20

modifications available upon request
Minimum Depth: 6ft
Maximum Depth 44ft


Estimated General Measurements:
Length: 115 ft
Width: 27' - 6 '
Estimated Dry Weight: 365,000 lbs
Hull Depth: 5'
Estimated Mean Draft: TBD
Ladder Length: 55 ft

Hull: (Approximate Sizes)
Center Section: 48 ft x 11 ft - 6 in x 5 ft
Side Pontoons (overall): 94ft x 8 x 5 ft
Overall Size: 94 ft x 27 ft - 6 in x 5 ft
Hull Skin Thickness: 1/4 in
Watertight Bulkheads: Approximately every 10 ft
Testing: Every section of floatation is pressure tested for leaks before paint
Center hull enclosure: Center hull enclosed from back of the cab to the spud towers
Connections: Through hull and exterior

Paint: (Fabricated Items)
Hull Prep: Commercial Blast
Sides and bottom paint: Coal Tar Epoxy (Black)
Top: Mastic Epoxy with grit added (Grey)

Cab/ Enclosures/ Other
Prep: Commercial Blast or Phosphate wash
Primer: Epoxy primer
Paint: Polyurethane

Dredge Pump:
Pearce 20 x 20 x 46
20 inch suction
20 inch discharge
46 inch diameter Impeller

Dredge Engine Room:
Skin Material: 1/8 in, 3/16 in and 1/4 inch
Ventilation Louvers and Exhaust fans estimated quantity 3
Interior lighting engine room 12 volt
Workshop area: approximately 11 ft x 12 ft
Workshop area: lighting 110v with 12 volt emergency lighting
Access: Removable ceiling panels

Engine and transmission:
Engine: Caterpillar 1300hp
Power Trans: Twin disc Marine
Fuel Capacity: 2000 gal shared

Auxiliary:
Engine: CAT 500hp C13 Rated
Power Funk Hydraulic Drive
Fuel Capacity: 2000 gal shared

Cutter Type and Specifications:

Cutter Type: VOSTA TSC04 with 70 teeth
Size: 57.28" ID
Drive: SAI Hydraulic Planetary Drive
Speed: 0-25 rpm
HP: 200

Winches:
Swing: Pullmaster H-18 18,000lbs cap bare drums
Ladder Pullmaster M-18 18,000lbs cap bare drum
Spuds: Pullmaster H-18 18,000lbs cap bare drum with birds nest preventers

Spuds: (Cylinder Operated)
Diameter: 20”
Length: 55'’
Wall thickness: 5/8"

Hydraulic Systems
Winch system
Tank: 225 gallons shared (equipped with high temp/low level shutoffs)
Valves: Electro-Proportional
Pumps: Geartek gear pump
Motors: Pullmaster Motor
Contamination Protection: Pre-strainers, and 10 Micron Filters
System relief: All circuits set at 2500 psi

Fresh Water Pump
Tank: 160 gallons shared (equipped with high temp/low level shutoffs)
Valves: No valve variable displacement pump
Pumps: Oilgear variable displacement
Motors: Sun-Fab bent axis motor
Contamination Protection: Pre-strainers, and 10 Micron Filters
System relief: All circuits set at 2500 psi

Cutter head
Tank: 225 gallons NOT SHARED (equipped with high temp/low level shutoffs)
Valves: Electro-Proportional
Pumps: Hydrostatic Transmission
Motors: SAI radial piston
Contamination Protection: Pre-strainers, and 10 Micron Filters
System relief: All circuits set at 3200 psi

EVERY EFFORT IS MADE TO ENSURE THAT ALL STEEL HYDRAULIC LINES HAVE WELDED FITTINGS

Operator Cab
Extra Large operator cab 6 by 8 ft air-conditioned
Standard light package utilizes both 12 and 24 volt

110v/220v single electrical system:
24KW Generator belt driven by C-11
Cab AC and Heat

Instruments and Controls:
All hydraulic controls are electric joystick switch or pushbutton control.
4" discharge pressure gauge 0-160 psi 1pc
4" hydraulic pressure gauge 0-5000 psi 4pcs
4" packing pressure gauge 0-160 psi 1pc
4" Vacuum gauge
2" temp gauges hydraulic oil 2 pcs

Miscellaneous Items:
Manual
2-ton jib crane for pump service
Ladder sheave blocks
Swing winch snatch blocks
Chain handrail
Guarding
Fair lead
Suction Sleeve
Fire Extinguisher x 2

Upgraded Lighting Package:
4-400watt flood lights mounted on cab platform
2-400watt flood lights mounted in location specified by customer
LED option also available

Additional Options:
Dredgemaster Depth Indicator:
Dredgemaster Pump Speed Option:
Dredgemaster Production Control Valve:
Industrial grade operators seat with shock absorption and swivels (hinge style)
Anti- Fouling Bottom CoatingDredgemaster Depth Indicator:
Zinc Anodes
Oak planking strips
Upgrade to 12 inch Display

Miscellaneous Items:
Manual
2-ton jib crane for pump service with manual chain hoist
Ladder sheave blocks
Swing winch snatch blocks (hinge style)
Speed Rail Handrail including 2 gates
Guarding
Lift system for pump cleanout
Suction Sleeve
2"air release hand operated ball valve on discharge
Fire Extinguisher x 2
2 access platforms
2 3700 gph Bilge Pumps
4 110v outlets in cab