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All Journal Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri International Journal of Mechanical, Industrial and Control Systems Engineering
A Dandi Setiawan
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Engineering

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Analysis of Work Posture at PT Kanugrahan Techno Engineering : Application of the REBA Method to Reduce MSDs Risk Ahmad Zada Hilmi Syifa; Nalan Adha Ilan Ilahi; A Dandi Setiawan; Egga Jerri Indri Saputri; Lulu Rahiba; Widya Setiafindari
International Journal of Mechanical, Industrial and Control Systems Engineering Vol. 2 No. 1 (2025): March :IJMICSE: International Journal of Mechanical, Industrial and Control Sys
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijmicse.v2i1.167

Abstract

This study aims to analyze the musculoskeletal disorders (MSDs) risk of workers at PT Kanugrahan Techno Engineering involved in grinding activities using the REBA (Rapid Entire Body Assessment) method. The analysis results indicate that grinding activities 1 and 2 have a REBA score of 9, indicating a very high risk, while grinding activity 3 has the highest score of 10, indicating an extreme risk. Grinding activities 4 and 5 have a score of 7, indicating a moderate risk. To reduce these risks, ergonomic aids in the form of a table and chair were designed to support better posture. The production cost of one set of tools is Rp 710,966, with a total cost for 5 sets amounting to Rp 3,554,833.91. The implementation of ergonomic aids is expected to reduce MSDs risks, increase comfort and work efficiency, and improve worker productivity.
Analisis Komparatif Metode EOQ, POQ, dan JIT dalam Pengendalian Persediaan A Dandi Setiawan; Ayudyah Eka Apsari
Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Vol. 4 No. 2 (2026): Manufaktur : Publikasi Sub Rumpun Ilmu
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/manufaktur.v4i2.1409

Abstract

Inventory management plays a crucial role in supporting operational continuity by ensuring raw material availability while maintaining cost efficiency. UMKM Es Teh Kampoeng Solo utilizes a centralized warehouse to supply raw materials to multiple outlets. Nevertheless, procurement decisions are predominantly based on managerial experience and routine practices, which may lead to excess inventory or stock shortages. This study was conducted to evaluate the effectiveness of three inventory control approaches, namely Economic Order Quantity (EOQ), Periodic Order Quantity (POQ), and Just In Time (JIT), in identifying the most efficient inventory management method. A quantitative case-study design was employed using primary and secondary data obtained through observations, interviews, documentation, and company records from January to April 2026. The materials examined included tea, sugar, cups, ice blocks, 3 kg LPG cylinders, straws, and plastic packaging. The findings indicate that EOQ provides the lowest inventory cost, amounting to Rp1,157,818, compared with the existing system at Rp2,255,782, POQ at Rp5,553,572, and JIT at Rp5,111,040. Furthermore, EOQ reduced inventory expenses by 48.67% relative to the current practice and generated safety stock as well as reorder point values that support more systematic inventory planning. Based on these results, EOQ is considered the most suitable method for inventory control at UMKM Es Teh Kampoeng Solo because it offers the greatest cost efficiency, minimizes stockout risk, and can be implemented more easily than the alternative methods.
Co-Authors Ahmad Zada Hilmi Syifa Ayudyah Eka Apsari Egga Jerri Indri Saputri Lulu Rahiba Nalan Adha Ilan Ilahi Widya Setia Findari