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A dry dock (sometimes drydock or dry-dock) is a narrow basin or vessel that can be flooded to allow a load to be floated in, then drained to allow that load to come to rest on a dry platform. Dry docks are used for the construction, maintenance, and repair of ships, boats, and other watercraft.
An auxiliary floating drydock is a type of US Navy auxiliary floating dry dock. Floating dry docks are able to submerge underwater and to be placed under a ship in need of repair below the water line. Water is then pumped out of the floating dry dock, raising the ship out of the water.
List of dry docks. This is a list of the largest dry docks in the world, including excavated and floating docks. Yard. Country. City. Dock name. L (m)
Seamanship knowledge and experience is an integral part of Dry-docking. This includes careful planning (of all jobs, tasks and repairs), adequate preparations (eg or painting), dry-docking calculations (primarily stability and upthrust), safety within the dry-dock and checks upon departure (eg plugs returned and sealed).
Shippingport (ARDM-4) is an ARDM-4-class United States Navy Medium Auxiliary Repair Dry Dock. She is one of the Navy's two medium auxiliary repair dry docks, and was the first floating dry dock built for the US Navy since World War II.
The drydock can accommodate a maximum vessel length of 291.6 feet (88.9 m) with a 39.33-foot (11.99 m) beam. Depth is 30 feet (9.1 m). the dock can be dewatered in 40 minutes and flooded in 90 minutes. The drydock was built between 1827 and 1834, and cost $974,365.65, a very high price at that time.
The shipyard has grown to four dry docks, which are mainly used for repairing and maintaining nuclear submarines. The shipyard has about 5,800 civilian employees and 500 military personnel. [6]
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. Therefore, for dry-docking large ships, one must use carriages supported by wheels or by roller-pallets.
Arco (ARDM-5) is an ARDM-5 -class Medium Auxiliary floating drydock for repair and serviced the United States Navy . Arco was laid down on 9 May 1983 by Todd Pacific Shipyards in Seattle, Washington, and launched on 14 December 1984. She was placed in service on 23 June 1986 at Naval Base San Diego.
Hellevoetsluis Dry Dock is a historic double dry dock in Hellevoetsluis, Netherlands. It was constructed between 1798 and 1822 under the direction of Jan Blanken , and was part of the former Rijkswerf Hellevoetsluis.