Land Use and Development
Rules & Regulations
Content DescriptionThe 2024 International Codes (I-Codes ) have undergone substantial formatting changes as part of the digital transformation strategy of the International Code Council (ICC ) to improve the user experience. The changes, promoting a cleaner, more modern look and enhancing readability and sustainability, include: Single column text format and modernized font styles improves readability QR Codes replace vertical margin sidebars and arrows to identify code changes more accurately Shading for table headers and notes improves locating tables and applicable notes Grouping of associated content brings tables and figures immediately after the parent section Users have capability to validate authenticity of their book and register it with the ICC to receive incentives. The International Mechanical Code (IMC ) establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new and innovative materials, methods and design. For the most current adoptions details go to International Code Adoptions. Important changes in the 2024 IMC include: Provisions prohibiting the use of domestic ductless range hoods in Groups I-1 and I-2 were removed. An identification requirement was added for Group A2L and B2L refrigerants. The requirements for machinery rooms containing Group A2L refrigerants were changed and Group B2L refrigerants were added to the provisions. Limits for the use of Group A1 and A2L refrigerants changed in high probability systems used for human comfort, unless permitted as excepted. UL 2158A Standard was added to the requirements for commercial dryer exhaust. Ventilation requirements for outpatient healthcare facilities to match the requirements in ASHRAE 62.1-2019. Addition of a new minimum landing at the roof hatch for personnel to safely use the hatch when accessing the roof for repair and maintenance. Addition of a new testing option for grease ductwork. Requirements for steam baths were added. A new standard requirement for refrigeration systems containing carbon dioxide was added.
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The International Code Council is a member-focused association dedicated to helping the building safety community and construction industry provide safe, sustainable and affordable construction through the development of codes and standards used in the design, build and compliance process. Most U.S. communities and many global markets choose the International Codes. The International Codes, or I-Codes, published by ICC, provide minimum safeguards for people at home, at school and in the workplace. The I-Codes are a complete set of comprehensive, coordinated building safety and fire prevention codes. Building codes benefit public safety and support the industry’s need for one set of codes without regional limitations. Fifty states and the District of Columbia have adopted the I-Codes at the state or jurisdictional level. Federal agencies including the Architect of the Capitol, General Services Administration, National Park Service, Department of State, U.S. Forest Service and the Veterans Administration also enforce the I-Codes. The Department of Defense references the International Building Code for constructing military facilities, including those that house U.S. troops, domestically and abroad. Puerto Rico and the U.S. Virgin Islands enforce one or more of the I-Codes. The International Code Council (ICC) is a nonprofit membership association dedicated to protecting the health, safety, and welfare of people by creating better buildings and safer communities. The mission of ICC is to provide the highest quality codes, standards, products and services for all concerned with the safety and performance of the built environment. ICC is the publisher of the family of the International Codes® (I-Codes®), a single set of comprehensive and coordinated model codes. This unified approach to building codes enhances safety, efficiency and affordability in the construction of buildings.
US LOCAL CODES
US Territory Code Adoptions / Amendments
US State Code Adoptions / Amendments