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Semi-submersible Oil Rig at DAEWOO SHIPBUILDING AND MARINE ENGINEERING
A semi-submersible oil rig under construction (new building) was flooded at DSME shipyard towards the end of December. The Korea Salvage was summoned by DSME to refloat the oil rig. Our salvage team immediately conducted an underwater survey and accordingly created a refloating plan in cooperation with DSME. For a duration of 12 days, our salvage team provided experienced divers and diving equipments, work vessel for divers, welders and cutters with their equipments to DSME. As a result, the oil rig successfully refloated and stabilized.
 
     
     
     
     

FLOATING DOCK "RD-1" at DAEWOO SHIPBUILDING AND MARINE ENGINEERING

The oldest floating dock at DSME shipyard, known as "RD-1" sank completely to the sea bottom towards the end of October 2013. Refloating it was not possible with normal operating procedures. The Korea Salvage was summoned to salvage the floating dock. Our salvage team immediately an underwater survey and accordingly created a salvage plan. For the initial seven days, our team prepared and connected various pumps, hoses, and flanges onto the floating dock. Also, we checked the condition of vents, vlaves and manholes and optimized their condition for water egress. After seven days of preparation, our team spent two additional days to pump out water from BWTs, and the floating dock slowly appeared out of the water. Our team took an addtional two days for the stabiization procedure and successfully delivered the floating dock to DSME.

 
     
     
     

M/V FU SHENG HAI
The vessel grounded on to the south of Saengdo, an island to the south of Busan, Korea on the 2 July 2013, and broke into two sections on the morning of 6 July 2013. Our work scope was to unload entire cargoes from C/H 5, 6, and 7. We started with C/H No. 6, then No. 7, and finished with No. 5. C/H No. 6 was storing plywood, general steel, rubber ring. Stored in the C/H No. 7 were plywood and HRC. C/H No. 5 also had plywood and HRC. To prepare for cargo unloading, we prepared several tugs, bargeds with crawler cranes, payloaders, passenger boat, etc. Upon successful completion of cargo unloading, salved cargoes were delivered to the main contractor, the Nippon Salvage Co.
     
     
     

DCM BARGE "SEOK JEONG NO. 36"
        With twelve human casualties, D.C.M Barge "Seok Jeong No.36"(G.T:2,601) which was rebuilt from floating pile drive barge was sunken completely in 20m of water depth at Ulsan North Port Construction Site, Korea due to a sudden fall of deck structure(1,200ton x 85m).
For the refloating of the barge, 1,200 Tons of deck structure was lifted first by a 1,500ton sheerleg, and hull was refloated by securing her buoyancy through pumping seawater out from BWTs, supplying compressed air into seriously damaged BWTs and the lifting support of two sheerlegs(2,200ton & 600ton) at fore and aft section each.