Self-Elevating Jack-up Platforms

"Caponta II"

Caponta II is a self elevating Jack-up platform. A Jack-up platform is a floating barge fitted with long support legs that can be raised or lowered. The Jack-up is maneuvered (self-propelled or by towing) into location with its legs up and the hull floating on the water. Upon arrival at the work location, the legs are jacked down onto the seafloor. Then "preloading" takes place, where the weight of the barge and additional ballast water are used to drive the legs securely into the seabottom so they will not penetrate further while operations are carried out.

After preloading, the jacking system is used to raise the entire barge above the water to a predetermined height or "air gap", so that wave, tidal and current loading acts only on the relatively slender legs and not on the barge hull.


Specification PrintDownload PDF
Year of Construction   2008
Type of Booster Station   Self-Elevating Jack-Up Platform
Dimensions Length 15.25m
  Width 12.20m
  Molded Depth 1.52m
Spuds Length 27.00m
  Maximum Operational Water Depth 20.00m
  Diameter 914mm
Payload   30t
Maximum Deckload   2t/m2
Moonpools   1.53 x 3.05m dia
Propulsion   None
Jacking System   1 x Hydraulic Set
Electricity   Diesel Generator 13 kVA
Accommodation   Containerised Office / WC

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