300ft Liftboat

1. GENERAL SERVICE

1) The "300ft SEU" is jack-up self-elevating unit designed and constructed for well service work and construction/maintenance for offshore oilfield;

2) The unit design is also considered for the wind turbine installation and repairing;

3) The unit to have a deck area of about 970m2 and be able to be used as a living support vessel with living module;

4) One crane to be installed around the forward left leg and have max. 190t @ 10 - 43m lifting capacity for heavy lifts/crane support, and another Aux. crane with capacity of 30t @ 37m.

2. GENERAL DESCRIPTION

The vessel to be classed in ABS, with POB of 150p.

Hull Particulars

Length overall 49.20 m (161.4ft)

Length molded 46.80 m (153.5ft)

Breath molded 42.67m(140ft)

Depth molded 6.80 m (22.3ft)

Design draught 3.80 m (11.8ft)

Design speed 6.0 kn

Max.Jacking variable load 1200 t

Deck load 800 t

Service depth 5-50m(16.4-164ft)

Air gap 20m( 65.6ft)

Deck stress 4.8 t/m²

Main deck area >970 m²

Leg, Spud can and jacking system particulars

Leg configuration cylindrical with spline

Leg diameter 2.8 m(9.2ft)

Leg length (including spud can) 91.44m(300ft)

Spud can dimension 11.7 m×11.7 m(38.4ftx38.4ft)

Jacking system hydraulic

Jacking speed (under load) 1.22 m/min(4ft/min)

3. CONSTRUCTION PROGRESS (Until Dec, 2010)

1) Drawing Approval: the detailed design drawings have been approved by ABS Class;

2) The vessel to be delivered in 1st quarter of 2012;