101b Flashcards by Kesar Deol

Q

At how high up do you need fall protection

A

3m off the ground

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Q

What % of injuries were musculoskeletal?

A

64%

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Q

What % we’re back injuries

A

37%

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Q

Common type of ladders

A

Step ladder
Extension ladder
Platform ladder

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Q

Ladder safety ratio

A

4:1

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Q

Type 1A ladder

A

Extra Heavy Duty

Industrial construction
300lbs

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Q

Type 1 ladder

A

Heavy Duty
Building maintenance
250lbs

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Q

Type 2 ladder

A

Medium duty
Light commercial
225lbs

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Q

Type 3 ladder

A

Light duty
Household use
200lbs

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Q

4 different types of ladder

A

Fibreglass
Aluminum
Reinforced plastic
Wood

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Q

Wood ladder

A

Electrically non conductive when clean and dry

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Q

Aluminum ladder

A

Strong
Lightweight
Corrosion resistant

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Q

Fibreglass ladder

A

Electrically non conductive
Strong

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Q

Scaffold ratio

A

3:1

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Q

Scaffold tags
Green
Yellow
Red

A

Green- safe
Yellow- caution
Red- unsafe

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Q

Different types of rope

A

Fibre
Natural Fibre rope
Synthetic fibre rope

Q

Fibre rope used for

A

Guiding/securing equipment

Q

What’s the strongest natural fibre rope

A

Manila and hemp

Q

Most common type of synthetic fibre rope

A

Nylon
Polypropylene

Q

What’s the most common type of rope

A

Polypropylene

Q

Rope safety factor

A

5:1

Q

Knitted rope strength

A

50%reduction

Q

Bent rope strength

A

50% reduction

Q

Hitched rope strength

A

25% reduction

Q

Spliced rope strength

A

15% reduction

Q

Optimum to most danger in sling angles

A

90
60
45
30

Q

Safety factor for general rigging

A

5:1

Q

Safety factor for lifting and transporting

A

10:1