16 Questions
What is the main purpose of the hydrant kit bag in Toronto Fire Services?
To make securing a water supply more efficient
In a forward lay, what occurs after the apparatus stops at the hydrant location?
The firefighter exits the apparatus and retrieves the hydrant kit bag
What is a disadvantage of the forward lay method?
Friction loss becomes an issue in the supply line as flow rates increase
What is the size of the gate valves in the hydrant kit bag?
65mm
Where is the hydrant kit bag typically stored on the apparatus?
Captain's side rear compartment
What is used to connect the 100mm hose to the hydrant?
Hydrant wrench
What is the primary purpose of the J-Wrap method in securing the hose to the hydrant?
To secure the hose against the barrel of the hydrant
What is the benefit of using the reverse lay method?
It frees up personnel for initial fire attack and decreases friction loss
What is the primary scenario where a split hose lay is commonly used?
On dead end streets or industrial complexes with private water supply
What is the signal given to the apparatus driver to indicate that the hose is laid out?
A gesture forward with hand signals
What is the purpose of the firefighter following behind the apparatus in a split hose lay?
To ensure the hose is playing off the rear and attempting to keep it out of the way for subsequent arriving apparatus
What happens to the apparatus after the firefighter at the hydrant begins connecting to the hydrant and charging the supply line?
It proceeds to the fire scene
What is the benefit of using a reverse lay in terms of connecting multiple supply lines?
It makes it easier to connect multiple supply lines
What is the distance the hose is laid out in front of the hydrant?
3 metres (10 feet)
What is the purpose of the firefighter moving the supply hose after the line is charged?
To allow subsequent arriving apparatus to pass
How much supply hose is removed by the firefighter in a split hose lay?
15 metres (49 feet)
Study Notes
Hydrant Kit Bag
- The hydrant kit bag is stored in the right rear compartment of the apparatus.
- The kit bag contains:
- 2 x 65mm gate valves with 100mm Storz adapters
- 1 x hydrant wrench
- 2 x spanner wrenches
- 1 x dead blow hammer
Forward Lay
- In a forward hose lay, hose is deployed from the water source to the incident.
- The firefighter connects to the hydrant while the apparatus proceeds to the fire.
- Disadvantages of forward lay:
- Friction loss becomes an issue in the supply line as flow rates increase.
- Steps for forward lay:
- Apparatus stops at the hydrant, firefighter exits, and retrieves the hydrant kit bag.
- Firefighter lays the hose down and folds it back onto itself, making a bight.
- The hose is secured against the barrel of the hydrant with the toe of the firefighter's boot.
- Signal is given to the apparatus driver to 'LAY HOSE'.
Reverse Lay
- In a reverse hose lay, hose is deployed from the incident scene to the water source.
- Advantages of reverse lay:
- Decreases friction loss from the hydrant to the apparatus.
- Easier to connect multiple supply lines from the hydrant to the apparatus intakes.
- Steps for reverse lay:
- Firefighters remove tools and equipment from the apparatus before it proceeds to the water source.
- Pump operator begins supplying attack lines, then secures their own water source.
Split Lay
- In a split hose lay, supply hose is dropped by an apparatus and connected to by another apparatus.
- Commonly used in:
- Dead-end streets
- Industrial/commercial complexes with private water supply
- Long access roads/driveways
- Steps for split lay:
- Apparatus stops at a designated location, firefighter exits, and removes 15m of 100mm supply hose.
- Second arriving apparatus arrives, firefighters exit, and connect to the dropped supply hose.
- Firefighter connects the 100mm hose from their apparatus to the dropped supply line.
- Pump operator secures the water source and coordinates relay pump operations.
This quiz covers the techniques and equipment used by Toronto Fire Services to obtain water from a hydrant, including the hydrant kit bag and its components.
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