Rigging work
11.2 Selecting the suitable site
11 - 12 3 302 633 en Operating Instructions GMK5250L
27.09.2017
11.2.2 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 safety 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 pads (1) or support
material (2) and the pit border (4) must always
be greater than 2.00 m (6.6 ft).
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