Overhead drilling: comparing three bases for aligning a drilling jig to vertical.

Journal of Safety Research
David M RempelIra Janowitz

Abstract

Drilling overhead into concrete or metal ceilings is a strenuous task done by construction workers to hang ductwork, piping, and electrical equipment. The task is associated with upper body pain and musculoskeletal disorders. Previously, we described a field usability evaluation of a foot lever and inverted drill press intervention devices that were compared to the usual method for overhead drilling. Both interventions were rated as inferior to the usual method based on poor setup time and mobility. Three new interventions, which differed on the design used for aligning the drilling column to vertical, were compared to the usual method for overhead drilling by commercial construction workers (n=16). The usual method was associated with the highest levels of regional body fatigue and the poorest usability ratings when compared to the three interventions. Overall, the 'Collar Base' intervention design received the best usability ratings. Intervention designs developed for overhead drilling may reduce shoulder fatigue and prevent subsequent musculoskeletal disorders. These designs may also be useful for other overhead work such as lifting and supporting materials (e.g., piping, ducts) that are installed near the ceiling. Workplace...Continue Reading

References

Jun 1, 1995·American Journal of Industrial Medicine·L S WelchJ Kellogg
Nov 27, 2009·Ergonomics·David RempelIra Janowitz
Jan 23, 2010·Journal of Occupational and Environmental Hygiene·David RempelIra Janowitz

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Citations

May 6, 2015·American Journal of Industrial Medicine·Laura S WelchEileen Betit
Sep 4, 2014·Ergonomics·Ehsan RashediMichael J Agnew
May 27, 2015·American Journal of Industrial Medicine·Robin BakerEileen Betit
Oct 28, 2018·International Journal of Environmental Research and Public Health·Susan E PetersJack T Dennerlein

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