RISK ASSESSMENT
QPP147 Section 1 Rev. March 07
B12. The crane could tip over due to:
a. Strong windy conditions.
Loads with large volumes
or surface areas have larger
wind forces acting on them.
The wind forces and the
loads from the suspended
objects act on the crane and
could cause the crane to tip
over.
b. Poor ground conditions.
c. Rapid slewing.
B12.
a. Stop work in strong windy conditions. If the wind has a gust speed of 10m/s or more,
retract the boom, turn off the crane and get out of the machine. Resume work when the
gust speed is below 10m/s.
b. Check that the ground conditions are stable. Do not operate the crane on unstable
ground.
c. Slew the crane slowly and smoothly.
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