Ladders, Scaffolds And Lifts (110101d) Flashcards
What is accountable for 25 percent of loss time workplace claims?
Falls
Which step ladder may be used by 2 workers at the same time?
Double or twin step ladder
What is maximum capacity of extra heavy duty ladder?
300 pounds
Which type of material is best suited for working near electricity or overhead power lines?
Fiberglass
What is the most commonly used scaffold system?
Frame scaffold
What are three materials ladders are made of?
Wood, aluminum and fiberglass
What is the ratio for ladder positioning?
4 to 1
What are scaffolds described as?
Temporary elevated work platforms and supporting structures to support workers, equipment and materials
Most common frame widths for frame scaffolds?
3 feet and 5 feet
Most common frame heights?
5 feet and 6 foot 6
The height of a free standing or rolling scaffold should be not more than how many times it’s base?
3 times
An employer must ensure a scaffold can support how many times the load that may be imposed on it?
4 times
A scaffold must be anchored by one tie in for every ____ of a vertical interval?
4.6 meters
A scaffold must have one tie in for each ______ horizontal interval?
6.4 meter
A guardrail consists of which parts?
Guardrail post
Guardrail
Midrail
And in some situations a toe board
A guardrail horizontal top member must be no less than _____ nor more than ______ above the base of the guardrail?
920 mm 36 inch
1070 mm 42 inch
A toe board required by regulation is not less than _____ in height above the surface of work area?
140mm or 5.5 inch
The space between the bottom of the toe board and the surface of the work area is not more than _____ high?
6mm
An employer must ensure a toe board is installed when?
When it is possible for materials to fall more than 1.8 meters or 6 feet
An employer must ensure lumber plank is graded at what and at what size?
Scaffold grade
2 x 10
Scaffold planks minimum and maximum overhang?
Minimum 6 inch
Maximum 12 inch
An employer must ensure all light duty scaffold platform are not less than?
500 mm wide or 20 inch
An employer must ensure that all heavy duty scaffold platforms are not less than?
1 meter wide
The side rails of a portable extension ladder should extend how much beyond a platform or landing?
1 meter
What is the most widely used scaffold system?
Frame scaffold
Which part of the scaffold system must be matched to site conditions?
The base
Name two types of suspended scaffolds?
Work cage or bosuns chair
Swingstage
What are the five types of scaffolding systems used?
Frame
Free standing
Tube and clamp
Modular
Suspended
Portable ladders must be approved by?
Canadian standards association
CSA
or
American National Standards Institiute
ANSI
