442703/B
75
Sonarroomarrangement:Sideview
ThesonarroommustprovideamplespaceforalltheitemsprovidedwiththeST90.This
exampleshowsatypicalsonarroomandhullunitseenfromtheside.Thehullunitis
mountedonthecentreaxisofthevessel,ontopofthekeel.
AFixingpointforlifting
apparatus2000kg
BAirbleedingpipe(The
minimumdiameteris1/4"
(6.35mm).)
CAirventpipes(The
minimumdiameteris1/2"
(12.7mm).)
DAccesshatch
ELamp
FMechanicalsupport
brackets
GTransceiverUnit
HHeater
IThreeorfourknee-plates
(stiffeners)mustbewelded
totheframesordecks.
Thesonarroommustbeeasily
accessibleusingasuitable
hatchoradoor.Thesizeof
thehatchmustallowtheentire
hullunittoberemovedwithout
beingdisassembled.
Relatedtopics
Sonarroomrequirements,
page66
Preparations