Self-Propelled Jack-Up Platforms


Caponta is a self propelled 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 Platform is maneuvered (self-propelled) 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, this is where the weight of the barge and additional ballast water are used to drive the legs securely into the seabottom so there will not be any instability issues while operations are carried out.

After preloading, the jack-up 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   1973 e 2008
Type of Booster Station   Self-Propelled Jack-Up Platform
Dimensions Length 23.45m
  Width 13.00m
  Molded Depth 2.40m
Spuds Length 32.50m
  Maximum Operational Water Depth 23.00m
  Diameter 914m
Payload   110t
Maximum Deckload   4t/m2
Moonpools   3 x 700mm dia
Propulsion   1 Aquamaster Unit AT450 / CAT 3408 - 400 bhp
Jacking System   2 x Hydraulic Sets - 56 bhp each
Electricity   Diesel Generator 25 kVA
Accommodation   Control Cabin Containerised Office / WC

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