SUB Middleback

Australia and Asia

Middleback is a non-propelled self-unloading barge (SUB) that is paired with the floating-offshore transfer barge (FOTB) Spencer Gulf. The barge unloads through a single continuous hopper-shaped hold fitted with a longitudinal conveyor belt and unloading boom. This vessel currently operates on the Australian Coast.

Middleback is wholly owned and operated by CSL.

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Technical specifications
Classification LR Barge. Self-unloading. Emergency anchor equipment. Maximum 2.2 m significant wave height service extended protected water service from Whyalla.
Year Built 2006
Deadweight 12,000 tonnes
Length Overall 118.00 m
Breadth moulded 27.00 m
Depth (MLD) 7.50 m
Draft 5.61 m
Length of Boom 22.87 m
Total Hold Capacity (including hatches) 5,426 cubic meters
Discharge Rate 5,000 mt/hr (maximum)

SUB Middleback