This paper summarises the results of a survey of hand-transmitted vibration in shipbuilding and ship repair. Measurements of hand transmitted vibration exposure were made at six shipyards in the UK between October 1993 and December 1994. High daily vibration exposures can occur as a result of using impulsive tools such as scaling and chipping hammers. These types of tools may produce frequency weighted acceleration magnitudes in excess of 20 m/s2. Tools which produce accelerations of this magnitude can only be used for a few minutes before an operator's daily vibration eposure exceeds the acceptable limits as indicated in current guidance on hand-transmitted vibration. Tools such as angle grinders and sanders can be used for 2 - 3 hours before the operator's daily vibration exposure is likely to exceed the same limits. Based on the results of this survey, the consequences of the proposed Physical Agents Directive for the shipbuilding and repair industry would be as follows: Almost all activities involving powered hand tools would require assessment. Approximately half of the tasks would require some control over exposure time to keep daily exposure below 5 m/s2. Scaling and chipping hammers, scabblers and large needle guns would require labelling and declairing to the authority responsible.
Hand-transmitted vibration exposure in shipbuilding and ship repair
Auf die Hände übertragene Vibrationen beim Schiffsbau und Schiffsreparatur
1996
6 Seiten, 2 Bilder, 1 Tabelle, 2 Quellen
Aufsatz (Konferenz)
Englisch
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