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Ergonomics Assessment of Hose-rolling Posture and Simulation-based Validation of An Assistive Tools for Hose Roller
Salwa Mahmood1 , Ahmad Zahin Zainal Rashid2 , Nurul Ainina Nadhirah Tajurahim2 , Helmy Mustafa El Bakri2 , Ismail Abdul Rahman3 , Noorul Azreen Azis4
1- Universiti Tun Hussein Onn Malaysia , msalwa@uthm.edu.my
2- Universiti Tun Hussein Onn Malaysia
3- National Institute of Occupational Safety and Health (NIOSH)
4- National Institute of Occupational Safety and Health
Abstract:   (20 Views)
This study addresses ergonomic risks faced by firefighters during hose rolling activities, a physically demanding task that can lead to musculoskeletal issues. Building on a previous project conducted at the Bukit Gambir Fire and Rescue Station, this research expands the analysis by comparing four different hose rolling postures: roll and coil, dutch roll, flaking, and figure of eight. The Rapid Entire Body Assessment (REBA) method was used to evaluate the ergonomic risk levels of each posture. To further enhance firefighter safety, a preventive strategy tool was proposed and developed. The tool’s design was tested using Finite Element Analysis (FEA) in SolidWorks to assess the structural performance of its alloy steel hook and shaft under load. Simulation results showed stress levels below the material’s yield strength, and factor of safety (FOS) analysis confirmed the tool’s structural reliability. This project takes a holistic approach to understanding and mitigating ergonomic risks in firefighting. This study found that the structural of an assistive tool is safe and confirming the robustness and reliability of both the hook and alloy steel shaft designs. By combining ergonomic assessment with engineering simulation, it not only identifies high-risk postures but also provides a practical solution to reduce strain and prevent injury. Ultimately, the project contributes to improving the safety and well-being of firefighters, supporting a safer work environment for those who risk their lives to protect others.
 
Keywords: Ergonomic risk assessment (ERA), Rapid entire body assessment (REBA), Finite element analysis (FEA)
     
Type of Study: Special Issue | Subject: Human Factors Engineering/Ergonomics
Received: 2025/03/12 | Accepted: 2025/07/16
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