Acts and Regulations

91-191 - General

Section 33.2
Disposition versions

Full text
Exposure of employee to vibration
33.2An employer shall ensure that the exposure of an employee to hand-arm vibration is kept as low as is practical and does not exceed the following exposures:
Exposure of the Hand to Vibration in
either Up and Down, Sideways or
Forward and Back Directions
Total daily exposure
duration*
Values of the dominant**,
frequency-weighted,
root mean square,
component acceleration
which shall not be
exceeded
m/s2
g***
4 hours and less than 8 hours
4
0.40
2 hours and less than 4 hours
6
0.61
1 hour and less than 2 hours
8
0.81
less than one hour
12
1.22
 
* The total time vibration enters the hand per day, whether continuously or intermittently
** Usually one axis of vibration is dominant over the two remaining axes. If one or more vibration axis exceeds the total daily exposure, then the exposure limit has been exceeded.
*** 1 g = 9.81 m/s2
2001-33