and appropriate, outdoor lighting fixtures shall be motion sensor fixtures, and not fixtures that remain lighted during all hours of darkness.
(2) Notwithstanding any other provision of this part, the use and development of land within a state-owned dark sky preserve, including the use of the land for motorized and nonmotorized recreation, shall not be restricted due to the designation as a dark sky preserve.