Step ladders must have these locked into place before climbing the ladder
What are Spreader Bars
Depth at which access and egress are required in an excavation
What is four (4) feet
Confined spaces are not designed for human occupany, have few ways in or out and has or has the potential to contain these
What is a hazardous atmospheric or other potential exposure
To prevent scaffold legs from sinking, these are placed under the feet of the scaffold
What are mud sillS
Verticle rebar that exposes employees to this hazard must be guarded
What is the hazard of impalement?
Extension ladders should be placed at an angle of 1:4 (H:V). This is an easy way to check the ladder angle
What is stand with toes at foot of ladder and stick arms straight out
Depth at which OSHA requires cave-in protection
What is five (5) feet/
The employee that is monitoring the confined space opening, activities and entrants is called this
What is an Attendant or Hole Watch
Once a solid foundation is established, all scaffold framing should be plumb, level and __________
What is Square
Masonry walls over ____ feet must be braced until permanent structural components are installed
What is eight (8)
A stair or a ladder is required whenever thwere is a break in elevation of _____ inches or more
What is 19
A slope of 1:1 (H:V) or 450 is acceptable for this soil type
What is Type B soil
2 out 3 fatalities in confined spaces occur when people attemt to do this
What is rescue someone from a confined space
OSHA requires fall protection from scaffolding that is ______ feet high
What is 10
Powered concrete trowels must be equipped with one of these to kill the motor if the handle gets away from the employee
What is a dead man switch
Open sides of temporary stairs that are 30" high or that have 4 or more risers must be equipped with these
What is stairrailing
This person must be on site anytime employees are working in an open excavation
Who is the Competent Person?
Typical contaminants detected by three (3) gas meters include oxygen, carbon monoxide and this type of gas
What is Flammable
OSHA identifies the capacity of scaffold platforms as Light, Medium and Heavy Duty. These platforms are rated for 25, 50 and _____ lbs. sq/ft
What is 75
This type of foot protection must be worn when standing in wet concrete whill pouring.
What are Rubber boots
Where a door swing open towards a stair landing, the landing width must be 20" plus this dimension
What is the width of the door
A water line has been marked that runs perpendicular to our trench excavation. We know the water pipe is 8" diameter pipe. You are using a probe to try to find the exact location of the water line. The tolerance zone is ___ inches
What is 44
Three types of rescue from confined spaces include self-rescue, entry rescue and this
What is non-entry rescue or Retrieval system
The end of a scaffold plank should not extend more than 12" past the frame support and not less than 6" unless the plank is _____________ to keep the plank from slipping off the frame
What is cleated or blocked
Masonry saws should be equipped with one of these to prevent material fragments from being shot across a job site
Mud flap or plywood