Home Marine Civil & StructuralEngineeringSite investigation & Condition Assessment Detailed DesignProject & Contract ManagementManagement Consulting Capability Services Projects RECENT Commentary The staff of Consult Marine have made some interesting observations over the last two decadesBelow is a concise collection of recent technical commentary and photos Underwater ConcretingThe tremie method is a simple, yet effective way of placing concrete underwater. A gravity-fed tremie consists of a rigidRead more. Underwater Inspection of PilesSometimes defects in either steel or timber piles are not evident above water (refer to photos – courtesy of PolarisRead more. Underwater VacuumingDuring underwater foundation preparation, it is sometimes necessary to provide a perfectly prepared and clean surface. This may require bulkRead more. Underwater Power ToolsUnderwater construction requires the use of specialised tools. Hydraulic-powered tools are often used due to their relative longevity and safety. Read more. View all commentary