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All Journal Journal of Industrial Engineering and Operation Management (JIEOM) Unnes Journal of Public Health JHE (Journal of Health Education)
Rahayu, Octavia
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Decision Sciences, Operations Research & Management Health Professions Industrial & Manufacturing Engineering Public Health

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PENERAPAN METODE SILVER MEAL UNTUK OPTIMALISASI PERSEDIAAN BAHAN BAKU ARM REAR BRAKE KYEA PADA PT XYZ Rahayu, Octavia; Winarno, Winarno; Alifin, Fakhri Ikhwanul
Journal of Industrial Engineering and Operation Management (JIEOM) Vol 8, No 1 (2025)
Publisher : Universitas Islam Kalimantan Muhammad Arsyad Al Banjari Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jieom.v8i1.16772

Abstract

Perkembangan pesat industri otomotif di Indonesia mendorong peningkatan produksi dan kebutuhan suku cadang, termasuk di PT XYZ, perusahaan manufaktur stamping logam. Salah satu tantangan spesifik yang dihadapi adalah kurangnya metode perencanaan kebutuhan material yang tepat dalam mengelola persediaan bahan baku plat SPCC, sehingga sering terjadi overstock atau out of stock yang menghambat produksi dan memperlambat turnover inventory. Selain itu, fluktuasi permintaan dan kurang optimalnya penentuan ukuran lot menyebabkan biaya penyimpanan yang tinggi dan potensi terjadinya kelebihan stok. Penelitian ini bertujuan mengoptimalkan pengendalian persediaan bahan baku dengan metode Silver Meal, sebuah teknik lot sizing untuk menekan biaya persediaan rata-rata per periode. Analisis menunjukkan bahwa meskipun perusahaan belum menerapkan metode ini, potensi efisiensi yang ditawarkan sangat signifikan. Dengan penerapan metode Silver Meal, ditemukan ukuran lot optimal untuk 11 periode yang mampu menghemat biaya sebesar 0,031% atau Rp430.450. Selain itu, metode ini secara efektif mengurangi biaya penyimpanan hampir hingga nol setiap bulannya. Oleh karena itu, metode Silver Meal diharapkan dapat membantu PT XYZ dalam meminimalkan biaya persediaan dan meningkatkan efisiensi operasional.Kata Kunci: Silver Meal, Pengendalian Persediaan, Ukuran Lot, Fluktuasi Permintaan, PT XYZ, Efisiensi Biaya.
Analysis of Occupational Accidents in Various Informal Sectors in Indonesia Widowati, Evi; Wahyuningsih, Anik Setyo; Seftyono, Cahyo; Sulistyani, Ummi Nur Laila; Kurniawan, Muhammad; Dwijaningtyas, Srinata; Hapsari, Roro Retno Sri; Rahayu, Octavia
Unnes Journal of Public Health Vol. 13 No. 2 (2024)
Publisher : Universitas Negeri Semarang (UNNES) in cooperation with the Association of Indonesian Public Health Experts (Ikatan Ahli Kesehatan Masyarakat Indonesia (IAKMI))

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ujph.v13i2.4370

Abstract

Occupational Safety and Health (OSH) protection is the fundamental right of every worker and a legal component that should be implemented in the workplace, including the informal sector. Many informal sectors in Indonesia still have high potential hazards; including those related to the work environment, chemical substance management, inadequate knowledge of employers and workers, non-compliance with OSH standards, and suboptimal prevention of work-related accidents and illnesses. This study aims to analyze the OSH conditions in the informal sector and their influence on occupational accidents in various informal sectors in Indonesia. The study adopts an analytical observational design with a cross-sectional design, using purposive sampling technique. The selected informal sectors include paint workshops, batik, furniture and salons. An interesting finding from this research indicates that the variable influencing occupational accidents in the informal sector is chemical hazards, with a significance value <0.05, i.e., 0.035, and Exp (B) of 64.188, meaning that workplace chemical hazards affect the occurrence of occupational accidents 64.188 times more. Therefore, intensive supervision and guidance regarding the work environment, especially chemical substance management, must be continuously enhanced.
Assessment of Elements Contributing Work Accidents in Construction Projects Rahayu, Octavia; Widowati, Evi
Journal of Health Education Vol. 9 No. 1 (2024)
Publisher : Universitas Negeri Semarang

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Abstract

Background: In 2019, the number of work accidents in the construction sector in Indonesia was still relatively high, with a total of 130,923 accidents. Education is one of the main factors influencing work accidents, with 16 people (61.5%) at risk of experiencing work accidents and 60 (60.6%) accidents due to non-compliance in using Personal Protective Equipment. In this research project, a work accident occurred, but the company still needs to record all of them entirely. This research aims to determine the relationship between education and the use of personal protective equipment with work accidents on the project. Methods: The design of this research is an observational analytic study with a cross-sectional design. The sample taken in the study was 123 workers, who were obtained using the Slovin formula and adding a minimum of 5% of the research sample size. Data analysis in this study used the chi-square test. Results: This study showed that there was a relationship between education and work accidents (p=0.004), and there was a relationship between the use of personal protective equipment such as safety helmets (p=0.000) and safety shoes (p=0.000) with work accidents on the project. Conclusion: Education and compliance in using safety helmets and safety shoes had a significant relationship with work accidents on the project.
Co-Authors Anik Setyo Wahyuningsih Cahyo Seftyono Dwijaningtyas, Srinata Evi Widowati Fakhri Ikhwanul Alifin Hapsari, Roro Retno Sri Muhammad Kurniawan Sulistyani, Ummi Nur Laila Winarno Winarno