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Urfan Taghiyev
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Journal La Multiapp
Published by Newinera Publisher
ISSN : 27163865     EISSN : 27211290     DOI : https://doi.org/10.37899/journallamultiapp
Core Subject : Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering
International Journal La Multiapp peer reviewed, open access Academic and Research Journal which publishes Original Research Articles and Review Article, editorial comments etc in all fields of Engineering, Technology, Applied Sciences including Engineering, Technology, Computer Sciences, Architect, Applied Biology, Applied Chemistry, Applied Physics, Material Engineering, Civil Engineering, Military and Defense Studies, Photography, Cryptography, Electrical Engineering, Electronics, Environment Engineering, Computer Engineering, Software Engineering, Electromechanical Engineering, Transport Engineering, Mining Engineering, Telecommunication Engineering, Aerospace Engineering, Food Science, Geography, Oil & Petroleum Engineering, Biotechnology, Agricultural Engineering, Food Engineering, Material Science, Earth Science, Geophysics, Meteorology, Geology, Health and Sports Sciences, Industrial Engineering, Information and Technology, Social Shaping of Technology, Journalism, Art Study, Artificial Intelligence, and other Applied Sciences.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 336 Documents
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Implementation of Job Safety Analysis and HIRADC as Occupational Risk Control Strategies in the Preventive Maintenance Process at PT XYZ Annisa Safitri Mawaddah; Setiawan Setiawan; Cipto Purwanto
Journal La Multiapp Vol. 7 No. 3 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i3.3324

Abstract

This research focuses on potential hazards and the risk of accidents that may occur during preventive maintenance, which requires awell planned approach. The objective of this study is to identify hazards, analyze the extent of the risks, and evaluate methods that canbe used to control those risks. Data collection was conducte dusing the JSA (Job Safety Analysis) method to identify hazards at each stage of the work and the HIRADC (Hazard Identification, Risk Assessment, and Determining Control) to assess risk levels and select appropriate control measures. The findings of this study revealthe presence of various potential hazards, such as mechanical, electrical, and human factors, with varying threat levels ranging from low to high Risk management includes administrative controls, the use of personal protective equipment, and inspections of the tools used. It is hoped that the application of the JSA and HIRADC methods can effectively assist in the identification and control of risks, although their implementation still requires improvement particularly regarding monitoring of worker compliance. It is recommended to enhance training on workplace safety and conduct periodic evaluations of risk control measures.
Analysis of Hard Box Product Failures Using Failure Mode and Effects Analysis (FMEA) and DMAIC Methods at PT XYZ Mellyani Nurmaya Fauzizah; Hendi Herlambang; Setiawan `Setiawan
Journal La Multiapp Vol. 7 No. 3 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i3.3328

Abstract

PT XYZ is a manufacturing company in the packaging industry that produces hard box products with high precision requirements. Based on production data from January to December 2025, the defect rate reached an average of 3.39% with a maximum value of 6.80%, exceeding the company standard of 3%, indicating that the production process is not yet fully under control and requires systematic quality improvement. This study aims to identify dominant defect types, analyze the root causes of failures, and determine effective improvement priorities. The method used is the DMAIC (Define, Measure, Analyze, Improve, Control) approach integrated with Failure Mode and Effect Analysis (FMEA) to assess failure risks based on the Risk Priority Number (RPN). The results show that the dominant defects are dimensional inaccuracy (22.91%), glue contamination (20.76%), and dented/damaged products (18.82%), contributing 62.49% of the total defects. Based on FMEA analysis, glue contamination has the highest RPN value of 384, making it the top priority for improvement. The main causes of defects are related to human factors, machine conditions, and unstandardized work methods. The proposed improvements include process standardization, development of standard operating procedures (SOP), use of supporting tools, enhancement of operator competence, and regular machine maintenance and calibration. The integration of FMEA within the DMAIC framework provides a more systematic and structured analytical approach and is projected to reduce the defect rate to meet or approach the company’s quality standard.
Analysis of Improving the Efficiency and Effectiveness of Company Resource Utilization Using CPM and PERT Approaches: A Case Study Wagimin Wagimin; Anwar Fattah
Journal La Multiapp Vol. 7 No. 3 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i3.3329

Abstract

Effective project management is essential for technology service companies to improve resource efficiency and minimize project delays. PT XYZ has experienced an increase in project demand, but several projects have not been completed according to the planned schedule, resulting in financial losses and potential client dissatisfaction. This study aims to analyze the scheduling of the Hospital Informatics Project at PT XYZ using the Critical Path Method (CPM) and Program Evaluation and Review Technique (PERT). A descriptive quantitative case study approach was applied by identifying project activities, determining activity dependencies, allocating human resources, developing a project network, and calculating project duration and completion probability. The CPM analysis shows that the critical path of the project is C–F–H–J, with an optimal completion time of 45 months. The PERT analysis indicates that the probability of completing the project within the target duration is 24.51%. The findings also show that project delays may be influenced by work methods, environmental conditions, material availability, human resources, and extraordinary circumstances. Therefore, the integration of CPM and PERT can help PT XYZ improve project scheduling, monitor critical activities, reduce delay risks, and enhance the efficiency and effectiveness of company resources.
Analysis of Factors Causing Material Waste Using the Pareto Method and a Fishbone Diagram in Building Construction Projects Amelia Ayuni Agustina; Aryati Indah K
Journal La Multiapp Vol. 7 No. 3 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i3.3349

Abstract

Material waste is one of the major problems in construction projects that can lead to increased costs, project delays, and reduced project efficiency. This study aims to analyze the factors causing material waste in building construction projects using the Pareto and Fishbone Diagram methods, with a case study of Hotel X Construction Project in West Java. The research employed a quantitative method with a descriptive-analytical approach through field observations, project documentation, interviews, and questionnaires distributed to respondents directly involved in project material management. Pareto analysis was used to identify materials contributing the greatest losses, while the Fishbone Diagram was applied to analyze the root causes of material waste based on factors of man, method, material, machine, and management. The results showed that the total loss caused by material waste reached IDR 32,109,075.00, with D22 reinforcing steel contributing 36,64% and concrete contributing 28,76%, resulting in a cumulative contribution of 65,40%. The main factors causing waste included improper material cutting, weak field supervision, inefficient work methods, material damage during delivery, and suboptimal material management. Based on the findings, waste control recommendations include the implementation of cutting plans, improvement of work supervision, optimization of material storage systems, and enhancement of coordination among project divisions. This research is expected to serve as a reference for improving material use efficiency and minimizing losses in building construction projects.
Evaluation of Time Performance in Construction Project Implementation: A Case Study of Building X and Building Y Dian Nazwa Qurratul A'ini; Fathur Rohman Robandi
Journal La Multiapp Vol. 7 No. 3 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i3.3350

Abstract

This study aims to evaluate the implementation of construction project time management in the Building Development Project at RSUD X. The research focuses on analyzing the conformity between planned schedules and actual project execution, identifying time deviations, determining critical path activities, and examining factors causing delays during project implementation. The study employed a descriptive quantitative approach with a case study method. Data were collected through observation, documentation, interviews, project schedules, S-curve data, and weekly progress reports. The analysis was conducted using S-Curve comparison and Critical Path techniques to evaluate project performance in terms of time control. The findings indicate that several project activities experienced delays caused by technical, managerial, and external factors, including material delivery constraints, coordination issues, and field conditions. Critical path analysis identified several key activities that significantly influenced the overall project duration. The study concludes that effective time management, continuous monitoring, and proper scheduling control are essential to minimize delays and improve construction project performance.
Comparative Evaluation of Three-Tier and Cisco ACI Data Center Architectures Andi Muhammad Bintang Fadhilah; Ari Ramadhan
Journal La Multiapp Vol. 7 No. 3 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i3.3220

Abstract

This study aims to conduct a comprehensive comparative evaluation of traditional three-tier and application-centric data center network architectures within an enterprise environment. The research adopts a descriptive qualitative approach using a comparative case study design combined with design evaluation techniques. Empirical data were collected from a real-world data center operating both architectures concurrently across multiple sites, supported by documentation analysis, operational monitoring, and direct observation. The analysis is structured around five key capability dimensions, namely scalability, security, reliability, operational simplicity and agility, as well as network visibility and virtualization awareness. The findings demonstrate that the application-centric architecture significantly outperforms the traditional model in scalability, security, operational efficiency, and visibility. It supports a higher number of endpoints and nodes with lower resource utilization, achieves reduced network latency, enables fine-grained security segmentation, and provides centralized policy-based management with integrated monitoring capabilities. Although the traditional architecture shows slightly higher aggregate availability, this is primarily influenced by operational maturity rather than architectural superiority. The results indicate that the application-centric approach offers a more adaptive, scalable, and secure solution for modern enterprise data center environments. This study contributes practical insights for network engineers and decision-makers by providing an evidence-based evaluation framework and highlighting key considerations for infrastructure transformation strategies.

Page 34 of 34 | Total Record : 336

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