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22 Cards in this Set

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A respiratory hazard occurs in a compartment as a result of one or a combination of two conditions being present?

Depletion of oxygen


Toxic atmospheric contaminates

What process can cause oxygen depletion?

Combustion


Rust formation


Inert gas

Atmospheric contaminates can arise from a variety of sources and come in 2 forms.

Particulate


Gasses or vapours

What are 5 examples of potential sources for a toxic hazard?

Fire


Heating of metals


Slow chemical reaction


Evaporation of volatile liquids


Particulate

What compartments or areas would you most likely find hydrogen sulphide?

Ships, sewage treatment plants, bilges, sludge tanks, and other associated pipework.

What actions are required upon the discovery of a toxic hazard?

Raise the alarm, Don occaba, evacuate closing all doors and hatches behind you. Continue raising alarm until it has reached the bridge.

What are the main fixed and portable gas detection equipment used in the RAN?

Impact pro


Impulse XT


Gas commander 400


Gas commander 800


Dräger

What four gasses does the portable 4 gas detector detect?

Oxyge


Combustibles


Hydrogen sulphide


Carbon monoxide

Expand OCCABA.

Open circuit compressed air breathing apparatus

Expand ELSRD.

Emergency life support respiratory device

What causes Olfactory Fatigue?

Hydrogen sulphide

What is the order you read the portable 4 gas detector?

Left to right, top to bottom.

What are the limits of the portable 4 gas detector?

Combustibles:


5, 10, 20 LEL


Hydrogen sulphide:


10, 15, 20 LEL


Carbon monoxide:


25, 100, 200 ppm


Oxygen:


18, 19.5, 23.5%

What gas does the single gas detector detect?

Hydrogen sulphide

What is the name, equipment carried and task of TEAM 1?

Casualty location and search.


2 personnel, intermediate rig, 2x ELSRD, comms.


Straight to scene, spiral out looking for casualties.


What is the name, equipment carried and task of TEAM 2?

Search/monitoring.


2 personnel, intermediate rig, 2x ELSDR, comms, impact pro.


Spiral in, searching for casualties and taking gas readings. Meet up with team 1 and handover the 5 things.

What are the 5 things team 1 and team 2 handover?

Compartments searched


Number of casualties


Location of casualties


Time bagged


Gas readings

What is the name, equipment carried and task of TEAM 3?

Casualty evacuation.


2 personnel, intermediate rig, 2 ELSRD, comms.


Straight to casualty, re bag, evacuate casualty.

What is the name, equipment carried and task of TEAM 4?

Repair/spare.


2 personnel, intermediate rig, comms, impact pro.


Straight to source, repair and recommission machinery.

What are the roles of the scene leader during a toxic hazard incident?

Team coordination and control.


Maintain gas boundary.


Under direct control of DCC.

What is the minimum rig to be worn inside a gas boundary?

Intermediate rig.

State the acronym SHARP.

S - Secure charging hose when not in use


H - Hand over grip on crank handle


A - Avoid exposing bare skin to filter drain


R - Refuel only when stopped


P - PPE to be worn