Cyclone plan for wharves and moorings

How to secure vessels in Frances Bay Mooring Basin

During the cyclone warning stage, the Wharf Supervisor will inspect each vessel's moorings in the Frances Bay Mooring Basin.

Masters must remain aboard their vessels until the moorings have been inspected and the Wharf Supervisor or his representative is satisfied the vessel can be left unmanned.

Mooring patterns

The following mooring patterns should be used for vessels in the mooring basin, depending on expected wind speed, berth size and proximity of other vessels.

In normal conditions

Normals conditions means a maximum wind speed of 36m/sec or 70 knots.

For this wind condition a three line mooring pattern as shown below may be adopted.

Normal mooring system

In storm/cyclonic conditions

When the wind speed exceeds 36m/sec or 70 knots, the mooring arrangement of the vessels must be changed to not less than a four line mooring system as shown below. The arrangement varies depending on how many neighbouring vessels or empty berths there are.

When the mooring basin is fullWhen there is one empty neighbouring berth

Storm and cyclonic conditions - full marine

Mooring when there is one empty berth

When there are two empty berthsWhen there are three or more empty berths
Two empty berthsThree or more empty berths

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Last updated: 21 November 2016

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