Ladders

Question 1

What are the dimensions of the 9m ladder?

Answer 1

Ext length 9m
Closed length 5.3m
Weight 56k
550mm width
Depth 185mm

Question 2

Where is the 9m ladder mounted?

Answer 2

On a beam gantry on the roof of the appliance

Question 3

What is the AAD and what is it for?

Answer 3

Automatic Arrester Device (found on 9m and 13.5m ladders)

The AAD will operate when the extending line has been released and the extended portion of the ladder is about to fall uncontrollably.

Question 4

What are the double action automatic pawls?

Answer 4

Found on the 9m and 13.5m ladders. They lock the ladder into position to keep the required height

Question 5

What are the dimensions of the 13.5m ladder?

Answer 5

102 - 113kg
6m closed length
Width 800mm
Depth 320mm

Question 6

What are the dimensions of the triple extension ladder?

Answer 6

Weight 24.6k
6m extended length 
2.4m closed length
410mm width
162mm depth

Question 7

What are the dimensions of the roof ladder? (JCDD 31)

Answer 7

Weight 16kg 
5.4m extended length 
3.2m folded length
327mm width
360mm depth

Question 8

Ladders are carried on all appliances to enable fire crews to gain access to buildings and structures during an incident. What are other uses for ladders?

Answer 8

Step ladder
Replacing collapsed staircases
A stretcher
Construction of a dam

Question 9

Terminology - extend

Answer 9

To raise an extending section

Question 10

Terminology - extend to lower

Answer 10

To clear the pawls

Question 11

Terminology- heel in / heel out

Answer 11

Move the heel of the ladder in a controlled fashion into or away from the building

Question 12

Terminology - house

Answer 12

To retract an extending section / to reduce the overall length of a ladder

Question 13

Terminology - pitch

Answer 13

To erect a ladder against a building

Question 14

Terminology - slip

Answer 14

To remove a ladder from an appliance

Question 15

What JCDD regulations does the 13.5m ladder comply with?

Answer 15

JCDD 12

Question 16

What JCDD regulations does the 9m ladder comply with?

Answer 16

JCDD 37

Question 17

What JCDD regulation does the triple extension ladder comply with?

Answer 17

JCDD 32

Question 18

What JCDD regulation does the roof ladder comply with?

Answer 18

JCDD 31

Question 19

What is the correct term for the extending line of a ladder?

Answer 19

Halyard

Question 20

On the 9 & 13.5m ladders, what locks the ladder in position to maintain the required height?

Answer 20

Double action automatic pawls

Question 21

What is the correct sequence of orders when making up the 13.5m ladder with a straight pitch?

Answer 21

Head out
Extend to lower
Well lower
Well pawls

Question 22

When pitching a ladder what distance must the heel of the ladder be from the building?

Answer 22

1/3 of the working height

Question 23

How many parts does a roof ladder consist of?

Answer 23

2

Question 24

What is used on the 13.5m ladder to keep it vertical?

Answer 24

Plumbing jack

Question 25

What are the fundamentals when pitching a ladder?

Answer 25

Head should be 3-5 rounds above the window sill
Heel 1/3 of the working height away from the building
Reasonably straight with the heel/feet secure
Should be pitched all the way either left or right if the sill

Question 26

What material are ladders made from?

Answer 26

Aluminium alloy