WD Mersey
Trailing Suction Hopper Dredger
FEATURES
- Highly manoeuvrable with twin screw & bow thrust operation
- Highly efficient inboard pump system
- Large hopper volume and carrying capacity for silt / sand
- Advanced mooring system by hydraulic winches on fore and aft deck
- Highly efficient draghead with high pressure water jetting facility
- Hopper jetting & flushing with high pressure
- Pump degassing capability for improved operation in maintenance silts and organic deposits
- Latest technology dredge and discharge pump monitoring system
- Dredging up to 15 miles offshore
MAIN DATA
| Built by | Achille Lucchese (IHC), Venice |
| Year of construction | 1984 |
| Classification | Class VIII – MCA |
| Tonnage | Approx. 1,595 GRT |
| Length overall | 67.62m |
| Width | 13.0m |
| Moulded depth | 6.30m |
| Draught empty (average) | 3.2m |
| Draught loaded | 5.95m |
| Carrying capacity | Approx. 3,000 tons |
| Hopper capacity | 1,826m3 |
| Suction pipe diameter | 1 x 0.7m |
| Dredging depth | 28.00m |
| Discharge system | Bottom doors / pump ashore |
| Sailing speed | 10 knots |
| Total installed power | 4,012 kW |
| Sailing | 2 x 930kW |
| Dredge pump output trailing | 930kW |
| Dredge pump output discharging | 930kW |
| Jet pump output | 780kW |
| Bow thruster / propeller | 150kW |