The Port works closely with the Maritime Safety Queensland Regional Harbour Master to determine when maintenance dredging is required. The survey results are measured against the approved navigational depths for the Port anticipated shipping tends, and projects or developments that may affect navigational requirements. The Port’s Hydrographic Surveyors use specialist equipment and carry out detailed surveying four times per year to measure the depth of the port infrastructure and monitor the volume of sediment building up. It also maintains appropriate depths so that commercial (ferries, barges and trawlers) and recreational boats can continue to access Ross Creek, Ross River and the Marine Precinct.Ī maintenance dredge campaign is usually conducted once a year for around 4-5 weeks, depending on the amount of sediment building up in the channel and harbour. To keep the channel open to shipping, the Port has been carrying out maintenance dredging in Townsville since 1883. This channel is maintained to a depth of 11.7 metres to enable ships up to 238 metres to safely enter the Port. The Port of Townsville is currently linked to national shipping routes by a 14 kilometre long and 92 metre wide channel through Cleveland Bay. The Port is legally required to maintain a safe shipping channel and harbour to provide an efficient port which services the North Queensland community.
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