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  2. Dry dock - Wikipedia

    en.wikipedia.org/wiki/Dry_dock

    A downside of floating dry docks is that unscheduled sinkings and off-design dives may take place, as with the Russian dock PD-50 in 2018. [ 21 ] The " Hughes Mining Barge ", or HMB-1, is a covered, floating drydock that is also submersible to support the secret transfer of a mechanical lifting device underneath the Glomar Explorer ship, as ...

  3. Slipway - Wikipedia

    en.wikipedia.org/wiki/Slipway

    Prior to the move the vessel's hull is coated with grease, which then allows the ship or boat to "slip" off the ramp and progress safely into the water. Slipways are used to launch (newly built) large ships, but can only dry-dock or repair smaller ships. Pulling large ships against the greased ramp would require too much force.

  4. Dock - Wikipedia

    en.wikipedia.org/wiki/Dock

    A floating dry dock (sometimes just floating dock) is a submersible structure which lifts ships out of the water to allow dry docking where no land-based facilities are available. Where the water level is not controlled berths may be: Floating, where there is always sufficient water to float the ship.

  5. Historic dry dock at Port of Brownsville retired - AOL

    www.aol.com/historic-dry-dock-port-brownsville...

    Jul. 16—A well-traveled floating dry dock built in the 1940s to service Navy vessels and relocated to the Port of Brownsville in the 1990s has been retired. The advanced base sectional dock ...

  6. Caisson (lock gate) - Wikipedia

    en.wikipedia.org/wiki/Caisson_(lock_gate)

    In this case, the roadway on top of the caisson, or its approach ramps, is lowered to fit beneath. [8] A further advantage of the floating caisson is that, unlike the hinged gate, it does not need space within the dock to allow it to swing. This increases the useful length within the dock, or may permit a smaller and cheaper dock to be ...

  7. Ferry slip - Wikipedia

    en.wikipedia.org/wiki/Ferry_slip

    Tug-propelled Dartmouth ferry barge with integral ramp at each end BC Ferries Dock seen from the ship about to dock. A ferry slip is a specialized docking facility that receives a ferryboat or train ferry. A similar structure called a barge slip receives a barge or car float that is used to carry wheeled vehicles across a body of water.

  8. Floating dock (jetty) - Wikipedia

    en.wikipedia.org/wiki/Floating_dock_(jetty)

    A floating dock, floating pier or floating jetty is a platform or ramp supported by pontoons. It is usually joined to the shore with a gangway. It is usually joined to the shore with a gangway. The pier is usually held in place by vertical poles referred to as pilings, which are embedded in the seafloor or by anchored cables . [ 1 ]

  9. Shiplift - Wikipedia

    en.wikipedia.org/wiki/Shiplift

    A shiplift is a modern alternative for a slipway, a floating dry dock or a graving dry dock. A shiplift is used to dry dock and launch ships. It consists of a structural platform that is lifted and lowered exactly vertically, synchronously by a number of hoists.

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