Rigging work
12.2 Choosing a suitable site
Operating manual GMK 6400 3 112 993 en 12 - 15
12.07.2013
For example, according to DIN VDE 0105
.
For example as per ASME B 30,5 (USA)
• Erect an obstacle at a minimum safe distance (A) from the electric cable
which will keep the equipment of the truck crane and load/lifting tackle
away from the cable. Account for possible swaying of the load or the
cable
• Cordon off the area around the truck crane at the safe distance (A). That
way the safety area is enlarged in case the cable is touched
• Have banksmen in visual or radio contact with you; check that you are
observing the safe distance (A)
• Only use guide ropes of non-conductive material if the load has to be
guided
If you have touched the electric cable:
• Keep calm
• Do not leave the crane cab
• Tell anyone standing outside not to touch the crane, the load or the lifting
tackle
• Move the main boom out of the danger area
Voltage Safe distance (A)
up to 1 000 V 1 m (3.3 ft)
from 1 000 V to 110 000 V 3 m (9.8 ft)
from 110 000 V to 220 000 V 4 m (13.1 ft)
over 220 000 V to 380 000 V 5 m (16,4 ft)
Voltage Safe distance (A)
up to 50 000 V 3.05 m (10 ft)
from 50 000 V to 200 000 V 4.60 m (15 ft)
over 200 000 V to 350 000 V 6.10 m (20 ft)
from 350 000 V to 500 000 V 7.62 m (25 ft)
over 500 000 V to 750 000 V 10.67 m (35 ft)
from 750 000 V to 1 000 000 V 13.72 m (45 ft)
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