This research aimed to evaluate the effects of ergonomic intervention on the musculoskeletal complaints and fatigue experienced by workers of the traditional metal casting industry that manually pour molten metal into molds. The workers' physical complaints are typically in the form of musculoskeletal complaints, which include (1) an activity aspect, (2) a physical aspect, and (3) a motivational aspect. The method used in this research was stratified random sampling. The subjects (n ¼ 127) were divided into three groups, namely, the process cement department (PCD) group, the loam department (LD) group, and the black sand department (BSD) group. The evaluation was carried out using questionnaires based on musculoskeletal complaints and fatigue. Meanwhile, an assessment of musculoskeletal complaints and fatigue was conducted one month before the ergonomic intervention, and then during follow-ups at one and eight months after the ergonomic intervention. The results showed that the average reduction in musculoskeletal complaints and fatigue experienced by the workers in the LD group was lower than that of the workers in the PCD and BSD groups at one and eight months after the ergonomic intervention. The positive effects of the ergonomic intervention on musculoskeletal complaints were evident in terms of the back, waist, left and right thighs, right knee, right ankle, and left foot (p < 0.05). The positive effects of the ergonomic intervention on the level of activity-based fatigue were felt in the body and legs, and the feeling of wanting to lie down decreased. The motivational fatigue experienced by the workers manifested as difficulty in thinking, concentrating, and controlling behavior, while the physical fatigue experienced by the workers was in the form of headaches, back pain, excessive thirst, and feeling unwell (p < 0.05). It can be concluded that ergonomic intervention can reduce both musculoskeletal complaints and fatigue, especially by conducting a morning briefing, using ergonomic ladles when pouring molten metal into molds, and consuming nutritious food during break times.
Metal casting industry including is an industry which produce high dust pollution (fly ash). Improvements in the form of ergonomic interventions have been carried out by many companies, but do not guarantee all parameters run well. The total indoor suspended dust (TSP) measurement results are not enough to guarantee healthy working conditions. Additional assessment of workers' inhaled dust is needed to change pollution control and work improvement to ergonomics. The design of this study is Cross Sectional Study. Research subjects numbered 84 people. All samples met the inclusion criteria. Measurement results of Characteristic of research subject, Working Environment Conditions, Exposition of dust inhaled by workers, Total Indoor Suspended Dust of the Company (p > 0.05). Found critical hours of workers exposed to dust (fly ash), starting from 4 h after working (Department of Process Cement, Department of Black Sand) and 2 h after working for the Department of Loam. Critical hours exposed to dust (fly ash) used as the basis for company management and regulators to take new policies in controlling fly ash pollution and ergonomic interventions. Ergonomic interventions can be carried out by activating the dust collector at critical hours, applying active resting hours at critical hours and conditioning workers to breathe fresh air. The impact of this ergonomic intervention is a decrease in musculoskeletal complaints by 25.27%, reduction in boredom 25.01%, and an increase in job satisfaction 38.46%.
ABSTRAK I. PENDAHULUAN A. Latar BelakangPada kenyataannya dalam dunia industri, perlindungan terhadap tenaga kerja masih jauh dari yang diharapkan karena masih banyak terjadi kecelakaan kerja serta potensi bahaya kerja yang dapat membahayakan tenaga kerja. Terkait masalah perlindungan tenaga kerja dari kecelakaan kerja, perusahaan menerapkan sistem manajeman yang dapat melindungi tenaga kerja dari kecelakaan kerja dan menghindari kerugian yang besar terhadap perusahaannya. Salah satu sistem manajeman yang harus diterapkan adalah sistem manajeman keselamatan dan kesehatan kerja (SMK3).PT.LTX adalah perusahaan yang memproduksi tinplate. Produk yang berkualitas tinggi tersebut tidak terlepas dari kualitas SDM dan faktor lingkungan kerja yang aman serta nyaman untuk para pekerja dalam bekerja, perusahaan memperhatikan tingkat kesejahteraan dan perlindungan kepada tenaga kerja agar produktivitas tenaga kerja meningkat. Fluids utility merupakan unit yang menyadiakan sarana dan prasarana proses, diantaranya: air untuk proses steam, dan udara tekan yang menjadi faktor utama dalam menunjang proses produksi perusahaan. Fluids utility terbagi menjadi 7 unit sistem yang membantu menyediakan sarana dan prasarana proses produksi. Setiap unit sistem tersebut, terdiri dari beberapa mesin yang ditangani oleh beberapa operator. Lingkungan kerja fluids utility yang merupakan penyedia kebutuhan proses produksi dan dilakukan oleh operator pada setiap unitnya. Potensi yang ditimbulkan pada divisi ini seperti suara bising dari mesin, temperatur ruang panas yang diakibatkan dari proses pada mesin-mesin yang dioperasikan, uap zat kimia dan sebagainya. Berkaitan dengan potensi bahaya yang dapat terjadi, alat pelindung diri wajib dipakai oleh operator seperti sepatu safety, masker, sumbat telinga atau ear muff, helmet dan sarung tangan yang
Ladel-kowi merupakan alat transportasi manual baja cair suhu 900-12000C. Ditemukan sikap kerja yang tidak alamiah saat mengoperasikan Ladle-kowi, terdapat gerakan kerja tidak nyaman yang disebabkan desain alat bantu kerja tidak memperhatikan kaidah ergonomi, sehingga timbul kelelahan berlebih. Pajanan suhu lingkungan yang tinggi berpengaruh terhadap aktivitas kerja, motivasi dan kondisi fisik karyawan. Tujuan penelitian ini adalah redesain Ladle-kowi berbasis intervensi partisipatori ergonomi untuk menurunkan kelelahan pekerja di industri pengecoran logam. Penelitian ini merupakan penelitian eksperimental treatment by subject design. Subjek dipilih secara random sampling. Sampel berjumlah 62 orang yang telah memenuhi kriteria inklusi dan eksklusi. RedesainLadle-Kowi berdasarkan data antropometri pekerja setempat. Skor kelelahan didata dengan 30 items of rating scale yang dikeluarkan oleh Japan Associatin of Industrial an Health. Hasil penelitian menunjukkan bahwa terdapat penurunan secara bermakna antara rerata skor kelelahan subjek pada P1 dengan P2 (nilai p<0,05). Rerata skor kelelahan sebelum intervensi partisipatori ergonomi 112,61±3,84 dan setelah intervensi partisipatori ergonomi 89,07±1,70 atau turun sebesar 12,91%. Penurunan kelelahan pada aspek aktivitas 11,55%, motivasi 10,69%, fisik 16,36%, sedangkan skor penurunan kelelahan secara beturut-turut berdasarkan hari kerja adalah Senin 12,26%, Selasa 11,39%, Rabu 13,71% dan Kamis 14,23%.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
customersupport@researchsolutions.com
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.