Installation of central bridge section over Lérez River, Spain
ALE installed a 42m long central bridge section weighing 100te over the Lérez River in Pontevedra, Spain.
Services required: To carry out the transportation of the bridge to the installation site ALE took advantage of the rivers high tide and floated the section up the river with minimum current. To install the 42m section ALE used hydraulic craned to navigate the piece up the river and for the final lift of the span by to four cantilever structures which were installed at each end of the bridge approaches. Each structure was composed of steel beams and one hydraulic lifting unit with 70te capacity.