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Flashcards in Chapter 12 Deck (107)
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1

Ground Ladders are carried on...

All pumpers and aerial ladders

2

How many FFs does it take to carry and raise into position?

1-6

3

Besides access to upper stories and roofs, what else can ground ladders be used to reach?

storm drains, confined spaces, and pits

4

Design, construction, and testing specifications for fire service ground ladders are contained in which NFPA?

1931

5

NFPA 1931 require folding ladders to be able to support how many lbs?

300

6

NFPA 1931 requires that single, roof, combination, and extension ladders must be able to support how many lbs?

750

7

Standard on use, maintenance, and service testing our contained in which NFPA?

1932

8

What is a beam?

main structural member supporting the rungs and rung blocks

9

What is the bed section?

lowest and widest section of an extension ladder maintaining constant contact with the ground

10

What is the butt?

bottom end of ladder placed on the ground

11

What are the butt spurs?

metal plates/spikes, or cleats attached to the butt end of ground ladder beams

12

What is the fly section?

upper section of extension

13

What are the foot pads?

swivel plates attached to the butt of the ladder

14

What are the guides?

wood, metal strips, slots, or channels guiding the fly section while being raised

15

What is a halyard?

rope or cable used for hoisting and lowering the fly sections of an extension ladder

16

What is the purpose of the heat sensor label?

helps indicate that the ladder has been exposed to a sufficient degree of heat

17

What are the hooks?

curved devices near the top end of roof ladders securing the ladder to the roof

18

What are the pawls? (dogs)

used to hold the fly section in place after it has been extended

19

What are the protection plates?

strips of metal attached at chaffing points of the ladder

20

What is the pulley?

grooved wheel through which the halyard is drawn on

21

What are the rails?

two lengthwise members of a trussed ladder

22

What are the rungs?

cross members that provide the foothold

23

What are the stops?

wooden or metal pieces preventing the fly section from being extended too far

24

What are the tie rods?

metal rods located beneath the rungs on a wood ladder

25

What is the tip?

very top of the ladder

26

What is the truss block?

spacers between the rails of a trussed ladder

27

What are fire service ground ladders made of?

metal, wood, or fiberglass

28

Which is the most common used ladder in the fire service?

Metal ladders

29

What is the oldest material used for fire service ground ladders?

wood

30

What are 3 advantages of metal ladders?

1. Easy to repair
2. Cheaper
3. Available in many sizes, styles, and types