For stationing back onto the base structure devised for staying submerged in water, the DIR is pulled down by a system of double pulleys on the sides of the base structure, when also the DIR is in a position to be locked to the permanent base. The under-water basement houses electrical generators, a ‘power-source’ not to be destroyed by fire, and accessed at a level far above the ocean waters, through the top of a staircase-room erected from the basement.
Emergency Detachable Island Rig
2017-05-04
Patent
Elektronische Ressource
Englisch
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