Manual Handling Manual Handling Operations Regulations 1992 ...

Health and Safety
Executive
13 The guideline figures for lifting and lowering assume:
(a)
(b)
(c)
the load is easy to grasp with both hands;
the operation takes place in reasonable working conditions; and
the handler is in a stable body position.
14 If these assumptions are not valid, it will be necessary to make a full
assessment as in Appendix 4.
Frequent lifting and lowering
15 The basic guideline figures for lifting and lowering in Figure 23 are for relatively
infrequent operations – up to approximately 30 operations per hour or one lift
every two minutes. The guideline figures will have to be reduced if the operation is
repeated more often. As a rough guide:
Where operations are repeated
Once or twice per minute 30%
Five to eight times per minute 50%
More than 12 times per minute 80%
Figures should be reduced by
16 Even if the above conditions are satisfied, a more detailed risk assessment
should be made where:
(a)
(b)
(c)
the worker does not control the pace of work;
pauses for rest are inadequate or there is no change of activity which provides
an opportunity to use different muscles; or
the handler must support the load for any length of time.
Twisting
Shoulder
Shoulder
90˚ twist
Heels
45˚ twist
Figure 24 Assessing twist
Manual handling Page 59 of 90