RISK ASSESSMENT
QPP147 Section 2 Rev. March 07
B18 Impact from falling objects
during an earthquake.
B18 If there is an earthquake when the crane is operating, the vibrations feel greater and more alarming from
the elevated position of the operator’s seat. Stop work immediately and respond to ground deformation or
falling objects as follows:
• Lower the load to a safe place.
• Slew away from the danger of falling or toppling objects and then lower the boom.
• Stop the engine.
• To avoid being thrown out of the cab (by the vibrations caused by the earthquake) fix yourself in
position with your hands and feet until the earthquake stops. If the door is open close it and secure it.
To resume work after the earthquake has ceased and there is no likelihood of further tremors check the
condition of ground. Look for abnormalities in any part of the crane body, check the weigh gauge, the
arrangement of the slings and any other abnormal condition.
B19 Cabin noise when operating the
crane. (An operator subjected to
high noise levels over a
prolonged period of time can
become temporarily or
permanently deaf)
B22 Refer to the Db ratings on the noise certificate in the Operator’s Manual, and Occupational Health and
Safety guidelines (for noise levels and the time an operator can be safely subjected to these noise levels
without adversely affecting his or her health) in your state or country. If the noise levels and period of
exposure are high use appropriate hearing protection.
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