Scaffold Basics
Administers workplace safety in the United States.
What is the Occupational Safety and Health Administration or OSHA?
OSHA Standard for guardrail height of top rail.
What is 38" - 45"?
The average weight used for one worker and their tools.
What is 250 pounds?
The maximum height of the first rung on a ladder.
What is 24"?
A type of welded frame that provides additional access to scaffold bays by making it easier to move from one scaffold bay to the next.
What is an open-end (or walk-thru) frame?
A person designated by the employer to supervise and direct scaffold erection and dismantling.
Who is a competent person?
The position on the structure to which the fall arrest devise or lanyard securely attaches.
What is an anchorage point?
A scaffold with a UDL rating of no more than 25 psf.
What is a light duty-scaffold?
An assembly made up of a series of treads and risers.
What is a stair tower?
The maximum that a surface can be out of level in order to use a mobile scaffold.
What is 3 degrees?
Someone with either experience, or a degree or certification related to scaffolding.
Who is a qualified person?
A length of nylon webbing, rope, or steel cable that connects to a D-ring on a body harness.
What is a lanyard?
The maximum length for a medium duty scaffold component.
What is 8'0"?
Used to attach ladders to the scaffolding.
What are ladder brackets?
These tube and clamp scaffold components help evenly distribute weight.
To erect a scaffolding you must have this.
What is proper training?
A structure places on a frame strong enough to withstand impact forces of potential falling objects.
What is a canopy?
The correct safety factor for all scaffold components.
What is 4:1?
Minimum width of a stair when it is in a stair tower.
What is 16"
A type of scaffold that has specialty connections based on the manufacturer.
What is system scaffolding?
A load that is distributed evenly over a given area
What is uniform distributed load(UDL)?
A mechanical lifting device for raising and lowering tools and equipment from a scaffold platform.
What is a Gin Wheel?
The calculated weight of all the scaffold components per lift.
What is the steel weight?
Keeping one hand and two feet or two hands and one foot on the laddder.
What is three-points of contact?
The max height to base ratio for a mobile scaffold per OSHA.
What is 4:1?