Yirumba

Question 1

Yirumba Survey classes

Answer 1

2B: Non-passenger vessel (up to 12 passengers); Offshore operations (within 200 nautical miles from the baseline of the Australian mainland, Tasmania, a recognized island but within the exclusive economic zone)
2C: Non-passenger vessel (up to 12 passengers); Restricted offshore operations (within 30 nautical miles from the baseline of the Australian mainland, Tasmania, a recognized island; within 50 nautical miles of the baseline of Queensland, within the Great Barrier Reef Region or the Torres Strait Zone; whilst remaining within the exclusive economic zone)

Question 2

3512 Jacket water flow

Answer 2

Bottom through the cooler with (bypass to after cooler) then to the top

Question 3

Emergency electrical installation and equipment

Answer 3

Self contained source of electrical power, either a dedicated battery of diesel generator, to provide emergency power to all key systems for 3 hours (see NSCV Subsection C5B)
Emergency lighting
a) service alleys, accommodation alleyways, stairways, exits and personnel lift cars;
b) the machinery spaces and main generating stations, including their control positions;
c) control stations and all machinery control rooms;
d) the stowage positions for fire-fighting equipment;
e) the steering gear;
f) pumps for fixed fire extinguishing systems, emergency fire pumps and any bilge pump
relying on the emergency power source as its alternative power supply;
g) the starting positions for the motors of the pumps specified in clause 4.7(f);
h) public spaces, evacuation routes, exits and mustering areas;
i) lifeboat stations on deck;
j) stowage positions of life rafts for which launching devices are not provided;
k) life rafts and their launching devices during mustering and launching; and
l) the area of water into which life rafts are launched, for the period of time required for
launching to be completed.

Question 4

Yirumba Fire pump and hose capacity

Answer 4

Fire hose
Single 12mm
Minimum throw of inclined water jet; 11m
Hydrant pressure KPa; 150
minimum fire hose nozzle flow rate m3/hour; 6.5
Minimum pump capacity per hose m3/hour; 7.0

Remote stops

Question 5

Bilge pumps

Answer 5

2 x 11.0 kiloliters/hour capacity