Ladders
According to OSHA, stepladders for industrial use may NOT exceed
20 feet
A scaffold is classified by _____.
the weight it's designed to support.
When moving rolling scaffolding, be sure _____.
to apply force as near to the base as possible to avoid tipping over the scaffolding
the top guard rail should be _____" above the scaffold floor
42"
a _____ is a elevated work platform.
scaffold
The 4-to-1 rule for using ladders refers to _____.
the distance between the base of the ladder and the supporting wall, in relation to the
working distance of the ladder
A heavy duty scaffold is designed to carry a maximum working load of ____.
75 pounds per square foot
Do NOT extend the leveling jacks on a rolling scaffold more than _____.
12 inches
discs or rectangles used to distribute the weight of a scaffold floor are _____.
Base plate
to level a scaffold on an uneven surface use _____.
leveling jacks.
When using a ladder, how many points of contact must be maintained at all times?
Three
When using an extension ladder, you must NOT stand above the _____.
fourth rung from the top
The maximum interval for horizontal runners on a pole scaffold is _____.
7 feet
Ladders are assigned a _____ based on the intended use and maximum load limit of the ladder.
Duty Rating
Part of the fall arrest system the _____ straps around your body and is connected to a life line
Harness
Straight ladders used in construction are generally made of wood or _____.
fiberglass
A critical factor to consider before erecting a scaffold is _____.
placement
The main hazards involved with the use of scaffolding are falls, electric shocks, and _____.
being struck by falling objects
the vertical uprights of the scaffold are connected and supported by _____.
Cross braces
a pin used to hold a plate or caster wheel onto a leg is called a _____.
hinge pin
Personal fall arrest systems include a _____.
Lifeline
A professional engineer must design pole scaffolding that is in excess of _____.
60 feet high
Guardrails and toe boards are needed when scaffolding is more than ____.
6 feet high
a _____ is the end section of a scaffold also known as a buck.
vertical upright
Some scaffolds have _____ or wheels attached to the scaffold legs.
casters