IHC Merwede: New Orders Secured for Cutter Suction Dredgers IHC Merwede has announced that it has recently secured orders to the value of €125million for a wide range of new cutter suction dredgers (CSDs) and related equipment. USA: Corps Awards First of Two Contracts for Post-Sandy Coastal Restor
Van Oord is a leading international contractor specialising in dredging, marine engineering and offshore projects. Dredging is Van Oord’s biggest and most important market. “It is our signature talent, one that we have perfected continuously since our business was founded. We use our dredging soluti
IADC has published an article in which René Kolman, IADC secretary-general, considers whether adaptive monitoring can help save money and time. Kolman stated that monitoring at dredging sites for port expansion and maintenance is a necessary element in the planning and development process. It provid
Shura Council members yesterday reduced proposed penalties for sand dredging violations. They also restricted punishments to decision makers, after talks last week ended in a stalemate over fears that low-paid labourers could be made scapegoats. The new punishments agreed yesterday are jail plus fin
The UK Minister of State for Transport, Simon Burns, visited Jebel Ali Port and the free zone and was welcomed by H.E. Sultan Ahmed Bin Sulayem, Chairman, DP World. During a meeting with senior DP World executives and a tour of the port, Mr Burns was briefed on the operational efficiencies that have
A lot of dredged material removal has occurred in recent years for maintaining the depth of channels and anchorages. Also, a lack of the land for the disposal of dredged soil has become a problem. At the same time, converter slag that has properties such as wear resistance or hydraulic properties ha
After the 1953 and 1976 North Sea floods a flood defence plan was conceived to protect the Flemish part of the Scheldt estuary against future storm surges, called the Sigma Plan. It is governed by Waterwegen en Zeekanaal NV (W&Z), a Flemish government agency, and since aims 2005 to combine flood def
Goeree J. C. and Van Rhee C. from Delft University of Technology, the Netherlands, held a presentation on numerical simulation of hydrodynamical behaviour of sand water mixtures at Wodcon XX (June 3-7, Bruxelles, Belgium). Abstract Modern Trailer Suction Hopper Dredgers are capable of dredging mater
Chinese Company to Get Nicaragua Canal Concession The National Assembly president stated yesterday that a concession to build a canal across Nicaragua will be awarded to a Chinese company. Croatia: Uljanik Delivers “Bartolomeu Dias” to Jan De Nul Uljanik Shipyard on 16th May delivered to the Luxem
In dredging, the hydraulic transport of solids is one of the most important processes. Since the 50’s many researchers have tried to create a physical mathematical model in order to predict the head losses in slurry transport. These models are Durand, Condolios, Gibert, Worster. Zandi & Govatos, Juf
In recent years, Chinese dredging companies have been actively taking pail in the domestic and foreign dredging market. They have built a large numbers of cutter suction dredgers, CSDs & trailer suction hopper dredgers, TSHDs with the Chinese dredging equipment makers developing and improving a lot.
When dredging hard cohesive soils such as clayey silt, mild clay and clay, traditional teeth such as chisel teeth can only penetrate to a shallow depth of the soil layer and bear more cutting resistance, which directly affects the dredging efficiency of the trailing suction hopper dredger. In order
The National Marine Dredging Company (NMDC) was ranked No. 1 on the category of services in the Top 500 Companies of the Arab World 2013 by Forbes Middles East (Saudi Arabia, Jordan, Egypt, Oman, Qatar , Kuwait , UAE…). NMDC received the award from H.H. Sheikh Nahayan Mubarak Al Nahayan, Minister of
Jebel Ali Port, the leading port in the Middle East has won the trophy for Best Seaport in the Middle East for the 19th year in a row. DP World’s flagship has been voted the “Best Seaport – Middle East” at the 27th Asian Freight and Supply Chain Awards (AFSCA 2013). Four ports from the […]