Knowledge, Attitude and Behavior of Zero Carbon Buildings

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1 Hong Kong Zero Carbon Partnership for Enhancing Public and Stakeholder Engagement Workshop Series of Hong Kong Zero Carbon Partnership Knowledge, Attitude and Behavior of Zero Carbon Buildings 2nd Workshop Report Organised by: Centre for Innovation in Construction and Infrastructure Development The University of Hong Kong Co-organised by: Zero Carbon Building Construction Industry Council Multi-Purpose Hall, ZCB, Hong Kong January 2016

2 Zero Carbon Partnership Workshop Report The Hong Kong Zero Carbon Partnership c/o Department of Civil Engineering The University of Hong Kong Hong Kong, January 2016 Edited by Wei Pan, Pingying Lin and Thomas Ng Members of Project Committee Dr Wei Pan Prof Thomas Ng Prof S.C. Wong Dr Frank Xu Mr Julian Lee Dr Guiyi Li Prof Conrad Wong Ms Ada Fung Mr Felix Leung Prof Chimay Anumba Mr Rob Pannell The University of Hong Kong The University of Hong Kong The University of Hong Kong The University of Hong Kong Construction Industry Council Zero Carbon Building (retired) Hong Kong Green Building Council Hong Kong Housing Authority China Trend Building The Pennsylvania State University Zero Carbon Hub Acknowledgements This publication was made possible by the research funding from Construction Industry Council. Its contents are solely the responsibility of the authors and do not necessarily represent the official views of Construction Industry Council. Join The Hong Kong Zero Carbon Partnership Should you be interested to join the Hong Kong Zero Carbon Partnership, please contact Dr. Wei Pan of the Department of Civil Engineering, The University of Hong Kong at hk,

3 Table of Contents About The Hong Kong Zero Carbon Partnership 1 About The Workshop Series 2 Workshop Rundown 3 Executive Summary 4 Opening Speech 5 Public and Stakeholder Engagement through Hong Kong Zero Carbon Partnership 6 Building Energy Epidemiology: Developing a High Quality Evidence Base for Policy Makers and Industry 12 Key Potential Technologies for Energy Efficient Buildings 23

4 Zero Carbon Partnership Workshop Report About The Hong Kong Zero Carbon Partnership The zero carbon building approach has been adopted in many countries and regions as an important government strategy for addressing climate change, achieving a low carbon economy and uplifting quality of people s life. Zero carbon buildings are far more than a technological solution, but complex socio-technical systems. It is therefore important to enhance public and stakeholder engagement in the planning and delivery of zero carbon buildings. However, how stakeholders can work in partnership for delivering zero carbon buildings effectively remains a socio-technical challenge. The Hong Kong Zero Carbon Partnership is a research initiative funded by the Construction Industry Council (CIC) and led by The University of Hong Kong (HKU) with support from a number of organizations including Zero Carbon Building (ZCB), Hong Kong Housing Authority (HKHA), Hong Kong Green Building Council (HKGBC), China Trend Building Press, The Pennsylvania State University, and Zero Carbon Hub. The Partnership aims to function as a mechanism to bridge the links between the public and many stakeholder groups in Hong Kong and beyond, and provide a platform to support the transition of the buildings and the built environment in Hong Kong towards zero carbon and sustainability. Supporting the Partnership is the Hong Kong Zero Carbon Portal with measurement and monitoring of Hong Kong s public and stakeholders understanding, attitude and behaviour regarding zero carbon building. The Partnership and its supporting Portal are expected to be sustained through a CIC-HKU joint force after the project is completed for the benefits of industry and society. 1

5 About The Workshop Series The workshop series are an important part of the research initiative on which the Hong Kong Zero Carbon Partnership is based. The workshops are planned to be organized in alignment with the seminar series to ensure the progressively enhancement of the public and stakeholders understanding of zero carbon buildings. The workshops thus mainly target the public and stakeholders within Hong Kong. The learning of the principles, practices, policies and priorities of low or zero carbon building through the workshops will help with the development of strategies for achieving zero carbon buildings. Such strategies will cover the aspects of user behaviour, building energy efficiency, on-site renewable energy technologies, and energy production and supply. 2

6 Zero Carbon Partnership Workshop Report Workshop Rundown 1:30 2:00pm Registration 2:00 2:10pm Opening Speech Prof John Ng, Chairman of BEAM Society Ltd; Chairman of HKGBC Green Labelling Committee 2:10 2:20pm Photo Session 2:20 2:40pm Public and Stakeholder Engagement Through Hong Kong Zero Carbon Partnership Dr Wei Pan, Associate Director, CICID, The University of Hong Kong 2:40 3:10pm Keynote Speech Building Energy Epidemiology: Developing a High Quality Evidence Base for Policy Makers and Industry Prof Paul Ruyssevelt, Energy Institute, University College London 3:10 3:50pm Group Discussion A 3:50 4:00pm Refreshments 4:00 4:30pm Keynote Speech Key Potential Technologies for Energy Efficient Buildings Prof Jianlei Niu, The Hong Kong Polytechnic University 4:30 5:10pm Group Discussion B 5:10 5:15pm Closing Remarks Prof Thomas Ng, Executive Director, CICID, The University of Hong Kong 3

7 Executive Summary (From left to right are Dr Wei Pan, Mr MK Leung, Dr James Wong, Ir Sing Por Tang, Mr Sean Quinn, Prof Jianlei Niu, Prof John Ng, Prof Paul Ruyssevelt, Prof Thomas Ng, Prof Sam Chan, Ms Luciana Wong) On 21 January 2016 nearly 55 practitioners, academics and researchers participated in the second of the workshop series of the Hong Kong Zero Carbon Partnership (HKZCP) at Zero Carbon Building. This workshop was entitled Knowledge, Attitude and Behaviour of Zero Carbon Buildings, and was organized by the HKU Centre for Innovation in Construction and Infrastructure Development (CICID) and co-organised by Zero Carbon Building (ZCB) and Construction Industry Council (CIC). This workshop featured local and overseas speakers to share how stakeholders can work in partnership effectively for building towards zero carbon and zero energy, and two group discussion sessions on the knowledge, attitude and behaviour of zero carbon buildings. Prof John Ng, Chairman of BEAM Society Ltd and Chairman of HKGBC Green Labelling Committee, opened the workshop, followed by Dr Wei Pan who provided a brief introduction to the HKZCP initiative and reported the current project progress. After that, the first keynote speaker, Prof Paul Ruyssevelt from Energy Institute, University College London contributed an international perspective of energy research on developing a high quality energy database of national building stock for policy makers and industry. The second keynote speaker, Prof Jianlei Niu from The Hong Kong Polytechnic University presented on building environment and energy research from the perspective of public health, sustainability and city-liveability. The two interactive discussion sessions were carried out with six groups of participants and covered four discussion themes, i.e. knowledge and attitude, behaviour and engagement, policy and regulation, and practice and engagement. 4

8 Zero Carbon Partnership Workshop Report Opening Speech Prof John Ng Chairman of BEAM Society Ltd; Chairman of HKGBC Green Labelling Committee Bio Prof John C.Y. NG is a professional architect, town planner and urban designer who has more than 30 years of experience in planning, design, construction and project management of high-density housing and redevelopment projects. Awards of excellence were won by a number of these projects covering Architecture, Planning, Urban Design, Research and Green Building Design. He is a Director of the Hong Kong Green Building Council and Chairman of its Green Labelling Committee; Honorary Secretary and Director of the Professional Green Building Council; Founding Council Member of the Hong Kong Institute of Urban Design; Honorary Professor of the Department of Urban Planning and Design of The University of Hong Kong; Adviser and member of a number of government Committees and NGOs; and an active volunteer in community development, sustainable built environment, green building and post-quake reconstruction. 5 Prof John Ng delivered the Opening Speech. He first introduced the vision of Hong Kong to create a sustainable city that balances development with environmental concerns. To respond to that, Hong Kong is finding innovative new solutions given the unique high-density, highrise and hot-and-humid urban setting of the city. Prof Ng emphasized that the zero carbon building approach is one of the most important solutions. He regarded that systemic stakeholder engagement is imperative to the achievement of net zero carbon of buildings. He then highlighted that The Hong Kong Zero Carbon Partnership has made great contribution by serving as a worldclass knowledge-based, innovation-driven and multi-stakeholder-engaged hub for zero carbon building in urban environments.

9 Public and Stakeholder Engagement through Hong Kong Zero Carbon Partnership Dr Wei Pan Associate Director, CICID, The University of Hong Kong Bio Dr Wei Pan is Associate Director of Centre for Innovation in Construction and Infrastructure Development (CICID) of The University of Hong Kong where he also cochairs the Low Carbon Construction (LCC) Taskforce. Dr Pan is specialised in sustainable construction and management. His research interest focuses on zero carbon building, off-site prefabrication, and decision making of technological innovation. He received his MSc in Construction Project Management with Distinction and PhD in Construction Management from Loughborough University. Dr Pan s career is supported by over 20 years of experience internationally in building design and engineering, construction project management and innovation management. He is Chartered Builder, Chartered Environmentalist, and Fellow of the Higher Education Academy Dr Wei Pan first gave a snapshot of the international and local backgrounds of building energy flow and consumption. He then introduced the HKZCP initiative, covering its aim, objectives, activities, deliverables, members and benefits of participation. He shared that the Partnership has attracted support from a wide range of stakeholder groups covering the demand, supply, regulation and institution aspects of buildings in Hong Kong as well as some strategic partners worldwide. It was reported that the research team has made great achievements from the previous seminars and workshops and stakeholder engagement. Evidence was presented that the Partnership has made a very useful contribution to knowledge sharing among the wide stakeholders. Dr Pan finally explained the themes and questions of the discussion sessions to facilitate efficient communications and discussion among the participants. 6

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15 Building Energy Epidemiology: Developing a High Quality Evidence Base for Policy Makers and Industry Prof Paul Ruyssevelt Energy Institute, University College London Bio Paul is Professor of Energy and Building Performance at the UCL Energy Institute where he takes the lead on research in the field of energy use in non-domestic buildings. An architect with 30 years experience in the field of low energy and sustainable buildings he has worked in both academia and industry and always maintained an active involvement in applied research. During his 25 years in industry he managed UK based consultancy teams working in the field of industrial energy efficiency, organisational carbon management and renewable energy technologies. Paul s current research activities include: the development of an online system to collect data on the actual energy performance of commercial buildings in London; advising on the development of protocols for the exchange of energy and buildings data from which national sector benchmarks can be derived and the development of a simulation based model of the non-domestic building stock. Before joining UCL in 2012, Paul managed the monitoring and reporting phase of the 17m Retrofit for the Future Programme for Innovate UK, involving over 100 deep energy retrofit projects. Paul is the UK Representative to the IEA Energy in Buildings and Communities (EBC) Implementing Agreement and has played a leading role in establishing the new Annex 70: Building Energy Epidemiology. Prof Paul Ruyssevelt first introduced UCL, the Bartlett School for Environment, Energy & Resources (BSEER) and shared with the audience the activities of UCL Energy Institute. He then explained the innovative concept of Energy Epidemiology, which adopts the research method that is commonly used in public health research to investigate the interactions between policy, technology, infrastructure, people and culture in the building energy scope, and thus to exam and help understand the energy use of the population, performance of systems and effectiveness of interventions, via national data and field trials etc. Prof Ruyssevelt compared the energy research and health research and pointed out that energy research is relatively new and unstructured applied area. In contrast, health research is structured under physiological, psychological and epidemiological research. Prof Ruyssevelt also provided an outline of IEA EBC Annex 70 Building Energy Epidemiology: Analysis of Real Building Energy Use at Scale. The main subtasks, proposed activities, official deliverables and timeline were addressed. 12

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26 Zero Carbon Partnership Workshop Report Key Potential Technologies for Energy Efficient Buildings Prof Jianlei Niu The Hong Kong Polytechnic University Bio Dr. Jianlei Niu is Chair Professor of Building Environment and Energy at The Hong Kong Polytechnic University. He received his Bachelor and Master degrees from Tsinghua University, Beijing and PhD from Delft University of Technology, The Netherlands. Prof. Niu is currently Editor-in-Chief of the journal Energy and Buildings. He is a fellow of ASHRAE (American Society of heating, Refrigeration, and air-conditioning engineers) and ISIAQ (International Society of Indoor Air quality and climate), and he is founding board member of IBPSA-China. He sits in the Engineering Panel of Research Grant Council of Hong Kong. He has secured a total number of 20 research grants and produced over 100 journal publications on a broad range of energy-efficient technologies, such as modeling of radiant cooling, indoor air distribution, thermal energy storage and indoor air pollutant emission from building materials and air-borne infection risks in built environments. He is also an educator, having successfully supervised over 20 PhD students and post-doctoral researchers. Prof Jianlei Niu delivered a presentation on building environment and energy research, addressing the issues related with public health, sustainability and city-livability. By drawing on a few real cases and simulation models, he elaborated on the stratified air distribution methods which could help to reduce cooling load. He then introduced the advanced thermal energy storage system, which could help to cope with temporal mismatch between supply and demand and directly use natural heating and cooling sources. Prof Niu also explained the relation between VOC emissions from building materials and health risks. He stressed that an integrated source control strategy is an energy efficient and cost effective manner to improve Indoor Air Quality (IAQ). He pointed out that energy efficient buildings are achievable through the use of integral or optimal combination of several technologies instead of any single ones. 23

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35 The Hong Kong Zero Carbon Partnership Hong Kong, January 2016