fixed fire fighting Flashcards
what tanks feed the AFFF system
No4 reserve feed tank/ AFFF tank
End zones of AFFF
DG room, port and stbd engine room, naval stores lub oil module, thrust block flat
how many litres in the AFFF tank
455 litres
system code for AFFF
FFS
(for fuck sake)
how long can AFFF be used for in any single zone
maximum of ten minutes
spray will stop after 3 mins
Will need to be re-energised by the EP in mroom if required
how many zones can be operated simultaneously on AFFF
2 zones
AFFF is operated from where remotely and locally
remotely - EP panel in manoeuvring room
local - hydel valve in manoeuvring room flat
what is the downside of the AFFF system
AFFF is corrosive if discharged bilge must be flushed and pumped out
Take it feed from number 4 reserve feed tank so if we need to use ECCS we lose AFFF
isolating valve of AFFF
FFS 401
88 bulkhead
mroom flat
system code of water fog spray system
SWS
supply tank for water fog system
fresh water spray tank
end zones of water fog system
WSC small/large nozzles
WSC water fog system is operated from where locally and remotely
remotely - SCC IPB
locally - electrolyser space , local hand wheel SWS 605
IPB in WSC fwd and aft , IPB 2 deck and 3 deck
supply tank for FWD ESC AND WSC PYRO LOCKERS
Fresh water spary tank
Isolation of the fwd esc pyro lockers
SWS 5680 , operated from the sonar cabinet space , above the door to the control room
