Journal articles on the topic 'Sustainable buildings – Australia'
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Zuo, Jian, Bo Xia, Qing Chen, Stephen Pullen, and Martin Skitmore. "GREEN BUILDING RATING FOR OFFICE BUILDINGS – LESSONS LEARNED." Journal of Green Building 11, no. 2 (March 2016): 131–46. http://dx.doi.org/10.3992/jgb.11.2.131.1.
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Office buildings constitute a significant proportion of the non-residential building stock. In recent years, various rating tools have been developed to foster green office building development. The Green Building Council of Australia (GBCA) has developed the Green Star - Office rating tools for this purpose. There are an increasing number of stakeholders adopting these tools to showcase their efforts in sustainable development. This research focuses on the challenges and barriers in obtaining GBCA ratings in Australian Office buildings. To accomplish this, the scoring sheets from the rating of 264 certified office buildings were collected and critically analysed. The findings indicated that credits related to the attributes of innovation, ecology and energy are comparatively difficult to achieve. It was also found in this study that a large number of projects did not apply for the specific credits of refrigerant global warming potential, re-use of façade, topsoil and fill removal from site, and individual comfort control. This study provides a useful reference to both the property developer and the Green Building Council of Australia for green building developments in the future. In particular, the findings provide useful inputs to the development of the next generation of green building rating tools.
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Illankoon, I. M. Chethana S., Vivian W. Y. Tam, Khoa N. Le, Cuong N. N. Tran, and Mingxue Ma. "REVIEW ON GREEN BUILDING RATING TOOLS WORLDWIDE: RECOMMENDATIONS FOR AUSTRALIA." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 25, no. 8 (October 10, 2019): 831–47. http://dx.doi.org/10.3846/jcem.2019.10928.
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Buildings could be led to adverse impacts on environment, such as generation of construction and demolition waste, and emission of greenhouse gases (GHG). Therefore, promotion on development of green buildings is in need. With the increasing awareness in sustainable development, various rating tools are promoted to evaluate the performance of green buildings. Nowadays, these tools function as a guideline for green building development. There are various green building rating tools developed worldwide, and various countries follow different rules, incentives and regulations. However, despite of promotion of green building rating tools, environmental issues from buildings are still significant in Australia. This research compared green building rating tools in Australia and other countries or regions around the world. This research found that rating tools in Australia lack of (1) mandatory criteria and (2) regulations and incentives. This paper recommended that governmental incentives should be promoted.
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Kalutara, Pushpitha, Guomin Zhang, Sujeeva Setunge, and Ron Wakefield. "Factors that influence Australian community buildings’ sustainable management." Engineering, Construction and Architectural Management 24, no. 1 (January 16, 2017): 94–117. http://dx.doi.org/10.1108/ecam-10-2015-0158.
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Purpose Australia has a huge stock of community buildings built up over decades. Their replacements consume a large sum of money from country’s economy which has called for a strategy for their sustainable management. For this, a comprehensive decision-making structure is an utmost requirement. The purpose of this paper is to capture their sustainable management from four aspects, i.e. environmental, economic, social and functional. Design/methodology/approach The design process follows an extensive review of environmental and life cycle assessments and company context documents. Extracted factors are tailored to community buildings management following expert consultation. However, the resulted list of factors is extremely large, and “factor analysis” technique is used to group the factors. For this, an industry-wide questionnaire across Australian local councils is employed to solicit opinions of the list of factors. Findings The analysis has pinpointed 18 key parameters (criteria) to represent all four aspects. This paper presents the preliminary findings of the factors and the analysis results based on the questionnaire responses. Practical implications The final decision-making structure incorporates all these aspects and criteria. This can be used to develop a decision-making model which produces a sustainability index for building components. Asset managers can mainly use the sustainability index to prioritise their maintenance activities and eventually, to find out cost-optimisation options for them. Originality/value Most notably, this is the first study to apply all four sustainability aspects (environmental, economic, social and functional) to develop a decision-making structure for Australian community buildings’ sustainable management.
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Dadzie, John, Goran Runeson, and Grace Ding. "Assessing determinants of sustainable upgrade of existing buildings." Journal of Engineering, Design and Technology 18, no. 1 (August 31, 2019): 270–92. http://dx.doi.org/10.1108/jedt-09-2018-0148.
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Purpose Estimates show that close to 90% of the buildings we will need in 2050 are already built and occupied. The increase in the existing building stock has affected energy consumption thereby negatively impacting the environment. The purpose of this paper is to assess determinants of sustainable upgrade of existing buildings through the adoption and application of sustainable technologies. The study also ranks sustainable technologies adopted by the professionals who participated in the survey with an in-built case study. Design/methodology/approach As part of the overall methodology, a detailed literature review on the nature and characteristics of sustainable upgrade and the sustainable technologies adopted was undertaken. A survey questionnaire with an in-built case study was designed to examine all the sustainable technologies adopted to improve energy consumption in Australia. The survey was administered to sustainability consultants, architects, quantity surveyors, facility managers and engineers in Australia. Findings The results show a total of 24 technologies which are mostly adopted to improve energy consumption in existing buildings. A factor analysis shows the main components as: lighting and automation, heating, ventilation and air conditioning (HAVC) systems and equipment, envelope, renewable energy and passive technologies. Originality/value The findings bridge the gap in the literature on the adoption and application of sustainable technologies to upgrade existing buildings. The technologies can be adopted to reduce the excessive energy consumption patterns in existing buildings.
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Jailani, Junaidah, Richard Reed, and Kimberley James. "Examining the perception of tenants in sustainable office buildings." Property Management 33, no. 4 (August 17, 2015): 386–404. http://dx.doi.org/10.1108/pm-05-2014-0022.
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Purpose – The purpose of this paper is to address two major challenges faced by sustainable building owners: first, address the gap between an occupant’s expectations of sustainable building outcomes and what the building actually provides and second, overcome the lack of user knowledge about sustainability design and operation for a particular with regards to performance. Design/methodology/approach – This study used a focus group approach to investigate the gap between: user expectations and sustainable building performance. The study surveyed occupants of sustainable office buildings in Melbourne, Australia. Findings – There is no significant relationship between users’ expectations and users’ experience of sustainable building performance and users’ knowledge about sustainability and the building they were worked in. Research limitations/implications – The research was limited to sustainable office buildings. New office buildings seeking to incorporate sustainability which need to focus on the needs of tenants in order to maximise value. Practical implications – There is an urgent need to ensure sustainable office buildings meet the needs of present and future occupiers without compromising short and long-term occupier satisfaction levels with regards to sustainability and operation of the building. Social implications – Increasing the level of sustainability in office buildings has been a major trend over the past decade however the tenants need to be consulted in the post-occupancy phase. Originality/value – Little attention has been given in the property management literature to sustainable office buildings and value drivers. This is an original and innovative study, partly due to the recent developments in sustainable buildings.
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Amalina Hanapi, Nur, Wan Khaulah Sa'adah Wan Zulkipli, and Khairul Asyraf Mohd Rodzi. "A Performance-Based Framework to Prioritize Adaptive Reuse Gallery: A Review On Sustainable Industrial Heritage Building in Malaysia & Australia." IOP Conference Series: Earth and Environmental Science 1022, no. 1 (May 1, 2022): 012002. http://dx.doi.org/10.1088/1755-1315/1022/1/012002.
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Abstract According to United Nations Educational, Scientific and Cultural Organization (UNESCO) (2007), heritage building is a tangible manmade environment with its cultural (heritage) significance in which their social values, scientific and aesthetical elements imparted in the surrounding physical settings[1]. However, there been lack of comparative studies being done to how Malaysia and Australia accentuate their historical industrial land as mining cities to the sustainable adaptive reuse gallery. Thus this research aims to make comparative studies between these two countries since both were historically developed mainly as the mining industry in early city development era. The case studies employed in four identified buildings which represents the ideals of industrial heritage adaptation in both Malaysia and Australia. It’s involved the analysis and discussion on the general public perspective, policies, body participation and its application to the function of the studied buildings. The overall research and findings clearly shown that Australian approach of adaptive reuse towards industrial heritage give an impact to the community and become an iconic building as compare to Malaysian approach.
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Best, Rick, and Brian Purdey. "Assessing occupant comfort in an iconic sustainable education building." Construction Economics and Building 12, no. 3 (September 11, 2012): 55–65. http://dx.doi.org/10.5130/ajceb.v12i3.2537.
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The building that houses the Mirvac School of Sustainable Development at Bond University is the first educational building to achieve a six Green Star rating from the Green Building Council of Australia. It has won numerous awards since opening in August 2008 including being judged the RICS (Royal Institution of Chartered Surveyors) Sustainable Building of 2009. After more than two years in use a post-occupancy evaluation study was carried out to assess the performance of the building from the viewpoint of the users; both resident staff and transient students. Results for factors such as lighting, thermal comfort, noise and air quality. were compared to benchmarks established by the Usable Buildings Trust. The evaluation also assessed the occupants’ perceptions of the building’s impact on their own productivity. Users generally find the building provides a comfortable work environment although a number of areas of performance were noted as posing some concerns. These included intrusive noise in some parts of the building and some issues with glare in daylit teaching spaces. Such concerns were found to be in accord with the results of previous studies and they highlight some recurrent problems in “green” buildings designed to maximise the use of natural ventilation and natural light. These design challenges and how occupant satisfaction is to be measured and benchmarked are also discussed in the context of this comparative building study.
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Yazdani Mehr, Shabnam, and Sara Wilkinson. "Technical issues and energy efficient adaptive reuse of heritage listed city halls in Queensland Australia." International Journal of Building Pathology and Adaptation 36, no. 5 (November 12, 2018): 529–42. http://dx.doi.org/10.1108/ijbpa-02-2018-0020.
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Purpose Adaptive reuse of heritage stock has several advantages: retention of culturally and socially significant buildings, as well as the opportunity to consider embodied energy, energy efficiency retrofit measures and other environmental upgrades. The purpose of this paper is to identify the technical issues faced in the adaptive reuse of Australian heritage listed city halls and discuss sustainable strategies to enable further adaptations to be more energy efficient. Design/methodology/approach Adaptive reuse of a heritage building provides an opportunity to retain embodied energy, improve energy efficiency and enhance durability, which are important aspects of the technical lifecycle of a building. Using a case study methodology and a qualitative approach, this paper evaluates adaptations and the technical issues faced in three heritage city halls in Queensland, Australia. Findings The analysis shows that enhancing energy efficiency enables heritage buildings to reduce their climate change impacts. However, the installation of equipment for energy efficiency can pose technical issues for heritage buildings. The ownership of heritage building and interest of the local community affects the solutions that are viable. Solutions and further sustainable strategies are proposed through analysis of case studies. Originality/value City halls globally adopt different and varied architectural designs, features and scales. They are often heritage listed and locally significant landmarks that have undergone various adaptations; however, they have been overlooked in much adaptive reuse research, particularly in Australia. City halls differ from other heritage buildings in their collective sense of ownership which is important in regard to proposed changes, as citizens have an interest and hold opinions which may affect measures adopted. This paper contributes to the body of knowledge related to energy efficient technical adaptive reuse of city halls.
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Heywood, Chris, Eckhart Hertzsch, and Mirek Piechowski. "The climatic influence on sustainable refurbishments and life cycle investing in Australia." Property Management 33, no. 1 (February 16, 2015): 19–35. http://dx.doi.org/10.1108/pm-04-2013-0025.
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Purpose – The purpose of this paper is to report an investigation of the effect of location on refurbishment strategies to reduce greenhouse gas (GHG) emissions using the temperate and sub-tropical urban locations in Australia. This occurred within a larger research project that investigated methods for sustainable refurbishments to office buildings and their optimized timing from an investment perspective. Design/methodology/approach – An office building in Melbourne was used to develop seven sets of improvements using an integrated approach to upgrade mechanical services and the building envelope. Using asset management trigger points the impact on net present value and internal rate of return were calculated, taking into account the capital expenditure required, the energy savings due to the refurbishment, as well as a possible rental increase due to the upgrade and lesser operational energy bills for the tenants. To investigate the importance of the location attribute the upgraded building’s performance was modelled in a different climate by using a Brisbane weather file. Findings – A number of unexpected results were found, including that the same sets of improvements had similar reductions in GHG emissions in the two locations, they had similar impacts on the investment criteria and when using the National Australian Building Energy Rating System it was shown that it was easier and cheaper to get an uplift in stars in Melbourne than Brisbane. Research limitations/implications – This location-specific analysis is the result of using a more sophisticated and holistic methodology to analyse sustainable refurbishments that more closely resembles the complexity of the decision making required to make buildings more sustainable. Practical implications – This paper provides a basis for property investors to make decisions about sustainable investments when location is important. This can occur when a portfolio is distributed across various climate zones. Originality/value – The research project that the paper reports addresses the complexity of building attributes, possible sets of improvements to reduce GHG emissions and their investment decisions, within a life cycle view of assets. It is rare that this complexity is addressed as a whole, and rarer that locational climatic differences are examined.
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Reed, Richard, and Junaidah Jailani. "Occupiers as the Critical Stakeholders in a Sustainable Building." International Journal of Green Computing 5, no. 1 (January 2014): 78–90. http://dx.doi.org/10.4018/ijgc.2014010106.
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There is an established body of knowledge about technical aspects of sustainable buildings however little research conducted into the post-occupancy relationship between sustainable buildings and occupiers based on the ‘form vs function' argument (Reed & Bole 2009). There has been limited attention placed on the relationship between technological advances and how occupiers interact and behave with these buildings (Wener & Carmalt 2006). Therefore this is a preliminary study into differences (if any) between (a) the expectation of occupiers and (b) their actual experiences. The data was provided by a survey of occupiers/tenants of sustainable buildings in Melbourne, Australia in 2012. The findings demonstrated (a) occupants of sustainable buildings are primarily interested in their own personal comfort levels, (b) occupiers of 5 star sustainable buildings have the highest expectations of how their buildings operate however there also exists the largest gap between their expectations and actual experiences, and (c) the communication channels available to occupiers about the operation of their sustainable office building and how they address problems are very limited. There is an urgent need to ensure future efforts to incorporate sustainability into new and existing office buildings meet the needs of present and future occupiers without compromising short and long-term occupier satisfaction levels.
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Clark, David. "Sustainable Buildings in Australia Opportunities for Structural & Civil Engineers." IABSE Symposium Report 86, no. 18 (January 1, 2002): 10–19. http://dx.doi.org/10.2749/222137802796335361.
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Lee, Chyi Lin, Nicholas Gumulya, and Mustapha Bangura. "The Role of Mandatory Building Efficiency Disclosure on Green Building Price Premium: Evidence from Australia." Buildings 12, no. 3 (March 3, 2022): 297. http://dx.doi.org/10.3390/buildings12030297.
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Extensive studies have examined the financial performance of green buildings in recent years. The results have frequently observed that the premium of green buildings is time-varying and dependent on the study period and markets being examined. Further, virtually no dedicated study has been devoted to examine the role of mandatory building energy rating disclosure policies on green building price premium. This raises the question of whether the mandatory energy rating disclosure policies would have an influence on the financial performance of green buildings. This study assesses the premium of green buildings by considering the role of mandatory energy efficiency of commercial building disclosure program (CBDP) using the MCSI/IPD NABERS data over 2005–2020. The results of the study showed that, in Australia, buildings with NABERS rating of 4 stars and above delivered a higher total return compared with buildings with lower NABERS ratings. This also supports the Freeman’s (1984) social impact hypothesis in which favorable social performance will ultimately lead to favorable financial performance. In addition, our empirical modelling results also demonstrated the premium of green buildings is stronger since the launch of CBDP, reflecting the importance of mandatory building efficiency disclosure. The policy implications of our studies have also been discussed as buildings play a crucial role in achieving the United Nations Sustainable Development Goals (SDGs), particularly net-zero carbon emissions.
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Langston, Craig, and Weiwei Zhang. "DfMA: Towards an Integrated Strategy for a More Productive and Sustainable Construction Industry in Australia." Sustainability 13, no. 16 (August 17, 2021): 9219. http://dx.doi.org/10.3390/su13169219.
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Design for manufacture and assembly (DfMA) is an important part of the future of the construction industry due to the promise of speed of project delivery, quality control, worker safety, and waste minimization onsite via the purposeful design for manufacture and assembly offsite. However, the adoption of DfMA in Australia has been slow. This paper investigates the barriers prohibiting widespread uptake and how digital construction will be a catalyst for improving use on commercial-scale projects. A total of six leading experts were interviewed to elicit their opinions, and seven recent case studies of high-rise modular apartment and hotel buildings constructed by Hickory were cross-referenced as evidence of DfMA capability. The experts suggested that the reasons for slow adoption in Australia were community mindset, government regulations and incentives, planning and building codes, unionization and business politics, finance, and supply chain management. The case studies suggest that compatible building type and transportation distance are also factors. These barriers can be addressed by the clever integration of building information modelling tools with lean construction processes as part of a proposed strategy leading to smarter (more productive) and better (more sustainable) outcomes predicated on growth in digital construction practices. The paper concludes with a proposed framework for change that conceptualizes the ‘ecosystem’ needed to support widespread DfMA in the Australian context, including the paradigm shift from building to manufacturing/assembly, the displacement of workers from onsite to offsite activity, and the expansion of interdisciplinary design and construct collaboration.
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Moore, Trivess, and Usha Iyer-Raniga. "Reflections of a green university building: from design to occupation." Facilities 37, no. 3/4 (February 28, 2019): 122–40. http://dx.doi.org/10.1108/f-11-2017-0108.
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Purpose The purpose of this paper is to present outcomes from a post-occupancy evaluation (POE) of a sustainable university building development. Design/methodology/approach A POE was conducted for a sustainable university building in Melbourne, Australia. The method included interviews with key stakeholders involved in the design, construction and occupation of the building. The interviews were complemented by conducting a Builder User Satisfaction survey and analysis of two year’s worth of building performance data. Findings While technically the building saw a significant improvement in performance in comparison to existing buildings at the university, it ultimately did not meet its design performance goals as determined by the design rating. The interviews revealed limited formal documenting of lessons learnt and the challenges associated with using a sustainable and innovative building to drive cultural change. A major success was the realisation by the university of the benefits that the systematic POE provided. Lessons are now being applied to other new and refurbished buildings on campus, with POE now an integrated part of these processes. Originality/value While there are some studies of sustainable university operations and buildings, many focus on one or two parts of the process and fail to include evaluation of the full sustainability approach to check if stated goals have been met. This paper begins to address this gap. Learnings from the research are applicable to the wider building development industry and demonstrate the important role universities can play in shaping the sustainability of urban environments.
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Yu, Rongrong, Ning Gu, and Michael J. Ostwald. "Architects’ Perceptions about Sustainable Design Practice and the Support Provided for This by Digital Tools: A Study in Australia." Sustainability 14, no. 21 (October 25, 2022): 13849. http://dx.doi.org/10.3390/su142113849.
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The fundamental goal of sustainable design for the built environment is to optimise the performance of buildings to minimise their impact on the environment. To achieve this goal, contemporary architects use a range of digital design environments, such as Computer-aided Design (CAD) or Building Information Modelling (BIM) tools. These allow architects to implement sustainable design principles and make optimal decisions about the ecological and energy properties of the building or environment being designed. Past research about architects’ uses of these tools for sustainable design have been focused on their capacity for optimising building performance and meeting architects’ design needs. In parallel, other studies have identified technological barriers and readiness factors for implementing sustainable design in several countries, including Australia. Researchers have suggested that presently, most architects are unlikely to perceive Building Performance Analysis (BPA) as their responsibility. It has also been found that the digital design tools need to more effectively support sustainable design. However, despite this body of past research, to date there is a lack of a more holistic understanding regarding architects’ perceptions about the alignment between sustainability practices and the capacity of digital design environments for supporting these, particularly in Australia. This paper addresses this knowledge gap, by presenting findings derived from semi-structured interviews with 18 professional architects in Australia, each with experiences in sustainable design and the use of digital design tools. The results are used to establish a conceptual model, which illustrates the relationships between a variety of factors affecting architects’ sustainable design practices. The findings suggest that in Australia, architects have more negative than positive experiences regarding their sustainable design practices, due to factors ranging from those related to the practice itself, to the digital design technologies and budget available for supporting their goals. This study also identifies an urgent need to enhance and better align the capabilities of digital design technologies with sustainable outcomes and associated organisational objectives, which the new model can assist in understanding and facilitating.
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Zuo, Jian, Bo Xia, Jake Barker, and Martin Skitmore. "Green buildings for greying people." Facilities 32, no. 7/8 (April 28, 2014): 365–81. http://dx.doi.org/10.1108/f-08-2011-0060.
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Purpose – This paper aims to identify the critical issues to be considered by developers and practitioners when embarking on their first green residential retirement project in Australia. With an increasingly ageing population and widespread acceptance of the need for sustainable development in Australia, the demand for green retirement villages is increasing. Design/methodology/approach – In view of the lack of adequate historical data for quantitative analysis, a case study approach is used to examine the successful delivery of green retirement villages. Face-to-face interviews and document analyses were conducted for data collection. Findings – The findings of the study indicate that one of the major obstacles to the provision of affordable green retirement villages is the higher initial costs involved. However, positive aspects were identified, the most significant of which relate to the innovative design of site and floor plans; adoption of thermally efficient building materials; orientation of windows; installation of water harvesting and recycling systems, water conservation fittings and appliances; and waste management during the construction stage. With the adoption of these measures, it is believed that sustainable retirement development can be achieved without significant additional capital costs. Practical implications – The research findings serve as a guide for developers in decision-making throughout the project life-cycle when introducing green features into the provision of affordable retirement accommodation. Originality/value – This paper provides insights into the means by which affordable green residential retirement projects for aged people can be successfully completed.
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Khogali, Hind Abdel Moneim. "Comparison of Four Global Sustainable Building Rating Systems Carried out With Focus on Hot and Dry Climate." Journal of Sustainable Development 9, no. 2 (January 31, 2016): 1. http://dx.doi.org/10.5539/jsd.v9n2p1.
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<p>Several assessment programmes has been developed worldwide on the environmental and energy effect of buildings. The aim of this study is to identify the main and sub categories of sustainable design. The researcher has investigated and compared four global building rating systems, namely leadership in Energy and Environmental Design (LEED) in USA, Emirates Green Building Rating System (ESTIDAMA) in Abu Dhabi city, Qatar Sustainability assessment System (QSAS) in the State of Qatar and Australian green Star rating system (AGBC rating system), in Australia. This paper focuses mainly on their processes, contents, similarities and differences, processes, evaluation, their development and wither these systems are applicable to all environments?</p><p>The paper outlined six main categories developed by these global rating systems being: Sustainable site, indoor environmental quality, materials, water efficiency, power supply system and innovations. Sub categories were added according to their social, cultural, economical and legislations conditions.</p>The paper recommended adding four main categories suitable to hot and dry climate.
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Conejos, Sheila, Michael Y. L. Chew, and Esther H. K. Yung. "The future adaptivity of nineteenth century heritage buildings." International Journal of Building Pathology and Adaptation 35, no. 4 (August 14, 2017): 332–47. http://dx.doi.org/10.1108/ijbpa-03-2017-0012.
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Purpose Designing for the future sustainability and adaptability of building assets contributes to waste and emission reduction. Moreover, sustainable design and conservation principles are necessary for achieving sustainable and adaptable built heritage. The purpose of this paper is to introduce the improved adaptSTAR model in regards to maximising the future adaptive reuse and sustainability of existing built heritage and its surroundings. Design/methodology/approach A comparative study of two iconic nineteenth century heritage assets in Australia and Hong Kong is undertaken to highlight the need to forecast the future adaptation of heritage buildings in order to guarantee their continuous reuse and sustainability in an urban context. Findings Findings show that the functional, technological and legal attributes of these two nineteenth century heritage buildings require improvement so as to ensure their future adaptivity. The upgrading of heritage buildings for environmental sustainability is also deemed necessary. Originality/value The originality of this paper pertains to the advancement of the adaptSTAR tool in evaluating the future adaptivity of existing built heritage as well as new built environments whilst considering their economic, environmental and social values.
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Navaratnam, Satheeskumar. "Selecting a Suitable Sustainable Construction Method for Australian High-Rise Building: A Multi-Criteria Analysis." Sustainability 14, no. 12 (June 17, 2022): 7435. http://dx.doi.org/10.3390/su14127435.
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The evolution of innovative construction technology and automation has rapidly transformed the construction industry over the last few decades. However, selecting the most efficient and sustainable construction technology for high-rise building construction is a critical factor in completing the project successfully. This requires a multiple-judgment-decision process relevant to cost, time, environment, sustainability, quality, etc. Thus, this research aims to identify the most suitable sustainable construction method for high-rise building construction in Australia. Three construction methods (i.e., automated building construction, aluminium formwork construction, and off-site construction) and robotic construction technology are reviewed in terms of economic, equity and environmental performance. A detailed multi-criteria analysis is conducted concerning the weighting calculated for each construction method, which aids in recommending a sustainable and cost-effective method. The analytical hierarchy process (AHP) is used as a multi-attribute decision-making tool to determine the weighting factors. The results show that the off-site construction method and robotic construction technique significantly improve the construction performance of high-rise construction in Australia. However, the finding is based on data obtained from a limited number of experts. Thus, a detailed case study with a greater number of expert opinions is needed to ensure the significance of the finding. However, the AHP-based approach method can be used to select sustainable construction alternatives for high-rise buildings.
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Hartanto, Ignatius Soekarno. "HUNIAN BERWAWASAN PREFABRICATED DAN MODULAR BERBAHAN CARDBOARD-PLYWOOD (STUDI KASUS: WIKKEL HOUSE_FICTION FACTORY)." Jurnal Seni dan Reka Rancang: Jurnal Ilmiah Magister Desain 2, no. 1 (August 24, 2021): 37–60. http://dx.doi.org/10.25105/jsrr.v2i1.10097.
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AbstractCurrent dialogues about sustainable design are starting to reach the human living sector, starting from zero-waste production process to minimizing carbon footprint. One topic in particular is the need for residences. Government policies and economic advances can affect the values of land and property (in the residences scope; with land-building sites and without flats sites). Buildings with sites (land-building) are residences that are usually built on-site. There is a new point of view and technique that has been applied in developed countries such as Japan, America, Netherlands, and Australia, known as “prefabricated and modular”. When we assume the words “prefabricated” and “modular”, they are not quite common in Indonesia, especially regarding buildings that are worked on on-site. Recent scientific and technological advances regarding building structures and materials point towards the style of prefabricated and modular houses. Prefabricated and modular building, which leans towards sustainable design, can especially make us of cardboard plywood as materials.Keywords: sustainable design, residence, prefabricated, modular, cardboard plywood AbstrakHunian berwawasan prefabricated dan modular berbahan cardboard-plywood. Wacana mengenai sustainable design pada saat ini merambah ke berbagai sektor kehidupan manusia, mulai dari proses produksi yang diarahkan pada zero waste, hingga meminimalisir carbon footprint. Salah satunya terkait dengan pemenuhan kebutuhan mengenai tempat hidup atau hunian. Kemajuan perekonomian di suatu daerah dan kebijakan pemerintahan, memberikan pengaruh terhadap peningkatan nilai tanah dan properti (cakupan hunian; dengan tapak_tanah-bangunan dan tanpa tapak_rumah susun). Bangunan dengan tapak (tanah-bangunan) merupakan hunian yang biasanya dibangun secara on-site. Terdapat cara pandang dan teknik baru yang telah diterapkan terlebih dahulu pada negara maju, seperti diantaranya Jepang, Amerika, Belanda, dan Australia, dimana dikenal dengan ‘prefabricated and modular’. Ketika mengasumsikan kata prefabricated dan modular, kedua hal tersebut bukanlah hal umum yang dihadapi di Indonesia, khususnya untuk bangunan dengan tapak yang dikerjakan secara on-site. Kemajuan teknologi dan pengetahuan akan struktural serta bahan bangunan yang digunakan, turut mendukung pengerjaan prefabricated dan modular house. Pemanfaatan struktur dan bahan bangunan yang mengarah pada sustainable design (prefabricated dan modular) dengan memanfaatkan dan memberdayakan material cardboard dan plywood.Kata kunci: sustainable design, hunian, prefabricated, modular, cardboard-plywood
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Barnett, Paul. "SUSTAINABLE MICRO-VILLAGES AND THE CARWOOLA HOUSE PROJECT IN CANBERRA, AUSTRALIA." Journal of Green Building 13, no. 4 (September 2018): 167–90. http://dx.doi.org/10.3992/1943-4618.13.4.167.
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INTRODUCTION Our needs as social and familial beings change over the course of our lives; however, it has become common practice to build as though these needs remain static through time. The needs of a child, young adult, family, middle age and the elderly are dynamic between generations, and adding to these evolving life needs is the crisis of housing affordability. Three decades ago a house could cost 3–4 times an individual's annual income, today that cost is closer to 10–12 times. In response to these challenges, this article explores the concept of Sustainable Micro-Villages, providing insight into a new approach to energy-efficient housing with reference to our case-study project—Carwoola House. Sustainable Micro-Villages can be defined as a cluster of integrated dwellings, referred to here as Living Pods. Essentially a “single house” on a single site, these micro-villages can be comprised of two or more smaller buildings that provide private dwelling space for a single person, couples, couples with children, parents, elderly, friends and any combination of social groups. Living pods cluster around a natural garden setting, enhanced by water-harvesting, and are connected with covered, open or enclosed links depending on the climate of the site. The recent iterations of this type of dwelling also incorporate solar passive design, passive house and greenhouse technology. In Australia, new house designs are evaluated as part of an approvals process for their energy rating. 1 The Australian Building Code requires a minimum 6-star rating, ranging up to 10 stars for any new home to be built. A 6-star rating provides a good level of insulation and energy performance if built correctly, while 10 stars represent the highest level of energy performance and refers to a dwelling that needs no heating or cooling. Sustainable Micro-Villages consistently achieve an 8 to 10-star rating by combining Solar Passive Design principles (good orientation, thermal mass and thermal performance) and Passive House Technology (high thermally performing building with low air leakage, no thermal bridging, high performance glazing and heat recovery ventilation) in various combinations to suit the climate, context and budget.
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Dadzie, John, Goran Runeson, and Grace Ding. "Determinants of sustainable upgrade for energy efficiency – the case of existing buildings in Australia." Energy Procedia 153 (October 2018): 284–89. http://dx.doi.org/10.1016/j.egypro.2018.10.002.
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Aye, Lu, and Dominique Hes. "GREEN BUILDING RATING SYSTEM SCORES FOR BUILDING REUSE." Journal of Green Building 7, no. 2 (April 2012): 105–12. http://dx.doi.org/10.3992/jgb.7.2.105.
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Green Building rating systems are the main vehicles for commercial application of ecologically sustainable design for buildings. Using less materials, modular design for deconstruction, long life structure, using recoverable materials are emerging concepts to reduce environmental impacts and increase the resource and economic efficiency of buildings. It has been argued that because of recent emergence of these concepts, Green Building rating systems do not fairly recognise the environmental benefits gained. This paper quantifies the impacts of the building reuse concept on the environment and the Green Building rating system scores and compares this with the energy category. It was found that lifecycle embodied greenhouse gas emission of approximately 20 kg CO2-e/m2/annum could be saved, if 80% of the office building components (structure, façade, wall, floor and roof) were reused in Australia. A second finding was that the current BREEAM 2008 and LEED 2009 tools do not provide fair recognition of the potential lifecycle embodied greenhouse gas emission reduction of building reuse compared to operational greenhouse gas emission reduction.
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Sangiorgio, A., and A. Brambilla. "Sustainable buildings need sustainable design processes: the case of the Woodside Building for Technology and Design, the first University building in Australia to aim for the Passivhaus certification." IOP Conference Series: Earth and Environmental Science 588 (November 21, 2020): 022072. http://dx.doi.org/10.1088/1755-1315/588/2/022072.
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Aghili, Nasim, and Mehdi Amirkhani. "SEM-PLS Approach to Green Building." Encyclopedia 1, no. 2 (June 18, 2021): 472–81. http://dx.doi.org/10.3390/encyclopedia1020039.
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Green buildings refer to buildings that decrease adverse environmental effects and maintain natural resources. They can diminish energy consumption, greenhouse gas emissions, the usage of non-renewable materials, water consumption, and waste generation while improving occupants’ health and well-being. As such, several rating tools and benchmarks have been developed worldwide to assess green building performance (GBP), including the Building Research Establishment Environmental Assessment Method (BREEAM) in the United Kingdom, German Sustainable Building Council (DGNB), Leadership in Energy and Environmental Design (LEED) in the United States and Canada, Comprehensive Assessment System for Built Environment Efficiency (CASBEE) in Japan, Green Star in Australia, Green Mark in Singapore, and Green Building Index in Malaysia. Energy management (EM) during building operation could also improve GBP. One of the best approaches to evaluating the impact of EM on GBP is by using structural equation modelling (SEM). SEM is a commanding statistical method to model testing. One of the most used SEM variance-based approaches is partial least squares (PLS), which can be implemented in the SmartPLS application. PLS-SEM uses path coefficients to determine the strength and significance of the hypothesised relationships between the latent constructs.
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Jensen, Christopher A., and Jessamie Yule. "Response strategies used to mitigate the effect of extreme weather on rural and remote housing in Australia." IOP Conference Series: Materials Science and Engineering 1218, no. 1 (January 1, 2022): 012049. http://dx.doi.org/10.1088/1757-899x/1218/1/012049.
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Abstract In the extreme climates of Australia, rural and remote locations have special site and dwelling requirements and therefore special design solutions. This can include construction constraints, bushfire risk, resource efficiency, comfort and respect for the surrounding environment and heritage. Existing regulations targeted at extreme weather impacts such as bushfire, flood, cyclones, and heatwaves often impact the design and material choices for rural and remote housing due to their exposed locations, including housing proposed for rebuild following damage resulting from an extreme weather event. These regulations also lead to increased costs and uncertainty about the suitability of rural land for construction, making it challenging for rebuilding communities in affected areas. Such well-intentioned regulations also create limitations on innovation through experimental / bespoke building design, such as; 1) novel solutions to extreme weather mitigation and resistance 2) material choices for construction; and 3) achievement of operational and embodied energy reductions. Experimental buildings provide significant innovation benefits to industry as is often seen in the development of sustainable and high-performance buildings. This research examines the academic and industry knowledge of current design regulations for extreme weather events and implications for experimental and innovative design, highlighting the challenges for buildings to achieve increasing standards of environmental performance whilst ensuring resilience in the face of increasing extreme weather events, with a specific focus on rural communities. Case study analysis is used to provide an understanding of the focus and strategies used by different groups in different locations to address the impacts of extreme weather.
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Albatayneh, Aiman, Dariusz Alterman, Adrian Page, and Behdad Moghtaderi. "The Significance of Building Design for the Climate." Environmental and Climate Technologies 22, no. 1 (December 31, 2018): 165–78. http://dx.doi.org/10.2478/rtuect-2018-0011.
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Abstract Building design is important for saving energy and reducing GHG emissions by applying passive solar heating and cooling design principles and using the right materials and appropriate design tools. This will make the home healthier and more comfortable. The design of energy efficient and sustainable buildings is critical for the future. A key aspect of any design is the realistic and accurate prediction of the performance of the building under a wide range of weather conditions. This paper examines the effect of different climate zones in Australia (which are comparable to the world's major climates) on the thermal performance of a complete building and recommended design techniques to suit each climate zone to enhance the overall thermal performance. To examine the effect of the location (different climates) on the overall thermal performance and how a good design in one location may not be suitable at another location, AccuRate will be used to assess the thermal performance for the exact module in different climates zones to allow a fair comparison to find the appropriate design for the climate where the building is located. Also, in this research, each climate zone design requirements and techniques were addressed for various climate variables (including: solar radiation, rainfall, wind speed and direction and humidity) to design sustainable building which save great amount of energy while sustaining occupants thermal comfort.
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Seo, Seongwon, and Greg Foliente. "Carbon Footprint Reduction through Residential Building Stock Retrofit: A Metro Melbourne Suburb Case Study." Energies 14, no. 20 (October 12, 2021): 6550. http://dx.doi.org/10.3390/en14206550.
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Since existing residential buildings are a significant global contributor to energy consumption and greenhouse gas (GHG) emissions, any serious effort to reduce the actual energy and carbon emissions of the building sector should explicitly address the carbon mitigation challenges and opportunities in the building stock. This research investigates environmentally and economically sustainable retrofit methods to reduce the carbon footprint of existing residential buildings in the City of Greater Dandenong as a case study in Metropolitan Melbourne, Australia. By categorizing energy use into various building age brackets and dwelling types that align with changes in energy regulations, we identified various retrofit prototypes to achieve a targeted 6.5-star and 8-star energy efficiency rating (out of a maximum 10-star rating system). The corresponding operational energy savings through different retrofit options are examined while also considering the quantity of materials required for each option, along with their embodied energy and GHG emissions, thus allowing a more comprehensive lifecycle carbon analysis and exploration of their financial and environmental payback times. Results show that when buildings are upgraded with a combination of insulation and double-glazed windows, the environmental benefits rise faster than the financial benefits over a dwelling’s lifecycle. The size or percentage of a particular dwelling type within the building stock and the remaining lifecycle period are found to be the most important factors influencing the payback periods. Retrofitting the older single detached dwellings shows the greatest potential for lifecycle energy and carbon savings in the case suburb. These findings provide households, industry and governments some guidance on how to contribute most effectively to reduce the carbon footprint of the residential building sector.
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X.W. Zou, Patrick, and Rebecca J. Yang. "Improving sustainability of residential homes: occupants motivation and behaviour." International Journal of Energy Sector Management 8, no. 4 (October 28, 2014): 477–91. http://dx.doi.org/10.1108/ijesm-01-2014-0002.
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Purpose – This paper aims to investigate residential occupants’ motivations and behaviour on energy savings. Energy consumption in residential buildings is a major contributor to greenhouse gas emissions. Design/methodology/approach – By using an online survey questionnaire instrument, this research collected 504 sets of responses from households in the state of New South Wales, Australia. Findings – Through statistical analysis of the data collected, this research found that construction cost and government incentive were considered as the major influencing factors on achieving energy-efficient residential building development, and the lower bills resulted from the reduced energy and water consumption were considered as the most important benefits. The research also found that many households exhibited a high level of awareness and had implemented some sustainability improvement measures. It is suggested, based on these research findings, that governments should articulate, by means of education, the rationale and benefits of sustainable home development that are identified in this research and reduce material costs and increase government incentives. Originality/value – A framework on improving residential sustainability was proposed in this paper. Stakeholders in the sustainable home supply chain could use this framework as a reference to pave the way for energy efficient home development from their perspective
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Khan, Kashan, Zhihua Chen, Jiadi Liu, and Khadija Javed. "State-of-the-Art on Technological Developments and Adaptability of Prefabricated Industrial Steel Buildings." Applied Sciences 13, no. 2 (January 4, 2023): 685. http://dx.doi.org/10.3390/app13020685.
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Compared to traditional onsite steel construction, prefabricated industrial steel construction (PFISC) saves time, money, and resources. It results in sustainable steel structures that use fewer resources and are better for the environment. Despite their advantages, the private sector favors creating high-rise buildings in an old-fashioned way. In order to encourage the adaptability of prefabricated industrial steel buildings (PFISBs) in high-rise structures, this study critically evaluates the adaptable solutions offered in the literature on the recent developments, structural performances, present difficulties, and future potential. In mid-rise and low-rise structures, PFISC is frequently used. In research and case studies, PFISBs have proven to perform admirably under various adverse conditions, including in the event of an earthquake, wind, blast, impact, fire, collapse, and long-term sustained loads. The use of potential research solutions, the “Top-down” strategy, and the resolving of problems such as the structural-based design guidelines, column stability, discontinuous vertical and horizontal diaphragms, cluster columns and beams effect, damage-free and innovative inter- and intra-modular connections, high strength-to-weight modules, numerical simulation, and transportation will help PFISBs to become more widely accepted in high-rise structures. Compared to other materials, steel has recently demonstrated great promise for the construction of PFISBs. Additionally, China plans to increase their PFISC to 30% by 2026, Australia to 15% by 2025, and North America to over 5% by 2023, proving that it is a reasonable response to future urbanization concerns.
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Misopoulos, Fotios, Vicky Manthou, and Zenon Michaelides. "Environmental and Social Sustainability in UK Construction Industry: a Systematic Literature Review." European Journal of Economics and Business Studies 5, no. 1 (April 30, 2019): 100. http://dx.doi.org/10.26417/ejes.v5i1.p100-115.
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Research on sustainability in the construction industry is common in construction journals addressing the potential adverse effects conventional practices have in the construction community. Sustainability is addressed through the environmental, social and economic impacts in literature and researchers and practitioners always drive the need for an equal attention on these three dimensions, but not so successfully at present. Sustainability covers a broad content with various suggested approaches arising from different countries all over the world. Previous studies have investigated sustainable construction issues as a global concept and in individual developed countries such as the US, Australia, and China. The aim of this research is to investigate the extent of coverage, by academia, of the sustainability concept in UK construction industry, with a focus on the environmental and social aspects of sustainability, based on the Triple Bottom Line framework. The researchers conducted a systematic literature review, searching relevant articles with predefined criteria in two major bibliographical databases, which offer great coverage of the existing academic journals in social sciences. The study utilised the PRISMA reporting approach and the search resulted in thirty-one suitable articles. The findings revealed that environmental sustainability receives much more attention than social sustainability. Added emphasis is given to green buildings and materials used. Government regulations seem to be the leading driver for adopting sustainable practices, while lack of knowledge/awareness of sustainable best practices is the leading challenge.
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Diakite, A. A., L. Ng, J. Barton, M. Rigby, K. Williams, S. Barr, and S. Zlatanova. "LIVEABLE CITY DIGITAL TWIN: A PILOT PROJECT FOR THE CITY OF LIVERPOOL (NSW, AUSTRALIA)." ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences X-4/W2-2022 (October 14, 2022): 45–52. http://dx.doi.org/10.5194/isprs-annals-x-4-w2-2022-45-2022.
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Abstract. In recent years, the concept of Digital Twin (DT) for cities is increasingly at the core of most smart city initiatives, as it has been identified as a critical tool for tackling the challenges of this century. A robust city modelling framework is essential if local, state and national governments are to move towards sustainable built environments and work together across complex multi-sectoral problems to drive impacts that improve urban liveability and climate adaptability. Furthermore, the level of collaboration and interoperability required to address these cannot be achieved without proper standardisation of DT components. The aim of this project is to develop a demonstration DT that integrates existing data using a standardised 3D format based on CityGML and that embeds analytics, such as sun exposure and tree coverage, to assess liveability within a 3D city modelling framework. Common urban features such as buildings, roads, railways, vegetation and water bodies are also processed and incorporated. Additionally, IoT sensors are integrated into the model and all processes are performed using open-source tools to improve accessibility and repeatability. Details of the workflow, including the storage of the city features in a 3D City Database (3DCityDB), the 3D upgrading of urban features commonly available as 2D data as well as a few use cases are illustrated and discussed in this paper.
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Viola and Diano. "Repurposing the Built Environment: Emerging Challenges and Key Entry Points for Future Research." Sustainability 11, no. 17 (August 27, 2019): 4669. http://dx.doi.org/10.3390/su11174669.
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The built environment faces challenges in all three dimensions of sustainable development—economic, social, and environmental. The increasing loss of functionality is a cross-sectional issue affecting buildings and settlements and their layering of social, spatial, and cultural processes. Based on a critical review, this paper aims to bridge the gap between international charters and ongoing research for built environments losing their original uses. Three emerging challenges to sustainability in repurposing are outlined from the debate, checking their incidence on research: (a) values preservation, (b) resources optimization, (c) systems effectiveness promotion. Experiences of conversion and regeneration in Japan, the Netherlands, Australia, Hong Kong City, and the USA are taken into account with the aim of comparing approaches, methods, and results. The discussion highlights three key entry points for future research on built environments: (1) communities involvement: new alliances between stakeholders, (2) the potential of technologies: combining resources’ protection and affordability, and (3) renewed productivity to preserve values and uses.
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Sorooshnia, Ehsan, Payam Rahnamayiezekavat, Maria Rashidi, Mahsan Sadeghi, and Bijan Samali. "Curve Optimization for the Anidolic Daylight System Counterbalancing Energy Saving, Indoor Visual and Thermal Comfort for Sydney Dwellings." Energies 16, no. 3 (January 18, 2023): 1090. http://dx.doi.org/10.3390/en16031090.
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Daylight penetration significantly affects building thermal-daylighting performance, and serve a dual function of permitting sunlight and creating a pleasant indoor environment. More recent attention has focused on the provision of daylight in the rear part of indoor spaces in designing sustainable buildings. Passive Anidolic Daylighting Systems (ADS) are effective tools for daylight collection and redistribution of sunlight towards the back of the room. As affordable and low-maintenance systems, they can provide indoor daylight and alleviate the problem of daylight over-provision near the window and under-provision in the rear part of the room. Much of the current literature on the ADS pays particular attention to visual comfort and rarely to thermal comfort. Therefore, a reasonable compromise between visual and thermal comfort as well as energy consumption becomes the main issue for energy-optimized aperture design in the tropics and subtropics, in cities such as Sydney, Australia. The objective of the current study was to devise a system that could act as a double-performance of shade and reflective tool. The central aim of this paper is to find the optimum curve that can optimize daylight admission without an expensive active tracking system. A combination of in-detail simulation (considering every possible sky condition throughout a year) and multi-objective optimization (considering indoor visual and thermal comfort as well as the view to the outside), which was validated by field measurement, resulted in the optimum ADS for the local dwellings in Sydney, Australia. An approximate 62% increase in Daylight Factor, 5% decrease in yearly average heating load, 17% savings in annual artificial lighting energy, and 30% decrease in Predicted Percentage Dissatisfied (PPD) were achieved through optimizing the ADS curve.
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Thomaier, Susanne, Kathrin Specht, Dietrich Henckel, Axel Dierich, Rosemarie Siebert, Ulf B. Freisinger, and Magdalena Sawicka. "Farming in and on urban buildings: Present practice and specific novelties of Zero-Acreage Farming (ZFarming)." Renewable Agriculture and Food Systems 30, no. 1 (April 24, 2014): 43–54. http://dx.doi.org/10.1017/s1742170514000143.
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AbstractConsidering global trends such as climate change and resource scarcity, a major challenge of future cities will be to reduce urban footprints. Moreover, cities have to become or remain livable for their inhabitants and offer social and economic opportunities. Thus, reconnecting food production and cities offers promising potential. The diffusion of urban farming reflects a rising awareness of how food and farming can shape our cities. A growing number of urban farming projects exist in and on urban buildings, including open rooftop farms, rooftop greenhouses and indoor farming. These projects are characterized by the non-use of land or acreage for farming activities. We use the term ‘Zero-Acreage Farming’ (ZFarming) to represent these farms. The objective of this paper is to: (1) illustrate and systemize present practices of ZFarming and (2) discuss specific novelties of ZFarming in the wider context of urban agriculture. We analyzed 73 ZFarms in cities of North America, Asia, Australia and Europe using a set of criteria, and developed a typology of ZFarming, complemented by in-depth interviews with pioneers in rooftop farming in New York. The results illustrate that ZFarming generates innovative practices that may contribute to a sustainable urban agriculture. Besides growing food, it produces a range of non-food and non-market goods. It involves new opportunities for resource efficiency, new farming technologies, specific implementation processes and networks, new patterns of food supply and new urban spaces.
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Parmehr, Ebadat G., Marco Amati, and Clive S. Fraser. "MAPPING URBAN TREE CANOPY COVER USING FUSED AIRBORNE LIDAR AND SATELLITE IMAGERY DATA." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences III-7 (June 7, 2016): 181–86. http://dx.doi.org/10.5194/isprsannals-iii-7-181-2016.
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Urban green spaces, particularly urban trees, play a key role in enhancing the liveability of cities. The availability of accurate and up-to-date maps of tree canopy cover is important for sustainable development of urban green spaces. LiDAR point clouds are widely used for the mapping of buildings and trees, and several LiDAR point cloud classification techniques have been proposed for automatic mapping. However, the effectiveness of point cloud classification techniques for automated tree extraction from LiDAR data can be impacted to the point of failure by the complexity of tree canopy shapes in urban areas. Multispectral imagery, which provides complementary information to LiDAR data, can improve point cloud classification quality. This paper proposes a reliable method for the extraction of tree canopy cover from fused LiDAR point cloud and multispectral satellite imagery data. The proposed method initially associates each LiDAR point with spectral information from the co-registered satellite imagery data. It calculates the normalised difference vegetation index (NDVI) value for each LiDAR point and corrects tree points which have been misclassified as buildings. Then, region growing of tree points, taking the NDVI value into account, is applied. Finally, the LiDAR points classified as tree points are utilised to generate a canopy cover map. The performance of the proposed tree canopy cover mapping method is experimentally evaluated on a data set of airborne LiDAR and WorldView 2 imagery covering a suburb in Melbourne, Australia.
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Parmehr, Ebadat G., Marco Amati, and Clive S. Fraser. "MAPPING URBAN TREE CANOPY COVER USING FUSED AIRBORNE LIDAR AND SATELLITE IMAGERY DATA." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences III-7 (June 7, 2016): 181–86. http://dx.doi.org/10.5194/isprs-annals-iii-7-181-2016.
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Urban green spaces, particularly urban trees, play a key role in enhancing the liveability of cities. The availability of accurate and up-to-date maps of tree canopy cover is important for sustainable development of urban green spaces. LiDAR point clouds are widely used for the mapping of buildings and trees, and several LiDAR point cloud classification techniques have been proposed for automatic mapping. However, the effectiveness of point cloud classification techniques for automated tree extraction from LiDAR data can be impacted to the point of failure by the complexity of tree canopy shapes in urban areas. Multispectral imagery, which provides complementary information to LiDAR data, can improve point cloud classification quality. This paper proposes a reliable method for the extraction of tree canopy cover from fused LiDAR point cloud and multispectral satellite imagery data. The proposed method initially associates each LiDAR point with spectral information from the co-registered satellite imagery data. It calculates the normalised difference vegetation index (NDVI) value for each LiDAR point and corrects tree points which have been misclassified as buildings. Then, region growing of tree points, taking the NDVI value into account, is applied. Finally, the LiDAR points classified as tree points are utilised to generate a canopy cover map. The performance of the proposed tree canopy cover mapping method is experimentally evaluated on a data set of airborne LiDAR and WorldView 2 imagery covering a suburb in Melbourne, Australia.
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Huxedurp, Leonie M., Guðný Þ. Pálsdóttir, and Nanda Altavilla. "Risk-based planning for water recycling in an Australian context." Water Supply 14, no. 6 (June 3, 2014): 971–83. http://dx.doi.org/10.2166/ws.2014.058.
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Australia has seen an unprecedented proliferation in large scale water recycling schemes since the late 1990s. This has been driven by a recent decade of drought, policies to encourage water efficiency in new homes and buildings in urban areas, and to reduce pressure on rain-fed water supplies by replacement with alternate water sources in rural areas. Underpinning these drivers are principles of economic and environmental sustainability and protection of public health. National guidelines for recycling of treated sewage, released in 2006, replaced an approach using prescriptive end point water quality targets, with a 12-step risk-based framework for the planning and operation of Australian water recycling schemes. Essential to this risk-based approach is an understanding of the sewage treatment system and assessing the risks in the catchment, the treatment process, distribution system and end use environment. Inherent also in this process is the identification of critical control points with tangible operational targets for pre-empting, preventing and correcting off-spec conditions before they derail a scheme. Validation of systems through microbial log reduction targets for indicator viruses, bacteria, protozoa and helminths, differentiated according to end use and expected exposures, may be obtained through treatment, site controls or a combination of both. Drawing on case studies from the Australian states of New South Wales (NSW) and Queensland (Qld), this paper gives insight to preventative risk management of water recycling schemes with typical risk profiles. Some advantages and disadvantages of the guideline approach are considered. The information paints a picture of the industry's risk management obligations in the planning phase and may be of use to practitioners in other regions where planning for safe and sustainable water recycling is developing.
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De Gruyter, Chris, Geoffrey Rose, and Graham Currie. "Understanding Travel Plan Effectiveness for New Residential Developments." Transportation Research Record: Journal of the Transportation Research Board 2537, no. 1 (January 2015): 126–36. http://dx.doi.org/10.3141/2537-14.
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Travel plans can be required for new or expanded buildings as part of the process of land use planning and approval. The purpose of these plans is to manage car use of future building occupants and support access by more sustainable forms of transport. Although the effectiveness of travel plans is generally well established at preexisting sites, there is very little evidence of the impacts when they are applied to new developments, particularly residential sites. In response to this situation, a series of multimodal person trip counts and parking surveys was undertaken at four case sites (residential developments with travel plans) and four control sites (similar residential developments without travel plans) in Melbourne, Australia. Results indicated that the average weekday (7:00 a.m. to 9:00 a.m.) mode share for car driver trips was 14 percentage points lower at the case sites than at the control sites. The findings also highlighted issues with relying solely on comparisons with secondary data sources, such as published vehicle trip generation rates and regional travel survey data, to assess travel plan effectiveness. Such reliance was shown to lead to an overestimation of travel plan impacts because of inconsistencies in the geographical locations and data collection periods of the secondary data sources. This finding highlights the importance of using suitable control sites to account for such factors. Further work is needed to strengthen the evidence base through evaluating travel plans at other residential developments and also accounting for residential self-selection effects.
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Bills, Kym. "Building a world-class Australian decommissioning industry." APPEA Journal 58, no. 2 (2018): 690. http://dx.doi.org/10.1071/aj17154.
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Collaboration in decommissioning offshore infrastructure could save both industry and taxpayers billions of dollars and facilitate new industries and exports for Australia, especially in the Asia-Pacific region. At the end of the liquefied natural gas (LNG) plant construction boom, Australia must not miss out on this major new opportunity. The 2017 bid for Commonwealth funding to establish a Decommissioning Offshore Infrastructure Cooperative Research Centre (DOI-CRC) involved more than 30 participants and many other collaborators. High-level commitments were made by Chevron, Woodside, Shell, BHP, ExxonMobil, Quadrant, The University of Western Australia, Curtin University, the University of New South Wales, Deakin University, Australian Maritime College, CSIRO and Australian Institute of Marine Science. A Perth-based DOI-CRC was supported by National Energy Resources Australia, National Offshore Petroleum Safety and Environmental Management Authority and other Australian Government bodies and by the Western Australian Government and its Chief Scientist and agencies but did not receive sufficient support from the CRC Advisory Committee. Meeting decommissioning challenges in the North West Shelf, Bass Strait and the Northern Territory in a timely, robust, scientific, efficient and cost-effective manner that contributes to a sustainable marine environment should draw upon and augment international best practice with local capability and expertise. Good science and innovative engineering are needed to support regulatory approval of options such as ‘rigs to reefs’ and commercial opportunities such as in waste management and expanded fishing and tourism. APPEA and operators wish to maintain DOI-CRC’s momentum and learn from UK research arrangements through funding marine science projects. But we must be much broader if we are to build a sustainable world-class Australian decommissioning industry. In particular, we need to work more closely with state and federal regulators and policymakers and undertake more engineering science research and innovation.
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Burroughs, Steve. "Recommendations for the Selection, Stabilization, and Compaction of Soil for Rammed Earth Wall Construction." Journal of Green Building 5, no. 1 (February 1, 2010): 101–14. http://dx.doi.org/10.3992/jgb.5.1.101.
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Rammed earth possesses environmental advantages over most other competing construction materials. However, if it is to be more routinely used in the construction of modern, sustainable buildings, its material properties and production processes must be properly quantified. This paper proposes practical recommendations for soil selection, stabilizer treatment, and on-site compaction for rammed earth, based on a recent set of 219 stabilization experiments. The purpose of the recommendations is to maximize the probability of constructing rammed earth walls that meet or exceed a compressive strength criterion of 2 MPa. The recommendations cover: (1) Quantifying the natural soil properties of linear shrinkage and texture in a staged sequence in order to identify suitable soils to stabilize (and to reject unsuitable soils); (2) Quantifying the amounts of cement and/or lime to be added to the selected soil according to the values of soil properties measured; and (3) Quantifying the forces involved in on-site compaction of stabilized soil (for both manual and pneumatic ramming), and relating these to laboratory-based test standards. Although the recommendations need to be tested and verified/refined using new data, their initial application to rammed earth construction situations in Australia indicates that they have predictive utility. Further research will also indicate the degree of applicability of the recommendations to the production of compressed earth bricks.
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Rasekh, Haleh, and Timothy J. McCarthy. "DELIVERING SUSTAINABLE BUILDING PROJECTS – CHALLENGES, REALITY AND SUCCESS." Journal of Green Building 11, no. 3 (June 2016): 143–61. http://dx.doi.org/10.3992/jgb.11.3.143.1.
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This research concerns the delivery of sustainable building projects. These projects are defined as those which either attempt to achieve green ratings or are claimed to address certain sustainability issues. A key focus is to examine how the client's vision for sustainability is achieved or compromised by the practicality of construction. Two sustainability rating systems, the Australian Green Star and the Living Building Challenge from the U.S. are discussed. This research examines two projects; one university multipurpose building (SMART Infrastructure Facility); and an advanced research facility, the Sustainable Buildings Research Centre (SBRC). The methodology used is semi-structured interviews of key participants and stakeholders for the two university building. The outcome of this research indicates that environmental rating systems are useful tools to construct reasonably sustainable buildings. Many interviewees, however, believe that for their next projects the concern would be to continue to construct sustainable buildings but not necessarily by following the strict criteria and reporting requirements of the environmental rating system.
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Wilkinson, Sara. "Building approval data and the quantification of sustainability over time." Structural Survey 33, no. 2 (May 11, 2015): 92–108. http://dx.doi.org/10.1108/ss-02-2015-0009.
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Purpose – The fifth IPCC report on climate change concluded current progress to mitigate anthropocentric climate change is not making any impact. As the built environment emits 50 percent of total greenhouse gas emissions, mitigating climate change through sustainable construction and adaptation is a priority. Although many new buildings have sustainability ratings, they comprise a minute amount of the total stock. Meanwhile policy makers are adopting strategies to become carbon neutral with targets that require measurement. The purpose of this paper is to propose a means of quantifying the uptake of sustainability across all stock over time using existing policy frameworks. Design/methodology/approach – Given that this is a scoping study to explore the potential to adapt existing frameworks to facilitate the quantification of the uptake of sustainability measures over time, the research adopted a focus group technique with experienced stakeholders in Australia and England. Qualitative research is inductive and hypothesis generating. That is; as the research assimilates knowledge and information contained in the literature ideas and questions are formed, which are put to research participants and from this process conclusions are drawn. Findings – It is technologically feasible to collect data on sustainability measures within the building approvals systems in Victoria and NSW Australia and England and Wales and a conceptual model is proposed. Economically, costs need to be covered, and it is unclear which group should pay. Socially, the benefits would be to determine how society is progressing towards goals. The benefits of achieving reduced carbon emissions would be mitigation of the predicted changes to climate and informing society of progress. Politically, it is unlikely there is a will to make provisions for this proposal in existing regulatory systems. Research limitations/implications – The key limitations of the research were that the views expressed are those of a select group of experienced practitioners and may not represent the consensus view of the professions and industry as a whole. The limitations and criticisms of focus group data collection are that the sessions may be dominated by individuals holding strong views. Practical implications – The findings show that adaptation of the existing data collected by building control authorities could allow some quantification of the uptake of sustainability measures over time. A simple initial system could be implemented with relative ease to ascertain the value of the data. Over time the system could be extended to collect more data that could facilitate more precise quantification of sustainability. Significantly policy makers would have a tool that would allow them to measure the success or otherwise of mandatory and voluntary measures introduced to increase the uptake of sustainability. Originality/value – To date, no one has considered the practicality or potential utility of adapting existing information gathered for building approval purposes for the quantification of the up-take of sustainability across the whole stock over time. The value of using building approval data are that all building types are required to have building approvals prior to work being undertaken.
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Jarwar, Mazhar Ali, Stefano Dumontet, Rosa Anna Nastro, M. Esther Sanz-Montero, and Vincenzo Pasquale. "Global Scientific Research and Trends Regarding Microbial Induced Calcite Precipitation: A Bibliometric Network Analysis." Sustainability 14, no. 23 (December 2, 2022): 16114. http://dx.doi.org/10.3390/su142316114.
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Microbial induced calcite precipitation (MICP) offers a host of interesting features, from both theoretical and practical standpoints. This process was firstly investigated as a geo-biological mechanism involved in carbonate mineral formation in both rocks and soil. The interest in its practical use has significantly increased in recent years, as MICP has been used in different fields, such as oil recovery, the improvement of soil geotechnical characteristics, and concrete healing. To the best of our knowledge, this work is the first attempt to carry out a bibliometric descriptive study of publications concerning MICP. We analyzed data from the Web of Science Core Collection (WoSCC), which provides comprehensive information for bibliometric analysis, including the Science Citation Index Expanded (SCI-E) and the Social Sciences Citation Index (SSCI). The bibliometric analysis was carried out on 1580 publications, from 2000 to August 2022, and included publication output; author; institution; country; collaborations between authors, institutes, and countries; and citation frequency. We created visualization maps, including research collaborations, using the VOSviewer program. MICP, carbonate precipitation, cementation, and soil improvement in terms of geotechnical properties are frequently used keywords. Although in the year 2000, only two papers were published on MICP, the number of publications has increased rapidly since 2014. In 2021, 333 papers were published. China leads the pack as the most productive country, followed by the USA and Australia. According to our results, the number of research papers has dramatically increased in the last 5 years. MICP use for concrete healing/cementation and soil geotechnical improvement, as well as the low environmental impact of such a technique, are becoming very popular topics among researchers. With the aging of concrete buildings, as well as with the worsening of environmental pollution and soil alterations, the research regarding MICP will play an ever increasing and crucial role in civil engineering and geotechnical fields, as well as in soil science. MICP also address Sustainable Development Goal 11, “building sustainable cities and communities.” Nevertheless, our study pointed out a concentration of the MICP studies in just a few countries. Russia and Brazil, for instance, seem to poorly contribute to MICP research. Greater cooperation among countries, along with the extension of the research network on this topic, would foster more rapid progress in MICP studies, from both practical and speculative standpoints.
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Windapo, Abimbola Olukemi, and Jack Steven Goulding. "Understanding the gap between green building practice and legislation requirements in South Africa." Smart and Sustainable Built Environment 4, no. 1 (May 18, 2015): 67–96. http://dx.doi.org/10.1108/sasbe-01-2014-0002.
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Purpose – The purpose of this paper is to examine green building legislation requirements and practices in the construction project execution stage within the context of the South African construction industry. The rationale for this examination rests with the perception that the implementation of green practices (per se) has been recognised as being “behind” the legislation enacted to control the design and construction of green buildings. Design/methodology/approach – The research process consisted of a literature review to identify existing green building legislation and practices applicable to the project execution phase. This was supported by a sequential mixed-method research approach, which involved a survey of contracting companies based in the Western Cape Province of South Africa. Purposive sampling was used to undertake focused interviews with management staff and site operatives. Findings – Research findings established a number of issues, not least: a gap between green building practices and legislation requirements; a high degree of unawareness of green building legislation/practices by construction company stakeholders; selective implementation of health and safety legislative requirements; that management staff had a more “positive” attitude to green building practices than site-based staff who tended to be less motivated and open to such practices. Research limitations/implications – Results from this study are considered generalisable with the sample frame only. Research inference and projections should therefore only be made within this set, and not to the wider population of South African contractors (as this study was limited to the Western Cape Province). Practical implications – Implications from this research are applicable to construction company stakeholders within the population set. Practical considerations include the need to acknowledge a formal commitment to developing a sustainable built environment – especially cognisant of the gap between practices on site and green building legislation requirements. Moreover, this lack of awareness in respect of green building practices and legislation requirements impinges upon several wider areas, not least: construction company stakeholders’ positioning, health and safety practices; managerial and operational staff perceptions, and stakeholders’ willingness and motivation to proactively address these gaps. Social implications – Government bodies and allied professionals in charge of construction industry development are encouraged to consider the implementation of green building legislation requirements on construction sites. This reflection should encourage engagement through formative legislative provision and transparent awareness campaigns. Originality/value – This work is original insofar as it directly addresses the alignment of legislation to current practices within the context of the South African construction industry. However, similar exercises have been undertaken on green building legislation in other countries such as USA, UK and Australia.
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Kerr, Rhonda, Delia V. Hendrie, and Rachael Moorin. "Investing in acute health services: is it time to change the paradigm?" Australian Health Review 38, no. 5 (2014): 533. http://dx.doi.org/10.1071/ah13226.
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Objective Capital is an essential enabler of contemporary public hospital services funding hospital buildings, medical equipment, information technology and communications. Capital investment is best understood within the context of the services it is designed and funded to facilitate. The aim of the present study was to explore the information on capital investment in Australian public hospitals and the relationship between investment and acute care service delivery in the context of efficient pricing for hospital services. Methods This paper examines the investment in Australian public hospitals relative to the growth in recurrent hospital costs since 2000–01 drawing from the available data, the grey literature and the reports of six major reviews of hospital services in Australia since 2004. Results Although the average annual capital investment over the decade from 2000–01 represents 7.1% of recurrent expenditure on hospitals, the most recent estimate of the cost of capital consumed delivering services is 9% per annum. Five of six major inquiries into health care delivery required increased capital funding to bring clinical service delivery to an acceptable standard. The sixth inquiry lamented the quality of information on capital for public hospitals. In 2012–13, capital investment was equivalent to 6.2% of recurrent expenditure, 31% lower than the cost of capital consumed in that year. Conclusions Capital is a vital enabler of hospital service delivery and innovation, but there is a poor alignment between the available information on the capital investment in public hospitals and contemporary clinical requirements. The policy to have capital included in activity-based payments for hospital services necessitates an accurate value for capital at the diagnosis-related group (DRG) level relevant to contemporary clinical care, rather than the replacement value of the asset stock. What is known about the topic? Deeble’s comprehensive hospital-based review of capital investment and costs, published in 2002, found that investment averages of between 7.1% and 7.9% of recurrent costs primarily replaced existing assets. In 2009, the Productivity Commission and the National Health and Hospitals Reform Commission (NHHRC) recommended capital, for the replacement of buildings and medical equipment, be included in activity-based funding. However, there have been persistent concerns about the reliability and quality of the information on the value of hospital capital assets. What does this paper add? This is the first paper for over a decade to look at hospital capital costs and investment in terms of the services they support. Although health services seek to reap dividends from technology in health care, this study demonstrates that investment relative to services costs has been below sustainable levels for most of the past 10 years. The study questions the helpfulness of the highly aggregated information on capital for public hospital managers striving to improve on the efficient price for services. What are the implications for practitioners? Using specific and accurate information on capital allocations at the DRG level assists health services managers advance their production functions for the efficient delivery of services.
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Ettelaei, Azin, Assaad Taoum, Jon Shanks, and Gregory Nolan. "Rolling Shear Properties of Cross-Laminated Timber Made from Australian Plantation Eucalyptus nitens under Planar Shear Test." Forests 13, no. 1 (January 7, 2022): 84. http://dx.doi.org/10.3390/f13010084.
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With the increasing availability of fast-growing Eucalyptus plantation logs in Australia in recent years, the timber manufacturing sector has become interested in discovering the opportunities of producing value-added timber products from this resource. Cross-laminated timber (CLT) could be a potential sustainable product recovered from this resource and supply material for commercial buildings. Shear of the inner cross-laminates, known as rolling shear, is one of the governing factors in serviceability and limit state design for this product under out-of-plane loading. This study evaluated the rolling shear (RS) properties of CLT with heterogonous layup configurations using different structural grade Eucalyptus nitens (E. nitens) timber under the planar shear test. Based on the results, Gr and τr values were shown to be significantly correlated with the density of the CLT panel. There was also a positive correlation between the RS modulus and MOR of the CLT panel. The specimens with high MOE in the top and bottom layers indicated the highest τr and Fmax values. This indicated that using high-grade boards in the top and bottom lamellae plays an important role in increasing the RS strength, whereas using them in the cross-layer has a positive contribution in increasing shear modulus. The maximum observed RS strength and modulus ranged from 2.8–3.4 MPa and 54.3–67.9 MPa, respectively, exceeding the RS characteristic values of the resource. The results obtained in this study were comparable to those recommended in European standards for softwood CLT, demonstrating the potential use for eucalypt timber boards in CLT production. This paper provides an important insight into supporting the potential engineering applications of CLT panel products fabricated with eucalypt plantation.
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Tam, Vivian W. Y., and S. X. Zeng. "Sustainable Performance Indicators for Australian Residential Buildings." Journal of Legal Affairs and Dispute Resolution in Engineering and Construction 5, no. 4 (November 2013): 168–79. http://dx.doi.org/10.1061/(asce)la.1943-4170.0000123.
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Yeates, S. J., G. R. Strickland, and P. R. Grundy. "Can sustainable cotton production systems be developed for tropical northern Australia?" Crop and Pasture Science 64, no. 12 (2013): 1127. http://dx.doi.org/10.1071/cp13220.
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This article reviews research coordinated by the Australian Cotton Cooperative Research Centre (CRC) that investigated production issues for irrigated cotton at five targeted sites in tropical northern Australia, north of 21°S from Broome in Western Australia to the Burdekin in Queensland. The biotic and abiotic issues for cotton production were investigated with the aim of defining the potential limitations and, where appropriate, building a sustainable technical foundation for a future industry if it were to follow. Key lessons from the Cotton CRC research effort were: (1) limitations thought to be associated with cotton production in northern Australia can be overcome by developing a deep understanding of biotic and environmental constraints, then tailoring and validating production practices; and (2) transplanting of southern farming practices without consideration of local pest, soil and climatic factors is unlikely to succeed. Two grower guides were published which synthesised the research for new growers into a rational blueprint for sustainable cotton production in each region. In addition to crop production and environmental impact issues, the project identified the following as key elements needed to establish new cropping regions in tropical Australia: rigorous quantification of suitable land and sustainable water yields; support from governments; a long-term funding model for locally based research; the inclusion of traditional owners; and development of human capacity.
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McLean, Lisa, and Rob Roggema. "Planning for a Prosumer Future: The Case of Central Park, Sydney." Urban Planning 4, no. 1 (February 21, 2019): 172–86. http://dx.doi.org/10.17645/up.v4i1.1746.
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Rapid convergence of utility and mobility solutions enabled by data and the Internet of Things is future-proofing economies around the world, delivering liveability, sustainability and resilience, and importantly decreases pressure on utility bills and infrastructure costs. Australians cannot miss out on the many benefits brought to families and businesses by the digitisation of infrastructure and services are bringing—not just reduced household bills but also the ability to generate income as prosumers, not consumers. Localised sustainable Next-Gen infrastructure and services are growing from within communities, creating a new class of consumer—the prosumer: where customers are more than consumers but also producers. Prosumers have the ability to generate free energy from the sun at home or office and sell the excess, recycle water and waste reaping the financial benefit, avoid the second largest household expense of a car by sharing mobility, and access shared data networks to plug in and play at little cost. Planning frameworks play a critical role in enabling a new utility prosumer future in Australia and reform of planning gateway processes is essential. This article highlights Sydney’s Central Park as a best practice urban infill development showcasing how the flows of water and energy are organised to provide enhanced sustainability, liveability and resilience for the local and neighbouring communities. Central Park proves the benefits of taking a precinct approach to utility and mobility services. It shows how these benefits can grow and be exported to neighbouring buildings and existing communities, in this case University of Technology driving inclusion and affordability. Central Park also demonstrates the opportunities to drive deeper socio/environmental benefits by enabling prosumer services through low-cost access to utility services and circular resource flows. Importantly, this article demonstrates that Central Park’s phenomenal sustainability benefits can be replicated at scale in land release communities, but planning reform is required.