40m Jack-up Barge

The unit to be designed for workover and well service at 45.7m sea water depth, with one crawler crane for offshore service. 1 General Service

This unit to be designed for workover and well service under the condition of 45.7m(150ft) sea water depth.

The deck area of the unit to be about 650 m2 which can carry a crawler cranes for offshore service, and the unit also can be also applied as a living support vessel.

2 Design Conditions

The following table presents the upper range of environmental conditions to be used for the structural strength evaluations:

Environmental criteria	Value
Water Depth [m]	45.0
50-yr Return Significant Wave Height [m]	2.5
Wind [1-minute averaged] [m/s]	18
Airgap [m]	10
Penetration [m]	3.0
Minimum Design Temperature	15~40°C

 

3 Ship Type

This unit is a rectangular barge with four cylindrical legs. The unit to be equipped with a system of four diesel driven fully-rotator sprinkler thruster to allow self-propulsion for the transition in the field and positioning without outside assistance, which is with joystick to control.

The speed to be 6 kn.

4 Class

The unit to be built under the surveys and according to the rules and regulations of ABS with the symbols: A1, self-elevating unit, PAS, DPS-0

5 Main Technical Data

M/E                                                                                       258 kW×4

Main Generator                                                                       250 kW×2(400V 50Hz)

6 Leg and jacking system particulars

Leg Length                                                       68 m

Leg Configuration                                    column

Leg Diameter                                                                                     2.1 m

Jacking System                                hydraulic engaged pin system Type

Jacking Speed                                             0.5m/min

7 Tank Capacity

Ballast tank                    1200m3

Fuel oil tank                       100m3

Fresh water tank                    80m3

Dirty water tank                    80m3

40m Jack-up Barge