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JET-IT
TRENCHERS
Van Oord has added a third trencher
to its fleet with the Jet-It. This new
1300kW jet trencher has completed a
successful test campaign in the North
Sea and is now working on its first
project.
With its 1300kW installed power, Jet-lt
can efficiently bury inter-array and
export cables in sandy and light clay
substrates down to a depth of 3m.
This vehicle builds on the expertise
gained from the company's two other
units, the Dig-It and Deep Dig-It. While
these have mechanical cutting and
jetting technology, the Jet-lt uses only
jetting technology.
Drawing on the expertise gained over
the years and continuous
improvements, Jet-lt has a really high
jetting efficiency, requires less power,
less fuel and less maintenance.
The trencher is 12.8m long and has a
width of 6.7m. It stands 3.5m high and
weighs 28.5tonnes in air. Its operating
depth is 2 to 200m. It travels across the
seabed on a pair of caterpillar tracks
driven by 30kW hydraulic motors and it
is equipped with two thrusters for
orientation.
The Jet-lt is equipped with two sets of
jetting swords for cable burial at 2m
and at 3m. The two jetting swords and
the aft cable sensor can be deployed
independently. The width between the
swords is remotely adjustable from 450
to 950mm.
Those two independent jetting swords
inject into the seabed water supplied
from the two high pressure, three
JET-IT