CUTTER SUCTION CUTTER SUCTION DREDGESDREDGES

HYPACK 2013HYPACK 2013

Screen Capture of Working Cutter-Suction DredgeScreen Capture of Working Cutter-Suction Dredge

Cutter Suction DredgesCutter Suction DredgesInclinometerInclinometer

Water LevelWater Level

Chart DatumChart Datum

Channel Design DepthChannel Design Depth

Channel Design OverdepthChannel Design Overdepth

SpudSpud

Ladder ArmLadder Arm

Cutter HeadCutter Head

TrunnionTrunnion

• Position (GPS)Position (GPS)

• Orientation (Gyro, GPS)Orientation (Gyro, GPS)

• Inclination of LadderInclination of Ladder

• Tide & DraftTide & Draft

Cutter Suction ConfigurationCutter Suction Configuration

Needed:Needed: Dredge PositionDredge Position Cutter Head Cutter Head PositionPosition DredgeDredge Orientation Orientation Cutter Cutter Head DepthHead Depth

Mobile = MainMobile = Main Mobile = Digging ToolMobile = Digging Tool

ConfigurationConfiguration

• Add the GPS.DLL to your ‘Boat’ mobile.

• Create a 2nd mobile and name it ‘Cutter’.

• Add the Inclinometer.DLL to the 2nd mobile.

• For swing-ladder dredges, add the HD25A.DLL to the 2nd mobile.

Zimwit Dredging

Inclinometer CalibrationIn HYPACK HARDWARE:• Click on the Inclinometer

device.• Click on the Setup button.• Select the Inclinometer Type.• Enter the length of the ladder

arm, from trunnion to the digging tool.

• Enter the radius of the cutter head.

In HYPACK SURVEY:• Set the cutter head on the

water surface.• In the Inclinometer driver

window, click the ‘Calibrate’ button.

• Lower the cutter head to a known depth and compare it with the depth shown in the SURVEY program.

Swing ladder optional HD25ASwing ladder optional HD25A (Only for cutter suction dredges that have a ladder arm that can swing left-right from the center.)

In HYPACK HARDWARE:• Click on the HD25A device.• Click on the Setup button.• Position your ladder in its

center position.• Enter 0 (zero) in the Angle

field• Click the angle button.• Move the ladder left or right

to its full range of motion and return to the 0 (zero) position.

• Check your calibration.• Repeat as necessary.

CUTTER.DLLCUTTER.DLLOptional Graphics Display for Cutter Suction DredgesOptional Graphics Display for Cutter Suction Dredges

Setup of CUTTER.DLL

Arm_prof.shp Cutter1.shp Body_prof.shp

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shp

Arm

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Assign ‘CUTTER.DLL’ to mobile assigned to digging tool.