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Risk Mitigation Strategy Using House of Risk and Root Cause Analysis for Hammer Mill Failure: Strategi Mitigasi Risiko Menggunakan Model Rumah Risiko dan Analisis Penyebab Utama untuk Gagal Mesin Penggiling Palu Riyadi, Attila Daffa; Rusindiyanto, Rusindiyanto
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.1595

Abstract

Background: In the animal feed manufacturing industry, machine reliability is essential for uninterrupted operations. Specific Background: PT XYZ, a poultry feed producer, experiences production inefficiencies due to frequent Hammer Mill failures. Knowledge Gap: Despite the critical role of machine reliability, limited studies address risk prioritization and mitigation strategies using integrative methods in this context. Aim: This study aims to identify and mitigate the dominant risk factors contributing to Hammer Mill failures through a structured risk management approach. Results: Using the House of Risk (HOR) Phase 1, five major risk agents were identified based on their Aggregate Risk Potential (ARP): lack of routine maintenance (ARP 1496), overused components (ARP 1080), foreign particle contamination (ARP 861), voltage fluctuations (ARP 510), and machine overload (ARP 432). Root Cause Analysis (RCA) traced the origin of these risks, and HOR Phase 2 prioritized mitigation actions using the Effectiveness to Difficulty Ratio (ETD). Novelty: The study integrates HOR and RCA to offer a quantitative and root-focused risk management framework. Implications: The proposed preventive maintenance scheduling system, identified as the most effective mitigation strategy, provides a replicable model for reducing downtime and enhancing production efficiency in industrial settings. Highlights: Identifies key risk factors causing machine failure. Combines HOR and RCA for effective mitigation. Proposes a preventive maintenance system to reduce downtime. Keywords: Hammer Mill, Risk Management, Root Cause Analysis, House of Risk, Preventive Maintenance
Risk Mitigation Strategy for CNC Plasma Cutting Machine Damage Using The House of Risk Method and Root Cause Analysis Aryaduta, Galang; Rusindiyanto, Rusindiyanto
Journal La Multiapp Vol. 6 No. 4 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i4.2202

Abstract

PT XYZ as a national strategic industrial company has a high dependence on the reliability of production machines, one of which is the CNC Plasma Cutting machine. Damage problems that occur on the machine can disrupt the smooth production process and pose a significant operational risk. In 2024, this machine experienced 35 breakdowns which resulted in a decrease in plate cutting output from the target of 1560 tons to 1417 tons. This study aims to identify the risk of machine failure and formulate mitigation strategies using the House of Risk (HOR) and Root Cause Analysis (RCA) methods. HOR is used to identify risk events, risk agents, and determine mitigation priorities based on the Aggregate Risk Potential (ARP) value, while RCA is used to find the main root cause of selected risks. The results showed that there were 5 mitigation actions that could potentially increase the cutting output by 8.8%, from 1417 tons to 1542 tons in 12 months. The combination of the HOR and RCA methods provides a comprehensive approach to risk mitigation, supporting the achievement of the slaughter output target.
Analysis of Lean Manufacturing Implementation With Value Stream Mapping and Failure Mode And Effect Analysis Method D, Muhammad Yafi; Rusindiyanto, Rusindiyanto
Journal La Multiapp Vol. 6 No. 4 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i4.2210

Abstract

PT. XYZ is a company that focuses on batik cloth production. This company produces batik cloth manually or what is commonly called mencanting. In its production process, PT. XYZ experiences obstacles in the form of waste problems. One effort to reduce or reduce this waste is by identifying the root of the waste that is occurring. Therefore, research was conducted using the lean manufacturing method and the help of value stream mapping to map the entire production process flow to make it easier to identify activities or processes that do not have a good impact. Then failure mode and effect analysis were also used to determine what priorities needed to be handled first so that this waste did not worsen production activities. From the results of the study, waste of the types of Defect, waiting, excess processing, excess inventory, and overproduction were obtained. The proposed improvements that can be given are eliminating unnecessary activities, conducting routine inspections of tools and machines, and creating a routine schedule for maintenance of tools and machines. In addition, it is also necessary to take firm action on the condition of employees, tools, and machines so that they are always maintained and always optimal.
Work Area Layout Optimization Using the BLOCPLAN Method: Optimalisasi Tata Letak Area Kerja Menggunakan Metode BLOCPLAN Najmuddin Syah, Mochammad Dhia; Rusindiyanto
Indonesian Journal of Innovation Studies Vol. 26 No. 3 (2025): July
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i3.1489

Abstract

The automotive sector in Indonesia has experienced consistent growth, not only in production and sales but also in after-sales services such as body repair. At PT. Putra Jawamas, inefficiencies in the workshop facility layout hinder optimal service delivery. A knowledge gap exists in leveraging both qualitative and quantitative tools for facility redesign in such settings. This study aims to improve the layout of PT. Putra Jawamas’ body repair area using the BLOCPLAN method, supported by Activity Relationship Chart (ARC) and From-To Chart (FTC) analysis. The results generated 20 layout alternatives, from which Layout B—with the highest adjacency score (0.83) and lowest rel-dist score (0.77)—was selected as optimal. The novelty lies in integrating ARC with FTC metrics to reinforce layout selection decisions. The implications of this redesign include reduced material handling distances, enhanced workflow efficiency, and increased service capacity. This study demonstrates that combining ARC and FTC in the BLOCPLAN framework provides a robust methodology for facility layout optimization in service-oriented automotive workshops.Highlight : The study applies the BLOCPLAN method to redesign the layout at PT. Putra Jawamas, aiming to improve operational efficiency in body repair services. Layout B was chosen as optimal with the highest Adjacency Score (0.83) and a low Rel-Dist Score (0.77), indicating better spatial relationships and reduced movement. Combining ARC and FTC data helped refine layout choices and justify the proposed reconfiguration for maximum productivity. Keywords : Facility Layout, BLOCPLAN, Activity Relationship Chart, Adjacency Score, Rel-Dist Score
Optimal Line Balancing with Region Approach and Ranked Positional Weight: Penyeimbangan Garis Optimal dengan Pendekatan Wilayah dan Bobot Posisi Berurutan Zahra, Salsabila Aulia; Rusindiyanto, Rusindiyanto
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.1659

Abstract

General Background: Micro, small, and medium enterprises (MSMEs) are vital to regional economic growth, yet many face production inefficiencies. Specific Background: UMKM Aneka Songkok Jombang, a producer of embroidered songkok, struggles with unbalanced production lines causing excessive work-in-progress, long waiting times, and unmet market demand. Knowledge Gap: Previous studies seldom compare line-balancing methods tailored to small-scale handicraft industries with complex station workflows. Aims: This research aims to enhance production line performance by applying the Region Approach (RA) and Ranked Positional Weight (RPW) methods to achieve optimal line balancing. Results: Stopwatch Time Study revealed initial efficiency of 47%, balance delay of 53%, and idle time of 45.24 minutes. Implementation of RA improved efficiency to 74%, reduced balance delay to 26%, and cut idle time to 14.41 minutes, while RPW achieved superior outcomes with 82% efficiency, 18% balance delay, and 8.87 minutes idle time. Novelty: This study provides a comparative evaluation of RA and RPW in a traditional MSME context, highlighting RPW’s higher effectiveness for small-scale, high-variability production. Implications: Findings guide MSMEs in adopting RPW for strategic line balancing, enabling improved productivity, reduced waste, and enhanced competitiveness in local and international markets. Highlights: RPW method achieved the highest efficiency (82%) with the lowest idle time (8.87 minutes). Comparative analysis shows RPW outperforms RA for small-scale production balancing. Implementation reduces work-in-progress and meets increasing market demand. Keywords: Line Balancing, Region Approach, Ranked Positional Weight, Songkok Production, MSME Efficiency
Analisis Beban Kerja Fisik Dan Mental Terhadap Rider Grab Menggunakan Metode Cardiovascular Load (CVL) Dan Subjective Workload Assesment Technique (SWAT) (Studi Kasus: Rider Grab Domisili Kelurahan Balas Klumprik Kecamatan Wiyung) Muhammad Zaky Mubarok; Rusindiyanto Rusindiyanto
Jurnal Ilmiah Dan Karya Mahasiswa Vol. 1 No. 3 (2023): JUNI : JURNAL ILMIAH DAN KARYA MAHASISWA
Publisher : Institut Teknologi dan Bisnis (ITB) Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/jikma.v1i3.328

Abstract

Online motorcycle taxis are a mode of transportation that is widely used today. Online motorbike taxis are very quickly accepted by the public because of the ease of ordering and are application-based which can be easily downloaded by smartphone users on both Android and iOS systems. Thanks to online motorcycle taxis, passengers no longer need to wait on the side of the road to be picked up. In addition, passengers do not have to participate in negotiations, because the price has been determined per kilometer by the application system. The presence of online motorcycle taxis also adds jobs for the people of Indonesia.
ANALISIS 5 DIMENSI KUALITAS PELAYANAN PDAM SURYA SEMBADA KOTA SURABAYA TERKAIT KELUHAN DISTRIBUSI AIR BERSIH TERHADAP KEPUASAN PELANGGAN Alfin B. Maulana; Rusindiyanto, Rusindiyanto
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 2 No. 1 (2024): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/scientica.v2i1.773

Abstract

PDAM Surya Sembada Kota Surabaya merupakan organisasi pelayanan publik yang menyediakan air bersih untuk masyarakat. PDAM dituntut memberikan pelayanan yang baik untuk pelanggan. Pelayanan yang baik dapat dilihat dari proses perusahaan dalam menangani keluhan yang dirasakan oleh pelanggan. Berbagai keluhan terhadap pelayanan PDAM baik dari pelanggan maupun calon pelanggannya menyebabkan ketidakpuasan. Keluhan-keluhan tersebut seperti distribusi air yang belum memenuhi target yang menyebabkan banyak pelanggan yang belum terpenuhi kebutuhan airnya. Kualitas pelayanan tersebut berpengaruh terhadap kepuasan pelanggan sehingga perusahaan diharapkan dapat meningkatkan kualitas pelayanan keluhan dapat terselsaikan dan dapat memenuhi kebutuhan pelanggan. Penelitian ini menggunakan pendekatan deskriptif dengan analisis data kualitatif dengan metode service qualilty dengan pendekatan 5 dimensi kualitas pelayanan yaitu Tangible, Reability, Responsiviness, Assurance, dan Empathy dengan teknik pengumpulan data wawancara, observasi dan dokumentasi. Sumber data penelitian terdiri dari data primer dan data sekunder. Hasil penelitian yang telah dilakukan secara keseluruhan bahwa PDAM Surya Sembada Kota Surabaya memiliki kualitas pelayanan yang baik, dapat dilihat dari bukti fisik yaitu fasilitas pelayanan yang diberikan maupun kemampuan pegawai dalam menangani keluhan pelanggan. Distribusi air juga dapat dikatakan berjalan dengan baik, akan tetapi perusahaan perlu melakukan rehabilitasi pipa agar distribusi air dapat ditingkatkan dan nantinya dapat mengurangi keluhan dari pelanggan.
ANALISIS 5 DIMENSI KUALITAS PELAYANAN PDAM SURYA SEMBADA KOTA SURABAYA TERKAIT KELUHAN DISTRIBUSI AIR BERSIH TERHADAP KEPUASAN PELANGGAN Alfin B. Maulana; Rusindiyanto, Rusindiyanto
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 2 No. 1 (2024): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/scientica.v2i1.773

Abstract

PDAM Surya Sembada Kota Surabaya merupakan organisasi pelayanan publik yang menyediakan air bersih untuk masyarakat. PDAM dituntut memberikan pelayanan yang baik untuk pelanggan. Pelayanan yang baik dapat dilihat dari proses perusahaan dalam menangani keluhan yang dirasakan oleh pelanggan. Berbagai keluhan terhadap pelayanan PDAM baik dari pelanggan maupun calon pelanggannya menyebabkan ketidakpuasan. Keluhan-keluhan tersebut seperti distribusi air yang belum memenuhi target yang menyebabkan banyak pelanggan yang belum terpenuhi kebutuhan airnya. Kualitas pelayanan tersebut berpengaruh terhadap kepuasan pelanggan sehingga perusahaan diharapkan dapat meningkatkan kualitas pelayanan keluhan dapat terselsaikan dan dapat memenuhi kebutuhan pelanggan. Penelitian ini menggunakan pendekatan deskriptif dengan analisis data kualitatif dengan metode service qualilty dengan pendekatan 5 dimensi kualitas pelayanan yaitu Tangible, Reability, Responsiviness, Assurance, dan Empathy dengan teknik pengumpulan data wawancara, observasi dan dokumentasi. Sumber data penelitian terdiri dari data primer dan data sekunder. Hasil penelitian yang telah dilakukan secara keseluruhan bahwa PDAM Surya Sembada Kota Surabaya memiliki kualitas pelayanan yang baik, dapat dilihat dari bukti fisik yaitu fasilitas pelayanan yang diberikan maupun kemampuan pegawai dalam menangani keluhan pelanggan. Distribusi air juga dapat dikatakan berjalan dengan baik, akan tetapi perusahaan perlu melakukan rehabilitasi pipa agar distribusi air dapat ditingkatkan dan nantinya dapat mengurangi keluhan dari pelanggan.
Pengendalian Persediaan Bahan Baku Woven Bag dengan Metode Material Requirement Planning (MRP) Untuk Mengurangi Biaya Produksi pada PT. XYZ Fahmi Ali; Rusindiyanto
JUMINTEN Vol. 1 No. 1 (2020): Juminten: Jurnal Manajemen Industri dan Teknologi
Publisher : Teknik Industri - UPN "Veteran" Jatim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/juminten.v1i1.25

Abstract

Persediaan merupakan kekayaan perusahaan yang memiliki peranan penting dalam operasi bisnis, sehingga perusahaan perlu melakukan manajemen persediaan proaktif, artinya perusahaan harus mampu mengantisipasi keadaan maupun tantangan yang ada dalam tata kelola persediaan untuk meminimalisasi total biaya yang harus dikeluarkan oleh perusahaan. Permasalahan yang timbul di PT. XYZ adalah perusahaan mengabaikan masalah pemesanan bahan baku. Tidak adanya sebuah metode yang sudah baku dalam hal pemesanan bahan baku. Dalam pemesanan bahan baku, perusahaan hanya berdasarkan pada pengalaman sebelumnya. Material Requirement Planning (MRP) adalah suatu metode yang digunakan untuk mengendalikan persediaan bahan baku pada perusahaan. Hasil penelitian ini dapat menyimpulkan bahwa perencanaan kebutuhan bahan bakudengan metode perusahaan didapatkan total cost sebesar Rp 3.556.258.241,-, sedangkan metode MRP didapatkan total cost sebesar Rp 3.003.026.414,-. Maka dapat disimpulkan telah terjadi penurunan total cost seluruh bahan baku sebesar 15,5%. Hal ini membuktikan bahwa metode MRP lebih efisien daripada metode PT Kerta Rajasa Raya. Oleh karena itu untuk mendapatkan total cost yang minimum, metode MRP diterapkan pada tahun 2019/2020 sehingga didapatkan total cost sebesar Rp 2.050.494.949,-.
Analisa Perencanaan Persediaan Bahan Baku Produk Gear dengan Menggunakan Metode Dynamic Lot Sizing di PT Tjokro Bersaudara Rega Fahmi Rivaldy; Rusindiyanto
JUMINTEN Vol. 1 No. 3 (2020): Juminten: Jurnal Manajemen Industri dan Teknologi
Publisher : Teknik Industri - UPN "Veteran" Jatim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/juminten.v1i3.62

Abstract

Perencanaan jumlah persediaan yang akan dimiliki perusahaan merupakan salah satu masa-lah yang sering dihadapi oleh perusahaan.. Pada PT. XYZ besi as merupakan bahan baku utama dengan presentase sebesar 55%. Sedangkan besi plat penggunaan nya hanya sebesar 45% dari semua produk yang dihasilkan. Pada besi as menggunakan S45c diameter 105mm dan pada besi plat dibedakan berdasarkan ketebalannya, mulai dari ketebalan 1mm; 2mm; dan 3mm.Teknik Dy-namic lot sizing merupakan teknik yang digunakan untuk menentukan jumlah item yang harus dipesan dengan meminimalkan biaya yang dikeluarkan. Dari hasil penelitian didapat biaya bahan baku metode perusahaan sebesar Rp.35.619.030,- sedangkan biaya bahan baku dengan metode Dynamic Lot Sizing sebesar Rp.33.159.734,-. Metode Dynamic Lot Sizing menghasilkan penghematan biaya sebesar Rp. 2.459.296.- atau 6,9%. Jumlah produk pemesanan untuk bulan November 2019 sampai dengan Oktober 2020 yaitu untuk bahan baku As S45c sebesar 330 unit, untuk bahan baku plat 1mm sebesar 275 lembar, untuk bahan baku plat 2mm sebesar 301 lembar dan untuk bahan baku plat 3mm sebesar 189 lembar, dengan rincihan pemakaian untuk pembu-atan 1 produk Gear dalam Bill Of Material adalah As S45c sebesar 0,7 meter, Plat 1mm sebesar 0,3 meter, Plat 2mm sebesar 0,45 meter, Plat 3mm sebesar 0,5 meter, dengan total biaya bahan baku sebesar Rp. 33.763.052.
Co-Authors Adelencia, Vallent Arfi Aditya Fahmi Nurwicaksono Aditya Yusuf Indrastana Akhmad I. Fajar Alfin, Muhammad Alfitri Dilla Anggraeni Alfitri Dilla Anggraeni Andyas Mukti Pradanarka Aprizal, Irene Rizda Septiani Arief Sulistyo Wibowo Aryaduta, Galang Aryani, Enny Athalarvin Nabilfathin Arvin Azhar Muhammad Nurdin Azhar Muhammad Nurdin Azizy, Annisa Rahmi Baiq Azka Lazuardina Catur A. Pamungkas D, Muhammad Yafi Deni Deni Dhifa Farah Dicya, Bintara Putra Dira Ernawati Endang Pudji W Erlangga E. Taruna Erlina Purnamawati Erlina Purnamawaty Fadilla Umeida Putri Fahmi Ali Fahmi Ali Fais Pramudya Mulya Fais Pramudya Mulya Farah, Dhifa Friska Aryanti Gufron, Achmad Hafid Syaifullah Hatta Makarim Hayati, Kinanti Resmi Iffad Rakhmanhuda Ifwarisan Defri Ignadia Zain Balqis Imam Ramadhani Intan Normania Iriani Irma Dani Br Sinulingga Isna Nugraha Jeremiah Batista Hutagaol Joumil Aidil Saifuddin Khomsus SF Lazuardina, Baiq Azka M Fayshal Ferdiansyah M. Frizky Feri Setiawan Maulana Malik Agungdiningrat Mega Cattleya Prameswari Annissaa Islami Mega Nanda A.W Moch. Annas Hidayatulloh Moh. Miladun Hakimin Alim Mohammad Shodiq Wahyu Riamto Muhammad Zaky Mubarok Musyaffa, Akmal Fikri Faaiz Najmuddin Syah, Mochammad Dhia Nike Illiyine Pangestuti Nike Illiyine Pangestuti Noval Dwi Aryadipura Noval Dwi Aryadipura Nugraha, Isna Nur Rahmawati NUR RAHMAWATI Priyatna Septedi Inrianto purba, Willy Putri, Firda Amalia Qurratul Aini Raden Bramantia Rukmana Radifan Dimasyqi Radifan Dimasyqi Rafida, Halimas Nafi Rahmatillah, Hassan Rama Adi Rama Adi Ramadhani, Imam Ramadhany Novitasari, Syafira Rega Fahmi Rivaldy Rega Fahmi Rivaldy Renny Agustini S Revica Tauriza Alfiane Riyadi, Attila Daffa Rizqi Novita Sari Rizqi Novita Sari Rizqi Novita Sari Rochmatullah, Faris Yasin Romadoni, M Ilham Sabrina Salma Nabila Sarah Aliyah Sabhirah Shafira Sausan Ferinanda sholeha, fitriatus Sinulingga, Irma Dani Br Sitanggang, Antonius Nathanael Sugianto, Moch. Febri Sunardi Sunardi Tino Aprilyanto Tranggono Tranggono Tranggono Tranggono Tranggono Trinisa, Lerinda Ubaidillah Ubaidillah Ubaidillah Vensa Aldian Alfano Vensa Aldian Alfano Willy Purba Winursito, Yekti Condro Yekti Condro Winursito Yus Ardianto ZAHRA, SALSABILA AULIA Zamroni Makruf Zamroni Makruf