Introduction
Ever
since the start of work for the Vizhinjam International Seaport off the coast
of Trivandrum, the dredging work is going on, digging the soil from the sea to
the shore through a set of pipes. So far, the dredging equipment employed was
small and the amount of soil from the sea removed was less, triggering the anxiety
of delay in the commissioning of the port, ahead of the start of work for
similar seaport at Colachel in Tamil Nadu about 30 kilometers from the seaport site.
In order to offset the fear and to speed up the sea-digging work the Adani
Group has brought a bigger and powerful dredger to the Vizhinjam site. There is
a lot of talk about this event in the media circles. In this blog, we will see
what this new machine is capable of and how it was brought to the Vizhinjam
shore.
Semi-submersible
Heavy Load Carrier
Since the
beginning of work for the Vizhinjam International Seaport, the authorities are
able to finish only about 20% of dredging work. Hence the promoter of this
project – Adani Group – has brought in bigger and powerful dredger to the Vizhinjam
shore. This powerful machine has come riding pillion on a semi-submersible
heavy load carrier ship. Since the current sea depth is not enough for this
bigger ship, the authorities have docked it in the deep-sea. The name of this
ship is MV Combi Dock 1. This ship is can take in adequate measure of
water and submerge partly in the sea. When the carrier ship gets partially
submerged in the sea, the dredger that is on it starts floating on the sea
water. The driver of the machine can power it on and propel it to the sea. After
the unloading of the dredger machine, the carrier ship can drain the sea water
to come back to the sea surface fully.
The crew members of the carrier are currently planning to bring it still
closer to the site before offloading the dredger machine. This is mainly used
to transport the heavy load machines like big dredgers to various places.
Powerful
Dredgers
The
project promoter Adani Group has decided to bring the heavy-duty dredgers to
further dig the continental shelf just under sea to make room for the docking
of heavy and long container ships in the future. After the initial level of
dredging, the team has found the rocks on the continental shelf. Hence, they
have to bring in powerful dredgers to further dig the shelf near the shore.
Moreover, the authorities are planning to use these powerful machines to dig
big holes on the rock surface to pile in strong concrete blocks so that they
can construct other structures over them. By constructing the powerful
structures on the ocean-front, the authorities want to safeguard the land
recovered from the sea from ocean currents and powerful sea waves. After
securing the land recovered from the sea, the authorities are going to fill it
with soil brought from other areas to bring it to the shore level.
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