Delimitação das zonas de autossalvamento da mancha de dano potencial associado à barragem Bosque-IV no município de Junqueiro/AL

Abstract

The construction of dams has numerous benefits for human beings, from its use to generate electricity to the regularization of flows for supply and irrigation purposes. However, there is a high risk associated with works of this size. The rupture of a dam can have catastrophic impacts, which affect the environment and society in general, causing losses of social and economic orders of great magnitude. In order to regulate and supervise this type of undertaking, in 2010, the National Dam Safety Policy established by law 12.334 / 2010 was approved in Brazil, which discusses the classification of dams in terms of the Potential Associated Damage (PAD) and Ordinance No. 70,389 of May 17, 2017, which regulates the preparation of the Emergency Action Plan (EAP). Within this context, this research aimed to delimit the Self-Rescue Zones (SRZ) of the BOSQUE IV dam located in the municipality of Junqueiro / AL. The delimitation of the SRZ is part of the preparation of the EAP and is based on the determination of the PAD spot. The PAD spot is outlined according to the methodology of the National Water Agency (NWA), and the distance within thirty minutes or 10 km downstream of the dam can be considered. The mapping of the SRZ was performed using the NWA methodology, considering the 10km distance, associated with the ArcGIS Desktop 10.5 software, Google Earth Pro ™, as well as altimeter data from the SRTM. The maps produced show the SRZ, along with the escape routes and other elements identified inside the PAD spot and its surroundings.