Emergency Action Plans: Assessment Of The
Main Elements For Dam Break Flood Maps
Author(s)
A. P. Veról, M. G. Miguez & F. C. B. Mascarenhas
Abstract
The concerns about dam safety and the consequent need to establish regulation
laws for the construction and operation of dams, with the establishment of
emergency plans, began to arise only after serious accidents that happened in the
past, especially in the 1960s and 1970s. A dam break is usually a catastrophic
event. Improved security for the downstream valley, however, can be provided
through the adoption of an integrated risk and emergency management system.
The document that consolidates the plan of action in case of accidents is the
Emergency Action Plan (EAP). The EAP is a formal written document, which
identifies the procedures to be followed by the dam operators and principal
authorities involved in an emergency situation. With this document, authorities
of different levels may plan how to face an eventual disaster as best as possible,
working in a coordinated manner. One of the most important pieces of
information for an EAP are the flood maps, containing the water depths over the
valley and their times of permanence at each affected area, besides the peak
discharge arrival time and the flow velocities. This work aims to present the
main technical elements for preparing a flood map, which is the basic
information for an EAP. In this context the failure of Funil Dam was simulated,
in the Paraíba do Sul River, Brazil. In order to accomplish this objective, a
pseudo two-dimensional mathematical model called MODCEL was used,
developed at the Federal University of Rio de Janeiro. A distinctive
characteristic of this model refers to its ability to dynamically simulate the flood
plains associated with the river. The results confirm how critical the dam break
problem is and reinforce the importance of developing an EAP.
Keywords: dam safety, emergency action plan, flood maps, hydrodynamic
mathematical modelling, MODCEL.
Keywords
dam safety, emergency action plan, flood maps, hydrodynamic
mathematical modelling, MODCEL
Related Book
Other papers in this volume
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