About rock installation
Now, what's that all about installing rock ? Sounds pretty cool uh? But is that really interesting?
Okay, we'll tell you more about it. You can also check www.rockdumping.eu
Rock is used to protect pipelines, for seabed preparation to install platforms, or for berms to lay pipelines on.
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Thanks Dick! |
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See how good we think we are.... |
Watch an animation on Youtube |
Fallpipe technique.
The fallipe technique is used to install rock on the seabed on greater water depths varying from 20 to 850 metres.
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Rock dump ROV
At the bottom of the fall pipe a ROV (Remotely Operated Vehicle) is attached. By means of thrusters the ROV can be manoeuvred to follow a pre-defined track and so place the rock with the required quantity and dimensions on the required place.
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Pre-lay rock installation.
Pre-lay is the definition for installing rock prior to laying pipelines, cables or umbilicals. And prior to install platforms or rigs.
 Pre-lay pipeline crossing |
 Freespan correction |
 Seabed preparation |
 Pipeline supports |
Post-lay rock installation.
Post-lay is the definition for installing rock after laying pipelines, cables or umbilicals. And after installing platforms or rigs.
 Post-lay pipeline crossing |
 Trench backfilling |
 Thermal insulation |
 Scour protection |
 Upheaval buckling |
 Ballasting |
 Artificial reefs |
Other applications
 Dropped objects |
 Trawl boards and anchors |