The negative consequences of disasters to infrastructure and other built environment facilities bring severe disruptions to national economies and diminish quality of life for long periods of time. Restoring major infrastructure and rehabilitating communities therefore become major challenges in post disaster reconstruction stage. This learning package attempts to provide an overview of these challenges and the ways which they can be overcome.
Aim of the learning package
To provide opportunity for students to critically examine and effectively analyse the impact of disasters on physical infrastructure and the built environment
Lecture 1- Impact of disasters on infrastructure facilities
Infrastructure is critical to a safe and resilient economy. Natural and man-made disasters have a profound impact on the quality of life through destruction of the built environment (UN/ESCAP, 2006). Various infrastructure segments of are frequently subjected to natural and man-made disasters (Nigim et al., 2005). The negative consequences to infrastructure and other built environment facilities often leads to dire economic consequences and a diminished quality of life for long periods of time (Government of India, 2002).
Half of the world’s natural disasters and 70 percent of all floods have been recorded in Asian countries and much of the damage inflicted by floods is to infrastructure (UN-ESCAP, 2006). By some estimates, infrastructure losses account for 65 percent of all flood losses. Approximately 50 percent of the World Bank’s total lending is equivalent to the total cost of damage to infrastructure due to natural disasters in the Asian context. The annual investment needed for post-disaster reconstruction of infrastructure and economic recovery in developing countries of the Asian and Pacific region would require an estimated $15 billion, for a total infrastructure-financing requirement estimated at $55 billion per year.
Image: Damages to Southern Highway – Tsunami 2004 in Sri Lanka