ZERO CARBON BUILDING DESIGN STANDARD VERSION 3 Canada Green Building Council ® n Ju 22 0 e2 Copyright © Canada Green Building Council (CAGBC), 2022. 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 Building TM is a trademark of the Canada Green Building Council (CAGBC). Zero Carbon Building – Design Standard Version 3 ISBN: 978-1-7781454-1-4 Cover image: Centennial College, rendering by ATCHAIN Renderings, courtesy of DIALOG. 3 CAGBC | Zero Carbon Building – Design Standard Version 3 | June 2022 TABLE OF CONTENTS INTRODUCTION.............................................................................................................................................................................. 7 OVERVIEW..................................................................................................................................................................................... 12 Eligibility.................................................................................................................................................................................... 13 Scope ....................................................................................................................................................................................... 14 Required Documentation.......................................................................................................................................................... 15 CARBON........................................................................................................................................................................................ 16 Embodied Carbon .................................................................................................................................................................... 19 Resources ........................................................................................................................................................................... 23 Operational Carbon .................................................................................................................................................................. 25 Direct Emissions ................................................................................................................................................................. 25 Indirect Emissions............................................................................................................................................................... 27 Resources ........................................................................................................................................................................... 31 Avoided Emissions ................................................................................................................................................................... 32 Avoided Emissions from Exported Green Power................................................................................................................ 32 Avoided Emissions from Carbon Offsets ............................................................................................................................ 33 Resources ........................................................................................................................................................................... 34 Onsite Combustions .........................................