Caption: Final sponson
lift--these flight deck extensions give aircraft carriers their unique profile and create large deck area.
Adding hatch holders is a good idea and turning the sponsons
into auxiliary tanks is another option.
Once the ship was vertical, water-filled sponsons
were attached to the starboard side as well.
Passengers got from the dock to the plane's door via one of two sponsons
, wing-like attachments on the plane's sides that acted as gangplanks and stabilizers.
Over the past week, salvagers have slowly lifted the 114,500-tonne ship from underwater platforms by pumping air into 30 large metal boxes, or sponsons
, attached to the hull.
Thirty tanks or 'sponsons
' that have been welded to the sides will work as a pneumatic system to raise it.
In what has become one of the largest salvage operations in history, air was pumped into 30 large metal boxes, or sponsons
, attached around the hull of the 114,500 tonne ship.
Air will slowly be pumped into 30 tanks or "sponsons
" attached to both sides of the 290-metre Concordia to expel the water inside and raise the ship.
Authorities have filled up some 30 giant hallowed steel tanks or "sponsons
" with water and then fitted on the two sides of the ship.
Once the rollover is completed, workers will weld more tanks or "sponsons
" onto the side of the ship that is currently under water.
The GTAs are located in sponsons
under each of the ship's two islands--in a position higher in the vessel than previous aircraft carrier designs.
For the contract with Diamond Offshore on the Ocean Patriot, Keppel FELS will undertake the fabrication and installation of four 24-foot diameter stability columns and new lower hull inboard pontoon sponsons
as well as upgrade the living quarters.