PN822 Operational use of Aerial Appliances Flashcards Preview

Sub Officer Round 2019 > PN822 Operational use of Aerial Appliances > Flashcards

Flashcards in PN822 Operational use of Aerial Appliances Deck (18)
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Where would you find ALP320's?

G30 Wembley
G40 Hayes
H34 Wimbledon

Working Height: 32m
Jack Ground Pressures: up to 15t
22t Laden Weight


Where would you find ALP325's?

A33 Tottenham HP)
E22 Greenwich (HP)
E31 Forest Hill
F41 Dagenham (HP)

Working Height: 32m
Jack Ground Pressures: up to 15t
23t Laden Weight


Where would you find TL's?

A21 Paddington
A24 Soho
E35 Old Kent Road
H21 Clapham

Working Height: 32m
Jack Ground Pressures: up to 4.5t
15t Laden Weight


Incident commander should consider what when requesting height vehicles?

Incident commander (IC) to consider siting of all appliances, once in position they are difficult to move.


Who should ICs take advice from on whether the task is achievable?

ICs implement their plan on how aerials are to be used and should take advice from the aerial crews on whether the task is achievable.


Who should be appointed when crews are required to work within a building and an aerial is being used as a water tower?

Safety officers must always be appointed.


Where should Aerials not be positioned near?

Aerial/radio transmitters.


When working near high voltage power cables, aerial crews use what safe working distance rules?

• 10m operationally (no water),
• 20m training (drills),
• 30m water tower.


When using an aerial appliance as a water tower, what must be in place?

A dedicated supply pump must be provided to supply only the aerial appliance. The dedicated pumping appliance should be sited as close to the aerial and no more than one hose length away wherever possible.


Before water is discharged into or onto any building the IC must consider what?

• Water loading – aerials can supply up to 2.45 tons of water per minute.
• Water pressure and its effect on the fabric of the building, debris and personnel.
• Fire travel - application of water from an aerial may have the effect of pushing fire through the building and affect crews working elsewhere.
• Damage control and flooding.
• Water run-off.


Where must a jet from an aerial appliance never be directed?

Into a compartment where firefighters are working.

(but may be directed on other parts of the building depending on the location and the effects of large quantities of water on the fire, building and floors.)


Which height vehicles carry a stretcher?

ALPs and TLs carry a stretcher and frame to rescue casualties from height or where access is restricted.


All personnel in the cage of an aerial appliance must wear a safety harness and lanyard connected to an anchor point. True or false?


It is the responsibility of the cage operator to ensure all safety procedures are followed.


For the purposes of their immediate rescue, members of the public do not have to wear a safety harness. True or false?



When must Aerial appliances not be used for training or display purposes?

Aerial appliances must not be used for training or display purposes when a strong wind warning is in operation.


When the cage is detached from the TL it cannot be used for what?

• casualty stretcher rescue.
• flood lighting an area.
• camera facility.


Basic terminology:
• Elevation -
• Depression -
• Extension -
• Housing -
• Training -
• Plumbing (TL) -

Basic terminology:
• Elevation - to raise the ladder/booms through an arc.
• Depression - to lower the ladder/booms through an arc.
• Extension - to increase the length of the ladder/telescopic booms.
• Housing - to decrease the length of the ladder/telescopic booms.
• Training - to rotate the turntable to the left or right.
• Plumbing (TL) - to keep the centre line of the ladder in a vertical plane by eliminating any tilt to one side when the ladder is extended on a gradient or camber.


How many frontline aerial appliances are there in the Brigade?

4 TLs and 7 ALPs.