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All Journal Journal of Industrial and Engineering System International Journal of Disaster Management
Vaezi, Ali
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Humanities Decision Sciences, Operations Research & Management Earth & Planetary Sciences Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences Transportation

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Strategic Urban Warehouse Location Optimization Using a Socio-economic Center of Gravity Approach Nurprihatin, Filscha; Bajuri, Farid Aan Maulana; Vaezi, Ali
Journal of Industrial and Engineering System Vol. 6 No. 1 (2025): Juni 2025
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/xysc7f70

Abstract

In the context of rapid urbanization and growing e-commerce activity, optimizing warehouse location is a crucial factor in ensuring efficient logistics performance and maintaining service-level agreements (SLAs). This study addresses the operational challenges faced by a digital commerce platform in Indonesia, particularly its overburdened warehouse in Ciracas, East Jakarta. The company currently serves over 300 daily transactions from a limited 211 m² facility, leading to delayed deliveries and suboptimal coverage across 50 sub-districts in the Greater Jakarta area (Jabodetabek). To determine a more strategic location, this research applies a weighted Center of Gravity (CoG) method incorporating two key indicators: permanent urban population and per capita disposable monthly income. These socio-economic variables are normalized and used to compute the optimal warehouse coordinates. The resulting CoG, which is located near Halim Perdanakusuma in East Jakarta, offers balanced proximity to all target areas and improved accessibility via major transportation routes, including toll roads and the Halim airport. While the exact coordinate falls within a residential zone, the surrounding area presents viable alternatives for warehouse development. Relocating to this vicinity is expected to reduce delivery lead times, enhance SLA compliance, and support expanded inventory management. This study demonstrates the value of spatial analytics and composite weighting in facility location decisions and offers a replicable framework for logistics optimization in dense urban regions.
Are We Prepared for the Next Disaster? Evidence from Ice Storm Asgary, Ali; Vaezi, Ali; Azimi, Nooreddin
International Journal of Disaster Management Vol 4, No 2 (2021)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v4i2.21183

Abstract

This study examines the impacts that an emergency had on peoples preparedness levels, using the December 2013 Ice Storm in the Greater Toronto Area (GTA) as a case. A questionnaire consisting of three sections was developed to measure the associated impacts, peoples reactions/opinions, as well as their preparedness levels before and after the ice storm. The goal of the research is not only to discuss the factors that influenced peoples ability to prepare, respond to and recover from the ice storm but also to generate useful insights for future disasters that are similar in nature. Our analysis includes various aspects such as the effectiveness of advance warnings and their ability to disseminate information to mass audiences. The findings show that, most of the respondents believe that they learned a lot about ice storms and their impacts because of their prior experience; a significant majority believe that it is the citys/municipalitys responsibility to prepare for emergencies like ice storms; home ownership was significantly associated with the previous ice storm preparedness; and, power outage experience was significantly associated with the next ice storm preparedness.
Co-Authors Asgary, Ali Azimi, Nooreddin Bajuri, Farid Aan Maulana Nurprihatin, Filscha