Development of Fuzzy RUASP Model - Grasp Metaheuristics With Time Window: Case Study of Mount Semeru Eruption in East Java Department of Industrial Engineering, Faculty of Engineering, University of Surabaya Abstract Due to its geographical location, Indonesia is very vulnerable to the volcano eruption. Volcanic eruptions always bring impact to the surrounding community. According to Indonesian National Board for Disaster Management or Badan National Penanggungan Bencana (2016, www.bnpb.go.id), the volcano erupts as a result of volcanic activity (eruption). Erupting volcanoes can pose many hazards. The eruption expelled hot lava, bursts of material (incandescent), volcanic ash, poisonous gases, etc from volcanic vent. In addition to causing a lot of casualties, the eruption some times caused tsunamies, also caused huge economic losses due to the number of damaged infrastructure and the need for high recovery costs. To mitigate the negative impact, especially the impact on the safety of the population, a disaster management is required. One of the concerns of disaster management is a proper allocation and scheduling of rescue teams in order to minimize evacuation time with expectations of saving as many lives as possible. For that purpose, RUASP (Rescue Unit Assignment and Scheduling Problem) optimization model by Rizqi (2016) is used as the initial model. This model has an objective to minimize a completion time of evacuation. This model considering many important factors, such as factors of severity of damages and capability of the rescue team. Though, there is still few crucial factors that have not been considered in this model. It is not yet considered a period for rescue teams to be able to perform their duties safely nor fuzzy time on the fields. Physical limitations and device limitations are the inhibiting factors for evacuation activities during low light conditions. However, this model has not considered a safe period for rescue teams while on duty. Therefore, we proposed a development model that considers safety time, by adding time window as a constraint and some adjustments to GRASP Metaheuristics steps. Keywords: disaster, humanitarian logistics, scheduling dan allocating rescue team, GRASP Metaheuristics, time window Topic: Emergency preparedness |
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