Page 61 - Industrial Plants 2014

equipped with four L180 ton strand jacks, to lift and
position into the water the 210 ton mobile barriers.
Transport and positioning of the A lifting beam named “fishing beam”, which would
frst four mobile gates be used to hook the mobile barrier, was hooked to
the four L180 ton strand jacks on the launching
After the installation of the caissons by means of the gantry system. The whole structure was moved
dedicated catamaran, Fagioli were awarded another onshore by means of 14 + 14 axle lines SPMTs
high-level engineering operation for the same (figure 25).
project: the installation of four mobile gates In the meantime a barge equipped with four sets of
connected to the huge caissons already installed in gantries that had been previously fixed, was
the lagoon, which will automatically lift during heavy maneuvered into position ready to receive the
rains and announced floods. convoy. Fagioli SPMTs executed the load out of the
Fagioli built a tailor made launching gantry structure whole system onto the barge (figure 26).
(figure 24) weighing 360 ton made of four towers A second set of SPMTs carried the mobile barrier
sections (top frames), two crosshead beams onto the barge. Then the barge left Marghera port

Fig. 23 - Rendering of caissons final positioning

Fig. 24 – Launching gantry structure Fig. 25 - Load out of the launching structure

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