b'MEMBER NEWSKongsberg Discovery Demonstrates Hydroacoustic Capabilities on- Lake SuperiorK ongsberg Discovery recently efficiently and safely with modern timberpolepilesandconcretefounda-demonstrated the ability of hydroacousticsolutions. tionsforincredibleimaging.advanced hydroacousticsto illuminate the world beneath the Kongsberg Discovery used two of its Inbusy,operationallychallengingen-waves with a detailed, efficient, and sonars,theM3SonarHFmultibeam vironmentsconductingefficient,safe,comprehensive inspection of the sonar and the 1171 Hi-Res Scanning and high-quality infrastructure in-historicLowerHarborOreDockin singlebeamsonar,toscanthevertical spectionandmonitoringisessential,Marquette,Mich.,onLakeSuperior. wall structure. SoundTiles, an IQUA notesDaignault.Hydroacoustictech-Robotics software, was used to pro- nologytrulyopensthepossibilitytoThe iconic structure, a pivotal point cess the multibeam data for rapid dojustthat,simplifyingandfast-track-forthetransportationofironorefrom mosaicking.Thehighresolution1171 ingtheentireprocess,whileprovidingMichiganminesacrosstheGreatLakes single-beamsonarwasthendeployedto outstandingresults.Itwasgreattogetregion,datestothelate19thcentury. createapowerfulrealtimevisualization eyesunderthewaterandseethedockThe demonstration showed how the ofthewalls,divingintodetailacrossthe aboveandbelowthewaterline.latest hydroacoustics could deliverrapid, powerful, and high-resolutionimagingofstructuralintegrity.Thesequalities are essential for reliable in-spectionandmonitoringofkeyshoreand ocean infrastructure. Attendeesat the day-long survey included U.S.ArmyCorpsDetroitDistrict,U.S.Bor-derPatrol,andU.S.GeologicSurvey,aswellasanumberofprivatecompanies.Jessica Daignault, professional civil PVA Welcomes engineer with Kongsberg Discovery New Memberscommented,Long-termexposuretotheforcesofwaterandweathertaketheirtoll.Addindecadesoflargeves-seloperationsandyouhavearecipe NEW VESSEL MEMBERSforunderminingstructuralintegrity.TheiconicLowerHarborOreDock PARADISE EXPRESS FERRY, LLCretainsitsstrengthandbeautyabove GARRY A. JOHNSONthewaterline,butwealsowantedto New York, N.Y. makesureitwasequallyasrobustbe- paradiseferry.comlowthewatersurface.Itsthekindofinfrastructureinspec- If you know of an organization that maytion that can be challenging when benefit from membership in PVA, please have themusing traditional methods, such as learn more at passengervessel.com/#join.dive teams, but can be conducted49 OCTOBER 2024'