1 TECHNICAL SPECIFICATION OF 10 INCH CUTTER SUCTION DREDGER Ser Description Required Specification Remarks China Qingzhou JuLong ISO Certified A Manufacturer Dredging & Mining Enterprise Machinery Co., Ltd B Brand JuLong Registered Brand C Make and Model JLCSD-250 D Dredger Unit 1. Dredger Type Cutter suction dredger 2. Principle Dimensions (1) Length overall 26.0 m (2) Breadth 5.4 m (3) Depth 1.6 m (4) Draft Loaded 1.1 m (5) Dredging Depth 10.0 m (6) Diameter of Suction Pipe 300 mm (7) Diameter of Discharge Pipe 300 mm (8) Discharge Distance 1000 m (9) Water Flow 1200m3/hr (10) Capacity 200-250 m3/hr (11) Total Installed Power 540kw JiChai 3. Main Pontoon (1) Length 11.5 m (2) Width 2.2 m (3) Depth 1.6 m (4) Plate Thickness- Sides 6 mm (5) Plate Thickness- Front and Rear Sides 14 mm, 8 mm CCSB (China Classification Society Standard) Steel Plate CCSB Steel Plate (6) Plate Thickness- Deck 5 mm CCSB Steel Plate (7) Plate Thickness- Bottom 8 mm CCSB Steel Plate 4. Side Pontoons (1) Length 19m (2) Width 1.6m (3) Depth 1.6m (4) Plate Thickness- Sides 6mm CCSB Steel Plate (5) Plate Thickness- Deck 5mm CCSB Steel Plate (6) Plate Thickness- Bottom 6mm CCSB Steel Plate
2 5. Dredging Pump (1) Made SHIJIAZHUANG PUMP GROUP (2) Model 300/250G-G (3) Head 40-65m (4) Speed 500 650 r/min (5) Efficiency 70% (6) NPSHR <4m (7) Particle Clearance 220mm (8) Water Flow 1200 m3/hr 6. Main Engine (1) Manufacturer JiChai Equipped in engine room Australia Warman Technology, Best Pump in China (2) Model 6190Z l C z (3) Rated Power with RPM 540KW @ 1200 RPM (4) Amount 1 set 7. Gear Box (1) Manufacturers Zhejiang Xiaoshan (2) Model Marine Gearbox (3) Speed Reducing Ratio 2:1 Sensors are equipped (4) Amount 1 set 8. Cutter Alloy material (1) Type Crown or equivalent (2) wearing parts on cutting Replaceable Alloy Teeth edges (3) Driver Hydraulic Motor (4) Diameter 1000mm (5) Cutter Shaft Power 70kw (6) Cutting Speed in rpm 0-30 (7) Amount of Blades Teeth 20 pieces 9. Ladder Winch (1) Line Pull - Second Layer 60 KN (2) Line Speed - Second Layer 0-20m/min (3) Wire Size Φ18mm (4) Driver Hydraulic Motor 10. Swing Winch (1) Line Pull - Second Layer 40 KN (2) Line Speed - Second Layer 0-20m/min
3 (3) Wire Size Φ18mm (4) Driver Hydraulic Motor 11. Spuds (1) Amount 2 (2) Dia. 377 mm (3) Thickness 16 mm (4) Length 16 m (5) Material 16 Mn (6) Drive Hydraulic Ram 12. Spud Hydraulic Ram (1) Cylinder travel 2.0 m (2) Core diameter cylinder 125 mm (3) Working pressure 10 MPa (4) Wire Size Φ20 mm 13. Operating Cabin (1) Main Item PLC Control Desk Siemens PLC (2) Air Condition 1 set (3) Adjustable Chair Leather, adjustable (4) Operation and Control Indicators, lights, buttons 1 set Equipped on the control desk (5) Others Provided for purchase s requirement 14. Hydraulic System Hydraulic system of proven design & reputed make to be used for operation of winches, cutter, spuds etc. All components are to be of proven design for trouble free operation. Hydraulic Pumps are "Gear Type" & driven through separate gear box fitted at free end of Engine. 15. Fuel Oil Transfer Pump Electric motor driven pump is to be provided 16. Tanks Fuel oil tanks, water ballast tanks, fresh water tank and dry tanks are to be provided. 17. Anchors and Wire Ropes Anchors: 2 Nos. @ 160kg Side winch wire (fitting): Minimum 100 m on each side. Necessary wires, gantry wires, spud slings, spud hoisting wires, mooring ropes etc. to be supplied and fitted with dredger. 18. Painting As per standard. Colors are to be approved by the Buyer. 19. Auxiliary Generator Supplying Power for (1) Make & Model Shanghai battery charging, fuel Qianghui transfer pump, lighting,
4 (2) Power 30kw operation of one welding (3) Voltage 220/380v machine, air condition, bilge pump and other (4) Amount 1 set electric equipment. 20. Deck Generator Set (1) Make and Model Weichai Huafeng When in emergency condition, the deck (2) Power 30kw generator will start to (3) Voltage 220/380v supply power. (4) Amount 1 set 21. Lights 22. Portable Bilge Pump 23. Signal Mast 24. Cathodic Protection 25. Safety equipment 26. Training Deck Lights: 1 unit 500 watt IP 65 Halogen armature mounted on the ladder lift gantry 4 units 500 watt IP 65 Halogen armature mounted on the control cabin roof 2 units 500 watt IP 65 Halogen armature mounted on a light pole on the engine room Engine Room Lights: 6 units FL armature IP 562*20 watts divided over engine room area. Operating Cabin Lights: 2 units FL armature IP 232 20 watts Used to be discharge dirty water in the bottom of pontoons. Driven by electricity Signal lamps, search light, flood light, etc required for navigation is to be provided. Sufficient amount of anodes to be placed on under water hull and ladder for a period of 2 years in salt water. Life jackets, life buoys, fire extinguishers(2 sets) to be provided Basic training on operation and maintenance to 3-4 operators r will be supplied.
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