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Primary, North American cranes (3) on starboard quarter, main deck and on port side, 02 level. Morgan Marine cranes (2), normally on foredeck and at other locations to suit mission. Fritz-Culver A-frame at stern, retractable hydroboom on starboard side by staging bay door. Blue Extension crane on starboard 01 aft of rescue boat davit.
The Hermod had two cranes at the stern. Originally the starboard-side crane was rated at 3,000 short tons (2,700 t) and the port-side at 2,000 short tons (1,800 t). [4] In 1984, the lifting capacities were upgraded to 5,000 and 4,000 short tons (4,500 and 3,600 t) respectively. [1] The main hoist could lift 92 m (302 ft) above the work deck.
After straddling the payload, Pioneering Spirit takes on ballast to lower, and two sets of eight (one set per bow) retractable motion-compensated horizontal lifting beams are extended under the payload. Once the load is secure, the vessel offloads the ballast, rising in the water and partially transferring the load to the beams.
The class is based on a frigate-like design, but built with an internal multipurpose deck (flex deck) and a stern vehicle ramp.The ships can serve as command platforms for a staff of 75 persons (naval or joint staff) with a containerized command and control centre, transport and base of operations for a company-sized landing force of some 200 soldiers with vehicles.
Taisun lifts the 17,100-ton deck box of the Scarabeo 9 semi-submersible. Taisun ( Chinese : 泰山 ; pinyin : tàishān ; Taishan ) is a gantry crane with a safe working load of 20,000 metric tons (22,046 short tons). [ 1 ]
Alternatively, the flex deck can be used for mine-laying operations with a capacity of some 300 mines, or be fitted out for mine-clearing operations and launch and recover mine detecting and clearing equipment via a retractable gantry crane, adjacent to the stern vehicle ramp, which also is used for launching and recovering the fast landing craft.
A break-action crane (with a capacity of 3 tons) is installed at the front end of the observation deck, and a retractable gallows is installed in front of the starboard side and at the stern. At the rear, there is an electromagnetic ocean current meter, a magnetometer , a hoisting machine such as a water temperature recorder, and a water ...
The 2nd Auxiliary hook can be deployed to a water depth of 450 m. The two cranes are capable of a tandem lift of 14,000 tonnes. Each crane was fitted with 15,600 hp (11,630 kW) engines to power the boom and load hoists, 9 tugger lines and the crane slewing system. The cranes use 48 miles (77 km) of wire rope of various diameters.
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