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首页> 外文期刊>Management of Environmental Quality >A case study on the implementation of green building construction in Gauteng province, South Africa
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A case study on the implementation of green building construction in Gauteng province, South Africa

机译：南非豪登省绿色建筑建设实施案例研究

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Purpose - Green building is a relatively new concept with limited applications in property development in South Africa. The objectives of this study are therefore threefold: identify key green building principles considered by property developers, establish the benefits of implementing the principles and determine the barriers to its applications. Design/methodology/approach - The study adopted a case study of two Green Star South Africa (SA)-certified buildings in Sandton, Johannesburg. These are Alexander Forbes building, and Ernst & Young Eris Towers. The two certified buildings were purposefully selected because of the insightful information they provide regarding application of green building principles. The main themes investigated in the cases are environmental awareness, green building principles applications, as well as benefits and barriers of green building. A total of six interviewees from the contractors', property developers', environmental/green building consultants' and sustainability consultants' organizations who were involved in the implementation of green building principles in the two cases provided the qualitative data for the study. The qualitative data were supplemented with data relating to the two case studies obtained from the 'Earth Works for a Sustainable Built Environment'. The interviews were arranged over a period of two months, and each interview took between 20 and 30 minutes. Analysis of the data was done through a phenomenological interpretation of the qualitative opinions expressed by the interviewees. Findings - Key green building principles comprising energy efficiency, water efficiency, resource efficiency, occupants' health and well-being and sustainable site development were implemented in the two cases. The fact that the buildings were rated 4-star enabled inference to be drawn that the implementation of the principles was less than 60 per cent. Energy efficiency of 35 per cent indicated in Case I suggests that the level is consistent with the South African green building standard of 25 per cent to 50 per cent. However, the energy and water efficiency assessment of the building were based on projections rather than on ongoing monitoring and evaluation of the buildings' performance. Moreover, perceived saving in operational cost was identified as dominant driver to green building principles implementation. Conversely, lack of government incentives and absence of reliable benchmarking data regarding performance of green buildings were major barriers to its full implementation. Practical implications - The findings of this study provide important implications to the developers and government on the application of green building principles. In the first place, the evidence that initial high cost premium could be off settled by long- term saving on operational costs as a result of use of local materials, energy and water savings as well as use of recycled material, as implemented in the two case projects, would improve investment decision in green building by developers. The understanding of the drivers and barriers to implementation of green building principles also has implications for guiding government policies and programmes towards green building. Originality/value - The significance of this study stems from the fact that limited studies, especially in the South African context, have indicated the drivers and barriers to the implementation of green building principles. The case study approach adopted gave a novelty to the study by providing hands-on information from the stakeholders who were known to have played specific roles in the application of green building. The findings indicated that initial high cost premium was not a consideration in developers' choice of green building which justifies the possibility of a costlier product when factors such as environmental sustainability benefit is considered to be ultimate. The study thus suggests further research involving larger cases o
机译：目的 - 绿地建筑是一个相对较新的概念，在南非的物业发展中的应用有限。因此，本研究的目标是三倍：确定房地产开发商审议的关键绿色建筑原则，建立实施原则并确定其应用的障碍。设计/方法/方法 - 该研究采用了在约翰内斯堡桑顿桑顿的两个绿洲南非（SA）南非（SA）的案例研究。这些是Alexander Forbes Building，以及Ernst＆Young Eris Towers。由于他们提供了关于绿色建筑原则的洞察力，所以有目的地选择了两座认证建筑物。在案件中调查的主要主题是环境意识，绿色建筑原则应用，以及绿色建筑的益处和障碍。在两起案件中参与实施绿色建筑原则的承包商，物业开发商，环境/绿色建筑顾问和可持续发展顾问组织共有六名受访者提供了该研究的定性数据。定性数据补充了与从“地球工程为可持续建筑环境”的两种案例研究有关的数据。面试在两个月内排列，每次面试都需要20到30分钟。通过对受访者所表达的定性意见的现象学解释来完成数据的分析。调查结果 - 两种情况下实施了包括能效，水效率，资源效率，占用者健康和福祉和可持续现场发展的关键绿色建筑原则。建筑物被评为4星支持的事实使得这些原则的实施少于60％。在我建议水平与南非绿色建筑标准符合25％至50％的情况下，能源效率为35％。然而，该建筑的能源和水效率评估基于预测，而不是持续监测和评估建筑物的表现。此外，在绿色建筑原则实施中被确定为运营成本的节省销量。相反，缺乏政府激励和缺乏关于绿色建筑的性能的可靠基准数据，这是其全部实施的主要障碍。实际意义 - 本研究的调查结果为开发商和政府提供了对绿色建筑原则的重要意义。首先，证据表明，由于使用当地材料，能源和水储蓄以及再生材料的使用，通过长期节省运营成本，可以通过使用局部材料，能源和水资源的使用以及再循环材料，如两者所实施的案例项目将通过开发商提高绿色建筑的投资决策。对实施绿色建筑原则的司机和障碍的理解也有助于指导政府政策和方案对绿色建筑。原创性/值 - 本研究的意义源于有限的研究，特别是在南非背景下，指示了实施绿色建筑原则的司机和障碍。采取的案例研究方法通过向已知在绿色建筑的应用中发挥特定作用的利益攸关方提供实践信息，对研究进行了新颖的信息。这些研究结果表明，最初的高成本溢价不是开发人员选择绿色建筑的选择，这使得在诸如环境可持续性福利等因素被认为是最终的因素时，这证明了昂贵的产品的可能性。因此，研究表明，涉及较大案件的进一步研究o

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