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14 Cards in this Set
- Front
- Back
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State the duties of a BA wearer |
- have a minimum cylinder contents of 80% 240 bar - replace any cylinder with less than 260 bar - complete a general test and record in log book - check if the set requires a monthly test - record any defects in accordance with SOP 6 Pt 1 - complete a pre-entry check including functional, facefit, tally - report to ECO and hand in tally - don in safe air - take regular gauge checks - wearer distress procedure - stair procedure - door proecure |
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Describe the signs and symptoms of heat exhaustion |
- confusion - dark-coloured urine (a sign of dehydration) - dizziness - fainting - fatigue - headache - muscle or abdominal cramps - nausea, vomiting, or diarrhea - sweating, pale cold clammy skin - rapid pulse and breathing - body temperature normal |
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Detail the correct treatment for heat exhaustion |
- Sit them im a semi recumbent position - remove layers of clothing - fan or use BA set to cool them - put their pulse points in cold water - sips of water/ saline solution - if their condition does not improve remove to hospital
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Describe the signs and symptoms of heat stroke |
- Headache, dizziness and discomfort - restlessness and confusion - hot flush dry skim - levels of consciousness deteriorating - bounding pulse - body temperature above 40c 104f |
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Detail the correct treatment for heat stroke |
- treat as for heat exhaustiom - monitor A.B.C - remove them tp hospital immediately |
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How should a BA cylinder be carried |
BA cylinders should be carried by their carry handle attached to the cylinder cover and not by the cylinder valve |
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When rescuing casualties from a smoke filled environment, why sjould they be kept as low as possible |
- casualties should be kept as low as possible, as the atmosphere will be potentially more survivable at a lower level...more air, less heat - this has to be balanced with safe manual handling practices risk vs benefit |
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As a BA wearer where shpuld you be when your LPWD actuates |
- Ideally you should monitor your gauge so that your cylinder contents do not fall to the level at which the LPWD operates
- even with maximum use of air, regular gauge monitoring and the planning of work and travel times, you should be outside the risk area and reporting to entry control by the time your LPWD sounds |
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What indications would you get that your BA set is going y To pre alarm |
Before you hear any sound you will see a red flashing light in your HUD (right hand side) Then you will hear a bleeping noise that increases in frequency in conjunction with the red flashing light in the HUD |
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Detail yhe correct action to be taken, upon finding a BA set to be defective |
- Complete the logbook - turn it around so that the defect is displayed - inform OIC - defect the set on the asset database - for futher guidance refer to SOP 6 part 1 |
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What is the minimum test pressure tor a BA set? What is the minimum pressure with which you can report to entry control? |
260 bar Minimum test pressure for a general check is 260 bar This allows for any issues with your don and start at entry control 240 bar Following don and start, and when reporting to entry control in full PPE, you must have 240 bar or more displayed on your DDU |
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When wearing BA, what might constitute a RIDDOR reportable event, |
Failure of a BA set: - after passing through ECP and before entry to the risk area - whilst within the risk area - inability to operate the controls of a BA set in a confined space This applies to both operational and simulation environments |
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Describe the considerations for using a thermal image camera? |
Thermal imaging cameras: - should be used to support a search - will normally be carried by no.2 of a team - landmarking, and the use of room clearance, search techniques and physical/ visual contact should continue to be used at all times |
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When should BA be used? |
- on the instructions of the OIC, or where risk assessment identifies the potential for respiratory harm - likelihood of irrespirable gases present - possibility of damage to health of crews - BA teams must have same sets and cylinder capacity |
