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First Year Sheetmetal > Ladders, scaffolds and lifts (110101d) > Flashcards

Ladders, scaffolds and lifts (110101d) Flashcards

1
Q

what is the cause of 25% of lost workplace time claims?

A

Falls

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2
Q

What are the factors that determine the ladder that is chosen for the job?

A

working height
surface conditions
Task

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3
Q

what type of ladder can be used by two people at a time?

A

double or twin stepladders

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4
Q

What is the maximum capacity of an extra heavy-duty step ladder?

A

300lbs

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5
Q

what ladder does not conduct electricity?

A

wood when dry
fiberglass

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6
Q

how far must a extension ladder extend over the building top?

A

1 meter or 3’

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7
Q

what color should a wooden ladder be painted?

A

wooden ladders should never be painted, only protected with a transparent LaCour

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8
Q

WHAT IS THE MOST COMMUN SCAFFOLD?

A

Frame type

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9
Q

what are the types of suspended scaffolds?

A

Work cage
Swing gate

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10
Q

does a worker need certification and training to operate a lift?

A

yes to operate but not to help on the lift

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11
Q

rolling scaffolds have what rule in the case of the base to the Hight?

A

no more that 3 time the smallest base

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12
Q

how are material lifts powered?

A

hand crank
Compressed air
Co2

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13
Q

What are the 7 type of Ladders?

A

Stepstool
portable work stand
single ladder (most common)
Double or twin stepladder
Platform ladder
Single ladder
extension ladder

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14
Q

What should never be done on a ladder?

A

Overreaching
using the last rung or step
sitting on the top
standing on the top unless it is a stepladder or a platform….

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15
Q

what is the ladder ratio?

A

4:1

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16
Q

what is the max Hight of a free-standing or rolling scaffold?

A

no more that 3 times the base

17
Q

what is the load ratting for a scaffold that must be met?

A

4 times the imposed load

18
Q

how often should the scaffolding ties be in place for vertical intervals?

A

4.6meters

19
Q

how often for horizontal intervals should there be a tie in?

A

6.4meters

20
Q

what must a guard rail horizontal top have?

A

no less than 920mm and no more than 1070 above the base of the guardrail

21
Q

how far must a scaffold plank extend?

A

6’ but no more that 12’

22
Q

what is the minimum of light duty scaffold width?

A

500mm

23
Q

what is the minimum of a heavy-duty scaffold width?

A

1m

First Year Sheetmetal (20 decks)

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