Section R. 29.1670 - Aircraft hangersRule 20. Sections 21.1.1, 21.2.2.1, 21.2.3.1, 21.2.3.3, 21.2.3.4, 21.2.3.5, 21.2.3.5.1, 21.2.3.5.2, 21.2.3.5.3, 21.2.3.5.3.1, 21.2.3.5.3.1.1, 21.2.3.5.3.1.2, 21.2.3.5.3.1.3, 21.2.3.5.3.2, 21.2.4, 21.2.4.1, 21.2.4.2, 21.2.4.3, 21.2.4.4, 21.2.5, 21.2.6, 21.2.6.1, 21.2.6.2, 21.2.6.2.1, 21.2.6.2.2, 21.2.6.2.3, 21.2.6.2.4, 21.2.6.3, 21.2.6.3.1, 21.2.6.3.2, 21.2.6.3.3, 21.2.6.4, 21.2.6.5, 21.2.6.5.1, 21.2.6.5.2, 21.3, 21.3.1, 21.3.1.1, 21.3.1.2, 21.3.2, 21.3.2.1, 21.3.3.1, 21.3.3.4, 21.3.3.6, 21.3.3.6.1, 21.3.3.6.2, 21.3.4, 21.3.4.1, 21.3.4.2, 21.3.4.3, 21.3.4.4, 21.3.4.4.1, 21.3.4.4.2, 21.3.5, 21.3.6, 21.3.6.1, 21.3.6.2, 21.3.6.3, 21.3.6.4, 21.3.6.4.1, 21.3.6.4.2, 21.3.6.4.3, 21.3.6.5, 21.3.6.6, 21.3.6.7, 21.3.6.8 and 21.3.6.9 of chapter 21 of the code are deleted and sections 21.1, 21.3.3.2.1 and 21.3.3.2.3 of chapter 21 of the code are amended to read as follows: 21.1 Hangars. The protection of aircraft hangars from fire shall comply with this section; NFPA 409, standard on aircraft hangars; NFPA 410, standard on aircraft maintenance; and section 40.6 and section 42.6 of NFPA 101 as they relate to operation and maintenance. 21.3 Deleted. 21.3.2 Deleted. 21.3.3.1 Deleted. 21.3.3.2.1 Storage, handling, and use of flammable and combustible liquids shall be in accordance with rules promulgated under the act 21.3.3.2.3 Aboveground flammable liquid storage tanks, compressed gas storage tanks, and liquefied gas storage tanks shall be in compliance with rules promulgated under the act 21.3.3.4 Deleted.Mich. Admin. Code R. 29.1670