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Code Books/Codes In Effect

A list of buiding codes accepted by the State of Oregon Building Codes Division.

2011 Oregon Residential Specialty Code (ORSC)
Effective: July 1, 2011
The ORSC is based on the 2006 International Residential Specialty Code, with substantial Oregon amendments and energy conservation requirements changed all together. (IRC chapters 25-42 are not adopted.) See ORSC chapter 43 for referenced standards: NFPA 13D-07, NFPA 13R-07, etc.

2010 Oregon Structural Specialty Code (OSSC)
Effective: July 1, 2010
The OSSC is based on the 2009 International Building Code with Oregon amendments. See OSSC chapter 35 for referenced standards: NSPA 13-07 etc.

2010 Oregon Energy Efficiency Specialty Code (OEESC)
Effective: July 1, 2010
The OEESC is based on the 2009 International Energy Conservation Code with Oregon amendments. The OEESC replaces OSSC chapter 13.

2010 Oregon Mechanical Specialty Code (OMSC)
Effective: July 1, 2010
The OMSC is based on the 2009 International Mechanical Code and the 2009 International Fuel Gas Code with Oregon amendments.

2011 Oregon Plumbing Specialty Code (OPSC)
Effective: April 1, 2011
The OPSC is based on the 2006 Uniform Plumbing Code with Oregon amendments.

2011 Oregon Electrical Specialty Code (OESP)
Effective: April 1, 2011
The OESP is based on the 2011 edition of NFPA 70, National Electrical Code with Oregon amendments.

2002 Oregon Manufactured Dwelling and Park Specialty Code (MD&P)
Effective: April 1, 2002
The requirements for manufactured dwelling Park construction can still be found in the MD&P. However, installation requirements for manufactured dwellings are now contained in the new 2010 Oregon Manufactured Dwelling Installation Specialty Code (MDISC).

2010 Oregon Manufactured Dwelling Installation Specialty Code (MDISC)
Effective: April 1, 2010
The requirements found in the 2010 MDISC for the installation of manufactured dwellings replace the requirements previously found in the 2002 MD&P. The requirements in the 2002 MD&P will remain in effect for manufactured dwelling park construction.

2010 Oregon Solar Installation Specialty Code (OSISC)
Effective: October 1, 2010
This code was specifically developed for Oregon by the Building Codes Division to be administered consistently with Oregon’s other building codes.

2010 Oregon Fire Code (OFC)
Effective: July 1, 2010
The OFC is based on the 2009 International Fire Code with Oregon amendments.

To view (read only) current codes adopted by the State, visit the State of Oregon Building Codes Division web site.

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