Enerpac Jack-Up cuts time for heightening project
Jack-up technology from heavy lifting systems specialist Enerpac has been used to cut the time needed for port container crane heightening at Mitsui Engineering and Shipbuilding (MES) in Japan.
The Enerpac JS500 Jack-Up system reduced the time taken to raise a Portainer crane by 6 metres to two weeks, compared with two months using conventional structural bracing methods.
MES wanted to increase the height of 1,650 tonne Portainer cranes by six metres to handle larger ships. Working with Binan Development Ltd, MES’s transport and engineering services supplier, Enerpac’s JS500 Jack-Up lifted the crane six metres, allowing the leg extensions to be added.
Keeping the crane as low as possible was critical to the heightening project. The combination of strengthening the crane base with temporary beams and lifting points at each corner, together with the small footprint and stability of the JS500 Jack-Up kept the lift low.
Jeroen Naalden, director of Enerpac Integrated Solutions, said: “The speed with which the heightening of the MES Portainer Cranes was completed is a clear demonstration of the way in which the Enerpac JS500 Jack-Up system has a significant role to play in enabling the safe, efficient and cost-effective upgrading of port cranes to meet the demands of super container vessels.”
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