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Improving warehouse efficiency of sparepart storage through comparison of dedicated and class-based storage methods Prayoga Prima Hermawan; Qurtubi Qurtubi
International Journal of Advances in Applied Sciences Vol 15, No 2: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v15.i2.pp470-478

Abstract

Warehouses play a crucial role in supporting the efficiency of supply chain operations, especially in material management and goods movement. However, in a company engaged in the paper printing and recycling industry, inefficiency in searching and retrieving goods in the spare parts warehouse is a major challenge, with a sub-optimal layout hampering smooth operations. This research offers a new perspective by evaluating the effectiveness of two storage methods, namely class-based storage and dedicated storage, in the context of spare parts warehouses that have different layout characteristics. This study aims to compare the two methods in improving material-handling efficiency and optimizing warehouse layout. The results show that the class-based storage method is more effective in reducing travel distance and material-handling time than dedicated storage. In addition, this method can improve operational efficiency and support the smooth production process through the arrangement of goods based on picking frequency. The theoretical implications of this research contribute to the development of warehousing management literature, while practically, the results of this study can serve as a guide for industries in implementing more efficient warehouse layout strategies.
Supply Chain Performance Evaluation in the Pulley Manufacturing Industry Using Supply Chain Operations Reference and Analytical Hierarchy Process Qurtubi; Haswika; Noppakun Sangkhiew; Elisa Kusrini
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.3104

Abstract

Supply chain performance is critical to the efficiency of make-to-order manufacturing systems, where waste such as waiting, rework, unnecessary motion, overprocessing, and transportation still occurs at several workstations. These inefficiencies prolong production time and reduce overall effectiveness. This study aims to measure supply chain performance, determine the relative importance of performance metrics, and establish improvement priorities. The research integrates the Supply Chain Operations Reference (SCOR) model with the Analytical Hierarchy Process (AHP) to evaluate performance and assign objective weights to key indicators. The analysis focuses on five critical workstations identified as major sources of waste. The results provide an objective performance score, identify key indicators requiring improvement, and offer prioritized recommendations to enhance efficiency. Findings show that indicators such as waiting time and facility layout efficiency still need improvement to reach an excellent performance level. The integration of SCOR and AHP effectively supports decision-making in determining improvement priorities, contributing to a more efficient and productive pulley manufacturing process. This study also offers a structured approach to performance evaluation in make-to-order systems, providing practical insights for decision-makers in Small and Medium Industries (SMIs).
Evaluasi Stasiun Kerja Industri Garmen dengan Motion Study Gisya Amanda Yudhistira; Rona Sutra Dewangga Dyah Utami; Rahmaniyah Dwi Astuti; Qurtubi Qurtubi
Performa: Media Ilmiah Teknik Industri Vol 22, No 1 (2023): Performa: Media Ilmiah Teknik Industri
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.22.1.72083

Abstract

Keberlanjutan suatu perusahaan berkaitan dengan kinerja sumber dayanya, dan tentu idak terlepas dari manajemen sumber daya manusia dan kegiatan operasional yang ada. Seperti pada industri garmen, banyaknya sumber daya harus dikelola dan diawasi dengan baik guna mencapai kinerja yang diinginkan. Hasil observasi awal ditemukan ada tidak kesesuaian antara rata-rata hasil produksi 40 unit per jam dengan ketercapaian produk yang ada yaitu 33 unit per jam. Sehingga perlu identifikasi lanjutan untuk menyelesaikan permasalahan ini. Menggunakan metode motion study, di proses proses penyatuan panel dan aksesoris, diketahui pada tangan kanan terdapat 99 gerakan efektif dan terdapat 10 gerakan tidak efektif, pada tangan kiri terdapat 16 gerakan efektif dan gerakan 21 tidak efektif. Di proses penjahitan zipper otomatis, pada tangan kanan terdapat 13 gerakan efektif dan tiga gerakan tidak efektif, pada tangan kiri terdapat 12 gerakan efektif dan 6 gerakan tidak efektif. Sehingga perbaikan layout sangat direkomendasikan untuk mengurangi ketidakefektifan gerakan kerja.
Identifikasi Risiko Rantai Pasok dengan Metode House of Risk (HOR) Juniardo Akmal Hadi; Melinska Ayu Febrianti; Gisya Amanda Yudhistira; Qurtubi Qurtubi
Performa: Media Ilmiah Teknik Industri Vol 19, No 2 (2020): Performa: Media Ilmiah Teknik Industri
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.19.2.46388

Abstract

Modern era has an impact on the manufacturing industry. Relate to technology to turn raw goods into finished goods. Look at competitive in competition between companies that are required to customer demand. PT XYZ is a textile company. The dynamic demand for fabrics has the impact of abundant inventory and uncertain raw material delivery waiting times make it difficult for the company to meet all demand. Risk identification using Failure Mode and Effect Analysis (FMEA) method, assessing the importance of the effectiveness business processes in the risk implications that occur. Then, the House of Risk (HOR) approach can be analyzed against potential risks in the company when conducting production and look at the degree of probability risk as well as the impact that occurs and impacts decision making so as not to be detrimental. The results of this study show that there are 5 risk events and 28 risk agents that become supply chain risks as well as recommendations to the priority risk agents