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Safety distances for STORAGE TANKS TO PREVENT FIRE DAMAGE IN wILDLAND-INDUSTRIAL INTERFACE
Process Safety and Environmental Protection ( IF 7.8 ) Pub Date : 2021-01-05 , DOI: 10.1016/j.psep.2021.01.002
Federica Ricci , Giordano Emrys Scarponi , Elsa Pastor , Eulàlia Planas , Valerio Cozzani

Wildfire occurrence frequency is increasing worldwide, generating more and more concern, especially in Wildland-Urban interfaces (WUI) and Wildland-Industrial Interfaces (WII) areas. Wildfires approaching WII can cause severe damage to people and industrial assets. In these scenarios, storage tanks present in industrial installations are among the most vulnerable pieces of equipment, since they are usually located in the proximity of the plant boundary. If hazardous substances are stored, tank damage caused by the fire can lead to loss of containment and trigger technological accident scenarios, escalating the consequences. Preserving the integrity of this type of equipment in case of wildfires is of paramount importance. The present study proposes a stepwise methodology for the evaluation of safety distances between storage tanks and vegetation that may be affected by a wildfire. According to the available data on the wildfire, on the lay-out and on the tanks that are likely to be affected, the methodology provides safety distances that may be applied to design fuel-reduced fringes around the industrial facility. The methodology proposed represents a quantitative tool for the calculation of safety distances that can guide industrial managers and assist regulators in the definition of more reliable standards. The comparison of the safety distances resulting from the present study with regulations and guidelines currently in use in different countries rises concern about the possible underestimation of required safety distances in the case of severe wildfires.



中文翻译:

湿地工业界面中储罐防止火灾的安全距离

在世界范围内,野火的发生频率正在增加,引起越来越多的关注,尤其是在荒地-城市界面(WUI)和荒地-工业界面(WII)区域。接近WII的野火可能对人员和工业资产造成严重损害。在这些情况下,由于工业设备中的储罐通常位于工厂边界附近,因此它们是最易损坏的设备之一。如果存储了有害物质,则火灾引起的储罐损坏可能导致密闭性丧失并引发技术事故,从而扩大后果。在发生野火的情况下,保持此类设备的完整性至关重要。本研究提出了一种逐步方法,用于评估可能受野火影响的储罐与植被之间的安全距离。根据有关野火,可能受到影响的布局和油箱的可用数据,该方法提供了可用于设计工业设施周围减少燃油的条纹的安全距离。所提出的方法论是一种用于计算安全距离的定量工具,可以指导工业管理人员并协助监管者制定更可靠的标准。通过本研究得出的安全距离与当前在不同国家/地区使用的法规和指南的比较,引起了人们的关注,即如果发生严重的野火,可能会低估所需的安全距离。

更新日期:2021-01-05
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