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Construction Codes
The City of Federal Way uses the following construction codes:

  • Federal Way Revised Code
    The city code contains local amendments to the state adopted codes, as well as additional administrative procedures.
  • International Building Code (IBC), 2012 edition, including Appendices E and J 
       Washington State Amendments, WAC 51-50 and RCW 19.27 & 70.92
    • Accessibility Code ICC/ANSI A117.1-2009
  • International Residential Code (IRC), 2012 edition, including Appendices H & J and excluding chapters 11 and 25 through 43
       Washington State Amendments, WAC 51-11R, 51-56 and 296-46B
  • International Mechanical Code (IMC), 2012 edition
       Washington State Amendments, WAC 51-52 and RCW 19.27
  • International Fire Code (IFC), 2012 edition, including Appendices B, C, E, F, and I
       Washington State Amendments, WAC 51-54A and RCW 19.27
  • National Electric Code (NEC), 2008 edition
       Washington State Amendments, WAC 296-43, 296-45 & 296-46B and RCW 19.28
  • Uniform Plumbing Code (UPC), 2012 edition, excluding chapters 12 and 15
        Washington State Amendments, WAC 51-56 and RCW 19.27
  • International Energy Conservation Code, 2012 edition
        Washington State Amendments, WAC 51-11R & 51-11C and RCW 19.27
  • International Property Maintenance Code, 2012 edition


    Note: Washington State Amendments are effective July 1, 2013

Climatic and Geographic Design Criteria