Trailing Suction Hopper Dredger Tommy Norton Hits the Water

Image source: Damen

The trailing suction hopper dredger (TSHD) 650, ordered by Gippsland Ports of Victoria, Australia, in December 2015, was launched at Damen Yichang Shipyard in China recently.

“The vessel, named Tommy Norton, is now alongside the yard’s new quay undergoing final commissioning, after which she will sail for Shanghai to undertake sea trials. Once those are completed, she will sail for Australia on her own keel for dredging trials and delivery. The official handover will take place in August,” Damen said in its announcement.

The new dredger will be used to maintain entry to the port of Lakes Entrance and the Gippsland Lakes system, which is used by recreational, fishing and supply vessels.

To achieve this mission effectively, the TSHD 650 has been modified to increase the installed propulsion power, allowing her to manage the strong currents encountered in these areas. To minimize disruption to the local ecosystem, an anti-turbidity valve has been fitted on the overflow to reduce air bubbles and visible plumage in the water.

Additional features include an indication package to measure soil density. This allows the suction pipe to be angled precisely for accurate operations.

The dredging process will be made even more efficient by the installation of the navigational dredging aid, NavGuard, indicating the area and quantity of substrate dredged, according to Damen.

Capable of dredging to depths of 15 meters, the dredger has been built with self-emptying capabilities with bottom doors for dumping and the choice of either a bow connection or rainbow expulsion for beach reclamation work.

In order to increase the vessel’s payload capacity when dredging sand with a high specific density, Damen has reduced the freeboard of the vessel and applied a dredge mark.

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3rd International Congress Hydraulic Engineering Structures and Dredging

Russia’s leading maritime industry Media Group PortNews (www.portnews.ru) holds a traditional annual Congress “Hydraulic Engineering Structures and Dredging” in Moscow. 

The two-day Congress includes the 7th International Forum of Dredging Companies and the 3rd Technical Conference “Modern Solutions for Hydraulic Engineering”.

Infrastructure development is among the real sources of Russia’s economy growth. Construction of port facilities and new hydraulic engineering structures on the country’s inland waterways constitute an essential part of all infrastructure projects. It is important to take into account the best international practices to implement these projects effectively.

The program of the Congress will be devoted to the latest technologies for dredging and hydraulic engineering works. Speakers and delegates will refer to real projects to discuss specifics features of dredging works, as well as dedicated fleet and equipment involved.

To learn more about event, please, contact the organizing committee: snitko@portnews.ru

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