Methodology for Valuing Economic, Social and Environmental Impacts of Circular Economy Practices in Social Infrastructure Projects

PhD Candidate: Mrs. Iresha Gamage

Supervisory Panel

Abstract

The construction industry consumes a large amount of natural resources making it a main driver to the scarcity of natural resources in the long run. On the other hand, solid waste generation and environmental pollution related to construction activities are considerably high as in other industries. The linear economy model (“take-make-dispose” approach) practised in the construction industry is the main reason behind the negativities which hinder the achievement of sustainability in construction. Converting the construction industry from the traditional “take-make-dispose” approach towards the circular approach is achievable through the concept of Circular Economy (CE) where strategies such as reusing, recycling, regenerating etc. are promoted. At the same time, evaluating construction projects considering the impact of implemented circular economy practices on the three dimensions of sustainability, economy, society and the environment, becomes critical and needs to be addressed in order to support informed decision-making of construction industry stakeholders. Thus, under this study, a methodology to assess the impact of CE practices on the economy, society and environment will be developed based on a comprehensive literature survey, followed by Delphi-based expert forums and case studies. The assessment methodology will be validated through the development of a web-based decision support system. The developed assessment methodology would ultimately establish an evaluation method to assess different CE project proposals within the social infrastructure development sector which contribute to sound decision making in project appraisal.

Biography

Iresha is a Doctoral Researcher attached to the c4SMC having research interests in Circular Economy in Built Environment. Her research capabilities are strengthened by a professional background in construction management backed by industry experience of almost eight years including Gulf experience and teaching experience as a lecturer in a leading technical university in Sri Lanka. Successful completion of the first degree, B.Sc. (Hons.) in Quantity Surveying, followed by the M.Sc. in Construction Law and Dispute Resolution, paved the way to excel in her knowledge and experience in contract management aspects in construction along with sustainable project delivery. Iresha is eager to deep dive into the sustainability of construction projects through her research projects.

Education

• Master of Science in Construction Law and Dispute Resolution from the University of Moratuwa, Sri Lanka. Completed in 2020.
• Bachelor of Science Honours in Quantity Surveying from the University of Moratuwa, Sri Lanka. Completed in 2014.

Professional Affiliations

• Associate Member (Chartered) of Institute of Quantity Surveyors, Sri Lanka (IQSSL), Membership No: AG2356

Research Interests

• Circular economy in the built environment
• Construction dispute resolution
• Women in construction
• Innovative construction procurement routes
• Contract administration

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