Evaluation of Easibility of Threats to Urban Water and Sewage Assets in the Face of Intentional Man-Made Disasters (Case Study: Hamedan City)

Document Type : Original Article

Authors

1 Department of Disasters Engineering, Education and Environmental Systems, Faculty of Environment, University of Tehran, Tehran, Iran.

2 Department of Disasters Engineering, Education and Environmental Systems, Faculty of Environment, University of Tehran, Tehran, Iran

Abstract

In today's era, intentional man-made disasters with external and internal enemy agency and the threats caused by them, which always target the infrastructures and vital assets of human societies, are one of the most important issues of crisis management and passive defense. The history of this type of disasters in all parts of the world shows; The most important reason and motivation of the enemy in actualizing his threats; Attacking the vital assets of a society is aimed at disrupting security and stability and achieving one's own interests (especially political, cultural and economic interests). In this regard, urban water and sewage  infrastructure, with the mission of providing sanitary drinking water, is one of the vital assets of the society and on the other hand, it is attractive to the enemies. One of the most important consequences of the       actualization of threats to urban water and sewage assets is the formation of social crisis and popular    disturbances. In this research, with the main objective of evaluating the possibility of threats to the water and sewage assets of Hamedan city in the face of intentional man-made disasters, the issue was evaluated using the combined SECA-GIS method. The results show that among the threats' evaluation criteria in this city; The intensity of the threat with a weight of 0.1844, the magnitude of the threat with a weight of 0.1780, and the occurrence history with a weight of 0.1674 have been assigned the first to third priority,             respectively. Among the threats of intentional man-made disasters, in general, riots and riots rank first, air and missile attacks rank second, and vandalism ranks third. But looking at the classification of man-made disasters; Air and missile attack (by the external enemy) and riots and disturbances (by the internal enemy) are in the first place in the studied area. And according to the attractiveness of water and sewage           infrastructure assets from the enemy's point of view; The city's water treatment plants, with a score of 4.5072, are at a critical level, facing air and missile attacks, which require preventive measures and      Passive defense.
 

Keywords

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History

  • Receive Date: 04 August 2024
  • Revise Date: 12 August 2024
  • Accept Date: 22 September 2024
  • Publish Date: 26 October 2024

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