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The staff of Consult Marine have made some interesting observations over the last two decades

Below is a concise collection of recent technical commentary and photos

Underwater Concreting
The tremie method is a simple, yet effective way of placing concrete underwater.  A gravity-fed tremie consists of a rigid
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Underwater Inspection of Piles
Sometimes defects in either steel or timber piles are not evident above water (refer to photos – courtesy of Polaris
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Underwater Vacuuming
During underwater foundation preparation, it is sometimes necessary to provide a perfectly prepared and clean surface.  This may require bulk
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Underwater Power Tools
Underwater construction requires the use of specialised tools.  Hydraulic-powered tools are often used due to their relative longevity and safety. 
Read more.