when disch igs is supplying inert gas contonously to da tanks so may be igs is not working or experiencing problems or pv v/vs having a leakage
may be the vaccum side of the pv valve is not working or , the vrl if used, the valve of the vrl is not opened or the vrl line is chocked by some solidifying cargo like hmd or the tank pressure sensor is not working prperly ... these or some possible ways.
check venting system , may be some vent open if falling slowly , drastic redustion I.G stopped .... if vent open close it ... ig failure inform E/R ... ALL CASES CALL C/O....This is wat is expected ...
Stop Loading. Let the pressure of tank falls to level below the pressure setting of PV valve. Close individual tank IG branch valve.Verify the Cause of Over pressurization of Tanks. Fill up PV breaker (Glycol + water) and resume loading
Remember to check the Pressure sensor setting installed in each tanks after sailing
ANNEX-1 Mediterranean, baltic,black,red seas,gulf areas, gulf of aden, antartic areas,NW european waters,omen areas of arabian sea,southern south african waters
ANNEX-2
Mediterranean, baltic,black,red seas,gulf areas,north sea,Antarctic area (south
of latitude 60
degrees south),Wider Caribbean
region including the
Gulf of Mexico and
the Caribbean Sea,
Passivation is the process of making a material "passive", usually by the deposition of a layer of oxide on its surface. In...
It contains stability of ship during its damaged condition and capacity to resist damage situation caused by flooding due to the water overflow into bilges
"the falls shall be turned end for end at intervals of not more than 30 months and be renewed when necessary, due to deterioration of the falls or at intervals of not more than five years, whichever is the earlier".
