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OFFSHORE

located under the bolted on jacket clamps which the ships. This is how global transport, logistics
had fitted previously. This was achieved by using and heavy engineering specialist Fagioli developed
the SPMTs own lift capacity and moved to the desi- a unique jack-up system for heavy-duty transport
gnated load out area for final fit out and preparation projects. This dynamic system working in combi-
for shipping. nation with SPMT fleet offered the suitable solution
When the specially fitted out Ro-Ro vessel docked with its limitless new possibilities for future load out
at the port side the process was repeated only operations.
this time the designated SPMT configuration The jack-up system was installed onto the deck of
employed the use of one of the most powerful the SPMT trailers and immediately demonstrated
Enerpac hydraulic jack up system ever used on an its full versatility with the transportation and load-
SPMT configuration with a combined 4 point lifting out operations of oversized offshore wind farm ja-
capacity of over 2,000 tons of lift capability – yet ckets with weights reaching over 1,800 tons and
another first for Fagioli. This was done to gain the heights of up to 80 meters. The jackets were safely
necessary lift to be able to place the Jackets into transported at the full height, then upon reaching
the ships specially fabricated loading positions, into the final set down position on the roll-on/roll-off
which the jacket legs were lowered and locked into vessel, the jackets are then safely lowered down
position for the sea journey. into the grillage.”
This process was repeated for a total of 86 The entire transport system was comprised of th-
successfully executed load out operations, that’s a ree main elements: 96 Axle Lines of self-propelled
total load out of 150,000.00 metric tons performed modular transporters with a combined payload
without any accidents, damage or mechanical capacity of 4,608 tons, an jack-up system with
failures. The biggest impediment faced by the four electronically synchronized lifting towers with
Fagioli team was tidal swell which dictated that a a capacity of 2,400 tons and specialized modular
significant number of load out operations were to transport beams fabricated by Fagioli, each with a
be performed at night and often in tropical weather 23 meters span in the standard format.
conditions which sometimes included monsoon These three elements each have the potential to
like conditions (Picture 4). be adjusted to suit the project requirements. The
The pre-planning aspect included detailed utilization of such a jack-up system configuration
engineering studies and fabrication of dedicated allows for a smooth and cost-effective roll-on
steel structures for the transport and load-out operation, as well as internal yard movements in
operations. compliance with the standard DNV-GL requirements
Thinking outside the box…..allowed us to discover for load-out projects. SPMT Configuration was
new concepts and to pursue innovative ideas, in used with both 3-Points of Hydraulic suspension,
order to accomplish the challenging task to move, or with 4-points in case higher level of stability
lift, rotate, assemble and transport the jackets onto was required. Lifting (Jack Up and Jack Down)

Pict. 4

36 Impiantistica Italiana - Marzo-Aprile 2023