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22 Cards in this Set
- Front
- Back
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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 |
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What process can cause oxygen depletion? |
Combustion Rust formation Inert gas |
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Atmospheric contaminates can arise from a variety of sources and come in 2 forms. |
Particulate Gasses or vapours |
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What are 5 examples of potential sources for a toxic hazard? |
Fire Heating of metals Slow chemical reaction Evaporation of volatile liquids Particulate |
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What compartments or areas would you most likely find hydrogen sulphide? |
Ships, sewage treatment plants, bilges, sludge tanks, and other associated pipework. |
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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. |
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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 |
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What four gasses does the portable 4 gas detector detect? |
Oxyge Combustibles Hydrogen sulphide Carbon monoxide |
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Expand OCCABA. |
Open circuit compressed air breathing apparatus |
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Expand ELSRD. |
Emergency life support respiratory device |
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What causes Olfactory Fatigue? |
Hydrogen sulphide |
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What is the order you read the portable 4 gas detector? |
Left to right, top to bottom. |
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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% |
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What gas does the single gas detector detect? |
Hydrogen sulphide |
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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. |
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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. |
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What are the 5 things team 1 and team 2 handover? |
Compartments searched Number of casualties Location of casualties Time bagged Gas readings |
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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. |
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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. |
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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. |
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What is the minimum rig to be worn inside a gas boundary? |
Intermediate rig. |
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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 |
