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Evaluation of fall hazards associated with two construction elevated devices.

Authors
Chiou-S; Pan-CS; Powers-J; Ronaghi-M; Cantis-D
Source
Proceedings of the International Conference on Slips, Trips, and Falls 2007: From Research to Practice, Hopkinton, Massachusetts, August 23 - 24, 2007. Hopkinton, MA: IEA Press, 2007 Aug; :35-39
Link
NIOSHTIC No.
20033053
Abstract
This study identified fall risk factors for two construction elevated devices scissor lifts and stilts. For scissor lifts, side forces that may lead to possible lift tipovers and falls were evaluated while participants performing simulated tasks on the lift at different elevations. Significantly greater lift accelerations were found when subjects performed tasks in the direction parallel with the lift at either 1.4 or 1.8 meters of height. For stilts, kinematics data were collected from construction workers while walking with stilts at 0.61 or 1.02 meter height settings. The increase in step width and a "lurching style" walking pattern with the foot swing out laterally suggests a wider base of support was needed to improve stability on stilts. The decrease in toe clearances on stilts increases tripping risks. This study suggested that workers may need to avoid excessive pushing or pulling in the direction parallel with the length of the lift to minimize lift instability. For workers who use stilts, it is imperative to ensure that floors are free of obstacles before putting on stilts.
Keywords
Injury-prevention; Accident-prevention; Construction-equipment; Construction-industry
Contact
Division of Safety Research, National Institute for Occupational Safety and Health, Morgantown, West Virginia, 26505 USA
Publication Date
20070823
Document Type
Conference/Symposia Proceedings
Fiscal Year
2007
NTIS Accession No.
NTIS Price
ISBN No.
0976814374
NIOSH Division
DSR
Source Name
Proceedings of the International Conference on Slips, Trips, and Falls 2007: From Research to Practice
State
WV; MA
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