Embedding
For the last 30 years the laying out and embedding
of submarine cables and pipelines have been the main activities
for JD-Contractor A/S. Accordingly we can offer a profound knowledge
and a leading expertise within this field. When given an assignment,
we use our unique embedding machines, which can quickly, carefully
and safely jet or suck down cables or pipelines into the seabed.
All our systems are developed with respect to the environment and
leave no permanent scars on the seabed.
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| "SUBTRENCH
TWO" makes trenches for new 400 kV Cable:
On our first mission with SUBTRENCH TWO, it trenched a distance
of 6300 m. in the Great Belt.
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| "SUBTRENCH
ONE":
Our first wheel trencher for small cables, also prototype for SUBTRENCH
TWO.
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"SUB-JET TWO":
JD-Contractor A/S rebuilt and improved the cable jetting ROV
System, SUB-JET ONE. It is now known as SUB-JET TWO.
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| "SUB-JET
ONE":
The Cable trencher SUB-JET ONE employs
rubber caterpillar tracks, and is fitted with a hydraulic crane
to remove e.g. large rocks.
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| "LIGHT-JETS":
Our jetting units are
driven over the seabed by water pressure.
A steering device makes sure that the jetting units do not move
forward before the cable or the pipeline is down at the right depth.
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"SUCTION-UNITS":
Our suction units are
used if the trenching depth has to be deeper than 2 m or if the
seabed is very gravely and/or consists of clay.
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JD-Contractor A/S has chosen to use a system for the embedding
of cables which we, after analysis, have found
to be the most environmentally friendly and afterwards offers
the highest level of protection for the cable.
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