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Ship's gantry crane removal

The vessels are equipped with a Liebherr Electro-Hydraulic Travelling Gantry Crane, type MPS 45x21.1x25.9 with a SWL of 45T. The cranes were commissioned in 1990 and have reached the end of their useful service life, they are scheduled for decommissioning.

 ALATAS has sizeable experience with Liebherr Gantry Crane commissioning and was engaged by Maersk to supervise the dismantling of the crane and the Yard's heavy lifting operation.

 

 
Vessel with Liebherr gantry crane
Vessel with Liebherr gantry crane
Removal of counterweights
     
Cut all cables to slip ring unit
Remove inner slewing ring bolts at the side of the
cantilever
Lifting off crane cantilever
     
Lifting off crane cantilever
Lift off crane cantilever and place on the ground
on prepared wooden blocks
Lift off crane cantilever and place on the ground
on prepared wooden blocks
     
Connect each hook (two) from barge crane to pad
eye pair of the gantry
Connect each hook (two) from barge crane to pad
eye pair of the gantry
Apply tension to lifting crane
     
Apply tension to lifting crane
Cutting off travel boogies to gantry
Cutting off travel boogies to gantry
     
   
 
Liebherr gantry crane lifted off and place on barge (130ton)
 
 
 
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