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In the marine
insurance industry, one major insurer paid out a total of £2
million in 2002 to cover the damage caused to ships by quay cranes
during loading and unloading operations. The majority of such claims
were in Europe.
Ship's navigational
sensors are more susceptible to damage than any other components
as they are prominently located, high up on the vessel and include
radar and communication antennae.
Navtech's radar is mounted
on the underside of the crane boom and will detect any obstacles
that appear in the path of the crane as it travels along the quay.
The range measurement can be used to warn and then stop the crane
before it collides with the ship's antennae. Navtech's radar will
give complete coverage,
detecting even the smallest whip antenna in the path of the boom.
This photograph
shows the mounting position of the radar on the underside of the
boom and the coverage that can be expected.
Navtech's
radar also measures the speed of the crane by measuring the distance
to the obstacle in the cranes path. Based on a time to impact calculation,
the radar activates a deceleration mode as it approaches the obstacle,
thus enabling the crane to stop before point of collision. This
allows the crane to maintain optimum performance without unnecessary
interruption.
Please see links
to the Anti-Collision
N100AC-Radar and
The Case Study
of Avonmouth
Container Terminal
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