
4442699/B
Deningtheathwartshipslocationofthehullunit................................................57
Importantconsiderationsrelatedtonoise...............................................................58
Locationofhardwareunitsonthebridge........................................................................59
Basicrequirementsforthelocationofbridgeunits...............................................59
Maximumdistancebetweeneachbridgeunit........................................................60
Choosingthebestlocationforthedisplay.............................................................61
ChoosingthebestlocationfortheProcessorUnit.................................................62
ChoosingthebestlocationfortheOperatingPanel...............................................62
Sonarroomrequirements.................................................................................................63
Aboutthesonarroom.............................................................................................63
Environmentalrequirements..................................................................................63
Requirementsforwatertightintegrity....................................................................64
Sizeandaccessrequirements.................................................................................65
Requirementsforinsulation,heatingandventilation.............................................65
Requirementsforelectricalinstallations,cablesandcommunication...................66
Requirementsforbilgepumpanddecking.............................................................67
Liftingrequirements...............................................................................................68
Orientationofthehullunit.....................................................................................69
Sonarroomarrangement:TopviewCS90.............................................................70
Sonarroomarrangement:SideviewCS90............................................................71
Sonarroomarrangement:SideviewCS90............................................................72
Sonarroomarrangement:TopviewCS94.............................................................73
Sonarroomarrangement:SideviewCS94............................................................74
Sonarroomarrangement:SideviewCS94............................................................75
Acousticnoise..................................................................................................................76
Introductiontotheacousticnoisechallenge..........................................................76
Contributingfactors................................................................................................76
Selfnoise................................................................................................................78
Ambientnoise.........................................................................................................80
Electricalselfnoise................................................................................................81
Reverberation.........................................................................................................81
Somemeanstoreduceacousticnoise....................................................................82
INSTALLINGTHEOPTIONALGATEVALVEDN350..................85
Abouttheoptionalgatevalve..........................................................................................86
Gatevalvesystemdescription.........................................................................................88
Gatevalveinstallationprinciples.....................................................................................89
Mechanicalsupportbrackets............................................................................................91
Installingthemountingange.........................................................................................92
Mountingangeandmanualgatevalveinstallation..............................................95
Mountingangeandhydraulicgatevalveinstallation..........................................97
SimradCS90