http://en.wikipedia.org/wiki/Saipem_7000
Saipem 7000 is the world's second largest crane vessel - the crane radius of the Saipem 7000 grants a lifting capability of 14,000 tonnes at 42 meters.
Semi-submersible crane and pipelaying (J-lay) DP vessel
Length: 198 m
Breadth: 87 m
Depth to main deck: 45 m
Transit draft: 10.5 m
Operational draft: 27.5 m
Crew facilities:
405 fully AC single or double cabins up to 725 persons.
Helideck:
Suitable for two BV234 LR Chinook helicopters (one parked).
En route for the Bahamas.....