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首页> 外文会议>International Conference on Engineering, Project, and Product Management >Costs and Benefits of Green Retrofits: A Case of Industrial Manufacturing Buildings in Sri Lanka
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Costs and Benefits of Green Retrofits: A Case of Industrial Manufacturing Buildings in Sri Lanka

机译：绿色改造的成本和益处：斯里兰卡的工业制造建筑案例

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Unless the rate of green retrofitting of conventional buildings is amplified, built environment will have a huge responsibility in dealing with global warming, reducing resource consumption and greenhouse gas emissions. The contradictory views on initial costs and paybacks have discouraged industries investing on green retrofits, and building owners are reluctant to pay for green retrofits. In this context, the current study analyses the costs and benefits of green retrofits in industrial manufacturing buildings in Sri Lanka towards identifying the most appropriate retrofit options. The study used a mixed method approach to collect data through semi-structured interviews and documents of green certified industrial manufacturing buildings. Accordingly, four buildings were selected for the study, and the green retrofits applied in those buildings were identified through interviewing one professional from each building. Subsequently, the quantitative data on construction costs and economic savings were collected from two cases and analyzed using net present value and simple payback period. The analyses show that the use of green retrofits related to sustainable sites, water efficiency and material and resources are at a lower level, whereas green retrofits related to energy and indoor environmental quality are given the priority in existing industrial manufacturing buildings in Sri Lanka. Moreover, findings indicate the financial viability of the implemented retrofits in terms of sustainable features, such as energy and indoor environmental quality with positive net present values and simple payback period of less than 5 years. Considering the lifetime financial returns of those retrofits, each retrofit indicates significant benefits compared to initial investment. The outcome of the study would improve the application of green retrofits in existing buildings and thereby uplift the sustainable built environment by reducing greenhouse gas emissions and depletion of natural resources.
机译：除非传统建筑物的绿色改造率被放大，否则建筑环境将在处理全球变暖，减少资源消耗和温室气体排放方面具有巨大责任。关于初始成本和回报的矛盾意见已经阻止投资绿色改造的行业，建筑业主不愿意支付绿色改造。在这方面，目前的研究分析了斯里兰卡在斯里兰卡工业制造建筑中绿色改造的成本和益处，旨在确定最合适的改造选择。该研究采用了一种混合方法方法通过半结构化访谈和绿色认证工业制造建筑物的文件来收集数据。因此，选择了四座建筑物进行研究，通过从每栋建筑物的一个专业人员来识别这些建筑物中的绿色改造。随后，从两种情况下收集了关于建筑成本和经济储蓄的定量数据，并使用净目前的价值和简单的投资回收期进行分析。分析表明，使用与可持续地点，水效率和材料和资源相关的绿色改造均处于较低水平，而与能源和室内环境质量相关的绿色改造是在斯里兰卡现有的工业制造建筑中的优先事项。此外，调查结果表明，在可持续特征方面，在可持续特征方面的金融生存能力，例如能量和室内环境质量，具有正净值的值，简单的投资回收期不到5年。考虑到这些改造的终身财务回报，与初始投资相比，每个改造都表明了显着的益处。该研究的结果将改善绿色改造在现有建筑物中的应用，从而通过减少温室气体排放和自然资源的消耗来隆起可持续建筑环境。

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