Floating platform shallow draft hull/deck mating

Details Floating platform shallow draft hull/deck mating Floating platform shallow draft hull/deck mating

1992-05-29

1993-08-24

Swinehart, Edwin L.

Ships

Floating platform

Multiple leg

405204, E02B 1700

Patent

active

052379493

ABSTRACT:
A method for building and assembling an offshore platform whose normal draft exceeds the depth of waterways between the building site and use location of the platform. The hull and deck of the platform are built separately in a shallow graving dock. The deck is then elevated, the graving dock partially flooded and the hull floated into position and mated to the deck. A modified form of the invention is the building of the hull and deck as a single structure and use of the barge to support a portion of the weight of the platform. The graving dock is then flooded to maximum depth, a barge is floated under the deck and ballasted down to a select draft. The barge is attached to the deck and then deballasted to partially support the platform structure and reduce its overall draft.

REFERENCES:
patent: 2598329 (1952-05-01), Wilson
patent: 4193714 (1980-03-01), Gjerde
patent: 4534678 (1985-09-01), Nakazato et al.
patent: 4629365 (1986-12-01), Kuriiwa

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