Section R. 29.1691 - Industrial ovens and furnacesRule 41. Sections 51.1.2, 51.1.2.1, 51.1.2.2 and 51.3 of chapter 51 of the code are deleted and section 51.1.1 of chapter 51 of the code is amended to read as follows:
51.1.1 Application. Industrial ovens and furnaces shall comply with this chapter and the applicable provisions of NFPA 86, standard for ovens and furnaces; NFPA 86c, standard for industrial furnaces using a special processing atmosphere; and NFPA 86D, standard for industrial furnaces using vacuum as an atmosphere as they relate to operation and maintenance only.Mich. Admin. Code R. 29.1691