Technical Details
| Principal Dimensions and Characteristics |
| |
Length Over All: |
14.54 m
|
47.7 feet |
| |
Width: |
3.43 m |
11.25 feet |
| |
Height: |
2.77 m
|
9.10 feet |
| |
Draft Max: |
0.91 m |
3 feet |
| |
Weight: |
38,000 |
| |
Flotation Pontoons:
|
| |
Four (4) Pontoons: |
1.01 x 1.22 x 5.09 m |
3.3 x 4 x 16.7 feet |
| |
|
12 Ga steel sides with 10 Ga bottom |
| |
Displacement: |
49,000 |
| Working Capacity |
| |
Working Depth: |
6.71 m |
22 feet |
| |
Motor: |
| |
Make/Model: |
Toshiba |
| |
Power @ 900 - 2,200 RPM |
261 kW |
350 hp |
| |
Drive: |
| |
Make/Model: |
Toshiba |
| |
350 hp Variable frequency, NEMA 3R, 3-phase, 460 VAC 400A w/ Line Reactor |
| |
Auxiliary Service: |
Single phase, 460 VAC 20A |
| Hydraulic Systems |
| |
Hydraulic reservoir: |
2 @ 120 gallons each, pressure charged (3psi) |
| |
Dredge Pump circuit: |
Open loop LS System pressure 3,000psi. |
| |
|
Pumps: 1 axle piston (100cc), & 1 gear (6.93 cin). Max flow |
| |
|
115 gpm @ 2,200 RPM. |
| |
Cutterhead Circuit: |
Closed loop LS hydrostat. System pressure 3,500psi. Pump: |
| |
|
axial piston (56cc). Flow 31gpm @ 2,200 RPM. |
| |
Auxiliary circuit: |
Open loop LS System pressure 3,000psi. |
| |
(3-winch system hoist & water cannon): |
Pump: axial piston (100cc). Flow 55 gpm @ 2,200 RPM. |
| |
Hydraulic system media: |
SAE 30 Motor Oil. Shell Rotella T-30. |
| Cutterhead |
| |
Double Rotor (Diameter): |
1,321 mm |
52 inches |
| |
Drive: |
Single axial piston LSHT hydraulic motor nested in dry chamber. |
| |
|
Rotor shaft is supported by 2 spherical bearings for added |
| |
|
axial load capacity (10K). |
| |
Speed: |
Variable to 25 RPM |
| |
Torque: |
140,000 in-lbs. |
| |
Cutterhead Ladder: |
Tubular design. 18 in. (mm) diameter with discharge hose |
| |
(Boom) |
(10 in. (mm) diameter) inside. |
| Dredge Pump |
| |
Make/Model: |
Georgia iron works / LCC-M 200-610 |
| |
Discharge Diameter: |
203.2 mm |
8 inches |
| |
Suction Diameter: |
254 mm |
10 inches |
| |
Impeller Diameter: |
609.6 mm |
24 inches |
| |
Sphere Passage: |
109.2 mm |
4.3 inches |
| |
Pump Performance: |
4,000 gpm @ 180 ft. TDH (water) @ 1,000 RPM, 83% effiency. |
| Controls |
| |
Allen Bradley SLC 5/03, joystick/momentary switch controls are provided in heated, air conditioned cab. |
| Propulsion |
| |
3-winch system for swing dredging and/or swing-translational travel. system incorporates automatic tension |
| |
control. Can be over-ridden for manual adjustments and/or operation. |
| Electrical System |
| |
Main 3-phase 460 VAC, 400 A. |
| |
Auxiliary supply 1-phase, 460 VAC, 20 A. |
| |
Auxiliary systems: 120 VAC |
| |
PLC/Control system: 24 VDC. |
| Water Cannon |
| |
Pump: Cornell centrifugal 2.5" x 2". Water flow 250 gpm. water pressure 00psi. System is equipped with hard |
| |
primer and foot valve. |
| |
Water Cannon is equipped with servo-monitor with 150 deg. vertical and 180 deg. horizontal travel. Max. jet |
| |
reach is approx. 150'. |
| |
System is controlled from the cab - with momentary switches and PLC touch-screen. |
Hydraulic Dredges