Dredger 1800 by By URAL GYDROMECHANICAL PLANT, CJSC

Dredger 1800 by By URAL GYDROMECHANICAL PLANT, CJSC

1800 Dredging installation Dredge pump type AH, AHR, HH, L, LR, M, SP, SPR, ZGB, ZGBP Pump flow 1800 cbm/h Pump capacity on dry soil 360 t/h Pump slurry head 70 m Maximum dredging depth 7 m - 25 m Slurry transportation distance 1200 m Suction / discharge pipe diameter 18 in

Dredger main body characteristics Suction ladder length 12 m - 30 m Board height 1,5 m

Minimum steel thickness of dredger hull Central pontoon

• side, deck, bulkheads S = 10 mm
• bottom S = 12 mm
• transom S = 16 mm Side pontoon
• bottom S = 8 mm
• side, deck, bulkheads S = 6 mm

Dredging pump drive - diesel engine Engine brand Russian origin or Caterpillar, MAN, Cummins, Weichai Engine power

• minimal 280 kWt (381 h.p.)
• optimal 400 kWt (544 h.p.)
• maximal 520 kWt (707 h.p.) Gearbox hydraulic Fuel tank capacity 6 cbm

Diesel power station Engine brand installed Russian origin or any on demand Power station capacity

• minimal 100 kWt
• optimal 200 kWt
• maximal 300 kWt Fuel tank capacity 4 cbm

Hydraulic auxiliary engine Engine brand installed Russian origin or any on demand Hydraulic station diesel engine capacity

• minimal 100 kWt
• optimal 200 kWt
• maximal 300 kWt Fuel tank capacity 2 cbm

Ladder winch Rated pull 100 KN (9,6 t) Rope speed 18-35 m/min Wire rope capacity 150 m

Swing and spud winches - 4 pcs Rated pull 20 KN (2,0 t) Rope speed 18-35 m/min Wire rope capacity 150 m

Soil milling equipment types and parameters

1. Waterjet Water head 60 m Water capacity 500 cbm/h
2. Cutter Diameter 1,2 m Hydraulic motor power 250 kWt

Auxiliary water pump Water head 50 m Water capacity 100 cbm/h

Onboard slurry pipeline fittings Check hatch before slurry pump Flexible suction corrugated tube 1 pcs Turning stern device rubber cloth Rubber expansion joint for slurry pump 2 pcs

Installed dredging systems and vessel equipment Counter-landslide setup YES Slurry pump rinsing system YES Outboard boxcooler Double-circuit Ejector nozzle for waterjet milling YES Improved assembly YES Machine room ventilation extract and input Side pontoons drainage system YES Machine room drainage system YES Fire extinguishing system YES

Electrical equipment Electric rack 1 Dredger control panel 2 pcs Machine room light points 4 Outside spotlights qt. 2

Optional equipment Electric version dredger with electric driven motors, engines and equipment Dredging efficiency control system Video surveillance system Alarm and equipment malfunction warning system Digital equipment state monitoring system Consistent equipment work automatization Deck crane Piling spuds Electric based drives Ergonomic operator's seat Strengthened hull from marine steel Anticorrosive hull coating from polyurethane