Summarising the TRESB Project

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Summarising the TRESB Project

via Aashay Nandigam's Geography Blog by Aashay on 27/02/11

1. The problem which lead to the TRESB Project. The problem which lead to the Tweed River Entrance Sand Bypassing Project was that during the 1950's the entrance to the Tweed River became a shipping hazard to passing boast into the river due sandbars forming across the river mouth. The longshore drift transported much of the sand from Duranbah and the beach south of "South Head" was being transported to the open river mouth and being deposited there.

2. The solution to the problem.
The solution to the problem was to build the Tweed River Sand Bypassing Project. This would artificially recreate the the coastal process along the beach/coastline. The process aims to replicate the natural process of longshore drift. Sand is pumped from where it accumulates on the southern side of the Tweed River via a system of pipes, across the Tweed River to one of four outlets where sand is realeased onto the beach. It ensures constant supply of sand to the beaches of the southern Gold Coast  and solved the problem of the Tweed River silting up.

3. The result of the project. What areas were effected and how? Do you think that it was a success?
Quite a lot of area was affected by the actual construction of the project as much of the pipes had to be put underground and lots of ground had to be dug up. This would of affected a lot of the above ground area for the time period during contraction which was for a year. But after it was constructed the only places affected was the actual pumping station, the sand pumping jetty and the 4 separate outlets. The jetty and pumping station are in uninhabited areas so that not many people were affected while it is in operation. This was considered a great success as it was the most successful coastal management strategy implemented in Australia.

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