1. CUTTER SUCTION DREDGES
HYPACK 2013

2. Screen Capture of Working Cutter-Suction Dredge

3. Cutter Suction Dredges Inclinometer
Position (GPS)
Orientation (Gyro, GPS)
Inclination of Ladder
Tide & Draft
Spud
Trunnion
Water Level
Chart Datum
Ladder Arm
Channel Design Depth
Channel Design Overdepth
Cutter Head

4. Cutter Suction Configuration
Water Level
Chart Datum
Channel Design Depth
Channel Design Overdepth
Ladder Arm
Cutter Head
Needed: Dredge Position Cutter Head Position Dredge Orientation Cutter Head Depth
Mobile = Main
Mobile = Digging Tool

5. Configuration 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.

6. Inclinometer Calibration
In 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.
Zimwit Dredging

7. Click on the Setup button.
Swing 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.

8. CUTTER.DLL Optional Graphics Display for Cutter Suction Dredges
Setup of CUTTER.DLL
Assign ‘CUTTER.DLL’ to mobile assigned to digging tool.
Arm_prof.shp
Cutter1.shp
Body_prof.shp
Body_front.shp
Arm_front.shp