Introduciton To RPE And PSS 7000 Set Flashcards
What RPE does the LFB provide to be used at incidents and in training?
Breathing apparatus – SDBA and EDBA. Respirators.
Powered respirator protective suits.
Respiratory hazards can be divided in the following way:
Acute – immediate risk.
Chronic – long term risk.
Airborne particulates - dual purpose face masks (DPFM) with a particulates filter cartridge (FC)
What policy number relates to RPE?
Policy number 466
Define respiration?
The transport of oxygen from the outside air to the cells within tissues, and the transport of CO2 in the opposite direction.
Air inhaled from the atmosphere or compressed in a BA cylinder contains approximately 21% oxygen and 0.04% c02 and air exhaled is
16% oxygen and 4% co2
What factors influence consumption rates?
Physical exertion.
Physical fitness.
Stress.
Name four ways the human body dissipates heat?
- Radiation - heat floors from hotter to cooler bodies. PPE, RPE and high ambient temperature prevents this flow
- Vaporisation - blood is cooled in the lungs by air.
- Convection - air flowing over the body to cool it. PPE and RPE prevent this.
- Evaluation - sweat evaporating from the body. PPE and RPE makes this minimal
What psychological effects does heat stress have on the body?
A deterioration in: Coordination. Manipulation. Visual skills. Reasoning.
What physical effects does heat stress have on the body?
Heat cramps.
Heat exhaustion.
Heat stroke (medical emergency).
How much water should the average person need to consume to stay well hydrated?
2 - 3 litres per day. And half a litre after 30mins of BA work
What methods can be put in place to limit the effects off heat stress and dehydration?
Rotation of BA crews.
Using a holding/recovery area in the shade.
Ensure a supply of drinking water.
Reserve crews should be encouraged to relax dress.
Cool hands, wrists and arms in water (radial cooling).
Firefighters waiting to wear BA should avoid high levels of physical activity. The attendance of the LAS to oversee welfare of crews and BA teams.
The breathing apparatus set currently in use by the LFB is?
The Drager PSS 7000 Breathing Apparatus Set.
What is the working duration for the SDBA?
31 mins at 50 litres per minute.
How much does this set weigh when ready for use?
15.5 KG
What is STOPCAB?
Self contained Two stage Open circuit Positive pressure Compressed Air Breathing apparatus set
Name four features of STOPCAB?
Positive pressure, first breath activated.
Speech diaphragm.
Additional flow button.
Stable air supply with low breathing resistance.
The FPS 7000 is a dual-purpose facemask and can be converted to a respirator by removing the LDV and attaching a filter cartridge.
GPS 7000 mask feature
- Impact and scratch resistant polycarbonate visor
- 5 strap adjustable harness
- Neck strap
- Inner mask to stop misting
- Dual purpose face mask (DPFM) Can be converted into a Respirator mask by taking off the lung demand valve and relaxing with filter cartridge
When can respirators NOT be used?
In oxygen deficient, or toxic atmospheres
What is the function of the Lung Demand Valve (LDV)?
To supply air at a breathable pressure to meet the demands of the wearer.
What kind of couplings are on the ‘Inline’ and ‘Second person connection’?
Quick release couplings (QRC)
What is the function of the reducer?
To assist with the reduction of cylinder pressure to a breathable pressure.
Describe the three non-kink rubber hoses that lead from the reducer?
High pressure to the electronic management unit. Medium pressure to the LDV.
Medium pressure to the second person connection.
Hose pressure
High pressure hose 300bar Medium pressure hose 6-9 bar Second person connection 6-9 bar
Name some features of the bodyguard 7000?
Monitors available air pressure of cylinder.
Time to Warning (TTW) – numeric display.
Time of Warning (TOW) – flashing LEDs and audible. Visual LED indicators: Green – operational mode / key removed. Red / Blue – warning mode. Blue – telemetry signal.
Motion sensor and auto distress signal unit (ADSU).
Button activated Manual distress signal unit (DSU).
Backlight.
The low battery warning signal operates when the battery drops below 5.5 volts. How long is it acceptable to use the set for after this?
2 hours
At what pressure will the electronic and the pneumatic low-pressure warnings operate?
84 and 74 bar (+/- 5bar) respectively.
The pneumatic warning is provided as a safety margin for BA wearers. How long is this period
10 mins at 50 litres per minute.
A BA tally is used for safety control procedures to record the details of each wearer. What colour are they?
Yellow for SDBA.
Red for EDBA.
What information should be added to the tally using a chinagraph pencil?
The role and name of wearer.
The cylinder pressure.
The entry time into the risk area (using ECB clock).
