Rigging work
12.2 Selecting the suitable site
12 - 12 3 302 819 en Operating manual
GMK3060
13.12.2018
12.2.2 Safe distance from slopes and pits
Erect the crane at a safe distance from slopes and pits. The distance also
depends on the type of ground if the slopes and pits are not supported.
As a rule of thumb
If you are working on Non-cohesive or Filled-in
ground, the safe distance (a) must be twice as
large as the pit depth (b).
a = 2 x b
If you are working on Cohesive, Undisturbed
ground, the safe distance (a) must be as great as
the depth of the pit (b).
a = 1 x b
The safe distance is measured from the base of
the pit (3).
In addition to this the safe distance (d) between
the outrigger pad (1) or substructure (2) and
the edge of the pit (4) must always be more
than 2.00 m (6.6 ft).
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