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Carrollton City Council Adopts New 2018 International Construction Codes

Post Date:01/23/2019 5:45 PM

The Carrollton City Council voted to adopt new construction codes recommended by the 2018 International Code Council (ICC) at a November 2018 meeting. The ICC is a member-focused association that develops model codes and standards used in safe construction.

“The consistent review and adoption of updated construction codes ensures and enhances the sustainability of the built environment for the City of Carrollton,” Building Official Brett King said. “New codes allow for the introduction of technological advancements in building materials and construction methodology and maintain a level of health, safety, and welfare for our citizens by creating safe buildings and communities.”

The new codes went into effect January 1 and address the following:

International Building Code (IBC)

  • Storm shelters, which were a new requirement for schools in the 2015 IBC, now have provisions clarifying the occupant load that shelters must serve and the shelter’s location.

International Residential Code (IRC)

  • The townhouse separation provisions now include options for using either two separate fire-resistant-rated walls or a common wall.
  • New tables address alternative wood stud heights and the required number of full height studs in high wind areas.

International Fire Code (IFC)

  • Required sprinkler protection of Group E occupancies (schools and day care centers up to the 12th grade) has been expanded through the introduction of new thresholds related to fire areas.
  • New provisions require illumination for the exit path of travel from a building to the public way or to a safe dispersal area for all occupancies.

International Plumbing Code (IPC)

  • Table for the Minimum Number of Required Plumbing Fixtures has been updated.
  • Solar thermal water heating systems need to conform to the ICC 900/SRCC 300 standard.

International Mechanical Code (IMC)

  • Added coverage of pollution control units
  • A new exception was added to recognize Type I kitchen hoods listed for clearances to combustibles of less than 18 inches.

International Energy Conservation Code (IECC)

  • Revisions were made to interior and exterior lighting power budgets, adding better clarity for lighting controls.
  • Clarity was added in that System commissioning is required, regardless of design methodology.

International Existing Building Code (IEBC)

  • Where storm shelters are required based on IBC and ICC 500 for Group E Occupancies (schools), any addition to such existing occupancies where the occupant load is increased 50 or more will require the construction of a storm shelter.

International Swimming Pool and Spa Code (ISPSC is a code newly published in 2015.)

  • Hot water storage tanks are now required to be listed and labeled to a standard.
  • New sections were introduced into the code to cover solar thermal water heating systems.

The International Building Code (IBC) addresses the design and installation of innovative materials that meet or exceed public health and safety goals and is the foundation of a complete family of international I-codes published by the ICC.

“The City of Carrollton works hard to ensure that our building codes are keeping up with modern construction trends and techniques, improving building safety, and keeping the City competitive in the marketplace,” Marc Guy Assistant City Manager for Public Safety and Development Services said.

For more information on Carrollton’s planning and building inspection services, contact Building Inspection at 972-466-3225 or visit

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