Dredging is necessary when sediment settles and leads to shallow water, which impairs the shipping industry. Excavation of sand from the seabed in the course of land reclamation is a further possible application.
In doing so, the duty cycle crawler cranes must endure high dynamic forces. Thanks to their robust design they are perfectly suitable for material handling operation.
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The drain of Lago di Luzzone, a reservoir in the Swiss canton of Ticino, has to be freed of deposited sediments. At depths of up to 200 m, a total of 125,000 m³ of material has accumulated in close proximity to the power station of Olivone.
The handling of the HS 8130 is extremely smooth and precise. This contributes immensely to the fact that, so far, the work has progressed according to plan.
Yann Blouet, Crane Operator, S.E. Levage
HS 8100 in the Port of Hamburg
For years the Port of Hamburg has been fighting with sediment deposits, which cause receding water depths and, therefore, impede the shipping industry. The Hamburg Port Authority (HPA) must ensure a water depth of 23 metres for the smooth sailing of vessels.
In order to further advance the dredging work in the Port of Hamburg the HPA chose a Liebherr duty cycle crawler crane, type HS 8100. Not only sediment can be removed but also other waste material such as stones, metal and various bulky goods.
Harbour dredging in Vado Ligure
As one of the major hubs for ferry services to Corsica and Sardinia, the Port of Vado Ligure in northern Italy is in the process of significantly extending its capacities.
Dredging contractor Co.Ed.Mar from Chioggia (Italy) is using its self-propelled barge “Wise” to remove the sediments. It is equipped with a brand new Liebherr duty cycle crawler crane type HS 8130 with hydraulic clamshell bucket. The grab capacity of 6 m³ results in an average turnover of approx. 400 m³ per hour.
There’s always gravel in the Rhine
The Liebherr HS 8030 will never run out of work. Grabs with capacities of either 1 m³ or 2 m³ can be fitted to the HS 8030, depending on requirements. For work with large stones an orange peel grab (polyp) is occasionally used.
Top performance
While mechanical grabs convince with low operating costs, hydraulic models are especially recommended for hard ground conditions.
This YouTube video is provided by Google*. If you load the video, your data – including your IP address – is transmitted to Google and may be stored and processed by Google inter alia in the USA. We have no influence over further data processing by Google.By clicking on ‘Accept’, you consent to the transmission of data to Google for this video in accordance with Art. 6 (1) (a) GDPR and at the same time explicitly consent to the transfer of data to the USA in accordance with Art. 49 (1) (a) GDPR. If you no longer wish to consent to each YouTube video individually in the future and wish to be able to load the videos without this blocker, you can also select ‘Always accept YouTube videos’ and thereby consent to the associated data transmissions and transfers to Google and to the USA for all other YouTube videos which you open on our website in the future. Please note that, in the opinion of the European Court of Justice, there does not currently exist an adequate level of data protection in line with EU standards in the USA, and at present we cannot provide appropriate safeguards to protect your data and offset this shortcoming.Possible risks to you of data transfer to the USA are that access by state authorities cannot be excluded and that your data could be processed for reasons of national security, law enforcement or for other purposes in the public interest of the USA, possibly without you being informed separately and without enforceable rights and effective legal remedies being available to you.You can withdraw consent that you have given at any time with future effect via the settings. For further information, please see our Data Protection Declaration and Google’s Privacy Policy.*Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland; parent company: Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA