Work scope - Flying out to work everyday in a helicopter over the white sands of the Gold Coast was something special. The desalination project is a reverse osmosis plant that supplies water to South East Queensland. Diving on Nitrox (a different percentage gas of nitrogen and oxygen) we were able to stay underwater longer and also reduced our need for decompression. Our job was to install the intake and outlet risers. The intake is located in about 20m of water and collects the seawater by gravity. The outlet uses a diffuser, designed to disperse the concentrated brine using the energy of the ocean.
Equipment - airlift, pneumatic rattle guns, high pressure water jetting, broco cutting, crane rigging, general visual inspection
Highlight - The new artificial reef brought all sizes of marine life to inspect the latest Gold Coast attraction. From migrating humpback whales, dolphins, kingfish, octopus, and the very stealthy numb ray. Numb ray's don't have a barb but instead send out an electric shock as a defence, making the unsuspecting diver dance around the ocean floor after stepping on it.
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