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International Dredging Briefs…
Dredger capsizes at Sierra Rutile Mine - two missing
Aerial view of Dredge D2.
Front view of Dredge D2 .
Titanium Resources Group (TRG) Ltd has confirmed that two persons were reported missing following an accident which occurred on the afternoon of Friday 25th July 2008 at the company's Sierra Rutile mine in the southwest of Sierra Leone near the Imperri Hills, some 30km from the Atlantic Ocean, on low lying coastal plains about 135km southeast of the capital Freetown.
TRG owns the Sierra Rutile Mine through its subsidiary Sierra Rutile Limited (SRL). It holds mining leases over a land area of 580 square kilometres in which 19 separate rutile deposits have been identified.
The exact number or extent of injuries and emergency medical staff were not immediately disclosed but the report said a recently commissioned floating dredge - the D2 - which is used in rutile mining (rutile is a mineral composed primarily of titanium dioxide) had capsized in a fresh water lagoon that was being mined.
Chief Executive, Len Comerford said: "We are focusing on the safety and condition of our employees and other workers who were on the dredge. We are directing our emergency efforts in response to the situation and to the provision of appropriate medical care for the injured."
Although the company says it will establish environmental monitoring in relation to the incident, significant environmental impacts were not anticipated. The company's main rutile dredge (D1) was unaffected by the incident and continues to mine in line with the company's expectations.
The mining concession is one of the largest natural rutile deposits known in the world.
The mine currently employs two bucket ladder dredges, D1 and D2 and conventional mineral processing methods to produce rutile, ilmenite and small amounts of zircon.
Ellicott Expands new factory, launches Super-Dragon and nets $25m orders.
Ellicott Dredges of Baltimore has announced huge progress in its group business in a mid-year press release made available to DDH.
According to this release, the company opened an expansion to its new factory in Wisconsin which doubled its size to 85,000 ft 2 (10,000 m 2). The addition has a crane capacity of 40 tons and clearance under roof of 29 ft (8.8 m), sufficient to build under roof and completely inside dredges up to 4,000 horsepower (2983 kw). Ellicott says this is the most modern cutter dredge manufacturing facility in the world and the largest in North America. The company also announced the launch of the first of four Series 4170 "Super-Dragon™" dredges for a Middle Eastern client, and received over $25MM of new orders for dredges.
Ellicott's Chief Operating Officer, Marty Barnes, was quoted as saying that Ellicott was on track to deliver close to 100 dredges in 2008.
Dredger inducted into Pakistani Navy
The Pakistani Navy has reportedly acquired a new dredger from China Shipbuilding Corporation (CSC), in order to enhance its dredging capabilities.
The dredger, Behr Kusha, was handed over to Pakistani Navy at a ceremony held at the Shanghai Waigaoqiao shipyard, according to reports in Dredging News Online..
Vice-Admiral Nayyar Iqbal attended the ceremony, and Pakistan’s Consul-General Zafaruddin Mahmood and CSC's vice-president were also present on the occasion.
MP demands investigation into effects of aggregates dredging
EDP 24 reports that a Norfolk MP has called for a full investigation into the system of allowing offshore dredging because of his concerns about coastal erosion.
Earlier this month, EDP reported that environmental pressure group Marinet, which is affiliated to Friends of the Earth, had asked the National Audit Office for an investigation into whether dredging for material which is then used to build coastal defences is doing more harm than good.
Now North Norfolk MP Norman Lamb says that because of the amount of money the government makes by granting offshore dredging licences, there may not be sufficient safeguards that the process is not damaging the coastline. Said the report: "The Crown Estate, which grants licences for dredging, makes millions of pounds a year from this - £10 million in 2001-2 alone."
Much of it takes place off the Norfolk coast - the seabed off Yarmouth is the most intensively dredged place in the country. Most of the sand and gravel is used for roads and building.
The British Marine Aggregate Producers' Association denies that offshore dredging causes coastal erosion. It says that it helps to solve the problem by providing material for coastal defences, and says careful tests are carried out to make sure no harm is done.
Sustainable dredging planned at Kiribati
The Pacific Island News Agency Service reports that the European Union (EU) will provide Euros 2.2 million (US$3.38 million) to support sustainable dredging in Kiribati.
A Contribution Agreement for the Tarawa Aggregate Mining Project was signed by Pacific Islands Applied Geoscience Commission (SOPAC) Director Cristelle Pratt, Kiribati's Minister for Fisheries and Marine Resources Taberanang Timeon and Finance Secretary Teea Tiira recently.
The project would address the increasing demand of for sand and gravel on South Tarawa, and at the same time would also try to address the problem of coastal erosion that is now becoming a major environmental issue in the capital and the rest of the islands in Kiribati.
A Project Coordinating Committee would be set up with government and SOPAC representatives to act as the management body.
A survey by SOPAC found that households in Tarawa plus small companies and government ministries have removed 70,000 tonnes of sand and gravel from South Tarawa's fragile coastal line.
Dredging International to construct island in the Emirates
A model of the new island
Belgium’s Dredging International has confirmed that it has been been awarded a contract to build a new artificial island, Dana, 7km into the Arabian Gulf, off the Emirate of Ras-al-Khaimah, Dredging News Online reports.
Construction of the €350 million project will commence in the next few weeks. The order for Dana Island is the fourth such project that the Antwerp-based group has been awarded in the past three years, after the Pearl of the Gulf in Qatar, the Al Marjan artificial islands at Ras-al-Khaimah, and the Al Raha Beach waterfront development in Abu Dhabi.
The 4 million square metre island will measure five kilometres by six kilometres and add around 53 kilometres of shoreline to the coast of Ras-al-Khaimah. Dana Island will be shaped in the form of a coral, or a jewel, and will include three main islands and ten leaf-shaped islets. The stone revetment and breakwater work will start shortly, and will be followed by dredging work.
An environmental consultant has been appointed to carry out an Environmental Impact Assessment, as well as environmental management and monitoring plans for the project. Once the reclamation project is finished, Rakeen intends to build commercial, residential and leisure complexes on the island, which will ultimately accommodate 250,000 people.
Jan de Nul and BAM win rail tunnel project
A joint venture between Jan De Nul NV (part of the Jan De Nul Group) and the Dutch construction company BAM has been awarded a contract for the construction of the Schuman-Josaphat railway tunnel in Brussels.
The contract is worth Euros 210 million and forms part of the Watermael-Schuman-Josaphat project, establishing a railway connection between the stations Watermael, Brussels-Schuman and the northeast of Brussels.
The new railway is designed to ensure a smoother connection between Brussels and other Belgian cities, such as Leuven-Liège and Mechelen-Hasselt. It will also relieve the existing north-south connection in the centre of Brussels.
The 1.25km long railway tunnel will connect the existing 161 (Brussels-Namur) and 26 (Halle-Vilvoorde) rail lines.
VOSTA LMG signs contract with Inai Kiara for two CSD750s
VOSTA LMG has announce that on May 21st it signed a contract with Inai Kiara Sdn Bhd in Malaysia for the delivery of an engineering and components package for two cutter suction dredges (CSD).
The CSD750 cutter suction dredgers will be built at Port Shipyard & Engineering (PSE) at Kampung Pendamar near Port Kelang in Malaysia.
Both cutter suction dredgers will be equipped with the latest VOSTA LMG cutting and pumping technology, such as the T-system cutterhead, three VL750 dredge pumps and a wire system spud carrier installation.
The CSD750s will have a length overall of approximately 80m, breadth, moulded of 15m, total installed power of 9,300kW, dredging depth (max) of 22m, mixture pipes with a diameter of 750mm, and cutter power of 1,000kW.
DP World gets approval for London Gateway project
Dubai-based port operator DP World has reportedly secured approval to build a US$3 billion port and logistics park on the banks of the River Thames in southeast England.
The London Gateway project, which DP World inherited following its acquisition of P&O in 2006, involves the development of an 1,800 acre form oil refinery in Essex into a deepsea port and what will be the largest logistics park in the UK.
Construction work is scheduled to commence later this year, following a harbour empowerment order from the department of transport.
DP World's plans include a 2,300m container quay with a fully developed capacity of 3.5 million standard container units a year.
Replenishment contract for Van Oord
Van Oord in The Netherlands has been contracted by the Dutch Directorate-General for Public Works and Water Management to carry out the country’s biggest foreshore replenishment project ever.
In a project that will continue until early 2009, Van Oord’s trailing suction hopper dredgers will deposit more than 8 million cubic metres of sand off the coast at Den Helder. The contract is valued at around Euros 27 million.
Boskalis acquires €145 million contract in Australia
Royal Boskalis Westminster has been awarded a contract with Rio Tinto for the expansion of its iron ore port facility at Cape Lambert in Western Australia. The contract will be worth approximately €145 million and is due to be completed in the second half of 2010.
The assignment includes the dredging of new berth pockets, turning and departure basins and an access channel and will be executed with a combination of cutters and hoppers. The contract is conditional on Rio Tinto obtaining various approvals, including environmental.
Sierra Gold Corporation to acquire dredger
Sierra Gold Corporation has announced that it has entered into an agreement to purchase an 8in dredger from a South African company.
The equipment will enable the company to expand its river dredging operation to another part of the country. The first dredge purchased by the company last month will be employed on the Pampana river while this second dredge will operate on the Sewa river.
The 8in dredge is presently located in Sierra Leone and will be transported to Sierra Gold's Sewa river concession licensed by its joint venture partner. Operations are to begin in 3-4 weeks time.
The Sewa river is well known for its richness in both gold and diamonds. The company has done preliminary testing on the property to substantiate the presence of gold and is encouraged by the initial results.
The gold extracted from both rivers will increase the company's potential gold reserves. Previous calculations from land work done totalled just over 936,000 ounces with an estimated gold value of US$800 million at today's prices.
Van Oord awarded two contracts in the UK
Van Oord has been awarded two projects on the east coast of England by the UK Environment Agency.
The first is the Happisburgh to Winterton Sea Defence Project which is worth approximately Euros 9 million. This is a continuation of work previously undertaken by Van Oord at this location. The new work will start in September 2008 and is scheduled for completion in December 2008.
The workscope includes 280,000m3 of beach recharge and the building and refurbishment of rock groynes and revetments. The trailing suction hopper dredger Geopotes 15 will be deployed for the project after having been fitted with screens to ensure the required beach material grading is achieved.
The second project is at Jaywick, near Clacton, and is worth some Euros 13 million. Work starts in September 2008 and is scheduled for completion by the end of the year.
The project involves construction of a 185m long offshore breakwater (including 40,000 tonnes of rock), 250,000m3 of beach nourishment and an outfall extension. The suction dredger Sliedrecht 27 will be deployed as a booster station for the beach nourishment works.