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Published in:
2021 | OriginalPaper | Chapter
Postural Evaluation of Construction Labourers Engaged in Excavation Work Using Newly Developed NERPA Method and Its Validation Through REBA and WERA Methods
Authors : Manoj T. Gajbhiye, Debamalya Banerjee, Saurav Nandi
Published in: Advances in Mechanical Engineering
Publisher: Springer Singapore
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Abstract
Foundation is a preliminary requirement of construction work which is done by excavating soil. The excavation is the process of removing soil from the surface of the earth to form a cavity in the ground. In India, this rigorous and highly diligent task is being done manually by men and women both. These labourers suffer from work-related musculoskeletal disorders (WRMSD) due to extreme physical exertion, excessive force, lifting heavy load and working in awkward posture throughout the day. This study has been carried out to evaluate the levels of pain/discomfort among the excavation labourers. The exposure assessment has been carried out by NERPA, WERA and REBA methods. The labourers’ complaints about pain/discomfort in body parts and risk level score obtained from three methods are found similar. The compatibility of NERPA methods’ worksheet compares with WERA and REBA. Result shows that NERPA worksheet can be implemented for assessment of construction workers postures.