《零碳建筑标准2.0版》加拿大绿色建筑委员会

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ZERO CARBON BUILDING DESIGN STANDARD VERSION 2 Canada Green Building Council ® July 2021 Copyright © Canada Green Building Council (CaGBC), 2020. These materials may be reproduced in whole or in part without charge or written permission, provided that appropriate source acknowledgements are made and that no changes are made to the contents. All other rights are reserved. The analyses/views in these materials are those of CaGBC, but these analyses/views do not necessarily reflect those of CaGBC’s affiliates including supporters, funders, members, and other participants or any endorsement by CaGBC’s affiliates. These materials are provided on an “as is” basis, and neither CaGBC nor its affiliates guarantee any parts or aspects of these materials. CaGBC and its affiliates are not liable (either directly or indirectly) nor accept any legal responsibility for any issues that may be related to relying on the materials (including any consequences from using/applying the materials’ contents). Each user is solely responsible, at the user’s own risk, for any issues arising from any use or application of the materials’ contents. TRADEMARK Zero Carbon BuildingTM is a trademark of the Canada Green Building Council (CaGBC). Zero Carbon Building – Design Standard Version 2 ISBN: 978-0-9813298-4-0 3 CaGBC | Zero Carbon Building – Design Standard Version 2 | July 2021 TABLE OF CONTENTS INTRODUCTION.............................................................................................................................................................................. 7 OVERVIEW ..................................................................................................................................................................................... 10 Eligibility .................................................................................................................................................................................... 11 Scope ....................................................................................................................................................................................... 12 Required Documentation .......................................................................................................................................................... 12 CARBON REQUIREMENTS .......................................................................................................................................................... 13 Embodied Carbon .................................................................................................................................................................... 15 Resources ........................................................................................................................................................................... 18 Operational Carbon .................................................................................................................................................................. 19 Direct Emissions ................................................................................................................................................................. 19 Indirect Emissions ............................................................................................................................................................... 21 Resources ........................................................................................................................................................................... 24 Avoided Emissions ................................................................................................................................................................... 25 Avoided Emissions from Exported Green Power ................................................................................................................ 25 Avoided Emissions from Carbon Offsets ............................................................................................................................ 25 Resources ........................................................................................................................................................................... 26 Zero Carbon Transition Plan ..................................................................................................................................................... 27 ENERGY REQUIREMENTS .......................................................................................................................................................... 28 Thermal Energy Demand Intensity ............................................................................................................................................ 29 Resources ........................................................................................................................................................................... 32 Energy Use Intensity ................................................................................................................................................................. 35 Resources ........................................................................................................................................................................... 35 Peak Demand ........................................................................................................................................................................... 37 Resources ........................................................................................................................................................................... 37 Modelling and Design Considerations ...................................................................................................................................... 39 Airtightness ......................................................................................................................................................................... 39 Future Weather .................................................................................................................................................................... 39 Resources ........................................................................................................................................................................... 40 IMPACT & INNOVATION REQUIREMENTS ................................................................................................................................. 41 Resources ........................................................................................................................................................................... 42 GLOSSARY .................................................................................................................................................................................... 44 ACRONYMS .................................................................................................................................................................................. 46 APPENDIX I – Requirements for Bundled Green Power Products that are not ECOLOGO or Green-e Certified ................ 47 APPENDIX II – Embodied Carbon Requirements for Baseline Buildings ................................................................................. 48 APPENDIX III – Summary of Addenda Changes......................................................................................................................... 49 4 CaGBC | Zero Carbon Building – Design Standard Version 2 | July 2021 DEVELOPMENT PROCESS AND ACKNOWLEDGEMENTS The Zero Carbon Building – Design Standard Version 2 (ZCB-Design v2) was produced through extensive consultation with experts and stakeholders across the country over a two-year period. Updates to the Standard were developed using the following guiding principles, established by the Zero Carbon Steering Committee