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INVENTORY : Industrial Vocational E-Journal On Agroindustry
Published by Politeknik ATI Padang
ISSN : -     EISSN : 27231895     DOI : -
Core Subject : Engineering,
Control & Systems Engineering Engineering Industrial & Manufacturing Engineering
INVENTORY mainly focuses on applied research in Agro-industrial systems and its technology. Therefore, INVENTORY will only process and publish submitted research articles or review articles in the area of: 1. Production Planning and Inventory Control 2. Ergonomic and Work Study 3. Product Design and Development 4. Optimization of Production System 5. Information System 6. Manufacturing Facility Design 7. Maintenance System 8. Energy and agro-industrial machinery 9. Related Topic in Industry 4.0 10. Warehouse 11. Procurement 12. Transportation and Distribution 13. Logistic Decision Making 14. Management and measurement of supply chain performance 15. Other related topics with an object of agro-industry, its products (food and non-food) and services (under the decision from editorial board)
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 3 Documents
 1 
Search results for , issue "vol. 7 no. 1 (2026)" : 3 Documents clear
Identifikasi Inefisiensi dan Relayout Area Packaging dengan Metode Systematic Layout Planning di PT A.W Faber-Castell Indonesia Syaian Yanis Sahid; Widya Spalanzani
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol. 7 No. 1 (2026)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v7i1.100

Abstract

Changes in workspace functionality, such as the elimination of temporary warehouse or buffer areas, often trigger complex material flow inefficiencies in the end-of-line production. This study aims to identify inefficiency patterns in process flows and design optimal alternative facility layouts in the packaging area of PT A.W Faber-Castell Indonesia. The research methodology integrates Systematic Layout Planning (SLP) for functional proximity improvement, coupled with the Operation Process Chart (OPC) as a quantitative tool for process time mapping. The OPC mapping identified 21 process elements with a total standard time of 47 minutes, revealing that the delay activity at the conveyor system intersection serves as a significant source of non-value-added waste (5 minutes). Based on the Activity Relationship Chart (ARC) and Activity Relationship Diagram (ARD) analysis, two alternative layouts were proposed. Layout Option 1 was selected as the optimal solution because it successfully centralized the material flow into a single linear main conveyor line, relatively shortened the conveyor length from 91.3 meters to 79,4 meters, and positioned adaptive storage racks directly at each process station to eliminate dependency on a separate warehouse. The novelty of this study lies in combining the qualitative-functional analysis of SLP with the quantitative process mapping of OPC to resolve layout problems triggered by workspace functional changes, a case study that remains under-explored in packaging area layout literature. This study provides practical implications for management to achieve a leaner, more organized, and highly responsive packaging line against production capacity dynamics.
Implementasi Supply Chain Operation Reference (SCOR) dalam Pengukuran Kinerja Supply Chain PT. XYZ Muhammad Nurhasan Assidiq; Kartiko Eko Putranto; Fajri Hilmi; Florida Butarbutar; Syarif Hadiwijaya
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol. 7 No. 1 (2026)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v7i1.101

Abstract

PT. XYZ is a company engaged in Precision, Part, JIG, Fixture, Dies, Fabrication and Extrude Plastic. This study focuses on extrude plastic products by measuring the performance of the company's supply chain management which has recently been experiencing a decline due to a mismatch between forecasting results and actual demand resulting in product splitting and causing additional work in managing products to be sent to consumers, as well as other problems is the quantity and lead time of raw materials sent by suppliers does not meet standards so that it has a negative impact on the company. Measurement of supply chain management performance in the company should be conducted using the SCOR method and pairwise comparisons. Research instrument by distributing questionnaires, focus group discussions and brainstorming was carried out to determine the benchmarks for planning and evaluation in managing the company's supply chain. Based on several department that have job description regarding to supply chain in this company, 12 employees were choosen as a respondent in this research. The results showed that 14 KPIs was obtained from literature review and distribute the research instrument, passed the validation with R-value > R-table 0.5324 and reliability tests have high reliability with value 0.881. Pairwise comparisons were conducted, resulting in a supply chain performance index of 71.93%, categorized as good with performance indicator between 70-90%. From 3 suggested improvements, improved information system integration between the company and suppliers is a first priority to improve supply chain performance by reducing waste due to misinformation.
Optimalisasi Operasional Warehouse Management System Dengan Metode ABC Analysis Class-Based Storage System dan Time-Driven Activity-Based Management (Studi Kasus: PT AHS) Resa Hidayat Pramasdeka; Evi Yuliawati
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol. 7 No. 1 (2026)
Publisher : Politeknik ATI Padang

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

Abstract

This research was conducted at PT AHS, a food-grade salt manufacturing company with reverse osmosis technology, producing 23 tons per hour or 500 tons per day. Its factory warehouse has a capacity of 1,752 tons. Therefore, at its maximum capacity, the warehouse can only hold approximately three days' worth of inventory, making it highly susceptible to overcapacity. This study aims to evaluate the effectiveness of the combination of ABC Analysis Class-Based Storage and Time-Driven Activity-Based Management (TDABM) in warehouse optimization. ABC Analysis classifies products into fast-moving, medium-moving, and slow-moving classes based on throughput, which is used to design storage layouts. The results showed that 18% of product categories in the medium-moving and slow-moving classes must be moved to external warehouses if the factory warehouse capacity is met by 71%. with a storage tolerance of 1 day of production results. Meanwhile, TDABM is used to analyze the time and cost of operational activities so that the value of the Capacity Cost Rate (CCR) of warehouse activities is Rp 772.67/minute with a total handling cost of Rp 6,791.77 per pallet. A bottleneck was found in the receiving process that has the potential to cause Unused Capacity Cost of Rp 119,507,843/year. This research demonstrates that combining ABC Analysis and a Class-Based Storage System is not only effective for physical layout planning but can also be enhanced using Time-Driven Activity-Based Management (TDABM). This provides a new perspective that space efficiency must go hand in hand with time and activity cost efficiency.

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