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Y. Denny Ardyanto Wahyudiono
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Health Professions

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EFFORTS IN CONTROLLING COAL DUST HAZARDS IN THE STOCKPILE AREA OF A STEAM POWER PLANT (PLTU) Alifiah Rizky Rosydah; Y. Denny Ardyanto Wahyudiono; Ahmad Imaduddin; Dani Nasirul Haqi; Meirina Ernawati
Journal of Vocational Health Studies Vol. 6 No. 2 (2022): November 2022 | JOURNAL OF VOCATIONAL HEALTH STUDIES
Publisher : Faculty of Vocational Studies, Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jvhs.V6.I2.2022.127-133

Abstract

Background: The movement of coal or other activities in the stockpile area of a steam power plant can create a coal dust hazard or commonly referred to as respirable dust. The smaller the particle size, the more harmful effects it can have on human health, such as bronchitis, decreased lung function, Chronic Obstructive Pulmonary Disease (COPD), Coal Worker's Pneumoconiosis (CWP), and other respiratory diseases. Purpose: To study the chemical hazards of the working environment of coal dust and the control efforts conducted in the stockpile area of a steam power plant company. Method: This research was descriptive observational with a cross-sectional study. The data were comprised of primary data collected from interviews and observations, and secondary data such as environmental measurement report and documentations owned by company. Result: The results of the measurement of coal dust hazard in the stockpile are were 0.007 mg/m3 and 0.063 mg/m3 for personal dust measurements. Some of the coal-dust-hazard control efforts performed by PT. POMI included the installation of a spray gun, a dust suppression system, reforestation, and ventilation setting. Further, OHS induction was conducted, together with safety talk, working hour regulations, toolbox meeting, training on the use of PPE, Medical Check Up (MCU), person authorization, preventive maintenance, and the use of PPE by workers. Conclusion: The measurement of the coal dust hazard in the stockpile area is below the threshold value which is 3 mg/m3 for respirable particles and 10 mg/m3 for inhalable particles. PT. POMI has done several preventive and control efforts towards coal dust hazard, and there were no health problems found in workers.
NOISE MAPPING IN THE TURBINE AREA AT PT POMI Ismara Nareswari; Ahmad Imaduddin; Y. Denny Ardyanto Wahyudiono
Journal of Vocational Health Studies Vol. 6 No. 3 (2023): March 2023 | JOURNAL OF VOCATIONAL HEALTH STUDIES
Publisher : Faculty of Vocational Studies, Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jvhs.V6.I3.2023.209-214

Abstract

Background: One of the problems faced by industrial companies that use large machines and work equipment is noise. Steam power plant companies will certainly face noise problems in their work areas. PT. Paiton Operation and Maintenance Indonesia is one of the private power generation companies in East Java which manages three units of PLTU (Steam-Electric Power Plant) which in the process operates using a turbo generator. In addition, this company uses machines and equipment that produce noise that can potentially interfere with the health of the workers. Purpose: To map the noise with Golden Surfer software and to analyze the control efforts that had been carried out. Method: This research used an observational method and the analysis was done using Golden Surfer software. Result: The results of this study indicated that in general the noise that occurred in the turbine area exceeded the threshold value which was >85 dB. Furthermore, the results of the mapping showed the distribution pattern of noise levels that occurred in the turbine area starting from the first floor to the fifth floor. Noise control efforts were also carried out by the company, including noise measurements, scheduled preventive maintenance for machine repairs, safety sign, audiometric checks, work procedures, and PPE. Conclusion: In addition to this noise mapping, noise control efforts that have been carried out by the company will reduce the risk of health problems for workers. Thus, noise mapping can be used as a basic reference for companies to be able to determine additional noise control as an effort to prevent and control noise.
Co-Authors Ahmad Imaduddin Alifiah Rizky Rosydah Dani Nasirul Haqi Ernawati, Meirina Ismara Nareswari