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As Main Sales Agent for AJB Dredge Co. Ltd.  We offer the following new building 20/18 Cutter Suction Dredger, Quotation No. MS9674/AJB.

General Description:  
  The Dredger is the Road Transportable type and is of robust construction, suitable for heavy duty and durable operations in tropical climates and in sheltered waters.  The size and weights of the various components permit transport by road, rail or ship.
Specification.  
Dimensions:  
  Overall length 40 Metres, Beam 7.2 Metres, Draught 1.3 Metres, Weight 120 Tonnes.
Pontoons:  
  The side pontoons are constructed from 8mm plate on the bottom, 6mm plate on the sides and top with frames at 500mm spacings.  Engine/Pump pontoon constructed from 8mm plate on the bottom, 6mm plate on the sides and top with 370mm x 370mm x 150Kgs RSJ main framework with frames at 500mm spacings.
Dredge Pump:  
  New Millmax sand and gravel pump 20/18, with an output of 4000 cubic metres per hour of dredged sand.
Engine Options: (Subject to availability)
  New Caterpillar 3508B mechanical injection engine producing 800HP @ 1400RPM.
  Or Fully Reconditioned by Caterpillar main agent with 6 months warranty, Caterpillar 3508B mechanical injection engine producing 800HP @ 1400RPM
  Auxilliary Engine fully rebuilt by Caterpillar main dealer, Type 3406C producing 261 Kw @ 1800RPM.
Winches:  
  2 x Warping winches fitted with 100 Metres capacity of 18mm wire rope winch drums with band brakes.  Line pull 8 Tonnes.  One Number 8 Tonne hydraulic winch for hoisting and lowering the Cutter Ladder.  Winches are fitted with full hydraulic variable control valves, servo operated from main control cabin.
Cutter Head:  
  Vosta LMG cutter head driven by Staffa HMHD8 400 motor delivering 20,000 newton metres of torque (70Kw) at 30RPM
Cutter Ladder:  
  Cutter Ladder constructed from 12.5mm plate monoqoque construction.  Dredge depth 18 Metres at 50 degree angle.
Hydraulic System:  
  Kawasaki variable and fixed displacement piston pumps.  Full return filtration.  250Bar maximum working pressure.
Spud Legs:  
  2 x Spud Legs 550mm diameter, 22mm wall thickness, 30 Metres long.  Spud legs are operated  by 1.5 Metre travel free standing hydraulic rams.
Cabin:  
  Modern control cabin, ergonomically designed, housing all controls for full operation of all dredging functions.  Fitted with air conditioning and 2 bunks for overnight watchmen.
Electrical System:  
  24 Volt earth return with 175 Amp alternator.  Full engine instruments, Oil and Water temperature/pressure alarms on engines.
Paint system:  
  Jotun marine grade two part epoxy paint applied internally and externally to all surfaces. All steel is shotblasted and primed.
Build Time:  
  23/24 Weeks plus 10 days for trials from receipt of order and first payment.
Trials:  
  Trials will be conducted at our yard at Skibbereen, Co, Cork, Ireland, which will include instruction on operation, maintenance and launching of the dredger.  The unit will be supplied with full engineering manuals for all major component parts along with detailed operation manual of the overall unit.
Warranty:  
  12 months on all new component parts and 6 Months on reconditioned caterpillar engine
Training:  
  Please note we Do Not Send Engineers to Nigeria
  Operator training will be given at our works at Skibbereen, Co, Cork, Ireland, which will include instruction on operation and maintenance of the dredger together with instruction on assembling and launching the dredger.
Guide Prices:  
  Dredger fitted with reconditioned Caterpillar engine.  GBP £745,000 Ex Works.

Dredger fitted with new Caterpillar engine.  GBP £765,000 Ex Works.

These prices are for the date  of the 18th January 2010.  Due to world price increases on engines and components caused by continual prices rises for oil we cannot hold these prices for more than 60 Days from 18.01.2010.

Payment Terms:  
  25 percent with order followed by two further payments of 25 percent each build progress stage payments.  The final payment to be made on completion of trials which will take place at Skibbereen, Co, Cork, Ireland.  We require an inspector to be appointed by the buyer to inspect the building progress and authorise the various stage payments.
Validity  
  Due to continual price rises from Caterpillar and other manufacturers, we must limit the validity of this quotation to 60 Days from 28.01.2010.
Please Note:  
  Do not ask for a greater dredge depth than you need as this adds a considerable amount to the cost of the dredger, due to the fact the pontoons have to be larger to support the extra weight, winches have to be larger, hydraulic power has to be increased to handle the extra weight.
  In order to save money on a quotation, please give us the following information.
  1,  Area of operation.
  2,  Maximum dredge depth.
  3,  Maximum distance for dredge spoil to be pumped.
  4,  Preferred make of engine, (Caterpillar engines are the most expensive, other makes can be cheaper and just as good).
  5,  We will be pleased to quote our best price for your specific requirements.

Click on line drawing for larger view.

Click on line drawing for larger view.

Unit under construction at Skibbereen works.                           Click on picture for larger image.

 

Dredger New Cutter Suction 18" Dredging equipment suitable for the Nigerian sand dredging industry Folio No. CSD18/600
 

New building AJB Dredge Co. "Beavercat 60/18" demountable cutter suction dredger designed for easy shipping
 

Dimensions:  Length overall with ladder raised 37m, length of pontoons 18m, draught 1m
Dredger pump: Warman 18/16 sand and gravel pump with maximum head of 40m, 18" suction, 16" discharge
Pump engine: New caterpillar 600hp at 1800 rpm with water cooling via box heat exchanger
Spud legs: 2 x walking spud legs, hydraulic operation from control cabin
Winches: 8 ton line pull hydraulic winches mounted forward of control cabin and controlled from cabin
Cutter head:  Closed nose bucket type cutter head driven by 100 hp radial piston hydraulic motor, delivering 25,000 Newton/metres of torque at 30 rpm
 Dredger depth: 8.5m
Output:  3000 cu.m of sand/water per hour.  Producing approximately 350 - 400 cu.m per hour of sand depending on depth, type of sand, sill of the  operator and distance pump
Control cabin: Modern control cabin with leaning forward windscreen and sliding door, air conditioning available at extra cost
Building time: 18/20 weeks from receipt of order and first payment, building time based on delivery times quoted by engine and pump manufacturers
Terms: 25% with order, 25% when pontoons and control cabin are built, 25% when engine and dredge pump are ready for delivery, 25% on completion of trials
Pipeline: Plastic with coupling flanges is available at extra cost
Price: Contact us for Pricing
   
   

New Cutter Suction 14" Dredger Folio No. CSD14/535
 

New building AJB Dredge Co. "Beavercat 60/14" demountable cutter suction dredger designed for easy shipping, welded steel plate construction of 10mm thick with RSJ deck beams and internal bracing, all steelwork shot blasted inside and out, and finished in two part epoxy paint system
 

Dimensions:  Length overall with ladder raised 37m, length of pontoons 18m, beam 7m, draught 1m
Dredger pump: Warman 14/12 sand/gravel pump with max. head of 40m, 14" suction, 14" discharge
Pump engine: Kelvin TBSC8 marine engine of 533hp at 1350 rpm with water cooling via box cooler heat exchanger
Spud legs: 2  x  walking spud legs hydraulically operated from the control cabin
Winches: 2 x 8 ton line pull hydraulic winches mounted forward, controlled from the control cabin
Cutter head:  Closed nose bucket cutter head driven by 80hp hydraulic 5 piston radial motor, delivering 25,000 Newton/metres of torque at 30 rpm
 Dredger depth: 8.5 metres greater depth available at extra cost
Output: Approximately 2500 cu.m per hour of water and sand producing approximately 250 - 300 cu.m per hour of sand depending on depth type of sand, skill of the operator and distance pumped
Control cabin: Modern control cabin with leaning forward windscreen and sliding door, air conditioning available at extra cost
Building time: 20/22 weeks fro receipt of order and first payment building time is based on delivery times quoted by engine and pump manufacturers
Terms: 25% with order, 25% when pontoons and control cabin are built, 25% when engine and dredge pump are ready for delivery, 25% on completion of trials
Pipeline: Plastic pipeline with coupling flanges is available at extra cost
Price: Contact us for Pricing
   
New Cutter Suction 6" Dredger Folio No. CSD40/6
 
New building AJB Dredge Co. "Beavercat 40/6" demountable cutter suction dredger designed for easy shipping
 
Dimensions:  Length 11.98m, beam 3.4m, draught max. 0.61m
Dredger pump: New Warman 8/6 sand and gravel pump with 152mm discharge 200mm suction
Pump engine:  220hp box cooler heat exchanger water cooled diesel engine (reconditioned) new available at extra cost
Spud legs: 2 x walking spud legs hydraulically controlled from control cabin leg length 13m for 8.5m water depth
Winches: 2 x hydraulic winches mounted forward controlled from cabin
Cutter head:  Closed nose basket type cutter head suitable for sand and gravel driven by 40hp at 30 rpm hydraulic 5 piston radial motor with water lubricated cutlass bearing full hydraulic control from cabin dredge depth 8.5m
Output: Approximately 400 cu.m per hour of water and sand, producing approximately 50 - 70 cu.m per hour of sand depending on depth, type of sand, skill of the operator and distance pumped
Control cabin:  Modern control cabin with leaning forward windscreen and sliding door, air conditioning available at extra cost
Building time: 18/20 weeks from receipt of order and first payment, building time is based on delivery times quoted by engine and pump manufacturers
Terms: 25% with order, 25% when pontoons and control cabin are built, 25% when engine and dredge pump are ready for delivery, 25% on completion of trials
Pipeline:  Plastic dredger pipeline 6.25" bore in 12m length with coupling flanges, available at extra cost
Price: Contact us for Pricing
   
New Cutter Suction 8" Dredger Folio No. CSD40/8
 
New building A.J.B Dredge Co. Beavercat 40/8" demountable cutter suction dredger for easy shipping
 
Dimensions:  Length 11.98m, beam 3.4m, draught max. 0.61m
Dredger pump: New Warman 8/10 sand and gravel pump 200mm discharge, 250mm suction
Pump engine: 260hp box heat exchanger cooled diesel engine (reconditioned) new available at extra cost
Spud legs: 2 x walking spud legs on sliding carriage hydraulically operated for the control cabin, spud leg length 13m for 8.5m water depth
Winches:  2 x hydraulic winches mounted forward operated from control cabin
Cutter head:  Closed nose basket type cutter head driven by 42hp hydraulic radial 5 piston motor delivering 10,000 Newton/metres of torque, water lubricated cutlass type bearing, full hydraulic control from cabin
 Dredger depth: 8.5m
Output: Approximately 700 cu.m per hour of water and sand, producing approximately 100 - 150 cu.m per hour of sand depending on depth, type of sand, skill of the operator and distance pumped
Control cabin: Modern control cabin with leaning forward windscreen and sliding door, air conditioning available at extra cost
Building time: 18/20 weeks from receipt of order and first payment, building time based on delivery times quoted by engine and pump manufacturers
Terms: 25% with order, 25% when pontoons and control cabin are built, 25% when engine and dredge pump are ready for delivery, 25% on completion of trials
Pipeline: Plastic dredger pipeline 8.5" bore in 12m lengths with coupling flanges available at extra cost
Price: Contact us for Pricing
   

 12" High Pressure Jethead Suction Dredger under construction for UK gravel raising company, April 2006.  Click on image to enlarge and print.
 
 

  Line drawing. Click on image to enlarge and print
  This image is of a 16" dredger built in 1988 for a client. The photo was taken 2006 as an example
of what a dredger will look like on completion and in use.  Click on image to enlarge and print
  Click on image to enlarge and print

All details without guarantee, offer without engagement, offered subject to remaining available/unsold/unchartered