adus sonar
DESCRIPTION
sonar descriptionTRANSCRIPT
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APicturePaintsAThousandWords:
TheValueofHighResolution3DSurveyforWreckRemovalOperations
MarkLawrence
AdvancedUnderwaterSurveysLtd
StAndrewsUK
SalvageandWreckRemovalAsiaSingapore
13th &14thSeptember2012
http://youtu.be/GLeDWhnrL4I
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Highdefinitionsonartechnology
Optionsavailabletothesalvageindustry:
Sidescansonar
Sectorscanningsonar
Interferometricsonar
Multibeamsonar
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Goodvisualisationtechniquesareessentialforrevealingdetail:
Thesamemultibeamdataofa3gunvisualisedasapointcloudandasadrapedsurface
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Samewreck sameequipment(ResonSeaBat7125)
Differentsurveymethodology
www.fathoms.co.uk/galleryfull.php?ipos=1
Twosubmarines,oneviewedasapointcloud&theotherwithadrapedsurface
www.woodsons.co.uk/images/sub0l.jpg
Goodvisualisationtechniquesareneededtoexploitthefullcapabilityofmultibeam:
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Multibeam sonar surveysin support of oil removal
HMS Royal Oak - torpedoed 1939
Detail of hull plating & hot tapping valves
Multibeam sonar surveys of wrecks with hazardous materials on board
Sonarvisualisationshowing1000lbbombsontheRichardMontgomery
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Multibeam sonar surveys in support of wreck removal operations
California courtesy of Mammoet Salvage
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ADUSsurveyoftheNewFlame 2009
GEOMYTSASAsurveyoftheNewFlame2008
Surveysofthesamewreckshowingtheimpactofmultibeamsystemchoiceandadifferentapproachtovisualisation
CourtesyofTitanSalvage
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Keyholesurveytechniqueshowing800tofscrapsteelmissedbythegrabinHold5oftheNewFlame
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Comparison of multibeam sonar surveys of the New Flame proved the site had been cleared to the agreed depth
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MarkLawrenceAdvancedUnderwaterSurveysLtd
StAndrewsUK
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