Jacking and skidding of a portainer crane, Argentina

Overview:

ALE has jacked-up and skidded a portainer crane in a port terminal of Buenos Aires, Argentina, in order to repair the crane legs.

 

Services Required:

The crane legs, which weighed 165t each and measured 32m long, 26m wide and 80m high,  had suffered storm damage where the linking pins had broken. This put the whole structure at risk and blocked the quay, preventing operations and thus needed to be repaired and the bogie repositioned.

 

Four hydraulic jacks of 140t capacity were assembled onto four modular masts inside each sea side leg. Once the load has been transferred, both legs were lifted until they reached the necessary height required for the repair work and rigging to be carried out.

 

Once the legs were repaired, the crane, which weighed 1,100t and measured 32m long, 26m wide and 80m high, needed to be moved to the parking area in order to free space and allow the quay operations to continue. To do this, ALE skidded the sea side legs using six skidding lines mounted onto the crane legs, comprising of two 90t hydraulic jacks assembled on double skids. The portainer crane was skidded on composite beams 500m high, levelled with sleeper beams and firm sand.

 

The land side legs were then mounted onto four skidding lines comprising of two 90t double skids and skidded on ramps levelled with sleeper beams.

 

All of the crane’s legs were skidded 100m and it took a total of three days to complete the entire project.

 

 

 

 

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  • Jacking and skidding of a portainer crane, Argentina

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