FF Comeback Flashcards
DRM supply how much water?
1500 LPM approx
WRM supply how much water?
1500 LPM for 45 mins minimum by law
8 bar outlet pressure from 2006
4-5 bar pre 2006
Over what height do building regs require provision for fire fighting /firefighter access?
18 metres
Over what height do WRMs need to be installed?
Over 60 metres
2006+ 50 metres
What 3 facilities may be fitted to a building over 18m as part of building regs?
Firefighting shafts
Dry/wet risers
Firefighting lifts
Firefighting shafts Fire mains (not fire lifts) may be found in buildings over what height?
7.5m
Fire sector commander is a minimum rank of what?
Crew Manager
Where should a bridgehead be set up?
2 floors below fire floor in a firefighting lobby and not a corridor
Who is responsible for establishing a bridgehead?
Fire sector commander
Min Crew Manager
At high rise incidents the fire sector commander will take how many FFs to the bridgehead?
3
2x BA for firefighting/ rescue
1x ECO
Fire teams entering a “Fire Lift” must exit where?
2 floors below the fire floor
Who should take control of and stay with a “Fire lift”?
A Fire fighter. detailed by OIC
Where should a Fire Lift remain during an incident?
At the Bridgehead so rescued people can be quickly brought to ground level
What does it mean if the Green ECB battery sign is flashing?
Charged
Green ECB battery sign solid green?
Charging
Red battery led 1 or 2 illuminates on ECB?
ECB is defective
How long will the ECB remain working with an illuminated amber low battery sign??
2 hours approx
Describe the ECB ADSU warning icon?
Bar with a horn sounder icon either side (illuminates red)
Describe ECB DSU warning icon?
Warning triangle with exclamation mark inside (illuminates red)
Describe the “wearer returning to ECP” warning icon?
Door opening with an arrow going through. (Illuminates Amber)
A flashing red evacuation signal icon means what?
Sent by ECO
A solid red evacuation signal icon means what?
Acknowledged by ECO
Whilst the ECB is in sleep mode, what does pressing and holding the “I” information button do?
Shows battery charge in 1 hour increments using dots and dashes up to max of 8= 8 hour charge
What buttons are used to scroll through the menu on the ECB?
Enter 2 & 8
If a tally shows Et before the E:0000 display, what does that mean?
Defective tally transponder = error transponder
Manual log on required
How often does the ECB update?
Every 20 seconds
What is the default figures showing on the ECB LCD display to the right of the tally slots?
TOW
Time of whistle
What does TTW BG mean?
Time to whistle bodyguard
What does an illuminated green clock to the left of the information button mean?
When default TTW time to whistle is displayed and status displays charge level
What is the first alarm (default) on the ECB? (Single double beep)
10 mins before TOW activation (advise BA team by radio)
What is the single double beep on the ECB other than the 10 minute to TOW warning?
The actuation of 10 minutes to TOW warning on the BA set
What action should be taken when the Amber battery icon illuminates during use of the ECB?
Wearers committed should carry on as normal until the wears are finished, no more teams shall be committed through that board and the board should be placed on charge when all wearers are out, (another board should be started, not stage 2)
How are the 2 types of emergency evacuation initiated?
Press and hold either evac Wearer or evac all wearers buttons until red led is illuminated and double beep heard
Upon receipt of an evacuation signal on a bodyguard, how is it acknowledged?
Press and release RH bodyguard button (single beep is emitted)
When an evacuation signal is sent from the ECB, how does the ECO know it has been received?
A short high pitched audible alarm is activated and red led will stop flashing and stay illuminated
How is a voluntary withdrawal on the bodyguard sent to the ECO?
Press and hold right button until radio icon appears then release
On the series 3 Mercedes, how long must the Air dump button on the ePC control be pressed for to activate?
5 seconds
On the ePC control, how do you know the switches are activated?
They are highlighted blue
On the series 3 Air dump, how is the suspension returned to full height?
Once lowered= ( second press)
A further press will return suspension to normal height.
What does the HTT switch do on the ePC control?
Manual override of hydrant to tank valve.
When valve closed the HTT switch will open valve for 10 seconds.
Valve cannot be closed if water low and valve open
When water level isn’t low or full the valve can be opened and shut via HTT switch
What conditions must be met for the series 3 PTO to be engaged?
Handbrake on and neutral button selected
How is the pump engaged on the Series 3 Mercedes?
PTO switch in cab on (handbrake and neutral selected)
ePC will then be in pump standby,
Press the pump switch on ePC to engage pump
How is manual pressure mode selected on the series 3 merceces?
By pressing the rpm up or down buttons
What pump pressure is required to achieve 230 lpm on the high pressure hose reels on the series 3 Mercedes?
35 bar high pressure will give 230 LPM maximum branch flow
When using high pressure hose reels and low pressure jets simultaneously, what needs to be selected?
High pressure lever, low pressure bar selection
The initial BA team fighting a High rise fire should have their 45mm jet and branch plugged into the rising main on what floor?
1 floor below the fire floor or next floor below that if not
An additional BA team fighting a high rise fire should have their jet and branch plugged into the rising main on what floor?
On the fire floor or nearest below and 1 length longer than the initial BA team.
Can a covering jet be supplied from the dividing breaching that the main jet is supplied from also?
Yes it can but as a second choice, the 2nd breaching outlet should be for a 2nd main jet with the covering jet ideally from the fire floor rising main outlet
How long is the long line?
31 metres
How long is the short line?
15.5 metres
How should the short line be made up?
In a figure of eight
Where can the bar code be found on the long and short lines?
1.5 metres from each end of both lines
Do stations carry spare long and short lines?
Yes, every station should have a spare long and short line
What is the minimum pressure a cylinder must contain to be fitted to a BA set?
270 bar
What is the full length of a BA personal line?
6 metres
How often and to what pressure are BA cylinders tested?
Every 2 years to 450 bar
How many litres of air does an SDBA cylinder hold?
2160 litres of air = 300 bar (fully charged)
What does the black and white shoulder markings of a cylinder denote?
Breathable air
What is the weight of a fully charged SDBA cylinder?
8.5kg
How often is the hydraulic test carried out on BA cylinders?
Every 5 years
Less than 28 days remaining before test date shown
How long is the short section of the BA personal line?
1.25 metres
What is the test frequency of a BA personal line?
On receipt, after use, 28 days
The entanglement cable cutters are European standard tested to what voltage?
1000v AC
1500v DC
How often is data transferred between ECB and wearers?
Every 20 seconds
What is the line of sight range of the telemetry signal ?
3km it severely restricted by buildings / other obstructions
Where is the telemetry identification number on the BA set?
Rear of BACK plate, bottom left as you look at it
The electronic low pressure warning device of the bodyguard is set to operate at what pressure?
84 bar
= start of 12 min safety margin
7 bar a min consumption
What is the duration of the safety margin for SDBA and EDBA?
12 mins SDBA
18 mins EDBA
How long must no movement be detected before an ADSU activation?
45 seconds
Who carries the telemetry repeaters?
FRU and CU
How long is the leaky feeder and who carries it?
175 metres
Carried on FRU only
What is the procedure for operating the telemetry repeaters?
SDBA teams can deploy them.
Proceed until signal lost, back track 5 meters then deploy repeater.
(Ensure aerial screwed in on top of repeater box.
How are the telemetry repeater box numbers situated?
Box 1 must be within range of ECB.
Number 2 must be within range of box 1 or ECB.
Adding 1 or 2 telemetry repeaters amplifies the signal distance by how far?
From 3km to 6km (double) with 1 box.
From 6km to 9km (treble) with 2 boxes
What 2 things can a leaky feeder cable be connected to?
ECB or Telemetry repeater
What does F.I.R.E stand for?
Fire initial response equipment
How many controlled dividing breeching devices can be used on a rising main?
Only 1 per main
Where should the controlled dividing breeching be plugged in?
Directly into the main if poss 1 floor below the fire
3 jets may be used from 1 rising main at a high rise incident, describe the layout in order?
Jet 1 (main jet from controlled dividing breeching 1 floor below fire floor. Jet 2 ( covering jet from fire floor, direct from main, 1 length longer) Jet 3 main jet if required, from other controlled dividing breeching outlet
A BA emergency team should carry what when reporting to the nominated ECP?
An additional ECB
A second set (ECO’s set) for every 2 wearers
A charged 45mm jet ideally from an alternate pump and water supply.
When reporting to the dedicated emergency Team ECO as an emergency team member, what actions should be taken regarding the second set?
Split the tally from the key.
Write second set instead of a name.
Key stays in the bodyguard
As a committed emergency team member, what actions should be taken upon finding a distressed wearer?
Silence the DSU using the 2nd set key then return it to the 2nd set.
Inform ECP that wearers have been located.
Gauge check all BA sets to determine if a rescue can commence.
Supplement air supply if required.
When should a DSU be actuated?
BA team member: Lost Confused Injured BA set difficulties Distressed Trapped Disoriented
When reporting for decontamination whilst in GTS, what is the minimum air pressure on the BA set before the air supply must be supplemented with the second set?
100 bar
When preparing or using a second set during GTS, what additional item is required?
Back to back make coupling fitted to the second set.
When tying a long line to the 135 ladder for a props to face pitch, how is it tied?
Under the wheel bar and over the top round using a round turn and 2 half hitches
Which crew member sites the head of the ladder on a props to face pitch?
No 3
Who ties the long line to the top round of the 135 during a props to face pitch?
No 5
Which crew members will check Pawls engaged and state pawls engaged on a 135 props to face pitch?
No 2 and no 5
What command will be given when the prop handlers are ready to support the ladder after waking round 1 at a time during a props to face 135 pitch?
Right!
When 3 + 4 walk the props round to to rear (1 at a time) on a 135 props to face pitch, where should the props be?
Always on the outside.
During and whilst walking round and turning around.
On the quadruplicate control information form at FSG incidents, what Copy stays with the ICP to hand over to the command unit?
White copy
What is the minimum rank for a search co-ordinator?
Watch Manager
How much foam solution does the Mercedes S3 onboard tank hold?
80 litres
What type of foam is only used on the Mercedes S3?
Auxquimia
What percentage of foam is required to water to fight flammable liquids from the Mercedes S3?
3% auxquimia foam to water
How many LPM of water is the Godiva pump on the Mercedes S3 capable of pumping from a 3 metre lift at 10 bar pressure?
3000 LPM
How is an open water lift achieved on the Mercedes S3 ?
All deliveries closed including hose reels.
Tank to pump gate closed.
Connect hard suction hose to pump inlet.
Start up and engage PTO until a pump pressure reading is achieved on the flow data. Open deliveries as required
After lifting and pumping from open water, what must be carried out?
A full pump and deliveries flush using clean water
How is a burst length dealt with?
Lay out replacement hose
If a jet length, notify crews to withdraw to safety.
Swap hose and tie a knot in either end of the burst length.
Upon make up, burst length is made up from the male coupling.
What is the alternative method off slipping the 135 ladder if the lower beam is stiff?
3 & 4 turn their backs to the pump bay and push against the stand off rings
What is the rule of thumb for compound pressure ?
Every 10 metres above causes 1 bar pressure loss at the branch.
(1 metre above = - 0.1 bar, e.g. Pump tank water height to pump)
What is the general rule of thumb for calculating pressure loss on a 45mm hose?
1 bar per length
What is the genre rule of thumb for calculating pressure loss on a 70mm hose?
0.2 bar per length
How many LPM should a hydrant deliver and at what pressure?
2000 LPM at 1.7 bar
How many crew members are needed to pitch the 135 props to face?
Five
What is the height of the Mercedes S3?
10ft 2”
Or
3.1metres
How long are the hose reels on the Mercedes S3?
72 metres
What pump pressure is required to get 230 lpm at 6 bar branch pressure on the Mercedes S3 hose reels ?
40 bar at the pump
What does RTPP stand for?
Round the pump proportioner
What is at the other end of the guideline?
150mm loop for connecting the extending guideline snap hook
How far apart are the tabs on a guideline?
150mm (15cm)
What is the length of the 2 tabs on a BA guideline?
125mm long
50mm short
When both held in each hand, short knotted is way out
At what intervals do the guideline tabs appear?
2.5 metres then 150mm apart tabs then another 2.5 metres and so on
Where do the A and B / branch tallies attach?
To the D section directly underneath the snap hook
not the D shackle
BA emergency team must provide a 2nd set for every how many wearers in the emergency team?
Every 2 emergency wearers must have a 2nd set
How should a BA set be placed inside the 2nd set bag?
BA set left side down with cylinder tap facing upwards.
tap should be laid towards the big pouch end
How many foam transfer tubes can be connected together?
4 tubes= 8 metre reach max
What is the only type of foam to be used on the Mercedes S3?
Auxquimia
What is the maximum amount of foam concentrate the RTPP can induce?
120 L/min
What percentage of foam concentrate to water must be used?
3 %
120 L/min of foam concentrate will produce how much finished foam?
2000 litres per minute at 3% induction
What should a guideline be tied to?
An immovable object
How many guidelines can be run from one ECP?
2 guidelines max but only 1 per entry route
How is a main guideline extended?
2nd bag is removed from number 2 and clipped onto the same Ba Set D ring of number 1 as 1st bag, new snap hook connected to previous bag 150mm loop, previous bag discontinued and guideline laying continues.
How should outbound and inbound BA teams cross over on a guideline?
Inbound team crouches down and holds guideline out so outbound can negotiate it as a tie off point, with multiple team members attached to the line the inbound team leader should gather all the karabiners together in one hand.
What are the 2 methods of searching off a guideline with your personal line?
Team leader extends to 6m and other team members remain connected to the team leader in a chain between leader and guideline.
2 is all members extended to 1.25m in a chain (4 max)
The Low pressure warning whistle on SDBA activates when how many minutes of air are left?
12 mins at consumption rate of 50 LPM
If a donor is unable to supply air during emergency exchange of air, what should happen?
Adopt entrapped procedure
At RTCs, what size should the inner and outer cordons be?
2 metres inner circle around the scene of operations minimum.
5 metres outer circle should be 5 metres around the inner circle.
At RTCs, what should only enter the 2 metre inner circle?
Personnel in PPE and equipment only.
At RTCs what should be in the 5 metre outer circle?
OIC and personnel holding area
At RTCS, can personnel cross a central reservation to deal with an incident on the opposite carriageway?
Never unless traffic has been stopped by police or Hato.
What is a Hato?
Highways agency transport officer
At RTCs what takes priority? Hi vis tabard or IC tabard?
Hi Vis tabard
At RTCs what lighting should be enabled on the appliance?
Appliance flood lighting
Blue warnings
Fend offs
Who gives the order for the police accident sign to be deployed?
IC but it should be used at all incidents where personnel are working on roadways.