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All Journal OPSI Jurnal Ilmiah Dinamika Rekayasa (DINAREK) Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri Jurnal INTECH Teknik Industri Universitas Serang Raya Industri Inovatif : Jurnal Teknik Industri Jurnal Surya Teknika Jurnal Senopati : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering International Journal of Multi Discipline Science (IJ-MDS) Jurnal Teknik Industri, Bisnis Digital, dan Teknik Logistik: Jurnal Trinistik Journal of Industrial and Mechanical Engineering
Sofiana, Amanda
Universitas Jenderal Soedirman
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation

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MITIGASI RISIKO RANTAI PASOK PADA UMKM MEBEL KAYU JATI MENGGUNAKAN METODE HOUSE OF RISK DAN SIMPLE MULTI-ATTRIBUTE RATING TECHNIQUE Widyastuti, Khoirunisa Wahyu; Sofiana, Amanda; Aulia Imran, Rani
Jurnal TRINISTIK: Jurnal Teknik Industri, Bisnis Digital, dan Teknik Logistik Vol 4 No 2 (2025): September 2025
Publisher : nter of Execellence (COE) ICT Infrastructure, Smart Manufacture and Digital Supply Chain

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/trinistik.v4i2.1934

Abstract

This research aims to identify various risks present in the supply chain activities of teak wood furniture production at Jati Bahagya Gallery and to establish priorities for mitigation actions against these risks. The approach used includes the Supply Chain Operation Reference (SCOR) model to map the supply chain flow, the House of Risk (HOR) method to evaluate risk events and their causes (risk event and risk agent), and the Simple Multi-Attribute Rating Technique (SMART) method to establish risk mitigation priorities. The mapping results revealed 26 risk events and 28 risk causes spread across five main processes: plan, source, make, deliver, and return. Through Aggregate Risk Potential (ARP) analysis and a Pareto diagram, three main risk causes were identified: increased operational costs, low wood quality, and production locations scattered across various cities. Eight risk mitigation proposals were obtained and then organized and prioritized based on a combination of Effectiveness to Difficulty (ETD) values and the results of the SMART method calculation. The final result of this research produces a prioritized sequence of mitigation actions that can be implemented by the company, which is expected to serve as a foundation for improving the supply chain system and enhancing operational efficiency.
Pendekatan Lean Service Untuk Mengurangi Waste Pada Layanan Cuci Mobil Prakoso, Indro; Sofiana, Amanda; Samudro, Megah Bintang; Hamidi, A Ali; Andriyas Puji, Ari
SURYA TEKNIKA Vol 12 No 2 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i2.10524

Abstract

Penelitian ini bertujuan untuk mengidentifikasi pemborosan (waste) yang terjadi pada proses pencucian kendaraan menggunakan pendekatan lean service. Metode penelitian dilakukan dengan time study sebanyak lima kali percobaan, yang kemudian dipetakan menggunakan Value Stream Mapping (VSM) untuk mengetahui aktivitas bernilai tambah (VA), tidak bernilai tambah tetapi perlu (NNVA), serta tidak bernilai tambah (NVA). Hasil penelitian menunjukkan bahwa dari total cycle time sebesar 3207 detik, terdapat waste sebesar 333 detik (10,38%). Waste yang dominan muncul di antaranya adalah penggunaan slang dan water jet yang dipakai bergantian untuk motor, pengulangan lap eksterior–interior, multitasking kendaraan, hingga idle time akibat pegawai mengobrol. Setelah dilakukan analisis akar masalah menggunakan fishbone diagram dan five whys analysis, dirancang perbaikan berupa penerapan single-piece flow, penambahan SOP mikro, serta penyediaan alat kerja sesuai ergonomi. Implementasi simulasi perbaikan menunjukkan penurunan cycle time menjadi 2416 detik atau setara penghematan 791 detik (24,66%). Hasil ini membuktikan bahwa penerapan lean service dapat meningkatkan efisiensi waktu proses di layanan jasa pencucian kendaraan
Co-Authors Anwar Abdur Rosyid Atmaja, Wellyaz Sayidi Aulia Imran, Rani Azhar Rafi Rendra Diki Ahmad Tasdiqul Haq Eva Pramudea Safitri Fazrin, Dea Aulia Fiky Two Nando Hamidi, A Ali Indro Prakoso Milena Novita Piranti Musyafa'ah Musyafa'ah Nofandy, Danu Syukur Pardamean, Octaviandy Puji, Ari Andriyas Rafi Triyanto Reza Azizul Nasa Al Hakim Samudro, Megah Bintang Sarah Nurmalawati Syahrullah, Yudi Triyanto, Rafi Widyastuti, Khoirunisa Wahyu