DEME - Activity Report 2016

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Laser-cladded cutterhead teeth Cutter suction dredgers (CSD) use cutterheads fitted with teeth to cut soil and rocks loose. However, the lifespan of these teeth is limited and the dredging process has to stop each time they are replaced. Using laser cladding the teeth are given a carbide layer. Result: the lifespan of the teeth is lengthened considerably.

Temarock - a specialised and fully automated multipurpose underwater 3D-printer of rock foundations A quay wall, built of caissons at Tuas Terminal Phase 1 in Singapore, has a foundation consisting of two layers of compacted hardcore. For these to be applied in accordance with the customer’s exact specifications three equipment spreads are required. Using the Temarock, DEME has developed a fully automated multipurpose 3D-printer that can do everything much more efficiently, achieve extreme tolerances and facilitate diverless execution.

TE-Norm remediation application of soil washing techniques TE-Norm stands for Technologically Enhanced Naturally Occurring Radioactive Material. This project studies the technical and economic feasibility of the treatment of soil and sediment that is lightly to moderately contaminated with radioactive material. Using adapted soil-washing techniques the decontaminated material, which can often be reused, is sorted out and treated separately.

ME2WE A strategy was developed at the Jurong Island Westward Extension project in Singapore, which focuses on teamwork and productivity. This involved creating a tool, ME2WE, which helps to increase involvement, improve internal relationships, create improvement channels and increase productivity.

Visual Lock Out Tag Out (LOTO) app The LOTO app, designed aboard DEME’s CSD ‘Ambiorix’, is a visual application for the management of the Lock Out Tag Out process. The app helps the crew in indicating the necessary LOTO points, locations and locks, and at just the click of a mouse. This app helps to make repairs and maintenance safer and more efficient and reduces the risk of human error.

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