
4419050/B
Aboutthehullunitlocation....................................................................................56
Deningtheforeandaftlocationofthehullunit..................................................57
Deningtheathwartshipslocationofthehullunit................................................57
Importantconsiderationsrelatedtonoise...............................................................58
Locationofhardwareunitsonthebridge........................................................................59
Basicrequirementsforthelocationofbridgeunits...............................................59
Maximumdistancebetweeneachbridgeunit........................................................60
Choosingthebestlocationforthedisplay.............................................................61
ChoosingthebestlocationfortheProcessorUnit.................................................62
ChoosingthebestlocationfortheOperatingPanel...............................................62
ChoosingthebestlocationfortheOperatingPanelPowerSupply.......................62
Sonarroomrequirements.................................................................................................64
Aboutthesonarroom.............................................................................................64
Environmentalrequirements..................................................................................64
Requirementforwatertightintegrity......................................................................65
Sizeandaccessrequirements.................................................................................65
Requirementsforinsulation,heatingandventilation.............................................66
Requirementsforelectricalinstallations,cablesandcommunication...................67
Requirementsforbilgepumpanddecking.............................................................67
Liftingrequirements...............................................................................................68
OrientationoftheHullUnit...................................................................................69
Sonarroomarrangement:TopviewSC90.............................................................70
Sonarroomarrangement:SideviewSC90............................................................71
Sonarroomarrangement:SideviewSC90............................................................72
Sonarroomarrangement:TopviewSC94.............................................................73
Sonarroomarrangement:SideviewSC94............................................................74
Sonarroomarrangement:SideviewSC94............................................................75
Acousticnoise..................................................................................................................76
Introductiontotheacousticnoisechallenge..........................................................76
Contributingfactors................................................................................................76
Selfnoise................................................................................................................78
Ambientnoise.........................................................................................................80
Electricalselfnoise................................................................................................81
Reverberation.........................................................................................................81
Somemeanstoreduceacousticnoise....................................................................82
INSTALLINGTHEOPTIONALGATEVALVEDN350..................84
Abouttheoptionalgatevalve..........................................................................................85
Gatevalvesystemdescription.........................................................................................87
Gatevalveinstallationprinciples.....................................................................................88
Mechanicalsupportbrackets............................................................................................89
SimradSC90