Journal
BUILDING AND ENVIRONMENT
Volume 42, Issue 2, Pages 665-680Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.buildenv.2005.10.018
Keywords
sustainability index; multi-criteria decision analysis (MCDA); utility model; key performance indicators (KPI); design for sustainability; sustainability science; developing countries; susaip framework; South africa
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This paper identifies key performance indicators (KPI) for infrastructure delivery and maps computational methods required to achieve sustainability objectives in developing countries. It builds on previous research that developed taxonomy of infrastructure sustainability indicators and computational methods, to propose an analytical decision model and a structured methodology for sustainability appraisal in infrastructure projects in a developing country like South Africa. The paper uses the 'weighted sum model' technique in multi-criteria decision analysis (MCDA) and the 'additive utility model' in analytical hierarchical process (AHP) for multi-criteria decision-making.. to develop the model for computing the sustainability index-a crisp value for evaluating infrastructure design proposals. It discusses the development of the KPIs that are encapsulated within the analytical model. It concludes by discussing other potential applications of the proposed model and methodology for process automation as part of integrated sustainability appraisal in infrastructure design and construction in developing countries. (c) 2005 Elsevier Ltd. All rights reserved.
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