Posted on March 30, 2021
Netherlands based C-Job Naval Architects has launched an in-house developed trailing suction hopper dredger series intended to fill the gap between standard designs and fully tailored vessels.
C-Job’s CEO Basjan Faber explained: “We’ve noticed a mismatch where off the shelf TSHD designs will not match specific project profiles, while fully tailored dredgers can be seen as limiting itself to the type of project it can perform. Plus, any small adaptations to standard designs usually require a hefty fee. In comes the customizable C-Job TSHD series.”
Modular options of the C-Job TSHD Fleet include modifying main parameters in addition to dredging operations and functionalities such as dredging depth, type of dredge pump, pump power and discharge method. The THSD series also allows for easy up or downscaling of the hopper capacity, ensuring any cubic metre size is made possible. All dredgers within the C-Job series will feature a Green Passport and Clean Design notation.
The first concept design released from the C-Job TSHD series is a 14,000m3 capacity multi-functional dredger optimised for shallow water performance. It features two extendable 1,200mm diameter suction pipes, self-unloading systems and eco-friendly features. The V-shaped hopper has eight self-emptying bottom doors in one row and four closed diffusion boxes for reduced turbulence and maximum control of trim during operation. There is a jetwater system in the hopper and on dragheads and an adjustable overflow system with anti-turbidity valve. Capable of dredging to depths of 35m, there is an option for extending to depths of 100m with a submersible pump on the trailing pipe.
C-Job research and development knowledge supports the customizable TSHD series. The automation process ensures any proposed changes can be quickly checked. The system will show how changes will alter the design and whether they are indeed feasible. The company’s research into hydrogen based renewable fuels offers another possible customization element for customers.
Basjan Faber added:”In order to reduce greenhouse gas emissions in the maritime industry we must consider hydrogen based renewable fuels. With technology progressing at an ever increasing rate, what is not possible now may be possible in five years’ time, especially as it becomes more readily available and affordable.
“At C-Job we aim to show these possibilities in our TSHD series and share our vision of the future of dredging with our clients.”
By Larz Bourne
