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  • About Us
    • MIAM >
      • Officers
      • MIAM Meeting Minutes
    • MMIA >
      • Officers
      • Meeting Minutes
    • Members
    • Sponsors >
      • Sponsor Listing
      • Sponsor Us
  • Education
    • Certificates
    • Virtual Classes for 2021-2024
    • MIAM Classes >
      • 2023 Joint MIAM/PIAM Conference
      • Course Material 2015-2018
    • MMIA Classes >
      • 06-15-23 MMIA Class
      • 07-07-23 MMIA Class
      • Course Material 2015-2018
    • Non-Credit Info Videos
    • Class List
  • News & Alerts
    • New LARA Re-Registration Rules
    • Fire Protection Friday
    • Code Compliance Alerts
    • MIACCA Meetings
    • E-Bike & Scooter Safety
    • ​ANSI Z21.47
  • Jobs
    • Job Openings
    • Looking for Work
  • 2023 Dues
  • Join Us
    • Become a Member
    • Become an Inspector
  • Contact Info
  • Legislation
    • Skilled Trades Rules
    • PA 407
    • Energy Code Rules
    • MI Energy Code
    • ANSI Z21.47
    • MI Admin Rules
    • HB 5055
    • 2021 PA 0068
    • MI Residential Code
    • 2015 MI Mech Code
    • Medical Marijuana
    • 2023 DOE Minimum Efficiency
  • Links

Michigan residential Code

Michigan's Department of Licensing and Regulatory Affairs (LARA) has posted a document titled 2015 Michigan Residential Code Errors and Conflicts ,which includes its resolution of a conflict regarding the use of building framing cavities for plenums.  In summary, the resolution states:

"The Michigan Residential Code (MRC) Sections N1103.2.3 and M1601.1.1 conflict regarding the use of building framing cavities for plenums.  The conflict is resolved in favor of M1601.1.1 as MRC Section M1601 is the definitive section on duct construction.  This decision is based on MRC Section R102.1 (Where there is a conflict between a general requirement and a specific requirement, the specific requirement shall be applicable.) and that Section N1103.2.3 has not been shown to meet the definition of cost effective."
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