Week 7 Flashcards
What should you do if you see a steam leak?
Raise alarm immediately
Evacuate the compartment
What does it mean if the bottle groups light is lit up on the SCC?
There is a leak in the system
Initial actions after the APD alarms?
Adopting emergency stations
Don EBS throughout the submarine
Adopting containment state 1
No eating or drinking in submarine
Returning to safe depth
Stopping ventilation
What are the primary and secondary containment boundaries?
Primary - 64 and 74 WT BH
Secondary -
Minimum - 26 and 88 DC BH
Maximum - Pressure hull
How do we secure primary containment?
Automatically, by the containment automatic isolation system (CAIS)
Remotely by manoeuvring room watchkeepers using the containment manual initiation switch
What does ALARP stand for?
As low as reasonably possible/practicable
Contents of a reactor accident box?
Potassium iodate tablets
Radiation monitoring equipment
Documents
Hazards associated with a reactor accident?
Personnel contamination onboard
Personnel contamination in vicinity
Airborne contamination external sub
Water contamination external to sub
Long-term contamination issues regarding environment
What is the CL we use for reducing electrical load on the battery whilst the reactor is shutdown?
CL57
What does the ME department increase their manning to when an EOP occurs?
One full 6 man team on watch
A second full watch
When will the reactor be started up alongside?
Prepare for sea
Conduct plant proving
Key differences between a scram alongside and at sea?
All scrams will be full scrams
Both TGs will be shutdown
AC shore supply will be reconnected to support AC and DC loads
Reactor restart will be a controlled evolution
How are the crew protected from radiological hazards?
Time
Shielding
Distance
ALARP
What is the use of pyrotechnics?
Signal to the surface
Simulate a torpedo attack
Mark position of sunken submarine
Indicate the emergency surfacing
Mark position of a sub in exercise
Mark position of man overboard
Send a distress signal
Search and rescue operations
How long does a MOB marker emit smoke and lights flash for?
Orange smoke 15-30 minutes
Two lights 90 minutes
Actions for an accidental shearing of shear pins on smoke candles or grenades?
Raise the alarm - LVA
Place store in safety capture bag
Engage velcro strap on bag
Stand well back
Don EBS
Brief command
Be prepared to use FF equipment
Dispose of the store