BOOK 29 Truck Operations Manual- ROPE SYSTEMS

Question 1

Main line rope, feet, and color?

Answer 1

300 ft of 1/2” static kernmantle, white with red or blue strip running through it

Question 2

In the lifeline construction, what is the outer layer and what is the inner layer?

Answer 2

Tightly woven sheath ( mantle ) - outer layer

Braided core (kern) - inner layer

Question 3

The high strength core (Kern) can carry up to ___% of the load with the cover (Mantle) designed primarily for protection against abrasion.

Answer 3

90%

Question 4

This rope is rated at ______ pounds and weighs ___ pounds per –100 feet,

Answer 4

10,000lbs

7 lbs per 100”

Question 5

What is the working load of the lifeline?

Answer 5

666 lbs

Question 6

The best way to remove dirt particles from a rope is to place the rope in a mesh bag or a pillowcase, place in a washing machine on gentle cycle and wash in cold water. Use a mild chemical free soap such as ________ , _________, or ________ , in the wash cycle.

Answer 6

Lifeline cleaner
Ivory snow
Woolite

Question 7

Melting point for the km-III static kernmantle rope?

Answer 7

450 degrees

Question 8

When marking the ropes only used approved markers such as

Answer 8

Carter marks a lot
Stanford sharpie
Bonney-smith magic marker

Question 9

Log the rope as soon as you receive it, log all training, emergency incidents and monthly checks on form ____.

Answer 9

F- 975

Question 10

Rating of webbing?

Answer 10

4000 lbs

Question 11

Colors and length of webbing?

Answer 11

Blue- 5 ft
Yellow- 12 ft
Red- 20 ft

Question 12

Size and rating of accessory cord used to make LRH?

Answer 12

8mm

3,630 lbs

Question 13

What are the D shaped carabiners rated to?

Answer 13

9000 lbs

Question 14

The brake bar rack comes with six aluminum bars attached to it. The welded eye, on one end, is used for attachment and is rated at ______ lbs.

Answer 14

10,000 lbs

Question 15

Minimum number of bars while using the break bar rack?

Answer 15

3

Question 16

For a single person load (rappel or lower), start with ____ bars when using the break bar rack.

Answer 16

4

Question 17

For a two-person loads, start with ____ bars when using the break bar rack.

Answer 17

5

Question 18

Rappelling or lowering operations over ___ feet a brake bar rack should be used, due to the twisting of the rope.

Answer 18

75 ft

Question 19

What 2 types of pulleys are used in the LAFD?

Answer 19

1. 2 1/2” aluminum prusik minding

2. 4” stainless steel

Question 20

Proper tightening order for class III full body harness?

Answer 20

1. Waist straps
2. Leg straps
3. Chest straps

Question 21

8mm accessory cord used for the LRH is what length?

Answer 21

20 ft

Question 22

Pickets: Various patterns and configurations. Pickets should be three foot in length, one inch round steel stock preferred. The pickets should be pounded ___ feet into the ground, at a ___ degree angle, away from the object.

Answer 22

2 ft

15 degree angle

Question 23

Picket system lbs ratings?

Single:
1-1:
1-1-1: 
2-1:
3-2-1:

Answer 23

Single: 700lbs

1-1: 1,400lbs

1-1-1: 1,800lbs

2-1: 2,000lbs

3-2-1: 4,000lbs

Question 24

PROCEDURES FOR PASSING A KNOT IN THE LOWERING SYSTEM MAIN LINE. Step 1. Pass the main line through the brake bar rack until the knot is about ___ inches from the bottom of the brake bar rack.

Answer 24

6”

Question 25

PROCEDURES FOR PASSING A KNOT IN THE BELAY LINE SYSTEM. First step is to Pass the belay line through the tandem prusik belay until the knot is about ___ to ___ inches from the tandem prusiks.

Answer 25

6 to 10”

Question 26

Minimum number of members needed for a 2 line belay system?

Answer 26

4

One Rescuer
One Belay / Safety Line Tender
One Main Line Tender
One Safety Member, Checks Complete System (Technical Safety Officer.)

Question 27

Main line always goes high or low onto rescuers harness?

Answer 27

Low

Question 28

When rappelling, start with ___ bars in the break bar rack.

Answer 28

4

Question 29

Never get closer than ___ feet to the edge without being tied-off.

Answer 29

5 ft.