Life Cycle Costing (LCC) is a tool, which can evaluate all the building-related costs over a specified period of time, as mentioned in the agreed scope. Though there are number of benefits, LCC practices of consultants in the building industry are claimed to be weak. Hence, the aim of this research is to investigate barriers in practicing LCC techniques experienced by Sri Lankan quantity surveyors. Accordingly, a mixed approached was followed in data collection through a questionnaires survey and a series of expert interviews. However, in Sri Lanka, building construction consultants are not practicing the LCC concept to a greater extent. This research identified, lack of awareness on the LCC tool by employers and practitioners, lack of knowledge on LCC and lack of previous data as the major barriers for practicing LCC techniques in local context. It was suggested that enhancing the practice of LCC through conducting various awareness programme on LCC concept, build up and maintain the proper database and introducing user friendly tools, applications, calculations methods, guidelines and regulations, will lead to avoid above mentioned barriers, which will ultimately enhance the proper practice of LCC concept in the Sri Lankan quantity surveyors.
Construction activity is commonly considered to have adverse impacts on the environment, which is the basis of sustainable development for human being. Further, sustainability should be addressed mostly in developing countries, such as Sri Lanka, where a considerable amount of construction works is currently in progress and remain to emerge in the future. It is considered that the proper development and operation of a construction project can make significant contribution to the mission of sustainable development. However, the existing difficulty is the lack of the guidance for implementing sustainable development principles in construction industry. Therefore, this research intends to bring the necessity of mandated project feasibility studies as a guideline for sustainable development in the Sri Lankan Context. The research aim was approached through a qualitative survey strategy. To solicit the perceptions of experts on the identified sustainability performance criteria, a semi-structured interview survey was conducted. Ten experts were selected through purposive sampling strategy, who had experience in sustainable construction and project feasibility evaluation criteria. The manual content analysis method was used to analyse the collected data. Findings of the research revealed that though numerous sustainability assessment tools are being practised, there is a failure in sustainable construction in the current context. Thus, the minimum sustainability requirements were identified under the three pillars of sustainability, aiming to develop the project feasibility study as a guideline and to ensure sustainability performance from the project inception stage. These findings are helpful for industry practitioners especially the project owners to initiate a sustainable construction with concerted actions of all project stakeholders to safeguarding the future
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