Abstract
This paper presents a Multi-Criteria Prioritization Framework (MCPF) that can assist decision-makers and government administrators in identifying and ranking infrastructure sustainability objectives in developing countries. The framework also helps governments of developing countries in assessing the priority of repair of damaged infrastructure assets, based on significant sustainability objectives. A Template of infrastructure sustainability objectives is developed through literature review and interviews with key experts. A questionnaire-based survey solicits experts’ opinions to rate the sustainability objectives based on their relative importance to the public, using a five-point Likert rating scale. The quality of experts participating in the rating process is determined using the pair-wise comparison method of the analytical hierarchical process (AHP) that calculates a crisp importance weight value of each expert, based on his or her qualification criteria. The relative importance index (RII) method is adapted to prioritize the sustainability objectives, which integrates the rating scores assigned by experts and their relative importance weight factors. A crisp facility sustainability priority index (FSPI) is computed using a survey-based approach and a weighted sum technique in multi-criteria decision analysis that determines the priority of repair of damaged infrastructure facilities, based on significant sustainability objectives. In order to test the applicability of the prioritization framework, a case study is applied in Egypt to demonstrate how the model can assist governments of developing countries in prioritizing damaged infrastructure assets that need urgent repairs. The prioritization framework presented in this paper offers a simple yet efficient evaluation technique to decision-makers with limited budgets that accounts for sustainability objectives in deciding on the repair priorities of damaged facilities.
Highlights
Infrastructure assets, such as transportation and communications systems, water and power lines, and public services buildings provide the means for any society to survive
This paper presents a prioritization framework that is based on expert judgment and multi-criteria decision analysis, which is capable of prioritizing damaged infrastructure assets that accounts for the significant sustainability objectives to the public welfare in developing countries
Case Study: Application of the Multi-Criteria Prioritization Framework (MCPF) to Asses Egyptian Sustainability Objectives and Prioritize Damaged Facilities In Egypt, several essential infrastructure and public services facilities have been exposed to different types of damage due to acts of violence resulting from the current state of unrest associated with the Egyptian revolution, which has started on the 25th of January 2011
Summary
Infrastructure assets, such as transportation and communications systems, water and power lines, and public services buildings provide the means for any society to survive. In contrast to the factors that can be quantified, such as the cost of repair, some factors are subjective in nature and cannot be assessed, such as safety, heritage, and renewable energy (Elbarkouky et al, 2012) Those factors are referred to as “sustainability indicators” (Ugwu et al, 2006) that should be set as the basis for deciding on the priority of repair of any damaged infrastructure asset. This paper presents a prioritization framework that is based on expert judgment and multi-criteria decision analysis, which is capable of prioritizing damaged infrastructure assets that accounts for the significant sustainability objectives to the public welfare in developing countries. 2) To present a prioritization technique capable of identifying and ranking significant infrastructure sustainability objectives based on their relative importance to key decision-makers in developing countries. 4) To consolidate the above objectives in a comprehensive multi-criteria prioritization framework (MCPF) that aids developing countries in prioritizing substantially damaged facilities based on their alignment degrees with significant infrastructure sustainability objectives
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