ISO INTERNATIONAL STANDARD 21928-2 First edition 2023-04 Sustainability in buildings and civil engineering works Sustainability indicators Part 2: Framework for the development of indicators for civil engineering works Reference number ISO 21928-2:2023(E) ISO IS02023 IS0 21928-2:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on or IsoO's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2023 - All rights reserved IS0 21928-2:2023(E) @ Contents Page Foreword. .. Introduction. vi 1 Scope. .1 2 Normative references .1 3 Terms and definitions. .2 4 General rules for sustainability indicators development and its framework ..8 4.1 General ..8 4.2 Life cycle approach 4.3 Area of influence. 10 4.4 Civil engineering works typologies 11 4.5 General principles and relationship to other relevant standards. 11 4.5.1 Generalprinciplesandprocedures 11 4.5.2 IS0 15392 - General principles of sustainability in building construction 12 4.5.3 IS014000 - Management systems standards 12 4.5.4 IS026000 - Social responsibility standard 12 4.6 Requirements for the development of indicators.. .13 4.7 Framework of sustainability indicators . 14 4.7.1 General 14 4.7.2 Issues for the development of environmental indicators 15 4.7.3 Issues for the development of social indicators. 16 4.7.4 Issuesforthedevelopmentofeconomicindicators 17 5 Set of aspects and impacts. .17 5.1 General. 17 5.2 Description of environmental aspects and impacts 18 5.2.1 General 18 5.2.2 Water management. 18 5.2.3 Energy management 20 5.2.4 Material management. 21 5.2.5 Waste management. .22 5.2.6 Emissions to environment (air, water and soil) 22 5.2.7 Noise, vibrations and light impacts 26 5.2.8 Landscape changes. 26 5.2.9 Ecosystem health. 27 5.2.10 Land use changes 28 5.3 Description of social aspects and impacts 29 5.3.1 General .29 5.3.2 Accessibility 29 5.3.3 Adaptability 31 5.3.4 Population system 32 5.3.5 Jobcreation 32 5.3.6 Cultural heritage 33 5.3.7 Stakeholders'involvement .34 5.3.8 Human rights. 35 5.3.9 Resilience 35 5.3.10 Health and comfort 43 5.3.11 Impacts on the neighbourhood. 45 5.3.12 Maintenance and maintainability 49 5.3.13 Safety/security. 49 5.3.14 Sourcing of materials and services 50 5.3.15 Social equity 51 5.4 Description of economic aspects and impacts 51 5.4.1 General 51 @ IS0 2023 - All rights reserved iii IS0 21928-2:2023(E) 5.4.2 Life-cycle costs. 51 5.4.3 External costs 52 5.4.4 Effects on local economy 52 5.4.5 Sustainable funding 53 5.4.6 Social internal rate of return .53 5.4.7 Management mechanisms. 53 6 Development of a system of sustainability indicators. 53 6.1 General. 53 6.2 Rules for developing a system of indicators. 54 6.3 Usability of sustainability indicators 55 6.4 Users of indicators. 56 Reporting and communication 57 7.1 General. .57 7.2 Information on the report 57 7.3 Statement of boundaries, scenarios used and additional functions considered in the assessment. 58 7.4 Data sources 58 7.5 Communication of assessment results 58 7.5.1 General 58 7.5.2 Simplifications and additional remarks 59 Annex A (normative) Core indicators by civil engineering works (CEW) typology 60 Annex B (informative) Cost and revenue categories. .72 Annex C (informative) Evaluation of risks. .77 Annex D (informative) Relation between the sustainability indicators in this document and the UN Sustainable Development Goals. 79 Annex E (informative) Example of utilization of indicators for decision support in the selection of alternatives in civil engineering projects.. .82 Bibliography .84 iv @ IS0 2023 - All rights reserved IS0 219