US lawMinnesotaRegulationsDEPARTMENT OF HEALTHChapter 4660 — CHAPTER 4660, BOARDING CARE HOMES; PHYSICAL PLANT4660.6800Minn. R. 4660.6800EXTERIOR MECHANICAL SHAFTS, NEW CONSTRUCTIONYear: 2026Length: 20 wordsOfficial source Exterior shafts serving equipment for patient or resident areas shall be constructed to prevent accumulation of dirt, leaves, or snow.PreviousMinn. R. 4660.6700NextMinn. R. 4660.6900