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1) CCCFPD > Ladders > Flashcards

Ladders Flashcards

1
Q

Use of ladders

A

quick rescue operations, immediate roof access, access to upper floors and emergency
egress for interior crews.

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2
Q

Ground ladders are the quickest method to gain roof access on…

A

1-3 story buildings for vertical ventilation.

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3
Q

“Ground Ladders are…”

A

“…an avenue for work”

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4
Q

7 Ladder Rules

A
  1. Always look up and ahead to clear overhead obstructions.
  2. Do not move or remove a ladder that is already in place. If it is necessary to
    relocate the ladder, it must be properly communicated.
  3. Ensure the dogs are locked.
  4. Foot or secure the ladder whenever possible.
  5. Wear appropriate PPE.
  6. When not locked in, always keep one hand on the ladder.
  7. Throw one ladder; Throw two ladders.
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5
Q

A typical structure fire should have a minimum of…

A
  • One working set of ladders for roof operations
  • At least two egress ladders to each upper floor
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6
Q

There should be a working set of ladders

A

for each company

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7
Q

PROOFED

A

P - PPE
R - Removing a ladder is dangerous
O - One ladder, throw two ladders
O - One hand on the ladder
F - Foot the ladder whenever possible
E - Eyes up (clear overhead!)
D - Dogs locked

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8
Q

Our Ladders are made of what?

A

6061 T6 Alloy Aluminum.

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9
Q

Who is the Manufacturer of CCCFPD Ladders?

A

Duo Safety from Oshkosh Wisconsin

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10
Q

What style are the Beams?

A

Solid, C channel beam

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11
Q

What is the radius of the rungs?

A

1 1⁄4”

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12
Q

What are the Rung Plates made of and how many rivets do they have?

A

Made of aluminum and riveted on with four rivets

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13
Q

What is the size and rating of the Roof Hooks on the roof ladder?

A

3⁄4” steel roof hooks
1,000 lb load rating per hook (2,000 lb per pair)
Spring loaded, swiveling, and locking assembly.

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14
Q

What is the weight rating for extension, roof, and fresno Ladders?

A

750 pounds with a 4 to 1 safety factor (3,000 lbs).

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15
Q

What is the weight rating for attic ladders?

A

300 Pounds

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16
Q

Halyard Tensile Strength? What do red vs white halyards mean?

A

10,100 lb
White halyard - Engines
Red halyard - Trucks

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17
Q

Heat Sensors: What color? Where are they? What temp do they turn?

A

Orange sensors turn black when exposed to 300 degrees
- 4 per section
- Between the second and third rung below the tip
- In the center

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18
Q

What are the Dogs made of? What are the 3 components?

A

Graphite covered aluminum
Finger, hook, and spring.

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19
Q

NFPA 1901

A

Fire engines must carry a minimum of 38’ worth of ground ladders

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20
Q

NFPA 1904

A

Fire trucks must carry a minimum of 115’ worth of ground ladders

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21
Q

NFPA 1931

A

Standard for manufacturer’s design of fire department ground ladders

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22
Q

Roof Ladders Sizes

A

10’, 12’, 14’, 16’, and 20’

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23
Q

Rung to Rung for All Ladders

A

14 Inches

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24
Q

Ladders on a Type 1 Engine

A

14’ Roof Ladder, 10’ Attic Ladder, 24’ Extension Ladder

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25
Q

Ladders on a Type 3

A

16’ Extension Ladder

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26
Q

Ladders on a Truck

A

10’, 12’, (2) 16’, and 20’ Roof Ladders, (2) 24’ and (2) 35’ Extension Ladders, 10’ and 12’ Attic Ladder, and a 14’ Fresno Ladder

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27
Q

Extension Ladders Sizes

A

16’, 20’, 24’, 28’ and 35’

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28
Q

Ladders on a Rescue

A
  • (2) 14’ Roof Ladders
  • 24’ extension Ladder
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29
Q

How wide are roof ladders?

A

19 Inches

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30
Q

10’ Roofing Ladder Weight

A

22 Pounds

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31
Q

14’ Roofing Ladder Weight

A

28 lbs

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32
Q

16’ Roofing Ladder Weight

A

39 lbs

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33
Q

20’ Roofing Ladder Weight

A

48 lbs

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34
Q

10’ 12’ 14’ Roof Ladders Beam Width

A

2 3⁄4”

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35
Q

16’ 20’ Roof Ladders Beam Width

A

3 1⁄4”

36
Q

35’ Extension Ladder Weight

A

122 lbs

37
Q

24’ Extension Ladder Weight

A

72 lbs

38
Q

16’, 20’, & 24’ Extension Ladder Beam Width

A

2 3⁄4”

39
Q

35’ Extension Ladder Beam Width

A

3 1⁄4”

40
Q

Extension Ladder Sizes

A

16’, 20’, 24’, 28’ and 35’

41
Q

16’ Extension Ladder Weight

A

65 lbs

42
Q

20’ Extension Ladder Weight

A

80 lbs

43
Q

16’, 20’, 24’, 28’, 35’ Extension Ladder Bedded Lengths

A

7’ 2”, 8’ 4”, 14’, 16’, 20’

44
Q

16’ 20’ Extension Ladders # of Sections

A

3

45
Q

10’ Attic Ladders Closed Length

A

11’ 1⁄4”

46
Q

What is the width of an Attic Ladder? (Both Are the Same)

A

12”

47
Q

What are the weights for the 10 and 12 foot Attic Ladders?

A

10’ is 16 pounds
12’ is 20 pounds

48
Q

What kind of Rope is the Halyard?

A

STA-SET New England Rope, 1⁄2” polyester braid on braid kernmantle rope.

49
Q

How are rungs made? How many knurls and what are they for?

A

Extrusion
Each rung 20 knurls
Knurls are made for grip and water run off

50
Q

How are rungs attached to the beams?

A

Rungs are welded on at the beams and expanded between the beams and rung plates.

51
Q

12’ Attic Ladder Closed Length

A

12’ and 10 3⁄4”

52
Q

What is the purpose of the Fresno Ladder?

A

It is ideal for interior operations, similar to an attic ladder.

53
Q

Attic ladder butts have ____ instead of spurs.

A

Safety shoes

54
Q

Describe attic ladder beam shape and attachment

A

Square rungs that are riveted on

55
Q

Where do the rungs of an attic ladder sit when they are collapsed?

A

Inside of the beams

56
Q

How many rungs above the roof for ventilation?

A

3-5, preferably 5

57
Q

Where to place a ladder for rescue on a balcony?

A

Conscious - 3 rungs above the balcony
Unconscious - Centered on the top rail of the balcony

Both at 65 degrees

58
Q

Where to place a ladder for rescue out of a window?

A

Centered just below the sill at 65 degrees.

59
Q

What is a working set of ladders for ventilation?

A

A primary and a secondary

60
Q

Where is the primary ladder placed for ventilation?

A

Away from the fire to progress from “unburned to burned” area

61
Q

Where is the secondary ladder placed for ventilation?

A

Near where the vent hole is being cut

62
Q

How to signal to ground crews where to put a ladder?

A

Place a flashlight or drop a rope bag

63
Q

Where should the first egress ladder go for a structure fire?

A

Nearest to the fire

64
Q

Where should a ladder go to a balcony when there is no suspicion of rescue? (or for a conscious rescue)

A

No more than 3 rungs above the railing to assist with visualization

65
Q

What is the minimum amount of ladders for a structure fire?

A

Working set on the roof (a primary and a secondary), and 2 for every floor

66
Q

What will I always carry when going up a ladder?

A

A rope bag

67
Q

Bedded lengths
Number of rungs

A
68
Q

What is the bedded length of a 16’ extension ladder?

A

7’2”

69
Q

What is the bedded length of a 20’ extension ladder?

A

8’4”

70
Q

What is the bedded length of a 24’ extension ladder?

A

14’

71
Q

What is the bedded length of a 35’ extension ladder?

A

20’

72
Q

How many rungs are on a 16’ extension ladder?

A

18 rungs

73
Q

How many rungs are on a 20’ extension ladder?

A

21 rungs

74
Q

How many rungs are on a 24’ extension ladder?

A

24 rungs

75
Q

How many rungs are on a 35’ extension ladder?

A

34 rungs

76
Q

How many roof ladder types are there?

A

5 - 10’, 12’, 14’, 16’, & 20’
(jumps by 2’s then big jump)

77
Q

How many extension ladder types are there?

A

5 - 16’, 20’, 24’, 28’ & 35’
(jumps by 4’s then big jump)

78
Q

What is the bedded length of a 28’ extension ladder?

A

16’

79
Q

How many rungs are on a 10’ ladder?

A

8

80
Q

How many rungs are on a 12’ roof ladder?

A

9

81
Q

How many rungs are on a 14’ roof ladder?

A

11

82
Q

How many rungs are on a 16’ roof ladder?

A

13

83
Q

How many rungs are on a 20’ roof ladder?

A

16

84
Q

Between what rungs are the 35’ ladder low shoulder carried?

A

2 and 3

85
Q

How is a 14’ and 24’ ladder stored on a KME?

A

The 5th rung (the one that is next to my face when carrying) butts up against the farthest back rack

1) CCCFPD (34 decks)

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