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Prespecs: inspection of general cargo vesselFor a Dutch shipping company Royal Roos inspected a general cargo vessel in the Ukraine. The inspection was carried out to determine the technical state of the vessel and to help assess the commercial value of the vessel. More >> |
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Consultancy: Design of hoisting system including spreader bars for lifting of complete booster unit
A booster unit used in dredging had to be moved to a larger barge. The challenge was to do this while leaving all components mounted to the booster unit frame and without removing >> |
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Sketch-express: upgrading drawings for nautical publication
Royal Roos has upgraded various drawings for a text book about electricity systems on board ships >> |
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Parts and assemblies: hydraulic cylinders for chuteFor a Dutch Marine and Offshore Contractor Royal Roos fabricated custom built hydraulic cylinders with a delivery time of one week ex. works Singapore >> |
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Salvage consultancy: writing of method statement, preparing anchor plan and stability calculations
For a Dutch combination of two companies (GPS Maritime Services and Van den Herik) we have assisted in in writing some documents for the wreck removal operations in the Eemsgeul in close cooperation with engineering company TWD in Schiedam, The Netherlands >> |
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Stability analysis according to GL Noble Denton criteriaTo determine if the stability criteria according to GL Noble Denton for unrestricted service were met Royal Roos prepared a report addressing damaged stability, stability due to a wind heeling moment and general stability requirements for various barges... >> |
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Determination of still water resistance of a cargo vesselFor a company in the Dutch maritime industry Royal Roos has performed a still water resistance calculation using Holtrop-Mennen... >> |
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Global Strength AnalysisRoyal Roos performed a Global Strength Analysis for a seagoing barge with specialized equipment to assess compressive and tensile stresses in the barge's structure... >> |
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