Michigan Administrative Code
Department - Licensing and Regulatory Affairs
Bureau of Fire Services
Storage and Handling of Gaseous and Liquefied Hydrogen Systems
Part 2 - STORAGE AND HANDLING OF GASEOUS HYDROGEN NFPA 50A
Chapter 4 - Design considerations at specific locations
Section R. 29.7042 - Canopies
Current through Vol. 24-16, September 15, 2024
Rule 42. Sections 4-5 to 4-5.2 of the storage and handling of gaseous and Liquefied H2 code are added as follows:
4-5 Canopies.
4-5.1 A container installation that has a canopy or roof shall have prior approval by the department based on the best interests of public health, safety, and welfare and the environment. This canopy or roof shall not limit the dissipation of heat or dispersion of flammable vapors and cannot restrict firefighting access and control.
4-5.2 A roof or canopy must meet all of the following conditions:
(a) The lowest elevation of the roof or canopy shall not be less than 4 feet (1.8 meters) from the top of the container.
(b) All container vent(s) are extended through the roof or canopy.
(c) The roof or canopy is constructed in such a way that it will not allow vapors to accumulate under the canopy or roof.
(d) Be constructed of noncombustible materials
