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

FS20 vor der Kaje

SeaBat 8125 or EM3002 ?

Thank you for your attention

thorsten.doescher@bremenports.de