Section R. 400.18614 - LaundryRule 614.
(1) In new construction, a laundry shall be located in a room that is constructed of materials, including the doors and frames, that have a 1-hour-fire-resistant rating and shall be protected with an approved automatic sprinkler system. In existing facilities, a laundry shall be located in a substantial enclosure, including the doors and frames, and may have less than a 1-hour-fire-resistant rating if acceptable to the inspecting authority.(2) A steam line shall be insulated with a noncombustible material and shall have a 1-inch clearance from combustibles.(3) A dryer shall be constructed of metal. A lint trap shall be cleaned frequently.(4) The use of any flammable liquid for cleaning, brushing, scouring, or scrubbing is prohibited.(5) A gas appliance shall have 100% safety shutoff controls.(6) Adequate air for combustion shall be provided in the laundry room.Mich. Admin. Code R. 400.18614