LOADING 7 RTGS ONTO THE HAPPY DOVERProject SummaryIn November 2023, on-site assistance was provided during the loading of 7 used rubber tire gantry (RTG) cranes onto the BigLiftproject cargo vessel HAPPY DOVER. To increase the useable deck space, tweendeck hatch covers were installed, partly overhanging the ship sides. Each RTG was lifted on using the two ship cranes in tandem. The lifting slings with spreader bars were hooked to existing padeyes on the RTGs (which required removal of some of the access stairs on one side). After loading each RTG, it was rollled to its final stowage location on its own power. Once in final position, the tires were parlty deflated to lower the RTG onto support beams. Ship lashings were then used to lash the RTG to the vessel deck. After all 7 RTGs were loaded and lashed and the Marine Surveyor approval received, the HAPPY DOVER departed San Pedro with destination Cape Town, where the RTGs were safely delivered in late December. Scope of WorkThe project scope included:
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specialists in marine heavy-lift transportation engineering
naval architects
marine surveyors
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Est. 1992
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On-site assistance with loading of the RTGs;
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Design of the trolley securings and the spreader securings;
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Survey the trolley securing and other internal lashings on the RTGs before loading;
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Survey final lashing of RTGs to the vessel deck.
Lifting the second RTG using the HAPPY DOVER cranes in tandem
