Flood And Water Awareness Flashcards
What is the standard PPE when working near to water for all crews? (Module 1)
Standard PPE
Life jacket (if working within 3m if the water)
Helmet (strap undone)
Eye protection if working in or around trees
What do the different coloured flexi-lights mean?
Red - team commander b&c, tech rescue, boat operator
Yellow - flood and rescue first responder, team commander type d
Green - equipment and throw lines
Blue - hazard marking
What terminology is used to describe river orientation
Upstream - direction the river is flowing from
Downstream - direction the rover is flowing to
River left - side of the channel when you’re looking down stream
River right - side of the channel when you’re looking down stream
What is laminar and helical flow?
Laminar - different levels of water speed (fastest in the centre just below the surface
Helical - found mainly in drainage channels with a uniform cross section. A corkscrew or spiral action of the water
What is a cushion wave?
Created by an object higher than the water surface on its upstream side
What is an eddy?
Circulating water found on the downstream side of an object in the water
what is are upstream and downstream v’s?
Upstream - created by an object in the water
Downstream - a funnel created between two objects in the water
What is the only acceptable knot to join two lines together when working in a water environment?
Overhand knot
Moving water tends to follow three common principles. What are they?
Relentless
Powerful
Predictable
When using the hose inflation kit, the air supply should should be routed through the airbag control unit and then to the inflation kit reducer. True or false?
True
As a firefighter what depth of water can you enter under brigade policies?
Up to fire boots
What does the acronym LAST stand for?
Locate,
Access,
Stabilise,
Transport
There are a variety of objects that will let water flow through them but will trap objects and people against them. what are they known as?
Strainers
What must you ensure when lifting a casualty out of water?
Lift them out horizontally to avoid shock
If a DRA dictates that you must wear a fire helmet at a water incident it must be worn with the strap undone. True or false?
If an object in flowing water does NOT have a cushion wave in front of it, what might this suggest?
It could be a siphon (i.e water flow flowing underneath the object)
What is the hierarchy of rescue when dealing with water rescue incidents?
Talk
Reach
Throw
Row
Go / Tow
Helo
What is the hand signal for distress?
One hand raised above the head
What is the hand signal for OK
One hand flat on the head (no tapping!)
What is the hand signal for medical help (or bring medical kit)
Both arms crossed in front of the chest
What is the hand signal for stop?
Arm outstretched in front chest showing palm.
What would a single whistle blast mean?
Stop or attention to the signaller
What would two whistle blasts mean?
Attention upstream
What would three whistle blasts mean?
Attention down stream
