Codebook history

A history of the adopted codes and standards

Commercial structures

Previous versions available online

2014 Oregon Structural Specialty Code (OSSC) - Effective July, 1, 2014 - Jan. 1, 2020

Emergency responder radio coverage amendments | June 7, 2019
Aviation hangar fire suppression amendments | June 2019
Exit access doorways for equipment rooms with boilers amendments | October 2018
Reference to ASME B31.3 pressure piping repeal | August 2018
Appendix N - New construction provisions amendments | January 2018
Low frequency smoke and CO alarms amendments | February 2016
Separate facilities, panic hardware, solar integration, etc. amendments | April 2015
Accessible parking spaces and sign design errata | November 2018
Dining and drinking areas errata | August 2015
Radon control methods errata | June 2015
Chapter 11 figures, etc. errata | October 2014

2010 Oregon Structural Specialty Code (OSSC) - Effective July 1, 2010 - Sept. 30, 2014

Adopted model code history

International Building Code (IBC)

2019 OSSC - 2018 IBC - Effective Oct. 1, 2019
2014 OSSC - 2012 IBC - Effective July 1, 2014
2010 OSSC - 2009 IBC - Effective July 1, 2010
2007 OSSC - 2006 IBC - Effective April 1, 2007
2004 OSSC - 2003 IBC - Effective Oct. 1, 2004

Uniform Building Code (UBC)

1998 OSSC - 1997 UBC - Effective Oct. 1, 1998
1996 OSSC - 1994 UBC - Effective April 1, 1996
1993 OSSC - 1991 UBC - Effective Jan. 1, 1993
1990 OSSC - 1988 UBC - Effective Jan. 1, 1990
1986 OSSC - 1985 UBC - Effective July 1, 1986
1983 OSSC - 1982 UBC - Effective Aug. 1, 1983
1980 OSSC - 1979 UBC - Effective July 1, 1980
1978 OSSC - 1976 UBC - Effective March 1, 1978
1974 OSSC - 1973 UBC - Effective July 1, 1974

Electrical

Previous versions available online

2014 Oregon Electrical Specialty Code (OESC) - Effective Oct. 1, 2014 | Amendments Summary

2011 Oregon Electrical Specialty Code (OESC) - Effective April 1, 2011 | Amendments Summary

2008 Oregon Electrical Specialty Code (OESC) - Effective April 1, 2008

Adopted model codes

NFPA 70, National Electrical Code (NEC)

2017 OESC / NEC - Effective Oct. 1, 2017
2014 OESC / NEC - Effective Oct. 1, 2014
2011 OESC / NEC - Effective April 1, 2011
2008 OESC / NEC - Effective April 1, 2008
2005 OESC / NEC - Effective April 1, 2005
2002 OESC / NEC - Effective Oct. 1, 2002
1999 OESC / NEC - Effective April 1, 2000
1996 OESC / NEC - Effective Oct. 1, 1996
1993 OESC / NEC - Effective July 1, 1993
1990 OESC / NEC - Effective July 1, 1990
1987 OESC / NEC - Effective May 1, 1987
1984 OESC / NEC - Effective July 1, 1984
1981 OESC / NEC - Effective Oct. 1, 1981
1978 OESC / NEC - Effective Jan. 1, 1978
1975 OESC / NEC - Effective July 1, 1975
1971 OESC / NEC - Effective May 1, 1972 (est.)
1968 OESC / NEC - Effective Jan. 1, 1969

Energy

Previous versions available online

2014 Oregon Energy Efficiency Specialty Code (OEESC) - Effective July 1, 2014 - Dec. 31, 2019

Chapter 2 and Table 503 errata | May 2015

2010 Oregon Energy Efficiency Specialty Code (OEESC) - Effective July 1, 2010

Adopted model codes

ASHRAE Standard 90.1

2019 OZERCC: Part I Commercial construction - ASHRAE Standard 90.1-2016 - Effective Oct. 1, 2019

International Energy Conservation Code (IECC)

2019 OZERCC: Part II Multi-family construction - 2018 (IECC) - Effective Oct. 1, 2019
2014 OEESC - 2009 (IECC) - Effective July 1, 2014
2010 OEESC - 2009 (IECC) - Effective July 1, 2010

Mechanical

Previous versions available online

2014 Oregon Mechanical Specialty Code - Effective July 1, 2014

2010 Oregon Mechanical Specialty Code - Effective July 1, 2010

Adopted model codes

International Mechanical Code (IMC)

2019 OMSC - 2018 IMC - Effective Oct. 1, 2019
2014 OMSC - 2012 IMC - Effective July 1, 2014
2010 OMSC - 2009 IMC - Effective July 1, 2010
2007 OMSC - 2006 IMC - Effective April 1, 2007
2004 OMSC - 2003 IMC - Effective Oct. 1, 2004
2002 OMSC - 2000 IMC - Effective Oct. 1, 2002
2000 OMSC - 1998 IMC - Effective Oct. 1, 1999

Uniform Mechanical Code (UMC)

1996 OMSC - 1994 UMC - Effective April 1, 1996
1993 OMSC - 1991 UMC - Effective Jan. 1, 1993
1990 OMSC - 1988 UMC - Effective Jan. 1, 1990
1986 OMSC - 1985 UMC - Effective May 1, 1986
1983 OMSC - 1982 UMC - Effective Aug. 1, 1983
1980 OMSC - 1979 UMC - Effective July 1, 1980
1978 OMSC - 1976 UMC - Effective March 1, 1978
1974 OMSC - 1973 UMC - Effective July 1, 1974

Plumbing

Previous versions available online

2014 Oregon Plumbing Specialty Code (OPSC)

Summary of Oregon amendments - Effective Oct. 1, 2014
OPSC errata - Issued November 2015
OPSC errata - Issued December 2014

2011 Oregon Plumbing Specialty Code (OPSC)

Adopted model codes

Uniform Plumbing Code (UPC)

2017 OPSC - 2015 UPC - Effective Oct. 1, 2017
2014 OPSC - 2009 UPC - Effective Oct. 1, 2014
2011 OPSC - 2009 UPC - Effective April 1, 2011
2008 OPSC - 2006 UPC - Effective April 1, 2008
2003 OPSC - 2003 UPC - Effective April 1, 2005
2000 OPSC - 1997 UPC - Effective April 1, 2000
1996 OPSC - 1994 UPC - Effective April 1, 1996
1992 OPSC - 1991 UPC - Effective Feb. 1, 1992
1990 OPSC - 1988 UPC - Effective Jan. 1, 1990
1987 OPSC - 1985 UPC - Effective Jan. 1, 1987
1984 OPSC - 1979 UPC - Effective Oct. 13, 1984
1981 OPSC - 1979 UPC - Effective July 1, 1981
1978 OPSC - 1976 UPC - Effective Jan. 1, 1978
1975 OPSC - 1973 UPC - Effective Feb. 1, 1975

Residential structures

Previous versions available online

2014 Oregon Residential Specialty Code - Effective Oct. 1, 2014 to Jan. 1, 2018

Gas pipe separation amendments - Effective Feb. 1, 2016
R325 and solar provision amendments - Effective April 1, 2015
ORSC adopted amendment insert pages - Effective Oct. 1, 2014

2011 Oregon Residential Specialty Code - Effective July 1, 2011 to Jan. 1, 2014

Errata - Issued November 2011
Appendix N amendments and errata - Issued July 2011

2008 Oregon Residential Specialty Code - Effective April 1, 2008 to Oct. 1, 2011

Adopted model codes

International Residential Code (IRC)

2017 ORSC - 2015 (IRC) - Effective Oct. 1, 2017
2014 ORSC - 2009 (IRC) - Effective Oct. 1, 2014
2011 ORSC - 2009 (IRC) - Effective July 1, 2011
2008 ORSC - 2006 (IRC) - Effective April 1, 2008
2005 ORSC - 2003 (IRC) - Effective April 1, 2005
2003 ORSC - 2000 (IRC) - Effective April 1, 2003

Council of American Building Officials (CABO)

1998 - (Int. 1 & 2) - Effective April 1, 2000
1995 CABO - Effective April 1, 1996
1992 CABO - Effective April 1, 1995
1992 CABO - Effective May 1, 1993
1989 CABO - Effective April 1, 1990
1986 CABO - Not adopted
1983 CABO - Effective May 1, 1986