Multibeam Surveys along the Container Terminal in Bremerhaven
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Multibeam Surveys along
the Container Terminal in
Bremerhaven
Thorsten Döscher
Delfzijl, December 12th 2012
HSB WORKSHOP
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(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
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Henrik Schult
(Hydrographic Surveyor)
PERSONNEL
Oliver Bartz
(Survey Technician, Seaman)
Susanne Bardenhagen
(Data Processor)
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KIEK UT
length: 14m
breadth: 4,65m
draught: 1,10m
speed: 7kn
bulbous bow forAtlas Fansweep 20
transducer installation
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far field near field wide narrow
transducer
ATLAS FANSWEEP 20
key figures:
interferometric system
1440 softbeams
1.3° ahead, 161° swath
180° side scan
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• 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
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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
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EMMA MAERSK
length: 397m
breadth: 56.40m
draught: 16.5m
speed: 27kn
14.770 TEU
133.000 PS
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DREDGE CHART vs NAVIGATION CHART
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FS 20 vor der Kaje
NAVIGATION CHART
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FS20 vor der Kaje
SeaBat 8125 or EM3002 ?
MINIMUM DEPTH CONTROL
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DQA RELATIVE ACCURACY
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DQA ABSOLUTE ACCURACY
Sill Foundation: 10.53m LAT
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DQA CHECK LISTS
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Husky Racer, 3rd November 2009
Upps !
CONTAINER LOSS
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CONTAINER SALVAGE
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SONAR DISPLAY
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CONTAINER REPORT
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OFFSHORE CONSTRUCTION VESSEL
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ELEFANT FEET
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general bathymetry for scours
determination of inclination
volume control of filled quarry
inspection survey of quay construction
MONITORING BERTHING LOCATION
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3D ANIMATION ELEFANT FEET