![]() Sunshine Coast Council’s Environment Portfolio Councillor Peter Cox said community safety was council’s top priority throughout the trial. Bottom placement is when sand is released from the bottom of the hull in a grid like pattern. ![]() ![]() Rainbowing is when sand is mixed with water and sprayed from the ship’s bow in a huge arc, like a rainbow. This hopper dredger will travel from the Spitfire Channel, in Moreton Bay, to Maroochydore Beach carrying sand.Īs part of the Maroochydore Beach Nearshore Nourishment trial, expected to run from November 16 to 24 (weather permitting), it will place sand just offshore by “rainbowing’’ or by bottom placement. Such vessels can collect sand from the seabed and transport it over large distances for use elsewhere. It’s called TSHD Brisbane and the TSHD stands for Trailing Suction Hopper Dredger. A distinctive vessel has arrived in Sunshine Coast waters to play a leading role in a special trial aimed at replenishing a popular beach.
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