Pipe-layer Barge "CASTORO DUE"
Rearrangement of the firing line and construction of a helicopter deck above the working area.
Rearrangement of the diesel/generator compartment and relevant equipment.

Pipe-layer Barge “CASTORO CINQUE”
New accommodation arrangement
New superstructures

Semi-submersible Pipe-layer "CASTORO SEI"
Upgrading/extension of firing line and repositioning of all machinery and equipment allowing the arrangement of the new double-joint system.
Elaboration for additional works covering structures and mechanical equipment.
Survey of modification works at Verolme Bootlek Shipyard in Rotterdam (Holland).

Derrick Lay Vessel "CASTORO OTTO"
Elaboration of design for the double-joint system on two decks above the firingline compartment.
Rearrangement of the helicopter deck.
Feasibility study for the arrangement of a 5000 tons revolving crane (at present 2400 tons lifting capacity) including computations of trim and stability and local strength.
Rearrangement of mooring system.
Investigation on speed and propulsion power parameters and arrangement of Schottel propulsion units to increase vessel speed.

M/V “ISRAFIL GUSEYNOV”
Mooring system upgrading and other conversions for Caspian Sea project.

M/V “MAXITA”
Conversion from Transport Vessel into Pipe-Lay DP Vessel
Theoretical and experimental test in order to improve seakeeping behaviour (Krylov Research and Shipbuilding Institute of St. Petersburg)

Various projects
Preparation of an EDP programme calculating the ballasting procedure to control trim and stability versus variable lifting loads.
Operating manuals and instruction books.