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All Journal Indonesian Journal of Industrial Engineering & Management Jurnal Teknik Industri
Panjaitan, Irma Adelina
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Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Analisis Risiko Aktivitas Road Maintenance PT XYZ dengan Menggunakan Metode FMEA Panjaitan, Irma Adelina; Halim, Abdul; Sukmono, Yudi
Jurnal Teknik Industri (JATRI) Vol. 3 No. 2 (2025): Jurnal Teknik Industri (JATRI)
Publisher : Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/59s4wj60

Abstract

PT XYZ merupakan sebuah perusahaan kontraktor pertambangan batu bara yang bergerak dalam bidang pengangkutan batu bara dan perawatan jalan tambang. Dalam melakukan kegiatan perawatan jalan, PT XYZ bertanggung jawab pada jalan pertambangan sepanjang 53 km yang dimiliki oleh pelanggannya. Dengan 4 paket unit alat berat yang dimiliki oleh PT XYZ, aktivitas road maintenance tersebut dikerjakan dengan membagi panjang jalan tersebut menjadi dua bagian yaitu bagian selatan sepanjang 49 km – 72 km dan bagian utara sepanjang 73 km – 102 km. Pada masing-masing bagian dalam pengerjaan perawatan jalan, terdapat pengawas khusus bagian perawatan jalan agar dapat berjalan sesuai dengan yang telah direncanakan. Oleh karena itu, perlu dilakukan identifikasi dan analisis risiko dengan menggunakan metode Failure Mode and Effect Analysis (FMEA) untuk mengidentifikasi hal yang berpotensi memberikan kerugian selama melakukan aktivitas perawatan jalan. Berdasarkan hasil wawancara terdapat 5 potensi risiko yang terjadi saat melakukan aktivitas perawatan jalan dan setelah dilakukan perhitungan nilai Risk Priority Number (RPN), didapatkan 1 nilai tertinggi yaitu jadwal road maintenance terhambat dengan nilai sebesar 240. Dengan menggunakan diagram fishbone, didapatkan akar permasalahan yang muncul dari risiko tersebut meliputi manusia, mesin, material, metode, dan lingkungan kerja. Sehingga diberikan alternatif perbaikan pada masing-masing permasalahan tersebut dengan tujuan agar dapat mencegah terjadinya risiko dengan kejadian yang sama.
Optimization of Fast Moving Consumer Goods Distribution Routes Using Vehicle Routing Problem at PT Cahaya Mahakam Samarinda Panjaitan, Irma Adelina; Wahyuda, Wahyuda; Asdi, Ridzky Zul
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 6, No 3: October 2025
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v6i3.33473

Abstract

PT Cahaya Mahakam Samarinda, as one of the companies engaged in the distribution of fast-moving consumer goods, serves a variety of customers, including wholesalers, small shops, and food businesses. Based on the initial observations that have been made, the determination of distribution routes is carried out by the warehouse manager, who subjectively determines the route based on personal observations before the driver delivers consumer products because the company does not yet have the appropriate tools or methods to determine the route. This sometimes forces drivers to search for customer locations directly in the field if they have never delivered to that customer before, and sometimes there are inaccuracies in selecting the delivery route to the next customer. In this problem, it falls under the Vehicle Routing Problem, which is solved using the cluster first, route second approach with the Sweep method to create clusters and Nearest Neighbor with manual calculations, as well as Branch and Bound with calculations using the WinQSB software to determine the route for each created cluster. The results of both route creation methods were compared with the initial route. Based on the research results, the Sweep method produced 9 fewer clusters compared to the initial route of 11 clusters. In route determination, the Nearest Neighbor method resulted in a distance savings of 55.4 km (20.11%) and a cost savings of IDR 74,190.43. The Branch and Bound method resulted in savings of 64.6 km (23.47%) and cost savings of IDR 93,144.07.
Co-Authors A Halim Ridzky Zul Asdi Wahyuda, Wahyuda Yudi Sukmono, Yudi