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All Journal Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Jurnal Optimalisasi Journal of Engineering and Technological Sciences
Listiani Nurul Huda
universitas sumatera utara
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences

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THE EFFECT OF IMPROVEMENT ON WORK FACILITY OF COCO BRISTLE PROCESS TO OCCUPATIONAL HEALTH AND SAFETY Huda, Listiani Nurul; Nasution, Indra
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 3 No. 2 (2018): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1164.635 KB) | DOI: 10.32734/abdimastalenta.v3i2.4162

Abstract

One of improvements on health and safety can be carried out by the improvement on work facilities used by workers during the production process. This research was conducted in one of manufacture of coco bristel which the machines are not designed ergonomically. Work posture of the worker are in standing position during the processing of coco bristle and the body position is bending that can causes fatigue at the back and spine. On the other hand, the coco bristle machine is not ergonomically designed to maintain security as workers shrink the outer shell of coir. Pulling velocity of coconut husk by spinning pliers may result in hand drawn towards the nail. Therefore, this research is needed to carried out in order to re-design the coco bristel machine so that workers can work more healthily and safely. The method used in this research is work posture asessment by Rapid Entire Body Assessment (REBA) and anthropometric concept to re-design coco bristle machine. The results show that the actual machine design gives a REBA score of 6 indicating that mprovement of work posture is in need of improvement. The improvement is carried out by redesign of the machine through consideration to the most dominant body dimension influenced the work of making coco bristel. These dimensions are the height of the elbows at standing position, hand reach, and hand grip. This improved machine design resulted in a smaller REBA score by two points than before which means that the spinal position tends to be in a more healthier position than before. As for the safety of using the machine, hand protection is added based on the dimension of hand grip. The results of this study indicate that there is a strong relationship between the machine design and size dimensions of the worker's body with the level of security and health in the work.
Practical Precooling Methods for Alleviating Heat Strain during Occupational Heat Exposure Wijayanto, Titis; Huda, Listiani Nurul; Rizalmi, Sigit Rahmat
Journal of Engineering and Technological Sciences Vol. 57 No. 2 (2025): Vol. 57 No. 2 (2025): April
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2025.57.2.3

Abstract

Working in hot and humid environments poses significant challenges to thermoregulation and potentially affects performance and health. Strategies for mitigating heat stress are critical for workers exposed to high thermal loads. This study investigated practical cooling strategies, that is, phase-change vest (PCV) cooling and crushed ice (ICE) ingestion, before a physical activity in a hot and humid environment to alleviate heat strain. Two experiments were conducted to evaluate the efficacy of the cooling methods: the first experiment involved participants wearing a PCV for precooling, and the second experiment involved participants consuming an ICE (7.5 g/kg body mass) before exercising under the same conditions. Physiological responses including tympanic temperature, skin temperature, and heart rate, along with perceptual measures such as thermal sensation and perceived exertion, were assessed. The results showed that both the PCV and ICE interventions effectively reduced heat strain, although they had different effects. PCV cooling effectively reduces physiological and perceptual strains immediately after physical exertion; however, this effect does not last in the recovery phase. In contrast, ICE ingestion reliably lessens physiological and perceptual strains throughout the activity and recovery periods, substantially impacting both physical strain and the perception of effort. These findings highlight the significance of ICE ingestion as an effective strategy for enhancing worker health and safety in demanding thermal environments.
Analisis Risiko Bahaya Ergonomi pada Lingkungan Kerja Unit Laundry Rumah Sakit dengan Metode Hazard and Operability Study (HAZOP) Lestari, Suci Ayu; Huda, Listiani Nurul; Ginting, Rosnani; Safitriyawi, Roja; Ulfah, Tya
Jurnal Optimalisasi Vol 11, No 1 (2025): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v11i1.11918

Abstract

Hospitals as health and social organization bodies provide treatment, hospitalization, outpatient care, and various other activities carried out by workers both medical and non-medical, where interactions that occur dynamically and continuously have the potential for very risky hazards. This study aims to identify potential ergonomic hazards that exist in every work activity in the hospital laundry unit, especially those that can affect the comfort, safety and health of laundry workers. The identification of potential work hazards is conducted using the Hazard and Operability Study (HAZOP) method to evaluate ergonomic hazard risks. This evaluation is used to determine handling priorities based on the severity and likelihood of the occurrence of ergonomic hazards in hospital laundry. The results of the risk analysis found that the level of hazard risk in the hospital laundry unit is at a high level in the dirty linen collection section with the risk of exposure to contaminated linen with a total score of 15. Next in the weighing, separating and calculating section which comes from lighting with a total score of 12, awkward posture when lifting wet linen with a total score of 12, and finally in the drying section caused by machine noise with a total score of 12.
THE EFFECT OF IMPROVEMENT ON WORK FACILITY OF COCO BRISTLE PROCESS TO OCCUPATIONAL HEALTH AND SAFETY Huda, Listiani Nurul; Nasution, Indra
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 3 No. 2 (2018): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1164.635 KB) | DOI: 10.32734/abdimastalenta.v3i2.4162

Abstract

One of improvements on health and safety can be carried out by the improvement on work facilities used by workers during the production process. This research was conducted in one of manufacture of coco bristel which the machines are not designed ergonomically. Work posture of the worker are in standing position during the processing of coco bristle and the body position is bending that can causes fatigue at the back and spine. On the other hand, the coco bristle machine is not ergonomically designed to maintain security as workers shrink the outer shell of coir. Pulling velocity of coconut husk by spinning pliers may result in hand drawn towards the nail. Therefore, this research is needed to carried out in order to re-design the coco bristel machine so that workers can work more healthily and safely. The method used in this research is work posture asessment by Rapid Entire Body Assessment (REBA) and anthropometric concept to re-design coco bristle machine. The results show that the actual machine design gives a REBA score of 6 indicating that mprovement of work posture is in need of improvement. The improvement is carried out by redesign of the machine through consideration to the most dominant body dimension influenced the work of making coco bristel. These dimensions are the height of the elbows at standing position, hand reach, and hand grip. This improved machine design resulted in a smaller REBA score by two points than before which means that the spinal position tends to be in a more healthier position than before. As for the safety of using the machine, hand protection is added based on the dimension of hand grip. The results of this study indicate that there is a strong relationship between the machine design and size dimensions of the worker's body with the level of security and health in the work.
Co-Authors Kristoffel Colbert Pandiangan Lestari, Suci Ayu Nasution, Indra Rosnani Ginting Safitriyawi, Roja Sigit Rahmat Rizalmi Titis Wijayanto Ulfah, Tya