• 2018 July 12 15:24

    Damen begins work on Marine Aggregate Dredger dredging system

    Damen has begun work on the construction of the innovative dredging system for the first Marine Aggregate Dredger (MAD), the shipbuilding group said in a press release.

    This vessel, which is being built at Damen Shipyards Galati in Romania, is designed to extract sand and gravel from the sea bed at depths of up to -55 metres, including in the challenging conditions of the North Sea. Damen is building the first MAD for Cemex UK Marine Ltd.

    The life expectancy of such a vessel is up to 30 years, so it was important to CEMEX that Damen develop them a vessel that was future-proof. The result is a vessel with an advanced focus on safety, performance and sustainability that will ensure its relevance in the years to come. The innovation of the MAD extends to the dredging system that Damen Dredging Equipment has recently started work on in Nijkerk, the Netherlands.

    CEMEX asked Damen to develop a system with no inboard dredge pipework, something which has never been done on a vessel of this size before. The thinking behind this was to avoid the possibility of the abrasive dredged material creating wear holes in the inboard dredge pipework on board making it a safer and easier maintenance-friendly system.

    “This initial design from Damen Dredging Equipment, considerably reduces the risk of flooding. It has implications way beyond the obvious improvements in safety, not only for the crew on board but also for the maintenance staff, as there will be a reduced requirement for expensive wear parts as well as fast, practical replacement,” says Mark Williams, CEMEX UK Fleet Engineering Manager.

    Reduced maintenance is a common theme to be found throughout the dredging system design, explains Frank de Hoogh, DDE Design and Proposal Engineer.

    “The modular nature of the dredging system takes care of this. Where maintenance was previously a significant undertaking, it can now be conducted with just the on-board service crane, significantly lowering maintenance requirements and increasing uptime.”

    An example of this modularity at work is the screening installation. This is fixed, as opposed to the typical rotating screen towers more commonly used. In addition to being more maintenance friendly, the screening area features an increased capacity courtesy of a larger surface area.

    Another element is the dry unloader machine that Damen has developed along with CEMEX and manufacturer PLM. As a concept, Damen has selected the proven principle of a grab unloader, however a lot of work has gone into optimising the design. For example all electronics on the machine are rated IP68 for long term reliability. Another example is the design of the grab which is optimized to maximize efficiency of each discharge cycle.

    “Such a system already exists in principle, but this model represents the next step – the next generation – in dry unloading technology.”

    Ultimately, Frank says, the MAD benefits from Damen’s role of vessel integrator. “We are responsible not only for the design and build of the vessel, but also for the design and delivery of all on board equipment and its integration with the vessel. This ensures the predictable, reliable performance of the end product.”




2018 September 21

18:06 Forth Ports wins prestigious award for community work
17:44 NCSP Group's cargo turnover for January–July 2018 totaled 82,351 thousand tons
17:28 First ISO-container ever loaded with liquefied natural gas at the LNG terminal in Świnoujście
17:06 Gibdock, RSP Systems and New Zealand fisheries choose LR
16:31 Outlook for marine cargo insurance challenging but opportunities remain for underwriters, says IUMI
16:04 Babcock ecoSMRT receives LR acknowledgement for ship application
15:09 Trafigura holds naming ceremony for first of 35 newbuild crude oil and product tankers
14:56 IBIA takes part in SIBCON 2018
14:27 Krasnoye Sormovo shipyard launches Pola Fiva, fifth dry cargo carrier of Project RSD59 built for Pola Rise
14:09 British International Freight Association fumes over sulphur surcharge
13:52 Ukraine’s water transport carried 0.5 million passengers in 8M’18, up 10.5%, Y-o-Y
13:31 Maersk’s regional carriers go to market under one brand
13:09 GE Shipping takes delivery of Secondhand Very Large Gas Carrier “ Jag Vasant ”
12:50 ABP aims for frictionless trade with blockchain
12:28 Cargo transportation by Ukraine’s water transport declined by 1.9% to 3.6 million tonnes in 8M’18
12:09 COSCO SHIPPING Tanker (Dalian) takes delivery of 319,000 dwt Mt Cosnew Lake
11:07 Odfjell finalizes sale of Rotterdam tank terminal
10:36 ABP promotes South Wales ports as cruise destinations
10:07 Georgia Ports plan 8 million TEU capacity by 2028
09:54 Brent Crude futures price up 0.06% to $78.75, Light Sweet Crude – up 0.14% to $70.22
09:35 Bunker prices are going up at the Port of Saint-Petersburg, Russia (graph)
09:16 Baltic Dry Index is up to 1,396 points
09:03 APL’s Eagle Express service makes a solution for precise logistics management
08:07 Yang Ming to upgrade China-Vietnam-Thailand service
07:20 Iskes Towage names twin Damen ASD Tugs 3212 Mars and Mercurius

2018 September 20

21:17 Expert says production declines and geopolitical unrest may push bunker prices up
18:02 SITC holds naming & delivery ceremony for M/V “SITC TOYOHASHI”
17:54 Sovcomflot participates in Eastern Economic Forum’s business programme
17:30 Kurt Bodewig appointed as new European Coordinator for Motorways of the Sea
17:07 Port of Singapore holds annual multi-agency ferry emergency exercise
16:46 IAPH regional conference sets pan-African ports agenda
16:25 UAE to host Dubai Marine Insurance Conference 2018 on November 20-21
16:07 Governments of New Zealand and Australian announce fumigation requirement for import cargos
15:48 Sovcomflot is a Partner of the Second Conference “LNG Fleet and LNG Bunkering in Russia”
15:32 NYK product tanker rescues 28 fishermen off the coast of Colombia
15:04 CMA CGM announces GRR from Asia to West Africa
14:56 Admiralteiskie Verfi launches the Kronshtadt, diesel-electric submarine of Project 677
14:32 DNV GL releases autonomous and remotely operated ship guideline (UPDATE)
14:04 Port of Long Beach awarded $4.2 mln security grant
13:32 ABS supports innovative yacht design with dedicated guidance notes and software
13:20 Finnish Transport Agency: international seaborne transport volumes show significant boost
13:04 Port of Antwerp works on structural solutions to improve mobility
12:43 Arctic group of RF Navy’s Northern Fleet enters Chukchi Sea through Bering Strait
12:30 Wison receives AiP from LR for 300MW FSRP
12:04 Port of Rotterdam and Rönesans Holding sign agreement for petrochemical industrial zone in Turkey
11:49 IMO to start consideration of legal framework for low-flashpoint diesel
11:30 Gulftainer signs 50-year, $600 million concession to operate and expand Port of Wilmington in Delaware, USA
11:18 Fuel oil prices are going up the Far East ports of Russia (graph)
11:04 Green Corridor JIP delivers innovative bulk carrier designs for a low emissions future
10:55 IMO takes important step to facilitate use of methanol
10:30 HHI receives AiP from LR for a VLGC design capable of using LPG as fuel
10:19 Brent Crude futures price up 0.3% to $79.64, Light Sweet Crude – up 0.61% to $71.2
10:03 OpenIJ starts sinking operation of the lock gate chamber at the Port of Amsterdam
09:50 Passenger Port of Saint-Petersburg ("Marine Façade") welcomed MSC Meraviglia
09:34 CMA CGM announces GRR from India to East Africa
09:17 Baltic Dry Index is up to 1,373 points
09:03 Port of Rotterdam organises information meeting about the replacement of Maaskade quay wall
08:34 DNV GL launches revised design standard and new certification guideline for floating wind turbines
08:04 ABS issues AIP for Jiangnan’s LNG Jumbo

2018 September 19

18:10 Significant reserve growth confirmed at the Utrenneye field