Fall Protection
The height at which Hensel Phelps requires fall protection.
6'
True or False: the cross brace on a scaffold can be used as a top and bottom rail.
False. One or the other.
A test that is used to determine the workability of as well as the consistency of fresh concrete.
Slump test
True or False: You can rig using a nylon strap when it has a knot in it.
False.
Hearing protection is considered what form of control?
PPE
What style of connecting device should be used while operating an aerial lift.
restraint lanyard
Supporting
Mobile
Suspended
Admixture that speeds up the normal setting and hardening of concrete.
Accelerator
True or False: When using a shackle, it is best to lift pin side up.
True.
"Laser in Use" Signage is considered what form of Control
Administrative
What should be able to support 2x the intended load and must be labeled with a sign.
Hole covers
Unless a scaffold board is cleated or restrained, how much must the scaffold board extend over its support.
6"
An admixture to facilitate the development of a system of microscopic air bubbles within concrete during mixing.
Air-entraining agent
How often must rigging inspections be documented?
Monthly.
Designing rebar dowels to be curved at the top rather than straight is an example of what control?
Elimination
On a guard rail system, the top rail, mid rail, and toe board must be able to withstand how many pounds of force each.
Top rail 200 lbs
Mid rail 150 lbs
Toe board 50 lbs
This Component of a Tube and Coupler Scaffold prevents the System from twisting (Racking)
Squaring Brace (Scaffold Gooser)
An admixture that delays the initial setting of concrete.
Retarder
Best practice, when rigging with more than one hook, should the hook openings be facing in or out?
Out.
A Temporary Wooden Guardrail is considered what form of Control
Engineering Controls (Isolate Workers from Hazard)
When using a shock absorbing lanyard, maintain at least ______ feet of free fall distance.
18.5 feet
When your scaffold platform is more than ______ Inches above the point of access, a step or ladder is required for Access.
24 Inches / 2 Feet
Admixtures that can temporarily make concrete flowable and easy to place.
Superplasticizers or High Range Water Reducer
What are the three basic types of rigging hitches?
Vertical
Choker
Basket
Name all 5 controls in order from most effective to least effective.
Elimination, Substitution, Engineering, Administrative, and PPE