Training Manual Article 5 - Ladders Flashcards Preview

Lt. Study Material > Training Manual Article 5 - Ladders > Flashcards

Flashcards in Training Manual Article 5 - Ladders Deck (28):
0

What are the lengths of a roof ladder?
What are the lengths of a straight ladder?

Roof - 14', 16' 20'
Straight - 16' & 20'

1

Rest position vs Park position

Rest - when the ladder is laid flat on the ground with the rungs in a horizontal position
Park - ladder is on the ground on one beam with rungs vertical-used in preparing to lift in the 20' range.

2

What is the rung side

The main beam side to which the rungs are attached. The rung side of wood ladders is also the carrying and climbing side.

3

Rung Data

12" apart
Swelled center tapered rungs
Solid hickory

4

Types of materials for wood ladder

Being tapered truss construction
Trusses - made of old growth, continuous grain Douglas Fir
Rungs - made of hickory
Cross beams, slide guides and wear parts are made of Red Oak

5

What are the types of ladder construction

Solid beam as in 'I" beam or channel beam construction or
Trussed (some aluminum and Tapered Truss (wood)

6

What is the NFPA guideline for ground ladders

NFPA 1931, Standard Design of Fire Dept Ground Ladders

7

Fly section differences with aluminum and wood ladders

Aluminum fly out or away from the objective
Wood ladders are climbed with the fly section in

8

What are the general uses for ladders

Bridging
Rescue
Salvage
Fire Stream Operations
Ventilation
First Aid
Forcible Entry

9

What shall be done prior to movement of a ladder

Members shall look up and assure the tip is clear of obstructions

10

How are member referred to when carrying a ladder

Butt member
Tip member
Center member

11

How are the members referred to when raising a ladder

Rear member
Front member (right and left)

12

Where are ladders spotted

When raised, the top of the ladder will be on the left side of a opening with the tip just below the sill.
For ventilaion, the tip is even with the top of the window on either side.

13

What is the proper angle for climbing

Approx 70 degrees

14

When climbing a ladder what are the function of legs and arms

Legs carry the weight
Arms maintain balance

15

Name the raising methods and what is the basic method

Flat
Beam
Shooting
Flat is basic

16

Who is responsible for the safety of lowering a ladder

With more than one member - the butt member

17

Who foots the ladder

The bed side member.

18

What are the fashions of storing a ladder

Side mounted
Mounted on a hydraulically operated ladder rack
Slide out ladder bay

19

When moving a 30' ladder where do the members stand

two on the bed side and one on the fly side

20

Straight ladders are carried on what side

The rung side

21

How long are the two sections of the combination ladder

Two seven foot sections

22

How are the 24' ext ladders carried

Beam carried

23

When raising a ladder via beam raise is the fly section toward or away from the object

For wood ladders it is toward, for aluminum it is away

24

How are the 30' range ladders carried

Shoulder carried

25

What is the minimum members for shooting each ladder length

Straight = 2
24 ext = 2 or 3
35 = 4

26

When shifting a ladder is the fly bedded or not

Fly must be bedded to shift the ladder

27

When refinishing scratches or scrapes, do you use varnish directly from the can

No - thin 1 part mineral spirits, 4 parts varnish and let dry 24 hours
Next can be applied directly from the can.