1. GENERAL
Vessel type: Self-propelled trailing suction hopper dredger, double propulsion, double drag, single deck, bulb bow, double deadwood, round bilge, steel welded streamline hullOperating area: OffshoreDesign wave height: 2.0mAmbient temperature: -15℃ ~ 40℃Seawater temperature: 0℃ ~ 32℃Relative humidity: 90% ~ 95%Max current speed: 2m/secMax wind speed: 20m/secDredging material: silt, clay, medium density sandy clay, medium density fine sandSand condition: DN50=0.25mm medium density 2. MAIN PARTICULARS
Length overall (LOA): approx. 110.40mLength between perpendiculars (LPP): 100.60mBreadth moulded: 20.60mDepth moulded: 8.50mDesign draft: 5.50mWorking draft (dredging): 6.80mLoading displacement (dredging): 7922tDredging draft: 7.7mStructural draft load: 9696tMax dredging depth (unloaded): 27mCrew: 36 personsMain engine power: 2×3088KWService speed: 12knTonnage: 5968Hopper capacity: max. 7203m³Mud load: 7180.8t
3. POWER PLANT
Main propulsion engine (2 sets): Model GN8320ZC6B/7B, power 3088kW, speed 650rpm, light diesel oilDredging pump diesel engine (2 sets): Model G6300ZC16B, power 1470kW, speed 600rpm, light diesel oilWater jet pump diesel engine (2 sets): Model CW12V200ZC, power 1200kW, speed 1000rpm, light diesel oilMain diesel generator set (3 sets): Model CCFJ450J-M10, power 450kW, speed 1200rpm, light diesel oilEmergency diesel generator set (1 set): Model CCFJ120Y, power 120kW, speed 1500rpm, light diesel oil
Clear water flow capacity: 8000m³/hHead: 32mSpeed: 260r/minShaft power: 1200KWSuction pipe diameter: DN800mmDischarge Pipe diameter: DN750mm 5. WATER JET PUMP (2 sets)
Flow capacity: 3240m³/h per setHead: 100mSpeed: 980r/minShaft power: 1003KW per setSuction pipe diameter: DN500mmDischarge pipe diameter: DN400mm
6. DESIGN LOAD CAPACITY
Max diesel oil: 1140.6t (normal 500t)Max lubricating oil: 89.6t (normal 25t)Max fresh water: 237.5t (normal 180t)Spare Parts: 20tCrew and luggage: 5tProvisions: 3tSewage: 8tTotal loading: 7921.8t 7. DREDGING PERFORMANCE
Max dredging depth: 30m below waterline (unloaded, suction pipe 45° to horizontal)Hopper filling time: approx. 60 minutes (medium sandy clay, 30m depth, double drag operation)Discharging time: ≤5minMax hopper capacity: 7203m³
8. GENERAL PERFORMANCE
Trial sailing speed: 12kn (wind ≤ Beaufort 3, sea condition ≤ 2, deep water)Dredging speed: 6knEndurance: 60 daysSailing mode (24h/d, 12kn): fuel consumption 38.4t/d, lube oil 0.03t/d, fresh water 3.5t/d, sailing range 8000 nautical milesWorking mode (20h/d): fuel consumption 45.8t/d, lube oil 0.066t/d, fresh water 4t/d, continuous operation 25 daysNavigation: double propulsion, double rudder, parallel water jet PumpsArrangement: forecastle at bow, deck house at stern, five decks (forecastle deck, promenade deck, boat deck, navigation deck, compass deck)
Main Applications
Port Waterway Dredging, channel widening and deepening
Port construction, basin and berth dredging
Reclamation land creation, land formation projects
Coastal engineering, beach maintenance and remediation
River and lake silt cleaning, water environment improvement
Offshore Wind farm foundation trench and cable trench dredging
Sand mining and sediment transportation at sea
Emergency dredging for flood control and water conservancy projects
FAQ
Q1: What is the maximum dredging depth?
Max dredging depth is 27m (unloaded condition); up to 30m under ideal working conditions.
Q2: What is the hopper capacity?
Maximum hopper capacity is 7203m³, mud load 7180.8t.
Q3: What is the sailing speed and dredging speed?
Sailing speed: 12 knots; Dredging speed: 6 knots.
Q4: How long does it take to fill the hopper?
About 60 minutes under normal working conditions (medium sand clay, 30m depth, double drag).
Q5: How long does it take to discharge spoil?
Discharging time ≤ 5 minutes.
Q6: What is the endurance and working range?
Endurance: 60 days; Sailing range: 8000 nautical miles; Continuous working: 25 days.
Q7: What kind of soil can it dredge?
Silt, clay, medium density sandy clay, medium density fine sand.
Q8: What is the total displacement?
Total loading displacement: 7921.8 tons.
Q9: How many crew members?
Accommodation for 36 persons.
Q10: What is the main engine power?
Twin main engines, 2 × 3088 kW.
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