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Assessing the ergonomic hazards for pile drivers.

Priyadarshini Sengupta Dasgupta¹, Scott Fulmer, Xialou Jing

¹Department of Work Environment, University of Massachusetts Lowell, Lowell, MA 01854, USA. priyadarshini_dasgupta@student.uml.edu

Work (Reading, Mass.)

|September 8, 2012

Summary

Pile drivers face significant ergonomic risks, particularly to the back and legs, due to non-neutral postures during operations like lagging. Unstable ground conditions exacerbate these risks, contributing to potential musculoskeletal injuries.

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Area of Science:

Occupational Health
Ergonomics
Construction Safety

Background:

Musculoskeletal injuries (MSIs) are a significant concern in the construction industry.
Pile driving involves physically demanding tasks with potential for high ergonomic exposures.

Purpose of the Study:

To assess physical and ergonomic exposures among pile drivers.
To identify tasks and conditions contributing to musculoskeletal injury risk.

Main Methods:

Developed a hierarchical taxonomy of pile driving operations and tasks.
Utilized the Posture, Activity, Tools, and Handling (PATH) method to characterize exposures.
Collected data on trunk, leg, and arm postures during 8,301 observations of 29 pile drivers.

Main Results:

The lagging operation showed the highest prevalence of non-neutral trunk (46.8%) and leg (41.0%) postures.
Working on unstable ground was common in lagging (91.0%), bracing (99.7%), and slurry wall (94.0%) operations.
Awkward arm postures were less frequent than those of the trunk and legs.

Conclusions:

Pile drivers experience significant ergonomic exposures, particularly affecting the back and legs.
Unstable ground conditions represent a primary risk factor for musculoskeletal injuries in this occupation.