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Multibeam Surveys along
the Container Terminal in
Bremerhaven
Thorsten Döscher
Delfzijl, December 12th 2012
HSB WORKSHOP
(1) introduction to bremenports survey sectionsurvey vessel, equipment and personnel
(2) regular task: depths charting
(3) minimum depths charting
(4) data quality assurance
(5) special tasks: 2 examples
a. detect and position lost containers
b. monitor berthing facility
for offshore construction vessel
OUTLINE
Henrik Schult
(Hydrographic Surveyor)
PERSONNEL
Oliver Bartz
(Survey Technician, Seaman)
Susanne Bardenhagen
(Data Processor)
KIEK UT
length: 14m
breadth: 4,65m
draught: 1,10m
speed: 7kn
bulbous bow forAtlas Fansweep 20
transducer installation
far field near field wide narrow
transducer
ATLAS FANSWEEP 20
key figures:
interferometric system
1440 softbeams
1.3° ahead, 161° swath
180° side scan
• Trimble GNSS receiver SPS852 primary
Sapos + Beacon• Hemisphere vector sensor GPS gyrosecondary
• Atlas Deso 25 dual frequency echosounder 15+210kHz• sounding plate lead 1,5kg• iXSea Octans IV motion sensor• 2x AML SVP smart sensor• bottom grab sampler 8kg
• Eiva NaviSuite / Atlas HM Susy as backup Nav• Microstation / Surfer• GIS Geomedia Professional
EQUIPMENT
swath coverage to one side: 300% = 3 x 18m = 54m
qua
y wallcenterbeam
FEEDERdraught 6.80m
width 10.80m
Handy Class
draught 10.20m
width: 18.40m
Emma Maersk
draught: 16.50m
width 56.40m
SWATH GEOMETRY
EMMA MAERSK
length: 397m
breadth: 56.40m
draught: 16.5m
speed: 27kn
14.770 TEU
133.000 PS
DREDGE CHART vs NAVIGATION CHART
FS 20 vor der Kaje
NAVIGATION CHART
FS20 vor der Kaje
SeaBat 8125 or EM3002 ?
MINIMUM DEPTH CONTROL
DQA RELATIVE ACCURACY
DQA ABSOLUTE ACCURACY
Sill Foundation: 10.53m LAT
DQA CHECK LISTS
Husky Racer, 3rd November 2009
Upps !
CONTAINER LOSS
CONTAINER SALVAGE
SONAR DISPLAY
CONTAINER REPORT
OFFSHORE CONSTRUCTION VESSEL
ELEFANT FEET
general bathymetry for scours
determination of inclination
volume control of filled quarry
inspection survey of quay construction
MONITORING BERTHING LOCATION
3D ANIMATION ELEFANT FEET
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