Fall arrest characteristics of a scissor lift

Journal of Safety Research
James R HarrisBrad Boehler

Abstract

Census of Fatal Occupational Injuries (CFOI) data indicate 306 aerial lift fatalities between 1992-2003. Seventy-eight of these fatalities specifically involved scissor lifts. Members of standards committees have requested that NIOSH conduct research to determine the effects of safety-control practices related to using fall-protection systems for scissor lifts. This research examined the structural and dynamic stability of a scissor lift subjected to fall arrest forces. This was accomplished by conducting drop tests from a scissor lift. Anchorage locations evaluated included manufacturer-supplied anchorage points on the scissor lift platform as well as mid-rail and top-rail locations. Preliminary drop tests determined that a 2400 lb maximum arrest force (MAF) could be generated by dropping 169 lb through a fall height of 36" using Nystron rope as a lanyard. The scissor lift maintained structural and dynamic stability for all drop tests when fully extended and on an incline. Anchoring a fall arrest system to either the mid-rail or top-rail is not a recommended practice by the scissor lift manufacturer. Anchor points are provided on the platform floor of the scissor lift for this purpose. However, our results demonstrate that the...Continue Reading

References

Dec 7, 2007·Journal of Safety Research·Christopher S PanPaul Keane

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Citations

Apr 29, 2014·American Journal of Industrial Medicine·Hester J LipscombBarbara A Silverstein
Sep 17, 2013·American Journal of Industrial Medicine·Hester J LipscombBarbara A Silverstein

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