CTUIR Adopted Building Codes

CTUIR Adopted Building Codes

The Tribal Planning Office reviews and inspects all proposed projects for adherence to the following codes:

  • 2018 International Building Code
  • 2018 International Fire Code
  • 2018 International Plumbing Code
  • 2018 International Mechanical Code
  • 2018 National Electric Code
  • 2018 International Residential Code
  • 2018 International Fuel Gas Code
  • 2010 Oregon Manufactured Dwelling Installation Specialty Code
  • Oregon Energy Efficiency Specialty Code
  • NFPA 13:  Standard for the Installation of Fire Sprinkler Systems
  • NFPA 101:  Life Safety Code

CTUIR supplements to the International Building Code include:

  • Wind standard:
    • Prescriptive Residential: 105 mph 3 second gust, wind speed 90mph; exposure B or C
    • Engineered Designs/Commercial Wind Standard: Wind Speed based on attached Map & Building Risk Category, designed in accordance with ASCE 7 (2010)*
  • Snow load standard: 25 pounds per square foot for roof
  • Frost depth standard: 24 inches
  • Earthquake design data shall be shown as indicated in Sec. 1603.1.5 IBC.
  • Building envelopes, heating and cooling ducts shall meet the requirements of the Oregon Department of Energy Conservation Code. The reservation land is in Climate Zone 2.
  • Parking spaces shall be constructed to the Oregon Department of Transportation Disabled Parking Standards.
  • Mobile homes shall be set up and installed to the requirements of the current Oregon Manufactured Dwelling and Parks Specialty Code.
  • In residential dwellings constructed under the International Residential Code, Automatic Fire Sprinkler Systems (IRC Section R313) shall not be required.
  • For residential dwellings, the 2008 IRC braced wall method may be used as an alternate to the new braced wall method.*