Ladders, Scaffolds and Lifts 110101d

Question 1

What is accountable for 25% of loss time workplace claims?

Answer 1

Falls

Question 2

Which stepladder may be used by two workers at the same time?

Answer 2

Double or Twin step ladder

Question 3

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

Answer 3

300lb

Question 4

What factors determine the ladder you choose for a job?

Answer 4

Type of project, Height you will be working at.

Question 5

Which type of material is best suited for working near electricity or overhead power lines?

Answer 5

Fiberglass

Question 6

The side rails of a portable extension ladder should extend at least

Answer 6

1 METRE above a platform, landing or parapet.

Question 7

What colour should a wood ladder be painted?

Answer 7

Are not to be painted, other than by being preserved with a transparent protective coating.

Question 8

What is the most widely used scaffold system?

Answer 8

Frame Scaffolds

Question 9

Which part of the scaffold system must be matched to site conditions?

Answer 9

The base

Question 10

Name two (2) types of suspended scaffolds.

Answer 10

-Work cage or Bosun’s chair

-Swingstage

Question 11

12, Most construction sites do not require licensed certified people to operate lifts.

Answer 11

False

Question 12

Name three (3) ways material lifts can be powered.

Answer 12

-Manually
-C02 Bottle
-Compressed Air

Question 13

An employer shall ensure that the height of a rolling scaffold is not more than _____ times the dimension of it’s smallest base.

Answer 13

3

Question 14

List five (5) factors to consider when choosing the correct scaffold for a job.

Answer 14

-Availability
-Cost
-Workforce Expertise
-Site parameters
-Expected loads, Terrains

Question 15

What is the ratio for ladder positioning?

Answer 15

4 to 1

1 metre for every 4 metres of length

Question 16

It is okay to stand above the second step from the top of a stepladder?

Answer 16

False.

Except ladder is equipped with a railed platform

Question 17

Always ensure that the front section of a stepladder is used in the open position is no steeper than a ratio of?

Answer 17

6-to-1

Question 18

______ are generally described as temporary elevated work platforms.

Answer 18

Scaffolds

Question 19

Five scaffolding systems typically used in industry are

Answer 19

-Frame scaffolds
-Free-standing or rolling
-Tube and coupler
-Modular system scaffold
-Suspended scaffold

Question 20

The most common frame widths are

Answer 20

3’ (0.914m) and 5’ (1.524m)

Question 21

The most common frame heights are

Answer 21

5’ (1.524m) 6’-6”’ (1.981m)

Question 22

_____ connects two frames and provides lateral support and rigidity.

Answer 22

Crossbracing

Question 23

_____ are called runners or ledgers

Answer 23

Horizontal tubes

Question 24

_____ also called braces, hold the scaffold plumb and square

Answer 24

Diagonal tubes

Question 25

Platforms supported by wire ropes are called?

Answer 25

Suspended Scaffold

Question 26

An employer must ensure that a scaffold is designed and constructed to support at least _____ times the load that may be imposed on it.

Answer 26

4

Question 27

A guardrail required by this regulation must have a horizontal top member that not less than _____ nor more than _____ above the base of the guardrail.

Answer 27

920 mm , 1070 mm

Question 28

A toe board required but regulation is not less than _____ in height above the surface of the work area

Answer 28

140 mm or 5.5 inches

Question 29

The space between the bottom of the toe board and the surface of the work area is not more than _____ high

Answer 29

6mm or 1/4 inch

Question 30

An employer must ensure that a solid sawn lumber scaffold plank is sized _____ lumber

Answer 30

51mm x 254mm / 2” x 10”

Question 31

An employer must ensure that a scaffold plank extends no less than _____ and not more than _____ beyond a ledger

Answer 31

150mm / 5.9” inches 300mm / 11.8” inches

Question 32

An employer must ensure that all light duty scaffold platforms are not less than _____ wide

Answer 32

500mm

Question 33

An employer must ensure that heavy duty scaffold platforms are not less than _____ wide

Answer 33

1 m