GMC Topkick 4X4 | Exploratory study of exposure to whole body vibration in GMC Top Kick ambulances


Exploratory study of exposure to whole body vibration in GMC Top Kick ambulances

Quebec ambulance workers have registered numerous complaints concerning vibration and shocks under specific driving conditions since the introduction of the GMC Top Kick ambulance. This project was undertaken to determine whether vibration exposure at various workstations in the ambulance was correlated to reported problems, and to evaluate the global behaviour of the ambulance’s rear suspension.

antenna-gmc-c6500-topkick-new-2004-2003-2009-2008-2007 ANTENNA gmc C6500 TOPKICK NEW 2004 2003 2009 2008 2007
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antenna-gmc-c6500-topkick-new-2009-2008-2007-2006-2005 ANTENNA gmc C6500 TOPKICK NEW 2009 2008 2007 2006 2005
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The results indicate that vibration exposure is most hazardous to workers seated on the longitudinal and lateral benches in the rear of the vehicle. Exposure at the six workstations evaluated was rated moderately uncomfortable to uncomfortable, with the rating dependent on the workstation’s precise location and the driving context.

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