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All Journal Jurnal Teknologi Dan Industri Pangan Jurnal Ilmiah Dinamika Teknik TEKMAPRO Journal of Industrial Engineering and Management OPSI JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) OPERATION EXCELLENCE: Journal of Applied Industrial Engineering EDULITE: Journal of English Education, Literature and Culture E-Dimas: Jurnal Pengabdian kepada Masyarakat Briliant: Jurnal Riset dan Konseptual Tell : Teaching of English Language and Literature Journal EKONOMIS : Journal of Economics and Business JOURNAL OF APPLIED INFORMATICS AND COMPUTING Journal of Applied Science, Engineering, Technology, and Education Jurnal Teknik Industri Terintegrasi (JUTIN) Journal of Industrial Engineering and Operation Management (JIEOM) Indonesian Journal of Industrial Engineering & Management Juminten : Jurnal Manajemen Industri dan Teknologi Journal La Sociale JOURNAL LA MEDIHEALTICO Journal La Multiapp Industrika : Jurnal Ilmiah Teknik Industri Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat Indonesian Journal of Innovation Studies Jurnal Pengbdian Teknik Mesin Jurnal Ilmiah Teknik Informatika dan Komunikasi Jurnal Ilmiah Pendidikan dan Keislaman Ranah Research : Journal of Multidisciplinary Research and Development Jurnal Kendali Teknik dan Sains Jurnal Riset Multidisiplin dan Inovasi Teknologi Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Venus: Jurnal Publikasi Rumpun Ilmu Teknik Spektrum Industri
Tranggono Tranggono
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Journal : Journal La Multiapp

 1 
Design of Earthquake Disaster Evacuation Route Simulation in a High-Storey Building Using Virtual Reality Masdhana, Bagus Wahyu; Tranggono, Tranggono
Journal La Multiapp Vol. 5 No. 6 (2024): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v5i6.1639

Abstract

Indonesia is a country located in the Pacific Ring of Fire, because of this Indonesia is vulnerable to earthquakes because it is located at the meeting point of several colliding tectonic plates. In addition, the presence of active volcanoes is also an additional factor. The construction of high-rise buildings in Indonesia has continued to increase in recent years along with the growth of urbanization and the need for more efficient space in urban areas, this has increased the risk of accidents in high-rise buildings. With these problems, a disaster simulation is needed which can be the right step to understand the correct ways to handle and evacuate from disasters. The right simulation for this problem is to use Virtual Reality (VR)-based learning because this simulation can increase the effectiveness of disaster management education by experiencing firsthand a realistic and interactive earthquake scenario simulation. The results of the pre-post test processed using the Wilcoxon signed rank test method obtained a result of 7.5 where 7.5 ≤ 52 (critical value) concluded that this simulation provides a significant change in knowledge of earthquake disaster mitigation in high-rise buildings. And from the SUS (System Usability Scale) Questionnaire, the score obtained was 78.875 which is included in the category 70-85 which means that this system is quite good in terms of usability. Users generally feel comfortable using the system.
Application of Design Thinking in Designing User Interface Prototype of Worker Health Screening Application at PT Petrokimia Gresik Ramadani, Deo Globy; Tranggono, Tranggono; Islami , Mega Cattleya Prameswari Anissa
Journal La Multiapp Vol. 6 No. 4 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i4.2194

Abstract

The application of digital technology in the worker health screening process is an important need in the industrial work environment, especially in supporting the effectiveness and efficiency of the OHS medical team's work. This research aims to design a user interface for the AppSheet-based worker health screening application using the Design Thinking approach. This method was chosen because it is centered on user needs and is able to produce innovative solutions through the stages of Empathize, Define, Ideate, Prototype, and Testing. Data collection was conducted through interviews and observations of five respondents from the OHS medical team and five department representatives. Assessment of the design was carried out using the usability testing method, with efficiency, effectiveness, and System Usability Scale (SUS) parameters. The results showed that the Design Thinking approach was able to produce an application interface that meets user needs, improves understanding of workflows, and minimizes recording errors. The developed application not only supports the digital health evaluation process, but also has the potential to reduce administrative burden and improve the quality of medical services at PT Petrokimia Gresik.
Risk Mitigation and Hazard Analysis in the Battery Production Process Using the Fuzzy Fault Tree Analysis Method Ariffa, Anggelia; Tranggono, Tranggono; Sari, Rizqi Novita
Journal La Multiapp Vol. 6 No. 6 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i6.2317

Abstract

Industrial Revolution 4.0 increases the demand for batteries but also increases the risk of workplace accidents in factories such as PT TMB. Production processes involving chemicals and heavy equipment cause potential hazards. In the last three years, accidents have increased, disrupting production and adding costs. Therefore, this research aims to identify risks and provide risk mitigation in the battery production process. This research uses Fuzzy Fault Tree Analysis (FFTA) to identify hazards and reduce risks, in order to improve the safety and competitiveness of the company. This research was conducted at PT TMB by combining qualitative analysis to understand general conditions and quantitative to analyze the risk of workplace accidents, such as fire, fatigue, operator injury, and worker health. The Fuzzy Fault Tree Analysis (FFTA) method was used to map and reduce potential hazards, as well as develop more effective work safety policies. The results of the research explained that there are four top events with different probabilities and impacts: fire risk (A) 26.82%, occupational fatigue (B) 11.57%, occupational injury (C) 40.58%, and occupational health (D) 21.03%. From the four top events mentioned above, mitigation is focused on the 3 highest positions based on the assessment of the matrix table, which are fire risk, occupational injury, and occupational health.
Usability Evaluation of a Virtual Reality Simulation System for Earthquake Preparedness Using the System Usability Scale (SUS) Method Dirama, Romeo Putra; Tranggono, Tranggono; Sari, Rizqi Novita
Journal La Multiapp Vol. 7 No. 1 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to evaluate the usability level of the Virtual Reality (VR) simulation system for earthquake preparedness training at the Environmental Agency of East Java Province using the System Usability Scale (SUS) method. The testing was conducted with nine respondents who performed two task scenarios in the simulation and subsequently completed the SUS questionnaire. The analysis covered three main aspects of usability: effectiveness, efficiency, and user satisfaction. The results showed an effectiveness level of 100% (“Highly Effective” category), an average efficiency of 0.01758 goals/second (“Very Fast” category), and an average SUS score of 73.88, which falls into the “Acceptable” category with an adjective rating of “Good.” These findings demonstrate that the VR simulation has strategic potential as an effective and efficient interactive training medium for improving the understanding of earthquake evacuation procedures. Nevertheless, improvements are needed in interface consistency and in reducing the initial learning curve to optimize the user experience.
Co-Authors Adistana, Elen Al Masruroh, Eki Wulandari Alhisyam, Abid Bahij Alvin Hakim Ana Zul Fia Ardiansyah, Yuda Arier, Tivani Nava Arif, Firda Maulidiyah Ariffa, Anggelia Astutik, Rossa Lina Ayyub Ihza Gutawa Bagus Wicaksono Condro Winursito, Yekti Dicya, Bintara Putra Dirama, Romeo Putra Endang Pudji Widjajati Fasha I. Husna Fiki Marchel Perdana Firmansyah, Aries Fitra, Nabila Jania Ghaly Atha Maulana Grandhika Pratama Widiyarta N. Harashta, Hafidz Raif Hayati, Kinanti Resmi Heru Prasetiyo Utomo Ilhami, Viga Aura Graziella Immannulloh, Dimas Islami, Mega Cattleya P.A. Islami, Mega Cattleya Prameswari Anissa Islami, Mega Cattleya Prameswari Annissaa Islamsyah, M Habibie Nur Izzah, Navisatul Joumil Aidil Saifuddin Larasati, Ayunda M. Zaenal Anshori Maghfur, Maula Aringga Masdhana, Bagus Wahyu Moch Adnan MT Safirin Muhammad Khoirul Hudha Mukhtarul Haqi, Muhamad Nugraha, Isna Nugroho, Aldi Pramoedya Nur Lailatul Fitria Ovi Sadewa Prakosa, Albertus Adriyanto Sakti Pramesthi, Yanita Vidya Pramoedya Nugroho, Aldi Prasanto, Fadhil Aditya Prasetya, Reihan Rafly Prastiwi, Afita Dewi Putri, Pramisyela Adinda Rachmawati, Nur Radityo Anggoro, Radityo Rafi, Rafi Rahmadina, Gayatri Aleyda Ramadani, Deo Globy Rananda Saputra, Denaldi Rivero, Randy Romadoni, M Ilham Rusindiyanto Salsabila, Afitri Yoshinta Saputra, Denaldi Rananda Sari, Rizqi Novita Sari, Rizqi Novita Sari Septiana, Giga Dewi Shania, Maulidhatus sholeha, fitriatus Sholehah, Fitriatus Sinta Dewi Siti Wahyu Nida Sonny Putri, Nanda Salsabilla Sukra, Rizka Triannisa Imasna sunardi sunardi Suparmo . Syaifullah, Hafid Teti Estiasih Vebryna, Esha Nanda Wibisono, Aldino Winursito, Yekti Condro Yoga Anunggita Yudantha, Georgius Erlangga Mahendra