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The Massachusetts Building Code for One- and Two-Family Dwellings is a fully integrated, custom code based on the 2003 International Residential Code.
The code comes complete with a set of index tabs and a CD-ROM which contains the code in a PDF format. Also included on the CD-ROM is the 2003 IRC Checklist and the Residential Inspector's Guide: Based on the 2003 IRC, in both PDF and RTF formats.
From the Foreword
Seventh Edition, Massachusetts Building Code for One- and Two-Family Dwellings (780 CMR)
The Seventh Edition, Massachusetts Building Code (780 CMR) consists of two volumes; one volume addressing all building uses except one- and two-family detached dwellings and a second volume addressing only one- and two-family dwellings.
The Seventh Edition, Massachusetts Basic Building Code (780 CMR) volume addressing all building uses except one- and two-family detached buildings is based on the ICC 2003 International Building Code (IBC-2003) with significant Massachusetts modifications.
The Seventh Edition, Massachusetts Basic Building Code (780 CMR) volume addressing only one- and two-family detached buildings is based on the ICC 2003 International Residential Code (IRC-2003) with significant Massachusetts modifications.
The chapters of the two-volume building code set are numbered consecutively from 1 to 120, with Chapters 1-50 being dedicated to that volume of the building code addressing all building uses except one- and two-family detached buildings and Chapters 51-99 dedicated to that code volume addressing only one- and two-family detached dwellings.
Chapter 100 and Regulations 110.R-1 through 110.R-6 (Chapter 110) and Appendices 120.A through 120.Z (Chapter 120) are shared with both volumes of the Seventh Edition, Massachusetts Building Code (780 CMR).
Chapter 100 is the Referenced Standards chapter; Regulations 110.R-1 through 110.R-7 address, with modification, the same subjects as the Sixth Edition, Massachusetts State Building Code address in its Regulations Section (R-1 through R-6). Appendixes 120.A through 120.Z address, with modification, most subjects addressed in the Sixth Edition, Massachusetts State Building Code (most of the Sixth Edition Appendices A-K, redefined alphabetically) but with additional appendices acquired as a result of utilizing the ICC IBC and IRC as the bases for the Seventh Edition, Massachusetts Building Code (780 CMR).
Where Massachusetts requirements are different than requirements of the baseline IBC-2003 and IRC-2003, every effort has been made to identify such differences using bold and italicized print or in the case of entire chapters unique to Massachusetts simply so identifying such at the beginning of the chapter, but because Massachusetts does not just adopt unaltered versions of the IBC and IRC the reader is cautioned to always utilize the Massachusetts State Building Code (780 CMR) when designing and constructing/reconstructing buildings and structures in Massachusetts.
The Seventh Edition, Massachusetts Building Code (780 CMR), being a two-volume code, will be implemented in stages, with the Seventh Edition Massachusetts Building Code for One- and Two-Family Dwellings (780 CMR) being implemented first.
As the Seventh Edition, Massachusetts Building Code (780 CMR) volume addressing all building uses except one- and two-family uses is in final development as of August 1, 2006, the Building Code for all building uses except one- and two-family detached buildings will remain the Sixth Edition, Massachusetts State Building Code until further notice.
In recognition of the time periods involved in the planning, design and construction of buildings and building-related projects, and in order to effect an orderly and equitable transition between the sixth and seventh editions, the State Board of Building Regulations and Standards will implement a policy regarding continued use of the current Sixth Edition, Massachusetts State Building Code while the new Seventh Edition, Massachusetts Building Code for One- and Two-Family Dwellings (780 CMR) is also implemented (please refer to the Department of Public Safety/Board of Building Regulations and Standards web page for such guidance - www.mass.gov/DPS.) |
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