ORCID Profile
0000-0001-7438-2855
Current Organisations
University of South Australia
,
UNSW Sydney
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Publisher: International Community of Spatial Planning and Sustainable Development
Date: 15-04-2021
Publisher: AIP Publishing
Date: 2019
DOI: 10.1063/1.5117109
Publisher: MDPI AG
Date: 24-10-2022
DOI: 10.3390/SU142113773
Abstract: With the changing trends in global climate and increasing awareness of the environmental impact of the built environment, private and public sector building stakeholders are under constant and mounting pressure to reduce carbon emissions, energy consumption and waste generation. Conceptually, green building regulations are claimed to be the most effective tool toward promoting better environmental outcomes. Nonetheless, there is limited empirical evidence to justify claims for their effectiveness, especially in the Australian context, despite the introduction of various green building standards and regulations over the past two decades. In addressing this gap, this research aims to map the energy consumption and carbon emissions of certified offices under the mandatory Commercial Building Disclosure program. For this, the energy and carbon efficiencies of green certified commercial offices within the eight Australian central business districts (CBD) for 2011–2020 were assessed, and the offices were classified as green and non-green offices, based on their National Australian Built Environment Rating System (NABERS) of fewer than 4, and 4 and above stars, respectively. Data were extracted from the Commercial Building Disclosure program datasheet and thereafter analysed using various descriptive and inferential statistical techniques. Furthermore, the normalisation process was undertaken to capture the relative changes in energy and environmental performance between green and non-green offices. The results show an encouraging trend of a possible significant improvement in energy savings, and a reduction in carbon emissions for offices that have undergone retrofit and obtained an increase in their NABERS ratings. However, it is notable that 6-star NABERS-certified offices sometimes tend to save less energy than their 4- and 5-star rated counterparts, despite their high initial investment costs. Thus, this informs policymakers, authorities and practitioners that the highest NABERS rating does not necessarily help reduce energy consumption in buildings, and that greater emphasis should be placed on promoting the use of a whole building design approach, by exploring a more effective and appropriate combination of features, systems and materials based on stakeholders’ needs and behaviours.
Publisher: Elsevier BV
Date: 2017
Publisher: Inderscience Publishers
Date: 2018
Publisher: IOP Publishing
Date: 08-2019
DOI: 10.1088/1757-899X/601/1/012022
Abstract: The greenness of office buildings is becoming a more important issue as it contributes to the sustainability of the building sector. Moreover, by leasing greener offices, tenants can be benefitted by the improved indoor environmental quality and better corporate branding attributed to its positive image. These benefits, however, often come with relatively expensive prices that tenants need to pay. Nevertheless, the sources of the price premium have not been fully explored especially from the aspect of tenants’ leasing behaviours. To address this, a questionnaire survey was conducted. Then, exploratory and confirmatory factor analysis were performed to identify the underlying dimensions of tenants’ leasing behaviours and to ensure their reliability and validity. The results show that tenants’ office leasing behaviours must be explained by several dimensions. Also, it is found that the obtained results have a sufficient reliability and validity. These allow proceeding to the next stage of the research to explain if and to what extent the greenness level of tenants’ offices and the rents they pay are influenced by various motivational variables based on the established analytical model.
Publisher: MDPI AG
Date: 09-01-2023
DOI: 10.3390/BUILDINGS13010166
Abstract: Given the construction industry’s culture of presenteeism and long work hours, construction workforce who used to working in the company workplace were affected by the sudden shift to working from home (WFH) setting due to the COVID-19 pandemic lockdowns. Focusing on consultants in the Australian construction industry, this exploratory study examines: (i) in idual perceptions of the impacts of WFH challenges on work activities and performance, and (ii) their self-reported work productivity, overall WFH satisfaction and future preference for WFH post-pandemic. The online survey results show that most respondents were new to the WFH arrangement. However, the evidence is suggestive that they were adapting well as demonstrated by their perceived positive impacts of most WFH challenges on their work activities and performance. The results also show that as the respondents’ self-reported work productivity increases, their overall satisfaction with WFH increases and they would welcome WFH arrangement post-pandemic, and vice versa. The female respondents demonstrated higher overall WFH satisfaction and preference for WFH post-pandemic compared to male respondents, signifying the relationship between gender and their perceptions. These findings have implications for employing organizations in addressing human resource management challenges to maximize the potential benefits of WFH practices post-pandemic.
Publisher: AIP Publishing
Date: 2019
DOI: 10.1063/1.5117112
Publisher: Elsevier BV
Date: 2017
Publisher: SAGE Publications
Date: 26-04-2013
Abstract: The principles of sustainability in the healthcare building sector are perceived differently by different healthcare building user groups. Based on a cross-sectional survey of hospital patients, staff, visitors and members of the public, this study found that issues relating to transport and accessibility were perceived as “more significant” by respondents compared to how they are currently weighted in the Australian Green Star–Healthcare building rating tool. Environmental impacts relating to emissions to air and water were also identified as “more significant” by the healthcare building users than their Green Star weighting would suggest. Indoor environmental quality has been acknowledged as the highest priority in choosing a healthcare building by the survey respondents. It is also one of the two priority categories given in Green Star in terms of weighting, which suggests that the Green Star–Healthcare rating tool aligns well with healthcare building user perspectives on this particular measure, which is linked to faster recovery rates of hospital patients.
Publisher: IOP Publishing
Date: 05-2020
DOI: 10.1088/1755-1315/498/1/012104
Abstract: Increasing interests in the sustainable development of the Australian building sector has resulted in a surge of green buildings across the country. Nonetheless, limited studies have been done to compare green and non-green building tenants’ leasing motivators. To address this gap, this study aims to examine tenants’ leasing motivators toward tangible and symbolic aspects of office buildings. To this, a questionnaire survey was conducted, and the obtained responses were analysed using the Mann-Whitney U test, followed by an examination on their effect sizes. The results show that green buildings tenants put more emphasis on certain tangible aspects of office buildings such as building sustainability ratings, building quality and energy efficiency. Likewise, green building tenants’ higher emphasis on several symbolic aspects of office buildings, including their attractiveness to future employees, was found. The results inform policymakers and building owners that understanding tenants’ leasing motivators and establish targeted strategy is important to provide adequate office spaces.
Publisher: IOP Publishing
Date: 04-2018
No related grants have been discovered for Sumin Kim.