Vessel Name: Longyin-9
Classification: CCS * CSA Cable Layer
Ice Class B ; In-Water Survey ; SPS
DP-2;BWM(T)
Built:2023
Length overall: 155 m
Breadth: 23.2 m
Depth: 12.8 m
Draught: 5.6–7.2 m
Load displacement: 20,278 t
Deadweight capacity: 11,400 t
Dynamic positioning: Kongsberg
Speed: 10.5–12.5 knots
Endurance: 10,000 nautical miles
Accommodation: 90 persons
Main generator/propulsion power 2,250 kW, 3,600 kW, 2,500 kW, and 1,800 kW units
Cable tank capacity: 3,500 t
Outer diameter: 19 m
Inner core diameter: 3 m
Cable loading length: 5,800 km for LW17 mm cable
Cable loading length: 680 km for DA39.4 mm cable
Cable loading length: 186 km for 38 mm cable
Cable loading length: 750 km for 47 mm cable
Sealed workshop: 2,000 m²
Fresh water capacity: 1,000 m³
Jointing room: 130 m²
Testing room: 30 m²
RP storage tank: 443 m³
Marine cranes: 80 t and 5 t
Stern A-frame dynamic load: 800kN
Stern A-frame static load: 1,200kN
Maximum lifting height: 13 m
Inner width: 13 m
Maximum outboard span: 15.5 m
Large working ROV: operating at 3,000 m water depth
Module assembly / trench and burial equipment is listed for subsea work
MaKaiPlan: speed 60/120/180 m/min, cable diameter range 12–300 mm, rated power 350 kW
MaKaiLay: speed 60/120/180 m/min, cable diameter range 12–300 mm
MaKaiPlan Pro trailing and cutting buried plough: 700 hp,
burial depth 2.5–3.5 m, operating water depth 10–1,000 m
Jetting buried plough: 1,200 hp, burial depth 3–5 m, operating water depth 10–300 m
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