B100. APPENDIX B [ASHRAE 90.1] – BUILDING ENVELOPE CLIMATE CRITERIA

NORMATIVE APPENDIX B Normative Appendix B in ASHRAE 90.1, BUILDING ENVELOPE CLIMATE CRITERIA, is adopted in the District of Columbia as Normative Appendix B in the Energy Conservation Code-Commercial Provisions with the following amendments: Revise the list of U.S. Climate Zones in Normative Appendix B in ASHRAE 90.1 to delete the names of all U.S. States with the exception of the District of Columbia. Strike the Table titled “Canadian Climatic Zones” in Normative Appendix B in ASHRAE 90.1 in its entirety without substitution. Strike Tables B1-3 and B1-4 in Normative Appendix B in ASHRAE 90.1 in their entirety without substitution. SOURCE: Final Rulemaking published at 67 DCR 6326 (May 29, 2020 – Part 2). The District of Columbia Energy Conservation Code (2017), referred to as the “Energy Conservation Code,” consists of ANSI/ASHRAE/IES 90.1-2013, Energy Standard for Buildings Except Low-Rise Residential Buildings (ASHRAE 90.1) and substantial portions of Chapter 7 of ANSI/ASHREA/IES 189.1-2014, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings (ASHRAE 189.1), published by the American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE), and the Residential Provisions of the 2015 edition of the International Energy Conservation Code (International Energy Conservation Code), published by the International Code Council (ICC), as amended by the Energy Conservation Code Supplement of 2017 – Commercial Provisions (12-I[CE] DCMR) and the Energy Conservation Code Supplement of 2017 – Residential Provisions (12-I[RE] DCMR). The International Energy Conservation Code is copyrighted by the ICC and therefore is not republished here. However, a copy of the text may be obtained at: https://codes.iccsafe.org/public/document/IECC2015. ASHRAE 90.1 is copyrighted by ASHRAE and therefore is not republished here. However, the text of ASHRAE 90.1 may be reviewed at: https://www.ashrae.org/standards-research--technology. Portions of Chapter 7 of ASHRAE 189.1 are reprinted in the District of Columbia Energy Conservation Code Supplement by permission of ASHRAE and ICC. District of Columbia Municipal Regulations Energy Conservation Code Supplement of 2017 – Commercial Provisions 12-I[CE] DCMR Appendix B