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All Journal Jurnal Teknoin J@TI (TEKNIK INDUSTRI) Industrial and Systems Engineering Assessment Journal (INASEA) JURNAL ELEKTRO Jurnal Perkotaan Jurnal Ilmiah Teknik Industri Resona : Jurnal Ilmiah Pengabdian Masyarakat JIEMS (Journal of Industrial Engineering and Management Systems) SABDAMAS Prosiding Seri Seminar Nasional Madani : Jurnal Pengabdian Kepada Masyarakat Proceeding Mercu Buana Conference on Industrial Engineering Jurnal Pengabdian Masyarakat Charitas Metris: Jurnal Sains dan Teknologi Widya Teknik
Trifenaus Prabu Hidayat
Universitas Katolik Indonesia Atma Jaya
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

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Evaluasi Pelaksanaan Cement Treated Sub-base (CTSB) Pada Proyek Peningkatan Jalan Sukadana - Teluk Batang Marojahan Rajagukguk; Trifenaus Prabu Hidayat
Jurnal Perkotaan Vol. 16 No. 2 (2024): Desember 2024
Publisher : Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/perkotaan.v16i2.6214

Abstract

The Sukadana - Teluk Batang road section is a strategic provincial road in Kayong Utara Regency that faces pavement stability issues due to soft subgrade conditions. This research aims to analyze the effectiveness of implementing Cement Treated Sub-base (CTSB) technology with composite cement as an alternative solution for improving road pavement quality. The research methodology includes evaluation of existing conditions, CTSB pavement design planning, trial compaction implementation, and field performance testing and monitoring. The results showed that CTSB application with 10 passes achieved a density level of 98.50% and CBR value reaching 151.54%, far exceeding the specified minimum requirements. The unconfined compressive strength (UCS) value at 7 days reached 25.39 kg/cm², meeting the required strength criteria. Post-construction visual observations showed a homogeneous and stable road surface without indication of structural damage. This research proves that CTSB technology with composite cement is effective in improving subgrade bearing capacity and provides a sustainable solution for road infrastructure development in areas with soft soil characteristics.
Design and Analysis of Smart Laptop Table Production with an Ergonomic Approach and Minimalist Design Pratama, Oki; Prabu Hidayat, Trifenaus
Metris: Jurnal Sains dan Teknologi Vol. 26 No. 02 (2025): Desember
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v26i02.7378

Abstract

This study focuses on the design and development of a smart ergonomic laptop table with a modern and minimalist aesthetic to enhance user comfort and prevent musculoskeletal disorders during prolonged laptop use. Using the Stanford Design Thinking methodology, the research was conducted through six stages: empathize, define, ideate, prototype, test, and assessment. Data were collected from 26 respondents through surveys and interviews to identify key user needs, including adjustable height and tilt, integrated cooling pad, power socket, and portability. The prototype, constructed from Dutch teak wood and a hollow iron frame, was analyzed through stress, displacement, and strain simulations to ensure structural reliability and durability. The results demonstrated that the final design effectively supports ergonomic posture, reduces discomfort in the neck, back, shoulders, and wrists, and prevents repetitive strain injuries. Additionally, the product combines functional efficiency with an appealing minimalist appearance suitable for modern workspaces. The proposed design not only improves user well-being and productivity but also contributes to sustainable and space-efficient furniture innovation.
Sosialisasi Teknologi Pendidikan Berhitung Kreatif Goenawan, Stephanus; Sutresno, Stephen Aprius; Hidayat, Trifenaus Prabu
Jurnal Pengabdian Masyarakat Charitas Vol. 5 No. 02 (2025): Jurnal Pengabdian Masyarakat Charitas
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Katolik Indonesia Atma Jaya Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/charitas.v5i02.7047

Abstract

Learning mathematics, especially arithmetic and number patterns, is often a challenge for students due to the lack of creative approaches and the use of technology in the learning process. This community service program aims to improve the competence of teachers and lecturers in teaching innovative arithmetic concepts through the Educational Technology Online Workshop: Creative Arithmetic in the Era of Artificial Intelligence. This activity is conducted online and attended by participants from various backgrounds, including teachers, students, and the general public. The implementation method includes introducing the concept of regularity of number patterns, demonstrating the Vertical Metric method, and training in using web-based digital applications for creative calculations from licensed association partners. The activity results showed an increase in participants' understanding of developing creative learning strategies and high enthusiasm from participants in implementing technology-based arithmetic methods in their respective educational environments. This training positively impacts educators' pedagogical skills and encourages students' interest in learning mathematics through a more interesting and applicable approach.
Pengadaan Lampu Tenaga Surya pada Panti Kemah Peduli Sahabat Kasih Prabu Hidayat, Trifenaus; Sugioko, Andre; Octaviani B. Widiarto, Sandra
Jurnal Pengabdian Masyarakat Charitas Vol. 5 No. 02 (2025): Jurnal Pengabdian Masyarakat Charitas
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Katolik Indonesia Atma Jaya Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/charitas.v5i02.7073

Abstract

"Kemah Peduli Sahabat Kasih" is a care facility for individuals with mental disorders, managed by a single family. One of the primary challenges faced by the facility is the inadequate lighting for nighttime activities. In 2024, the team from the Faculty of Biosciences, Technology, and Innovation (FBTI) at Atma Jaya Catholic University of Indonesia contributed by installing two solar-powered lighting units: one along the access road to the facility and another for the front and back yard areas. However, these two lighting points were insufficient to fully support nighttime activities. Therefore, the 2025 community service program aimed to install additional lighting points at the Kemah Peduli Sahabat Kasih facility. The activity began with observations and interviews with the head and staff of the facility to assess conditions following the installation of the initial lighting units and to determine the additional lighting needs. It was found that three more lighting points were required, exceeding the initially allocated budget. As a result, a joint discussion was conducted between the Atma Jaya team, the facility head, and staff to decide that this year’s budget would be allocated to the purchase of solar-powered lamps. The community service program successfully procured three solar-powered lamps, which were tested and demonstrated satisfactory performance and illumination levels. The operational procedures and maintenance guidelines were also effectively communicated and understood by the facility’s head and staff.
Simulasi Perbaikan Sistem Antrian untuk Mengurangi Waktu Tunggu Pasien Poli Umum di Klinik XYZ Menggunakan ProModel Sugioko, Andre; Angelina, Cecilia; Hidayat, Trifenaus Prabu
Metris: Jurnal Sains dan Teknologi Vol. 26 No. 02 (2025): Desember
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v26i02.7096

Abstract

The long patient waiting time in general outpatient services has become a major problem at Clinic XYZ, particularly during the screening stage and doctor consultations at peak hours. This condition negatively affects patient satisfaction and service effectiveness. This study aims to identify the causes of prolonged waiting times, propose alternative improvements, and evaluate the effectiveness of solutions through simulation using ProModel software. The simulation model was developed to represent real conditions and test several improvement scenarios. The results show that nearly 50% of patients’ time in the system is spent waiting. Four improvement proposals were suggested, namely adding more doctors, redistributing nurses’ tasks, increasing screening capacity, and implementing a single-queue system. The best proposal, which applies consistently to both morning and afternoon sessions, is the addition of doctors. Based on the analysis, this solution proved to be the most effective, reducing total waiting time by 39.75% in the morning scenario and 33.74% in the afternoon scenario. This recommendation provides a strategic basis for improving service efficiency and patient satisfaction at Clinic XYZ.
Co-Authors -, Denys Adiyatma Adiyatma Adrian Fortuna Setiawan Adrian, Bryan Adyatma Adyatma Anastasia Kristinawati Angelina, Cecilia Antonius, David Bachri, Karel Octavianus Br. Hutapea, Yulitari Flora Theresa Catherina Resmi Hapsari Catherine Williana Chendrasari Wahyu Oktavia Christine Natalia Christine Natalia Chyntia, Marcellina Enny Widawati Felix Eddy Sutoto Gabriella Ratna Widiastuti Goenawan, Stephanus Gunawan, Harjadi Gunawan, Sebastian Hapsari, Catherina Resmi Heryanto, Timotius Hotma Antoni Hutahaean Inderawati, Maria Magdalena Wahyuni Indra Kusno Indriati, Kumala Jeassyca Ngaditeja Johandinata, Nicholas Leonardy Jordan Adrian Kartawidjaya, Maria Angela Leonardy Johandinata Manalu, Yohanes Yosua Lewi Maria Angela Kartawidjaja Maria Goretti Yostiana Putri Maria Magdalena Marojahan Rajagukguk Mekel, Bianca Milano, Yosephan Nasihardani, Dana Nicholas, Rio Wirawan Nur, Tajuddin Octaviani B. Widiarto, Sandra Octaviani B.W., Sandra Pratama, Oki Pujianto, Hendri Redempta Aurelia Mentari Rio Wirawan Nicholas Rippun G.M., Ferry Ronald Sukwadi Sandra Octaviani Siagian, Vebryna Shaputri Silalahi, Agustinus Stephen Aprius Sutresno, Stephen Aprius Sugioko, Andre Surya, Andre Sutomo, Febryan Suwasto, Febian Tjahjadi, Fanny Wahju, Marsellinus Bachtiar Widiarto, Sandra Octaviani B. Williana, Catherine Wong, Felicitas Yanuwar, Aliffian Yulitari Flora Theresa Br. Hutapea