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All Journal ETIKONOMI E-Bisnis : Jurnal Ilmiah Ekonomi dan Bisnis Pro Bisnis Primanomics : Jurnal Ekonomi & Bisnis QARDHUL HASAN: MEDIA PENGABDIAN KEPADA MASYARAKAT Referensi : Jurnal Ilmu Manajemen dan Akuntansi Ultima Management : Jurnal Ilmu Manajemen Journal of Enterprise and Development (JED) JSMA (Jurnal Sains Manajemen dan Akuntansi) Jurnal ABDINUS : Jurnal Pengabdian Nusantara Airlangga Journal of Innovation Management ProBisnis : Jurnal Manajemen Indonesian Community Journal Journal of Business Studies and Management Review Jurnal Ilmu Manajemen Dan Kewirausahaan (JIMK) Jurnal Budiman: Pembangunan dan Pengabdian Masyarakat Nusantara Jurnal Salingka Nagari Banking & Management Review
Rediawan Miharja
Universitas Singaperbangsa Karawang
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Analisis Pengendalian Kualitas menggunakan Lean Six Sigma dan Kaizen (Studi Kasus pada Hilton Konveksi) Indah Lestari, Dwi Ayu; Miharja, Rediawan
Primanomics : Jurnal Ekonomi & Bisnis Vol. 23 No. 3 (2025): Primanomics : Jurnal Ekonomi dan Bisnis
Publisher : Fakultas Bisnis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31253/pe.v23i3.3839

Abstract

The garment manufacturing industry in Indonesia faces ongoing challenges in maintaining consistent product quality, as seen at Hilton Konveksi, where defect rates often exceed the acceptable 1% tolerance limit. This study aims to identify the root causes of product defects in the production of work trousers and propose structured improvements to enhance quality control. Using the Lean Six Sigma methodology integrated with the DMAIC (Define, Measure, Analyze, Improve, Control) framework and supported by the Kaizen philosophy, the research provides a systematic and data-driven approach to process optimization. Data were collected through observation, interviews, check sheets, and company documentation. The results show that the average defect rate reached 5.1%, with slanted stitching being the most frequent issue, accounting for 36% of total defects. Root cause analysis using the 5M (Man, Machine, Method, Material, Environment) framework revealed multiple contributing factors, including operator fatigue, lack of SOPs, and inadequate equipment maintenance. Kaizen-based improvement recommendations were implemented, focusing on preventive actions and employee involvement. The calculated sigma level of 3.61 indicates moderate process capability. Overall, the study demonstrates that the integration of Lean Six Sigma and Kaizen can effectively reduce defects, improve product quality, and enhance operational efficiency in garment manufacturing.
Analyzing The Impact of Quality Management on Housing Users' Perceptions Using Property SERVQUAL Miharja, Rediawan; Muzayanah, Fety Nurlia; Tazliqoh, Agustifa Zea
Airlangga Journal of Innovation Management Vol. 6 No. 3 (2025): Airlangga Journal of Innovation Management
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ajim.v6i3.72727

Abstract

The history of Service Quality has appeared in several previous studies, but studies that discuss property SERVQUAL remain underexplored, particularly in relation to user satisfaction and housing quality in developing countries. The concept of quality management will support the success in developing the housing sector and will provide acceleration for the government to improve the local economy. Unfortunately, in many developing countries, the management of housing for the community tends not to meet the required quality because it always prioritizes quantity. There is the urgency of empirical and theoretical gaps is an opportunity for researchers to provide additional scientific references in the form of conceptual quality management of housing users' perceptions using property SERVQUAL in accordance with the expected impact. The method applied in this paper was carried out with a quantitative approach. The data obtained is through surveys. The survey data were processed using a model test tool, namely PLS-SEM. Respondents in this study were 150 housing users. The findings that will be obtained in this study are in the form of a conceptual description of quality management of housing user perceptions using property SERVQUAL and how it impacts housing characteristics and direct impacts for users in the form of subjective well-being. The implications of this research consist of two outputs, namely the first implication for science in the form of new references from the concept of quality management with novelty linking Property SERVQUAL, housing characteristics, and subjective well-being. The second is the consideration of practical strategies for housing stakeholders.
Evaluasi Pemeliharaan Dump Truck Menggunakan Metode Reliability Centered Maintenance II (Studi Kasus Pada PT XYZ) Rahmah, Nur Alya; Miharja, Rediawan
JSMA Vol 17 No 1 (2025): JSMA (Jurnal Sains Manajemen dan Akuntansi)
Publisher : LPPM Sekolah Tinggi Ilmu Ekonomi STAN IM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37151/jsma.v17i1.228

Abstract

Penelitian ini bertujuan untuk mengevaluasi kegiatan pemeliharaan dump truck pada PT XYZ menggunakan metode Reliability Centered Maintenance II (RCM II). Analisis data pada penelitian ini menggunakan analisis deskriptif untuk mengetahui aktivitas pemeliharaan PT XYZ saat ini, dan analisis verifikatif untuk membuktikan apakah metode RCM II dapat diterapkan secara efektif dan relevan di lapangan. Berdasarkan historis tahun 2023-2024, unit DT-14 dipilih sebagai objek penelitian karena memiliki frekuensi kerusakan dan downtime tertinggi. Hasil Failure Mode Effect Analysis (FMEA) menunjukkan bahwa tiga komponen dikategorikan sebagai komponen kritis karena memiliki Risk Priority Number (RPN) ≥ 181, yaitu mesin (RPN 270), silinder hidrolik (RPN 210), dan kopling (RPN 210). Melalui metode RCM II, ditetapkan interval pemeliharaan berdasarkan keandalan menggunakan distribusi weibull, yakni mesin setiap 1.100 jam, silinder hidrolik 700 jam, dan kopling 600 jam, dengan target keandalan masing - masing 95% dan 80%. Selain itu, rancangan pemeliharaan dengan metode RCM II terbukti dapat menurunkan biaya pemeliharaan, yaitu Rp.3.625.000 untuk mesin, Rp. 3.500.000 untuk silinder hidrolik, dan Rp. 4.228.000 untuk kopling.
Analisis Perancangan Tata Letak Gudang Bahan Baku Menggunakan Metode Dedicated Storage pada PT. XYZ Septiani Yulia; Miharja, Rediawan
JSMA Vol 17 No 1 (2025): JSMA (Jurnal Sains Manajemen dan Akuntansi)
Publisher : LPPM Sekolah Tinggi Ilmu Ekonomi STAN IM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37151/jsma.v17i1.230

Abstract

Penelitian ini bertujuan untuk menganalisis dan merancang ulang tata letak gudang bahan baku pada PT. XYZ, guna meningkatkan efisiensi arus distribusi bahan baku ke departemen produksi. Metode yang digunakan dalam penelitian ini adalah studi kasus dengan pendekatan kuantitatif deskriptif. Data dikumpulkan melalui observasi langsung, wawancara, dokumentasi, dan triangulasi pada sistem penyimpanan serta aktivitas distribusi bahan baku. Diketahui, bahwa metode penyimpanan yang digunakan saat ini pada gudang bahan baku PT. XYZ adalah metode Randomized Storage, di mana bahan baku tidak memiliki lokasi penyimpanan yang tetap dan sering berpindah-pindah. Hal ini menyebabkan inefisiensi dalam proses pengambilan barang yang membutuhkan waktu yang lama, sehingga menyebabkan keterlambatan arus distribusi bahan baku. Akibatnya, proses produksi menjadi terhenti. Perancangan ulang tata letak dilakukan dengan menggunakan metode Dedicated Storage dengan pendekatan Throughput Based, barang yang memiliki aktivitas keluar-masuk tertinggi diletakkan berdekatan dengan area pintu masuk/keluar gudang. Hasil perhitungan menggunakan metode Dedicated Storage, menghasilkan rata-rata waktu yang dibutuhkan dalam pendistribusian bahan baku sebesar 29 menit 21 detik, lebih cepat dari target yang telah ditetapkan perusahaan yaitu 30 menit. Selain itu, perusahaan dapat menghemat ruang gudang seluas 6.000 meter yang dapat diekspansi untuk penambahan kuantitas atau jenis bahan baku yang akan disimpan. Hasil ini menunjukkan bahwa metode Dedicated Storage efektif dalam mengatasi keterlambatan pendistribusian bahan baku dan meningkatkan efisiensi penggunaan ruang penyimpanan bahan baku pada PT. XYZ.
Co-Authors Agustifa Zea Tazliqoh Agustifa Zea Tazliqoh Almanfarisi, Muhammad Gibran Alpiah, Alpiah Angga Sanita Putra Aulia, Chisty Aulia, Muhamad Dava Az-Zahra, Kamilia Putri Burhanudin, Mochamad Faishal Derisa Hendriyanti Dito Rinaldo, Dito Fadhlan Nur Hakiem Faqih, Abu Rizal Fety Nurlia Muzayanah Fety Nurlia Muzayanah Fety Nurlia Muzayanah, Fety Nurlia Halfhy Muggy Ahdattorikin Indah Lestari, Dwi Ayu Isro’iyatul Mubarokah Lasifa, Triana Lolita Deby Mahendra Putri Mardiah, Dinda Meilany Sekarwangi Muhammad Gibran Almanfarisi Nadila Puspitawati Octaviani, Intan Nur Purnama, Muhammad Fazza Rabhi Fathan Muhammad Rahmah, Nur Alya Rizke Wiliyanti Sari, Puteri Andika Sari, Wiendy Puspita Savira, Arsylla Dinda Sembiring, Rinawati Septiani Yulia Shafa, Lizha Nur Shofwaana, Reyza Ardelia Sinaga, Stevani Tistayulia Rodiah Venni Avionita Wardhana