Ropes, Knots, Harnesses

Question 1

What are the DIV B GP Rope lengths?

Answer 1

10, 20, 30m

Question 2

How are GP rope lengths identified?

Answer 2

1x electrical tape wrap per 10m

Question 3

Define CAMSUE

Answer 3

Chemicals
Abrasions
Mechanical Damage
Shock Load
Ultraviolet Light
Extreme Heat

Question 4

What is GP rope sensitive to?

Answer 4

Caustic Soda
Concentrated Ammonia
Concentrated Sulphuric Acid

Question 5

What is GP rope resistant to?

Answer 5

Organic Acids, Nitric Acid, Mildew Rot

Question 6

How do you clean GP rope?

Answer 6

Soaking and agitating in warm water, hang to dry out of direct sunlight and heat

Question 7

How do you externally inspect the GP rope?

Answer 7

Look for:
- excessive abrasion
- broken strands
- discolouration
- powdery filaments

Question 8

What are the main uses for GP rope?

Answer 8

Securing delivery hoses and equipment
Tying off ladders
Hauling hoses aloft
Hauling small gear

Question 9

What is the colour of GP rope?

Answer 9

White when new

Question 10

What is the GP rope diameter?

Answer 10

12mm

Question 11

What is the GP rope construction?

Answer 11

Three strand right hand lay

Question 12

What material is the GP rope?

Answer 12

Polyester

Question 13

What is the GP rope melting point?

Answer 13

250 degrees Celsius

Question 14

What is the GP rope minimum breaking strength?

Answer 14

2200kg when new

Question 15

What is the safe working load of the GP rope?

Answer 15

450kg

Question 16

What is the DIV A GP rope length?

Answer 16

30m

Question 17

List the types of GP rope knots

Answer 17

Half hitch
Clove hitch
Round turn two half hitches
Overhand
Rolling hitch
Double sheet bend
Bowline

Question 18

What is the acronym for knot protocol?

Answer 18

STRICT

Question 19

Define STRICT

Answer 19

Correct knot Select for task
Place Tension on knot
all knots Removed after use
all knots Inspected after tying
all knots Checked by another FF
no less than 150mm Tail in knot

Question 20

Define TRUSS

Answer 20

(Characteristics of a good knot)
Easy to tie
Easy to recognize
Easy to untie
Won’t slip
Won’t reduce strength

Question 21

What does LRL Kernmantle mean?

Answer 21

Kern – core
Mantle - sheath

Question 22

What material is the LRL core?

Answer 22

Twisted nylon strands

Question 23

What material is the LRL sheath?

Answer 23

Braided Polyester

Question 24

What are the LRL colours?

Answer 24

Orange with blue fleck 50m
Blue with orange fleck 25m

Question 25

Does the LRL elongate?

Answer 25

Yes, designed to absorb a shock load.

Question 26

What is the LRL elongation?

Answer 26

2-4%

Question 27

What is the LRL diameter?

Answer 27

13mm

Question 28

What is the LRL melting point?

Answer 28

220 degrees Celsius

Question 29

What is the DIV A LRL Working Load Limit?

Answer 29

272kg, 15:1 safety factor

Question 30

What is the DIV B LRL Working Load Limit?

Answer 30

410kg, 10:1 safety factor

Question 31

List the types of LRL knots

Answer 31

Fig 8 stopper
Fig 8 on the bight
Fib 8 on the bight follow through
Double fisherman
Alpine Butterfly knot

Question 32

List the harness attachment points

Answer 32

Dorsal (fall arrest)
Sternal (fall arrest)
Ventral (fall prevention)
Waist side (fall prevention – always in pairs)

Question 33

What is the maximum life of a harness?

Answer 33

10 years from date of manufacture

Question 34

What do we look for when inspecting karabiners?

Answer 34

• Gate hinge opens freely
• Free from sharp edges and rust.
• Checking for deformities and excessive wear.

Question 35

Name the parts of a karabiner

Answer 35

• Wells
• Major axis / spine
• Gate
• Hinge
• Locking sleeve

Question 36

How do you internally inspect the GP rope?

Answer 36

Separate the strands in 30cm sections and look for:
- broken fibres
- fine powder
- discolouration