floating drydock is a type of pontoon for dry docking ships, possessing floodable
buoyancy chambers and a "U"-shaped cross-section. The walls are used
to give the dry dock stability when the floor or deck is below the surface of
the water. When valves are opened, the chambers fill with water, causing the dry
dock to float lower in the water. The deck becomes submerged and this allows a
ship to be moved into position inside. When the water is pumped out of the chambers,
the dry dock rises and the ship is lifted out of the water on the rising deck,
allowing work to proceed on the ship's hull.
It is a non-self-propelled,
non-autonomous, metal two-tower floating dock. It is used for docking and repair
hull operations of combat boats, as well as small auxiliary vessels and boats.
Drydock PD-32 laid down at Kherson Shipyard, commissioned on 1979 .
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