2011 Ohio Building Code (OBC)

Intro/Brief: 

Commercial Code: The 2011 Ohio Building Code is based on the 2009 IECC and its reference to ASHRAE Standard 90.1-2007. 

Residential Code: See 2013 Residential Code of Ohio

TEXT: 2011 Ohio Building Code 

Citation: Ohio Revised Code 4101:1-13-01 (Energy efficiency)

Application: Mandatory statewide for the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance, removal and demolition of buildings under its purview. The OBC is generally applicable to construction that is not detached one-, two-, or three-family dwellings. See OBC Section 101 and OBC Section 310 for more details.

Approximate Efficiency: As efficient as Chapter 5 of the 2009 IECCand ASHRAE Standard 90.1-2007.

Effective Date: November 1, 2011

Approved Compliance Tools: COMcheck

Background:  On March 7, 2011, the Ohio legislature’s Joint Committee on Agency Rule Review (JCARR) approved a January 21, 2011 BBS recommendation to update the state’s nonresidential energy standards. The Ohio Board of Building Standards (BBS) set a November 1, 2011 effective date for the code updates to the Ohio Building Code, Ohio Mechanical Code and the Ohio Plumbing Code.

Part D of Amendments Group LXXXIII (see items 14-21) would update the Ohio Building Code (OBC) to incorporate the 2009 International Building Code (IBC), including its references to the 2009 IECC and ASHRAE 90.1-2007 as compliances paths for energy efficiency for non-residential buildings (see page D-622, rule number 4101:1-13-01). 

More Information: BBS | JCARR | Amendment Group LXXXIII, Part D

Information last updated August 13, 2012

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Back to Ohio Main Page

Based on: 
Mandatory
Date Passed: 
Monday, March 7, 2011
Date Effective: 
Tuesday, November 1, 2011
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